refactor(desktop): organize lib modules by domain
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# SQL Semantic
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This directory owns the pure frontend SQL semantic layer used by editor completion, diagnostics, and navigation.
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- `tokens.ts`: span-preserving SQL tokenization and active statement detection.
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- `dialect.ts`: dialect adapters for identifier normalization, quoting, qualifier roles, and projection alias visibility.
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- `model.ts`: active-statement semantic model, row-source parsing, cursor intent, and confidence/fallback output.
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- `completion.ts`: compatibility adapter from semantic intent to the existing SQL completion item builder.
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- `references.ts`: shared row-source references for completion, diagnostics, and navigation.
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- `diagnostics.ts`: SQL semantic diagnostic helpers and viewport range selection.
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- `fixtures.ts` and `types.ts`: test fixtures and shared semantic types.
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The older `sqlCompletion.ts` and `sqlNavigation.ts` files remain at `lib/` for now because they are broad public editor utilities. Move them only with a separate behavior-preserving migration.
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import type { SqlCompletionColumn, SqlCompletionContext, SqlCompletionReferencedTable } from "@/lib/sql/sqlCompletion";
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import { SQL_SEMANTIC_DIALECTS } from "@/lib/sql/semantic/dialect";
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import type { SqlSemanticModel, SqlSemanticRowSource } from "@/lib/sql/semantic/types";
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export type SqlSemanticCompletionScopeKind = "keyword" | "table" | "schema" | "catalog" | "routine" | "columns" | "local";
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export interface SqlSemanticCompletionScope {
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kind: SqlSemanticCompletionScopeKind;
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prefix: string;
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qualifierParts: string[];
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targetSource?: SqlSemanticRowSource;
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useRemoteMetadata: boolean;
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fallbackReason?: string;
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}
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export function sqlSemanticReferencedTables(model: SqlSemanticModel): SqlCompletionReferencedTable[] {
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return model.rowSources
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.filter((source) => source.kind !== "unknown")
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.map((source) => ({
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name: source.name,
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schema: source.qualifierParts[source.qualifierParts.length - 1],
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alias: source.alias,
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columns: source.columns,
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}));
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}
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export function sqlSemanticLocalColumnsByTable(model: SqlSemanticModel): Map<string, SqlCompletionColumn[]> {
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const columnsByTable = new Map<string, SqlCompletionColumn[]>();
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for (const source of model.rowSources) {
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if (!source.columns?.length) continue;
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columnsByTable.set(
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source.name,
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source.columns.map((name) => ({
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name,
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table: source.name,
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schema: source.qualifierParts[source.qualifierParts.length - 1],
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})),
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);
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}
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return columnsByTable;
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}
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function activeProjectionAliasClause(model: SqlSemanticModel): "where" | "groupBy" | "having" | "orderBy" | null {
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const words = model.tokens.filter((token) => token.span.end <= model.cursor && token.kind === "word").map((token) => token.normalized);
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for (let index = words.length - 1; index >= 0; index -= 1) {
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const word = words[index];
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const previous = words[index - 1];
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if (word === "by" && previous === "order") return "orderBy";
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if (word === "by" && previous === "group") return "groupBy";
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if (word === "having") return "having";
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if (word === "where") return "where";
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if (word === "from" || word === "join" || word === "select") return null;
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}
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return null;
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}
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export function sqlSemanticProjectionAliasColumns(model: SqlSemanticModel): SqlCompletionColumn[] {
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const clause = activeProjectionAliasClause(model);
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if (!clause) return [];
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const adapter = SQL_SEMANTIC_DIALECTS[model.dialectId] ?? SQL_SEMANTIC_DIALECTS.generic;
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if (!adapter.projectionAliasVisibility[clause]) return [];
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return model.projections
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.filter((projection) => projection.name)
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.map((projection) => ({
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name: projection.name,
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table: "__projection__",
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comment: "Projection alias",
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}));
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}
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export function sqlSemanticCompletionScope(model: SqlSemanticModel): SqlSemanticCompletionScope {
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const intent = model.cursorIntent;
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const targetSource = intent.targetSourceId ? model.rowSources.find((source) => source.id === intent.targetSourceId) : undefined;
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switch (intent.kind) {
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case "table":
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case "delete_target":
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return {
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kind: "table",
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prefix: intent.prefix,
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qualifierParts: intent.qualifierParts,
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useRemoteMetadata: intent.confidence !== "low",
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fallbackReason: intent.fallbackReason,
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};
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case "schema":
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return {
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kind: "schema",
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prefix: intent.prefix,
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qualifierParts: intent.qualifierParts,
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useRemoteMetadata: intent.confidence !== "low",
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fallbackReason: intent.fallbackReason,
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};
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case "catalog":
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return {
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kind: "catalog",
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prefix: intent.prefix,
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qualifierParts: intent.qualifierParts,
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useRemoteMetadata: intent.confidence !== "low",
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fallbackReason: intent.fallbackReason,
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};
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case "routine":
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return {
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kind: "routine",
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prefix: intent.prefix,
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qualifierParts: intent.qualifierParts,
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useRemoteMetadata: intent.confidence !== "low",
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fallbackReason: intent.fallbackReason,
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};
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case "column":
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case "alias_column":
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case "insert_column":
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case "update_column":
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case "join_condition":
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case "star":
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return {
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kind: "columns",
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prefix: intent.prefix,
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qualifierParts: intent.qualifierParts,
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targetSource,
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useRemoteMetadata: intent.confidence !== "low" && (!!targetSource || model.rowSources.length > 0),
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fallbackReason: intent.fallbackReason,
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};
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case "suppressed":
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return {
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kind: "local",
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prefix: intent.prefix,
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qualifierParts: [],
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useRemoteMetadata: false,
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fallbackReason: intent.fallbackReason ?? "suppressed",
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};
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case "keyword":
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return {
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kind: "keyword",
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prefix: intent.prefix,
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qualifierParts: intent.qualifierParts,
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useRemoteMetadata: false,
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fallbackReason: intent.fallbackReason,
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};
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}
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}
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function semanticContextKind(model: SqlSemanticModel): SqlCompletionContext["contextKind"] {
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switch (model.cursorIntent.kind) {
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case "table":
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case "schema":
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case "catalog":
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case "delete_target":
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return "table";
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case "routine":
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return "routine";
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case "alias_column":
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return "alias_column";
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case "insert_column":
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case "update_column":
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case "column":
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case "star":
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return "column";
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case "join_condition":
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return "join";
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case "keyword":
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case "suppressed":
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return "keyword";
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}
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}
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function semanticMutationTarget(model: SqlSemanticModel): SqlSemanticRowSource | undefined {
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const targetId = model.cursorIntent.targetSourceId;
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return targetId ? model.rowSources.find((source) => source.id === targetId) : model.rowSources.find((source) => source.kind === "mutation_target");
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}
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export function sqlCompletionContextFromSemantic(model: SqlSemanticModel, base: SqlCompletionContext): SqlCompletionContext {
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if (model.cursorIntent.confidence === "low" || model.cursorIntent.kind === "suppressed") {
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return base;
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}
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const scope = sqlSemanticCompletionScope(model);
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const qualifier = model.cursorIntent.qualifierParts.length > 0 ? model.cursorIntent.qualifierParts.join(".") : undefined;
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const referencedTables = sqlSemanticReferencedTables(model);
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const mutationTarget = semanticMutationTarget(model);
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const mutationSchema = mutationTarget?.qualifierParts[mutationTarget.qualifierParts.length - 1];
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const suggestTables = scope.kind === "table" || scope.kind === "schema" || scope.kind === "catalog";
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const suggestColumns = scope.kind === "columns";
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const suggestRoutines = scope.kind === "routine";
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const projectionAliases = sqlSemanticProjectionAliasColumns(model).map((column) => column.name);
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return {
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...base,
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prefix: model.cursorIntent.prefix,
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qualifier,
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qualifierParts: model.cursorIntent.qualifierParts.length > 0 ? [...model.cursorIntent.qualifierParts] : undefined,
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suggestTables,
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suggestColumns,
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suggestKeywords: scope.kind === "keyword" || (!suggestTables && !suggestColumns && !suggestRoutines),
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suggestRoutines,
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suggestJoinConditions: model.cursorIntent.kind === "join_condition",
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exclusiveTableSuggestions: suggestTables,
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exclusiveColumnSuggestions: model.cursorIntent.kind === "alias_column" || model.cursorIntent.kind === "insert_column" || model.cursorIntent.kind === "update_column",
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exclusiveRoutineSuggestions: suggestRoutines,
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prioritizeSelectAliases: base.prioritizeSelectAliases || projectionAliases.length > 0,
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selectAliases: projectionAliases.length > 0 ? projectionAliases : base.selectAliases,
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referencedTables: referencedTables.length > 0 ? referencedTables : base.referencedTables,
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insertTable: model.cursorIntent.kind === "insert_column" ? mutationTarget?.name : base.insertTable,
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insertSchema: model.cursorIntent.kind === "insert_column" ? mutationSchema : base.insertSchema,
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updateTarget: model.cursorIntent.kind === "update_column" && mutationTarget ? { table: mutationTarget.name, schema: mutationSchema } : base.updateTarget,
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deleteTarget: model.cursorIntent.kind === "delete_target" && mutationTarget ? { table: mutationTarget.name, schema: mutationSchema } : base.deleteTarget,
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onStar: model.cursorIntent.kind === "star" || base.onStar,
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contextKind: semanticContextKind(model),
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};
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}
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@@ -0,0 +1,330 @@
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import type { SqlCompletionColumn, SqlCompletionTable } from "@/lib/sql/sqlCompletion";
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import { getSqlCompletionContext } from "@/lib/sql/sqlCompletion";
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import { executableStatementRanges, isOraclePlSqlStatement, type SqlTextRange } from "@/lib/sql/sqlStatementRanges";
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import type { DatabaseType, SqlColumnReference, SqlReferenceAnalysis, SqlReferenceScope, SqlTableReference, SqlTextSpan } from "@/types/database";
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export interface SqlSemanticDiagnostic {
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span: SqlTextSpan;
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message: string;
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severity: "error" | "warning";
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}
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export interface SqlSemanticDiagnosticSchema {
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tables: SqlCompletionTable[];
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columnsByTable: Map<string, SqlCompletionColumn[]>;
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missingTables?: Set<string>;
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loadedColumnTables?: Set<string>;
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sql?: string;
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}
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export interface SqlSemanticDiagnosticVisibleRange {
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from: number;
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to: number;
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}
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export function sqlSemanticDiagnosticRangesForViewport(sql: string, visibleRanges: readonly SqlSemanticDiagnosticVisibleRange[], databaseType?: DatabaseType): SqlTextRange[] {
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const statements = executableStatementRanges(sql, databaseType);
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if (statements.length === 0 || visibleRanges.length === 0) return [];
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const selected: SqlTextRange[] = [];
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const seen = new Set<string>();
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for (const statement of statements) {
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if (isOraclePlSqlStatement(statement.sql, databaseType)) continue;
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if (!visibleRanges.some((visibleRange) => rangesIntersect(statement, visibleRange))) continue;
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const key = `${statement.from}:${statement.to}`;
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if (seen.has(key)) continue;
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seen.add(key);
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selected.push({ from: statement.from, to: statement.to, sql: sql.slice(statement.from, statement.to) });
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}
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return selected;
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}
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export function buildSqlSemanticDiagnostics(analysis: SqlReferenceAnalysis, schema: SqlSemanticDiagnosticSchema): SqlSemanticDiagnostic[] {
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const diagnostics: SqlSemanticDiagnostic[] = [];
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const tables = analysis.tables.filter((table) => table.name.trim());
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const knownTables = new Map<string, SqlTableReference>();
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const scopesById = scopesByIdMap(analysis.scopes);
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for (const table of tables) {
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knownTables.set(normalizeName(table.name), table);
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if (table.alias) knownTables.set(normalizeName(table.alias), table);
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if (table.schema) knownTables.set(normalizeName(`${table.schema}.${table.name}`), table);
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}
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for (const table of tables) {
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if (!schema.missingTables?.has(tableReferenceKey(table))) continue;
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diagnostics.push({
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span: trimSqlTextSpanWhitespace(schema.sql, table.span),
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message: `Unknown table ${displayTableName(table)}`,
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severity: "error",
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});
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}
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for (const column of analysis.columns) {
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const table = resolveColumnTable(column, tables, knownTables, schema.sql, scopesById);
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if (!table) continue;
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if (schema.missingTables?.has(tableReferenceKey(table))) continue;
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const columns = columnsForTable(table, schema.columnsByTable, schema.loadedColumnTables);
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if (!columns) continue;
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const columnNames = new Set(columns.map((item) => normalizeName(item.name)));
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if (columnNames.has(normalizeName(column.name))) continue;
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const displayName = column.qualifier ? `${column.qualifier}.${column.name}` : column.name;
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diagnostics.push({
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span: trimSqlTextSpanWhitespace(schema.sql, column.span),
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message: `Unknown column ${displayName}`,
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severity: "error",
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});
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}
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return diagnostics;
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}
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function trimSqlTextSpanWhitespace(sql: string | undefined, span: SqlTextSpan): SqlTextSpan {
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if (!sql) return span;
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const range = sqlTextSpanToOffsetRange(sql, span);
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if (!range) return span;
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let from = range.from;
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let to = range.to;
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while (from < to && /\s/.test(sql[from] ?? "")) from += 1;
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while (to > from && /\s/.test(sql[to - 1] ?? "")) to -= 1;
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if (from === range.from && to === range.to) return span;
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const start = offsetToSqlTextStartPosition(sql, from);
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const end = offsetToSqlTextEndPosition(sql, to);
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if (!start || !end) return span;
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return {
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start_line: start.line,
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start_column: start.column,
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end_line: end.line,
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end_column: Math.max(end.column, start.column),
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};
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}
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function sqlTextSpanToOffsetRange(sql: string, span: SqlTextSpan): { from: number; to: number } | null {
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if (!span.start_line || !span.start_column) return null;
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const from = sqlTextPositionToOffset(sql, span.start_line, span.start_column - 1);
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const to = sqlTextPositionToOffset(sql, Math.max(span.end_line, span.start_line), Math.max(span.end_column, span.start_column));
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if (from == null || to == null || to <= from) return null;
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return { from, to };
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}
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function sqlTextPositionToOffset(sql: string, line: number, column: number): number | null {
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const lines = sql.split(/\r?\n/);
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if (line < 1 || line > lines.length) return null;
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let offset = 0;
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for (let index = 0; index < line - 1; index += 1) {
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offset += lines[index].length + 1;
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}
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return Math.min(offset + Math.max(column, 0), offset + lines[line - 1].length);
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}
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function offsetToSqlTextStartPosition(sql: string, offset: number): { line: number; column: number } | null {
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const position = offsetToLineColumn(sql, offset);
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return position ? { line: position.line, column: position.column + 1 } : null;
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}
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function offsetToSqlTextEndPosition(sql: string, offset: number): { line: number; column: number } | null {
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return offsetToLineColumn(sql, offset);
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}
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function offsetToLineColumn(sql: string, offset: number): { line: number; column: number } | null {
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if (offset < 0 || offset > sql.length) return null;
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const lines = sql.split(/\r?\n/);
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let remaining = offset;
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for (let index = 0; index < lines.length; index += 1) {
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const lineLength = lines[index].length;
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if (remaining <= lineLength) {
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return { line: index + 1, column: remaining };
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}
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remaining -= lineLength + 1;
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}
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const lastLine = lines[lines.length - 1] ?? "";
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return { line: lines.length, column: lastLine.length };
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}
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export function buildSqlParserErrorDiagnostic(error: unknown, sql: string): SqlSemanticDiagnostic | null {
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const message = errorMessage(error);
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const location = /\bat Line:\s*(\d+),\s*Column:\s*(\d+)\b/i.exec(message);
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if (!location) return null;
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const startLine = Number.parseInt(location[1], 10);
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const startColumn = Number.parseInt(location[2], 10);
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if (!Number.isFinite(startLine) || !Number.isFinite(startColumn) || startLine < 1 || startColumn < 1) return null;
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const lineText = sql.split(/\r?\n/)[startLine - 1] ?? "";
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const startIndex = Math.max(startColumn - 1, 0);
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const token = /^[\w$]+/.exec(lineText.slice(startIndex))?.[0];
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const tokenLength = Math.max(token?.length ?? 1, 1);
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return {
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span: {
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start_line: startLine,
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start_column: startColumn,
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end_line: startLine,
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end_column: startColumn + tokenLength - 1,
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},
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message,
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severity: "error",
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};
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}
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export function areSqlSemanticDiagnosticsEqual(left: readonly SqlSemanticDiagnostic[], right: readonly SqlSemanticDiagnostic[]): boolean {
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if (left.length !== right.length) return false;
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return left.every((item, index) => {
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const other = right[index];
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return !!other && item.message === other.message && item.severity === other.severity && item.span.start_line === other.span.start_line && item.span.start_column === other.span.start_column && item.span.end_line === other.span.end_line && item.span.end_column === other.span.end_column;
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});
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}
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export function shouldRunSqlSemanticDiagnostics(sql: string, cursor: number, options: { databaseType?: DatabaseType } = {}): boolean {
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if (options.databaseType === "mongodb" || options.databaseType === "elasticsearch" || options.databaseType === "qdrant" || options.databaseType === "milvus" || options.databaseType === "weaviate" || options.databaseType === "chromadb" || options.databaseType === "redis") return false;
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const context = getSqlCompletionContext(sql, cursor);
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if (context.exclusiveColumnSuggestions) return false;
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if (context.qualifier) return false;
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if ((context.suggestTables || context.exclusiveTableSuggestions) && isCursorAfterTableTrigger(sql, cursor)) return false;
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return true;
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}
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export function isSqlSemanticDiagnosticInputContext(sql: string, cursor: number, options: { databaseType?: DatabaseType } = {}): boolean {
|
||||
if (options.databaseType === "mongodb" || options.databaseType === "elasticsearch" || options.databaseType === "qdrant" || options.databaseType === "milvus" || options.databaseType === "weaviate" || options.databaseType === "chromadb" || options.databaseType === "redis") return false;
|
||||
const context = getSqlCompletionContext(sql, cursor);
|
||||
return context.exclusiveColumnSuggestions || !!context.qualifier || ((context.suggestTables || context.exclusiveTableSuggestions) && isCursorAfterTableTrigger(sql, cursor));
|
||||
}
|
||||
|
||||
function resolveColumnTable(column: SqlColumnReference, tables: SqlTableReference[], knownTables: Map<string, SqlTableReference>, sql?: string, scopesById?: Map<number, SqlReferenceScope>): SqlTableReference | null {
|
||||
const candidateTables = candidateTablesForColumn(tables, column, sql, scopesById);
|
||||
if (column.qualifier) {
|
||||
return tableLookupFor(candidateTables).get(normalizeName(column.qualifier)) ?? (sql ? null : (knownTables.get(normalizeName(column.qualifier)) ?? null));
|
||||
}
|
||||
if (candidateTables.length !== 1) return null;
|
||||
return candidateTables[0];
|
||||
}
|
||||
|
||||
function candidateTablesForColumn(tables: SqlTableReference[], column: SqlColumnReference, sql?: string, scopesById?: Map<number, SqlReferenceScope>): SqlTableReference[] {
|
||||
const scoped = tablesInVisibleScopes(tables, column, scopesById);
|
||||
if (scoped) return scoped;
|
||||
return sql ? tablesInSameStatement(tables, column, sql) : tables;
|
||||
}
|
||||
|
||||
function tablesInVisibleScopes(tables: SqlTableReference[], column: SqlColumnReference, scopesById?: Map<number, SqlReferenceScope>): SqlTableReference[] | null {
|
||||
if (column.scope_id == null || !scopesById || scopesById.size === 0) return null;
|
||||
if (!column.qualifier) {
|
||||
const currentScopeTables = tables.filter((table) => table.scope_id === column.scope_id);
|
||||
if (currentScopeTables.length > 0) return currentScopeTables;
|
||||
}
|
||||
const visibleScopeIds = scopeAndParents(column.scope_id, scopesById);
|
||||
if (visibleScopeIds.size === 0) return null;
|
||||
return tables.filter((table) => table.scope_id != null && visibleScopeIds.has(table.scope_id));
|
||||
}
|
||||
|
||||
function scopeAndParents(scopeId: number, scopesById: Map<number, SqlReferenceScope>): Set<number> {
|
||||
const ids = new Set<number>();
|
||||
let current: number | undefined = scopeId;
|
||||
while (current != null && !ids.has(current)) {
|
||||
ids.add(current);
|
||||
const scope = scopesById.get(current);
|
||||
current = scope?.parent_id ?? undefined;
|
||||
}
|
||||
return ids;
|
||||
}
|
||||
|
||||
function tableLookupFor(tables: SqlTableReference[]): Map<string, SqlTableReference> {
|
||||
const lookup = new Map<string, SqlTableReference>();
|
||||
for (const table of tables) {
|
||||
lookup.set(normalizeName(table.name), table);
|
||||
if (table.alias) lookup.set(normalizeName(table.alias), table);
|
||||
if (table.schema) lookup.set(normalizeName(`${table.schema}.${table.name}`), table);
|
||||
}
|
||||
return lookup;
|
||||
}
|
||||
|
||||
function tablesInSameStatement(tables: SqlTableReference[], column: SqlColumnReference, sql: string): SqlTableReference[] {
|
||||
const columnOffset = spanStartOffset(sql, column.span);
|
||||
if (columnOffset == null) return tables;
|
||||
return tables.filter((table) => {
|
||||
const tableOffset = spanStartOffset(sql, table.span);
|
||||
return tableOffset != null && statementIndexAt(sql, tableOffset) === statementIndexAt(sql, columnOffset);
|
||||
});
|
||||
}
|
||||
|
||||
function scopesByIdMap(scopes: readonly SqlReferenceScope[] | undefined): Map<number, SqlReferenceScope> {
|
||||
const map = new Map<number, SqlReferenceScope>();
|
||||
for (const scope of scopes ?? []) map.set(scope.id, scope);
|
||||
return map;
|
||||
}
|
||||
|
||||
function spanStartOffset(sql: string, span: SqlTextSpan): number | null {
|
||||
if (!span.start_line || !span.start_column) return null;
|
||||
const lines = sql.split(/\r?\n/);
|
||||
const lineIndex = span.start_line - 1;
|
||||
if (lineIndex < 0 || lineIndex >= lines.length) return null;
|
||||
let offset = 0;
|
||||
for (let index = 0; index < lineIndex; index++) offset += lines[index].length + 1;
|
||||
return Math.min(offset + span.start_column - 1, offset + lines[lineIndex].length);
|
||||
}
|
||||
|
||||
function statementIndexAt(sql: string, offset: number): number {
|
||||
let statementIndex = 0;
|
||||
for (let index = 0; index < Math.min(offset, sql.length); index++) {
|
||||
if (sql[index] === ";") statementIndex++;
|
||||
}
|
||||
return statementIndex;
|
||||
}
|
||||
|
||||
function columnsForTable(table: SqlTableReference, columnsByTable: Map<string, SqlCompletionColumn[]>, loadedColumnTables?: Set<string>): SqlCompletionColumn[] | null {
|
||||
const inlineColumns = (table as SqlTableReference & { columns?: string[] }).columns;
|
||||
if (inlineColumns && inlineColumns.length > 0) {
|
||||
return inlineColumns.map((name) => ({
|
||||
name,
|
||||
table: table.name,
|
||||
schema: table.schema ?? undefined,
|
||||
}));
|
||||
}
|
||||
const keys = table.schema ? [`${table.schema}.${table.name}`, table.name] : [table.name, ...keysWithTableName(columnsByTable, table.name)];
|
||||
for (const key of keys) {
|
||||
const normalizedKey = normalizeName(key);
|
||||
const columns = columnsByTable.get(key) ?? columnsByTable.get(normalizedKey);
|
||||
if (!columns) continue;
|
||||
if (columns.length > 0 || loadedColumnTables?.has(normalizedKey)) return columns;
|
||||
}
|
||||
if (loadedColumnTables?.has(tableReferenceKey(table))) return [];
|
||||
return null;
|
||||
}
|
||||
|
||||
function keysWithTableName(columnsByTable: Map<string, SqlCompletionColumn[]>, tableName: string): string[] {
|
||||
const suffix = `.${normalizeName(tableName)}`;
|
||||
return [...columnsByTable.keys()].filter((key) => normalizeName(key).endsWith(suffix));
|
||||
}
|
||||
|
||||
function rangesIntersect(left: SqlSemanticDiagnosticVisibleRange, right: SqlSemanticDiagnosticVisibleRange): boolean {
|
||||
return left.from < right.to && right.from < left.to;
|
||||
}
|
||||
|
||||
export function tableReferenceKey(table: Pick<SqlTableReference, "name" | "schema">): string {
|
||||
return normalizeName(table.schema ? `${table.schema}.${table.name}` : table.name);
|
||||
}
|
||||
|
||||
function displayTableName(table: SqlTableReference): string {
|
||||
return table.schema ? `${table.schema}.${table.name}` : table.name;
|
||||
}
|
||||
|
||||
function isCursorAfterTableTrigger(sql: string, cursor: number): boolean {
|
||||
const beforeCursor = sql.slice(0, cursor).trimEnd();
|
||||
return /\b(from|join|update|into|table)(?:\s+[\w$`"'[\].]*)?$/i.test(beforeCursor);
|
||||
}
|
||||
|
||||
function normalizeName(value: string): string {
|
||||
let normalized = value;
|
||||
while (normalized && `"'\`[]`.includes(normalized[0])) normalized = normalized.slice(1);
|
||||
while (normalized && `"'\`[]`.includes(normalized[normalized.length - 1])) normalized = normalized.slice(0, -1);
|
||||
return normalized.toLowerCase();
|
||||
}
|
||||
|
||||
function errorMessage(error: unknown): string {
|
||||
if (error instanceof Error) return error.message;
|
||||
return String(error);
|
||||
}
|
||||
@@ -0,0 +1,172 @@
|
||||
import type { DatabaseType } from "@/types/database";
|
||||
|
||||
export interface SqlSemanticProjectionAliasVisibility {
|
||||
where: boolean;
|
||||
groupBy: boolean;
|
||||
having: boolean;
|
||||
orderBy: boolean;
|
||||
}
|
||||
|
||||
export interface SqlSemanticDialectAdapter {
|
||||
id: string;
|
||||
identifierQuotes: Array<{ open: string; close: string }>;
|
||||
supportsAsForTableAlias: boolean;
|
||||
projectionAliasVisibility: SqlSemanticProjectionAliasVisibility;
|
||||
normalizeIdentifier(identifier: string, quoted?: boolean): string;
|
||||
quoteIdentifier(identifier: string): string;
|
||||
qualifierRole(parts: string[], context: "table" | "column" | "routine"): "catalog" | "schema" | "table" | "package" | "unknown";
|
||||
}
|
||||
|
||||
function quoteWith(identifier: string, quote: string): string {
|
||||
return `${quote}${identifier.replaceAll(quote, quote + quote)}${quote}`;
|
||||
}
|
||||
|
||||
function defaultNormalize(identifier: string): string {
|
||||
return identifier;
|
||||
}
|
||||
|
||||
function lowerUnquoted(identifier: string, quoted?: boolean): string {
|
||||
return quoted ? identifier : identifier.toLowerCase();
|
||||
}
|
||||
|
||||
function upperUnquoted(identifier: string, quoted?: boolean): string {
|
||||
return quoted ? identifier : identifier.toUpperCase();
|
||||
}
|
||||
|
||||
const defaultProjectionAliasVisibility: SqlSemanticProjectionAliasVisibility = {
|
||||
where: false,
|
||||
groupBy: false,
|
||||
having: false,
|
||||
orderBy: true,
|
||||
};
|
||||
|
||||
function roleForGenericQualifier(parts: string[], context: "table" | "column" | "routine"): "catalog" | "schema" | "table" | "package" | "unknown" {
|
||||
if (parts.length <= 0) return "unknown";
|
||||
if (context === "column") return parts.length >= 2 ? "table" : "table";
|
||||
if (context === "routine") return parts.length >= 2 ? "package" : "schema";
|
||||
if (parts.length >= 2) return "schema";
|
||||
return "schema";
|
||||
}
|
||||
|
||||
export const SQL_SEMANTIC_DIALECTS: Record<string, SqlSemanticDialectAdapter> = {
|
||||
generic: {
|
||||
id: "generic",
|
||||
identifierQuotes: [{ open: '"', close: '"' }],
|
||||
supportsAsForTableAlias: true,
|
||||
projectionAliasVisibility: defaultProjectionAliasVisibility,
|
||||
normalizeIdentifier: defaultNormalize,
|
||||
quoteIdentifier: (identifier) => quoteWith(identifier, '"'),
|
||||
qualifierRole: roleForGenericQualifier,
|
||||
},
|
||||
postgres: {
|
||||
id: "postgres",
|
||||
identifierQuotes: [{ open: '"', close: '"' }],
|
||||
supportsAsForTableAlias: true,
|
||||
projectionAliasVisibility: defaultProjectionAliasVisibility,
|
||||
normalizeIdentifier: lowerUnquoted,
|
||||
quoteIdentifier: (identifier) => quoteWith(identifier, '"'),
|
||||
qualifierRole: roleForGenericQualifier,
|
||||
},
|
||||
mysql: {
|
||||
id: "mysql",
|
||||
identifierQuotes: [
|
||||
{ open: "`", close: "`" },
|
||||
{ open: '"', close: '"' },
|
||||
],
|
||||
supportsAsForTableAlias: true,
|
||||
projectionAliasVisibility: { where: false, groupBy: true, having: true, orderBy: true },
|
||||
normalizeIdentifier: defaultNormalize,
|
||||
quoteIdentifier: (identifier) => quoteWith(identifier, "`"),
|
||||
qualifierRole(parts, context) {
|
||||
if (context === "column") return parts.length >= 2 ? "table" : "table";
|
||||
if (context === "routine") return parts.length >= 2 ? "package" : "schema";
|
||||
return parts.length >= 1 ? "schema" : "unknown";
|
||||
},
|
||||
},
|
||||
sqlserver: {
|
||||
id: "sqlserver",
|
||||
identifierQuotes: [
|
||||
{ open: "[", close: "]" },
|
||||
{ open: '"', close: '"' },
|
||||
],
|
||||
supportsAsForTableAlias: true,
|
||||
projectionAliasVisibility: defaultProjectionAliasVisibility,
|
||||
normalizeIdentifier: defaultNormalize,
|
||||
quoteIdentifier: (identifier) => `[${identifier.replaceAll("]", "]]")}]`,
|
||||
qualifierRole(parts, context) {
|
||||
if (context === "column") return parts.length >= 2 ? "table" : "table";
|
||||
if (context === "routine") return parts.length >= 2 ? "package" : "schema";
|
||||
if (parts.length >= 2) return "schema";
|
||||
return "schema";
|
||||
},
|
||||
},
|
||||
sqlite: {
|
||||
id: "sqlite",
|
||||
identifierQuotes: [
|
||||
{ open: '"', close: '"' },
|
||||
{ open: "`", close: "`" },
|
||||
{ open: "[", close: "]" },
|
||||
],
|
||||
supportsAsForTableAlias: true,
|
||||
projectionAliasVisibility: { where: false, groupBy: true, having: true, orderBy: true },
|
||||
normalizeIdentifier: defaultNormalize,
|
||||
quoteIdentifier: (identifier) => quoteWith(identifier, '"'),
|
||||
qualifierRole: roleForGenericQualifier,
|
||||
},
|
||||
duckdb: {
|
||||
id: "duckdb",
|
||||
identifierQuotes: [{ open: '"', close: '"' }],
|
||||
supportsAsForTableAlias: true,
|
||||
projectionAliasVisibility: defaultProjectionAliasVisibility,
|
||||
normalizeIdentifier: defaultNormalize,
|
||||
quoteIdentifier: (identifier) => quoteWith(identifier, '"'),
|
||||
qualifierRole: roleForGenericQualifier,
|
||||
},
|
||||
oracle: {
|
||||
id: "oracle",
|
||||
identifierQuotes: [{ open: '"', close: '"' }],
|
||||
supportsAsForTableAlias: false,
|
||||
projectionAliasVisibility: defaultProjectionAliasVisibility,
|
||||
normalizeIdentifier: upperUnquoted,
|
||||
quoteIdentifier: (identifier) => quoteWith(identifier, '"'),
|
||||
qualifierRole(parts, context) {
|
||||
if (context === "column") return parts.length >= 2 ? "table" : "table";
|
||||
if (context === "routine") return parts.length >= 2 ? "package" : "schema";
|
||||
return parts.length >= 1 ? "schema" : "unknown";
|
||||
},
|
||||
},
|
||||
};
|
||||
|
||||
export function sqlSemanticDialectFor(options: { databaseType?: DatabaseType; dialect?: "mysql" | "postgres" | "sqlserver" }): SqlSemanticDialectAdapter {
|
||||
if (options.dialect && SQL_SEMANTIC_DIALECTS[options.dialect]) return SQL_SEMANTIC_DIALECTS[options.dialect];
|
||||
switch (options.databaseType) {
|
||||
case "postgres":
|
||||
case "redshift":
|
||||
case "opengauss":
|
||||
case "gaussdb":
|
||||
case "highgo":
|
||||
return SQL_SEMANTIC_DIALECTS.postgres;
|
||||
case "mysql":
|
||||
case "doris":
|
||||
case "starrocks":
|
||||
return SQL_SEMANTIC_DIALECTS.mysql;
|
||||
case "sqlserver":
|
||||
return SQL_SEMANTIC_DIALECTS.sqlserver;
|
||||
case "sqlite":
|
||||
case "rqlite":
|
||||
case "turso":
|
||||
return SQL_SEMANTIC_DIALECTS.sqlite;
|
||||
case "duckdb":
|
||||
return SQL_SEMANTIC_DIALECTS.duckdb;
|
||||
case "oracle":
|
||||
case "oceanbase-oracle":
|
||||
case "dameng":
|
||||
case "kingbase":
|
||||
case "vastbase":
|
||||
case "goldendb":
|
||||
case "yashandb":
|
||||
return SQL_SEMANTIC_DIALECTS.oracle;
|
||||
default:
|
||||
return SQL_SEMANTIC_DIALECTS.generic;
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,168 @@
|
||||
import type { SqlSemanticCompletionScopeKind } from "@/lib/sql/semantic/completion";
|
||||
import type { SqlSemanticConfidence, SqlSemanticCursorKind, SqlSemanticStatementKind } from "@/lib/sql/semantic/types";
|
||||
|
||||
export interface SqlSemanticFixture {
|
||||
name: string;
|
||||
sql: string;
|
||||
databaseType?: "postgres" | "mysql" | "sqlserver" | "sqlite" | "duckdb" | "oracle";
|
||||
expected: {
|
||||
statementKind: SqlSemanticStatementKind;
|
||||
cursorKind: SqlSemanticCursorKind;
|
||||
completionScope: SqlSemanticCompletionScopeKind;
|
||||
prefix: string;
|
||||
qualifierParts?: string[];
|
||||
confidence: SqlSemanticConfidence;
|
||||
rowSources?: Array<{ name: string; alias?: string; kind?: string; columns?: string[] }>;
|
||||
completionLabels?: string[];
|
||||
};
|
||||
}
|
||||
|
||||
export function sqlFixtureCursor(input: string): { sql: string; cursor: number } {
|
||||
const cursor = input.indexOf("|");
|
||||
if (cursor < 0) {
|
||||
throw new Error("SQL semantic fixture is missing a | cursor marker");
|
||||
}
|
||||
return {
|
||||
sql: input.slice(0, cursor) + input.slice(cursor + 1),
|
||||
cursor,
|
||||
};
|
||||
}
|
||||
|
||||
export const SQL_SEMANTIC_BASELINE_FIXTURES: SqlSemanticFixture[] = [
|
||||
{
|
||||
name: "select alias column",
|
||||
sql: "SELECT * FROM users u JOIN orders o ON o.user_id = u.id WHERE u.|",
|
||||
expected: {
|
||||
statementKind: "select",
|
||||
cursorKind: "alias_column",
|
||||
completionScope: "columns",
|
||||
prefix: "",
|
||||
qualifierParts: ["u"],
|
||||
confidence: "high",
|
||||
rowSources: [
|
||||
{ name: "users", alias: "u", kind: "table" },
|
||||
{ name: "orders", alias: "o", kind: "table" },
|
||||
],
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "with cte table source",
|
||||
sql: "WITH recent_orders(id, total) AS (SELECT id, total FROM orders) SELECT * FROM recent_orders ro WHERE ro.|",
|
||||
expected: {
|
||||
statementKind: "select",
|
||||
cursorKind: "alias_column",
|
||||
completionScope: "columns",
|
||||
prefix: "",
|
||||
qualifierParts: ["ro"],
|
||||
confidence: "high",
|
||||
rowSources: [{ name: "recent_orders", alias: "ro", kind: "cte", columns: ["id", "total"] }],
|
||||
completionLabels: ["id", "total"],
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "subquery projection columns",
|
||||
sql: "SELECT * FROM (SELECT id, name AS user_name FROM users) sq WHERE sq.|",
|
||||
expected: {
|
||||
statementKind: "select",
|
||||
cursorKind: "alias_column",
|
||||
completionScope: "columns",
|
||||
prefix: "",
|
||||
qualifierParts: ["sq"],
|
||||
confidence: "high",
|
||||
rowSources: [{ name: "sq", alias: "sq", kind: "subquery", columns: ["id", "user_name"] }],
|
||||
completionLabels: ["id", "user_name"],
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "insert target columns",
|
||||
sql: "INSERT INTO dbo.Users (|",
|
||||
databaseType: "sqlserver",
|
||||
expected: {
|
||||
statementKind: "insert",
|
||||
cursorKind: "insert_column",
|
||||
completionScope: "columns",
|
||||
prefix: "",
|
||||
qualifierParts: [],
|
||||
confidence: "medium",
|
||||
rowSources: [{ name: "Users", kind: "mutation_target" }],
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "update set columns",
|
||||
sql: "UPDATE dbo.Users SET |",
|
||||
databaseType: "sqlserver",
|
||||
expected: {
|
||||
statementKind: "update",
|
||||
cursorKind: "update_column",
|
||||
completionScope: "columns",
|
||||
prefix: "",
|
||||
qualifierParts: [],
|
||||
confidence: "medium",
|
||||
rowSources: [{ name: "Users", kind: "mutation_target" }],
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "call routine",
|
||||
sql: "CALL app.refresh_|",
|
||||
databaseType: "postgres",
|
||||
expected: {
|
||||
statementKind: "call",
|
||||
cursorKind: "routine",
|
||||
completionScope: "routine",
|
||||
prefix: "refresh_",
|
||||
qualifierParts: ["app"],
|
||||
confidence: "high",
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "delete target",
|
||||
sql: "DELETE FROM audit_events ae WHERE ae.|",
|
||||
expected: {
|
||||
statementKind: "delete",
|
||||
cursorKind: "alias_column",
|
||||
completionScope: "columns",
|
||||
prefix: "",
|
||||
qualifierParts: ["ae"],
|
||||
confidence: "high",
|
||||
rowSources: [{ name: "audit_events", alias: "ae", kind: "mutation_target" }],
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "table function alias",
|
||||
sql: "SELECT * FROM JSON_TABLE(payload, '$' COLUMNS(id INT PATH '$.id')) jt WHERE jt.|",
|
||||
databaseType: "oracle",
|
||||
expected: {
|
||||
statementKind: "select",
|
||||
cursorKind: "alias_column",
|
||||
completionScope: "columns",
|
||||
prefix: "",
|
||||
qualifierParts: ["JT"],
|
||||
confidence: "high",
|
||||
rowSources: [{ name: "JT", alias: "JT", kind: "table_function" }],
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "schema qualified table",
|
||||
sql: "SELECT * FROM reporting.|",
|
||||
databaseType: "postgres",
|
||||
expected: {
|
||||
statementKind: "select",
|
||||
cursorKind: "table",
|
||||
completionScope: "table",
|
||||
prefix: "",
|
||||
qualifierParts: ["reporting"],
|
||||
confidence: "medium",
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "comment suppressed",
|
||||
sql: "SELECT * FROM users -- u.|",
|
||||
expected: {
|
||||
statementKind: "select",
|
||||
cursorKind: "suppressed",
|
||||
completionScope: "local",
|
||||
prefix: "",
|
||||
confidence: "high",
|
||||
},
|
||||
},
|
||||
];
|
||||
@@ -0,0 +1,580 @@
|
||||
import { sqlSemanticDialectFor, type SqlSemanticDialectAdapter } from "@/lib/sql/semantic/dialect";
|
||||
import { findActiveSqlStatementSpan, isSuppressedSqlSemanticContext, tokenIsIdentifier, tokenizeSqlSemantic, unquoteSqlSemanticIdentifier } from "@/lib/sql/semantic/tokens";
|
||||
import type {
|
||||
SqlSemanticBuildOptions,
|
||||
SqlSemanticClauseSpans,
|
||||
SqlSemanticCursorIntent,
|
||||
SqlSemanticIdentifierPart,
|
||||
SqlSemanticModel,
|
||||
SqlSemanticProjection,
|
||||
SqlSemanticQualifiedName,
|
||||
SqlSemanticRowSource,
|
||||
SqlSemanticScope,
|
||||
SqlSemanticSpan,
|
||||
SqlSemanticStatement,
|
||||
SqlSemanticStatementKind,
|
||||
SqlSemanticToken,
|
||||
} from "@/lib/sql/semantic/types";
|
||||
|
||||
const TABLE_INTRODUCERS = new Set(["from", "join", "update", "into", "using", "apply"]);
|
||||
const JOIN_MODIFIERS = new Set(["left", "right", "inner", "outer", "cross", "full", "natural"]);
|
||||
const CLAUSE_BOUNDARIES = new Set(["where", "group", "having", "order", "limit", "offset", "union", "intersect", "except", "on", "set", "values", "returning"]);
|
||||
const ALIAS_BLACKLIST = new Set([...CLAUSE_BOUNDARIES, "join", "left", "right", "inner", "outer", "cross", "full", "natural", "as", "select", "from"]);
|
||||
|
||||
interface ParseState {
|
||||
dialect: SqlSemanticDialectAdapter;
|
||||
tokens: SqlSemanticToken[];
|
||||
statement: SqlSemanticStatement;
|
||||
cteSources: SqlSemanticRowSource[];
|
||||
}
|
||||
|
||||
interface TrailingIdentifier {
|
||||
prefix: string;
|
||||
replacementRange: SqlSemanticSpan;
|
||||
qualifierParts: string[];
|
||||
}
|
||||
|
||||
function significantTokens(tokens: readonly SqlSemanticToken[]): SqlSemanticToken[] {
|
||||
return tokens.filter((item) => item.kind !== "comment");
|
||||
}
|
||||
|
||||
function tokenTextAt(sql: string, span: SqlSemanticSpan): string {
|
||||
return sql.slice(span.start, span.end);
|
||||
}
|
||||
|
||||
function firstWord(tokens: readonly SqlSemanticToken[]): string {
|
||||
return tokens.find((item) => item.kind === "word")?.normalized ?? "";
|
||||
}
|
||||
|
||||
function statementKind(tokens: readonly SqlSemanticToken[]): SqlSemanticStatementKind {
|
||||
const word = firstWord(tokens);
|
||||
if (word === "with" || word === "select") return "select";
|
||||
if (word === "insert") return "insert";
|
||||
if (word === "update") return "update";
|
||||
if (word === "delete") return "delete";
|
||||
if (word === "call" || word === "exec" || word === "execute") return "call";
|
||||
return "unknown";
|
||||
}
|
||||
|
||||
function identifierPart(tokenValue: SqlSemanticToken, dialect: SqlSemanticDialectAdapter): SqlSemanticIdentifierPart {
|
||||
const quoted = tokenValue.kind === "quoted_identifier";
|
||||
const raw = unquoteSqlSemanticIdentifier(tokenValue);
|
||||
return {
|
||||
raw: tokenValue.text,
|
||||
name: dialect.normalizeIdentifier(raw, quoted),
|
||||
span: tokenValue.span,
|
||||
quote: tokenValue.quote,
|
||||
};
|
||||
}
|
||||
|
||||
function readQualifiedName(tokens: readonly SqlSemanticToken[], startIndex: number, dialect: SqlSemanticDialectAdapter): { name: SqlSemanticQualifiedName; nextIndex: number } | null {
|
||||
const parts: SqlSemanticIdentifierPart[] = [];
|
||||
let index = startIndex;
|
||||
while (index < tokens.length) {
|
||||
const current = tokens[index];
|
||||
if (!tokenIsIdentifier(current)) break;
|
||||
parts.push(identifierPart(current, dialect));
|
||||
if (tokens[index + 1]?.text !== ".") {
|
||||
index += 1;
|
||||
break;
|
||||
}
|
||||
index += 2;
|
||||
}
|
||||
if (parts.length === 0) return null;
|
||||
return {
|
||||
name: {
|
||||
parts,
|
||||
span: { start: parts[0]?.span.start ?? tokens[startIndex]?.span.start ?? 0, end: parts[parts.length - 1]?.span.end ?? tokens[startIndex]?.span.end ?? 0 },
|
||||
},
|
||||
nextIndex: index,
|
||||
};
|
||||
}
|
||||
|
||||
function sourceNameFromQualifiedName(name: SqlSemanticQualifiedName): { name: string; qualifierParts: string[] } {
|
||||
const parts = name.parts.map((part) => part.name);
|
||||
return {
|
||||
name: parts[parts.length - 1] ?? "",
|
||||
qualifierParts: parts.slice(0, -1),
|
||||
};
|
||||
}
|
||||
|
||||
function findMatchingParenToken(tokens: readonly SqlSemanticToken[], openIndex: number): number {
|
||||
if (tokens[openIndex]?.text !== "(") return -1;
|
||||
const startDepth = tokens[openIndex]?.depth ?? 0;
|
||||
for (let index = openIndex + 1; index < tokens.length; index += 1) {
|
||||
const item = tokens[index];
|
||||
if (item?.text === ")" && item.depth === startDepth) return index;
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
function splitTopLevelByComma(tokens: readonly SqlSemanticToken[]): SqlSemanticToken[][] {
|
||||
const groups: SqlSemanticToken[][] = [];
|
||||
let current: SqlSemanticToken[] = [];
|
||||
const baseDepth = tokens.reduce((min, item) => Math.min(min, item.depth), Number.POSITIVE_INFINITY);
|
||||
for (const item of tokens) {
|
||||
if (item.text === "," && item.depth === baseDepth) {
|
||||
groups.push(current);
|
||||
current = [];
|
||||
} else {
|
||||
current.push(item);
|
||||
}
|
||||
}
|
||||
if (current.length > 0) groups.push(current);
|
||||
return groups;
|
||||
}
|
||||
|
||||
function projectionNameFromTokens(tokens: readonly SqlSemanticToken[], dialect: SqlSemanticDialectAdapter): SqlSemanticProjection | null {
|
||||
const useful = tokens.filter((item) => item.kind !== "comment");
|
||||
if (useful.length === 0) return null;
|
||||
let asIndex = -1;
|
||||
for (let index = useful.length - 1; index >= 0; index -= 1) {
|
||||
if (useful[index]?.kind === "word" && useful[index]?.normalized === "as") {
|
||||
asIndex = index;
|
||||
break;
|
||||
}
|
||||
}
|
||||
const aliasToken = asIndex >= 0 ? useful[asIndex + 1] : undefined;
|
||||
if (tokenIsIdentifier(aliasToken)) {
|
||||
const name = identifierPart(aliasToken, dialect).name;
|
||||
return {
|
||||
name,
|
||||
alias: name,
|
||||
aliasSpan: aliasToken.span,
|
||||
sourceExpression: useful.map((item) => item.text).join(" "),
|
||||
span: { start: useful[0]?.span.start ?? 0, end: useful[useful.length - 1]?.span.end ?? 0 },
|
||||
};
|
||||
}
|
||||
const lastIdentifier = [...useful].reverse().find(tokenIsIdentifier);
|
||||
if (!lastIdentifier) return null;
|
||||
const name = identifierPart(lastIdentifier, dialect).name;
|
||||
return {
|
||||
name,
|
||||
sourceExpression: useful.map((item) => item.text).join(" "),
|
||||
span: { start: useful[0]?.span.start ?? 0, end: useful[useful.length - 1]?.span.end ?? 0 },
|
||||
};
|
||||
}
|
||||
|
||||
function parseSelectProjections(tokens: readonly SqlSemanticToken[], dialect: SqlSemanticDialectAdapter): SqlSemanticProjection[] {
|
||||
const baseDepth = tokens.reduce((min, item) => Math.min(min, item.depth), Number.POSITIVE_INFINITY);
|
||||
const selectDepth = Number.isFinite(baseDepth) ? baseDepth : 0;
|
||||
const selectIndex = tokens.findIndex((item) => item.depth === selectDepth && item.kind === "word" && item.normalized === "select");
|
||||
if (selectIndex < 0) return [];
|
||||
let fromIndex = tokens.findIndex((item, index) => index > selectIndex && item.depth === selectDepth && item.kind === "word" && item.normalized === "from");
|
||||
if (fromIndex < 0) fromIndex = tokens.length;
|
||||
const projectionTokens = tokens.slice(selectIndex + 1, fromIndex);
|
||||
return splitTopLevelByComma(projectionTokens)
|
||||
.map((group) => projectionNameFromTokens(group, dialect))
|
||||
.filter((projection): projection is SqlSemanticProjection => projection != null && projection.name !== "*");
|
||||
}
|
||||
|
||||
function parseCteSources(state: ParseState): SqlSemanticRowSource[] {
|
||||
const tokens = state.tokens;
|
||||
const first = tokens.findIndex((item) => item.kind === "word" && item.normalized === "with");
|
||||
if (first < 0) return [];
|
||||
const sources: SqlSemanticRowSource[] = [];
|
||||
let index = first + 1;
|
||||
if (tokens[index]?.normalized === "recursive") index += 1;
|
||||
|
||||
while (index < tokens.length) {
|
||||
while (tokens[index]?.text === ",") index += 1;
|
||||
const nameToken = tokens[index];
|
||||
if (!tokenIsIdentifier(nameToken)) break;
|
||||
const namePart = identifierPart(nameToken, state.dialect);
|
||||
index += 1;
|
||||
|
||||
const explicitColumns: string[] = [];
|
||||
if (tokens[index]?.text === "(") {
|
||||
const close = findMatchingParenToken(tokens, index);
|
||||
if (close > index) {
|
||||
for (const part of splitTopLevelByComma(tokens.slice(index + 1, close))) {
|
||||
const identifier = part.find(tokenIsIdentifier);
|
||||
if (identifier) explicitColumns.push(identifierPart(identifier, state.dialect).name);
|
||||
}
|
||||
index = close + 1;
|
||||
}
|
||||
}
|
||||
|
||||
if (tokens[index]?.normalized === "as") index += 1;
|
||||
if (tokens[index]?.text !== "(") break;
|
||||
const bodyOpen = index;
|
||||
const bodyClose = findMatchingParenToken(tokens, bodyOpen);
|
||||
const safeBodyClose = bodyClose < 0 ? tokens.length - 1 : bodyClose;
|
||||
const bodyTokens = tokens.slice(bodyOpen + 1, safeBodyClose);
|
||||
const bodyColumns = explicitColumns.length > 0 ? explicitColumns : parseSelectProjections(bodyTokens, state.dialect).map((projection) => projection.name);
|
||||
sources.push({
|
||||
id: `cte:${namePart.name}:${sources.length}`,
|
||||
kind: "cte",
|
||||
name: namePart.name,
|
||||
qualifierParts: [],
|
||||
sourceSpan: { start: nameToken.span.start, end: tokens[safeBodyClose]?.span.end ?? nameToken.span.end },
|
||||
columns: bodyColumns,
|
||||
});
|
||||
index = safeBodyClose + 1;
|
||||
|
||||
if (tokens[index]?.text !== ",") break;
|
||||
index += 1;
|
||||
}
|
||||
return sources;
|
||||
}
|
||||
|
||||
function aliasAfter(tokens: readonly SqlSemanticToken[], index: number, dialect: SqlSemanticDialectAdapter): { alias?: string; aliasSpan?: SqlSemanticSpan; nextIndex: number } {
|
||||
let cursor = index;
|
||||
if (tokens[cursor]?.kind === "word" && tokens[cursor]?.normalized === "as") cursor += 1;
|
||||
const aliasToken = tokens[cursor];
|
||||
if (tokenIsIdentifier(aliasToken)) {
|
||||
const alias = identifierPart(aliasToken, dialect).name;
|
||||
if (!ALIAS_BLACKLIST.has(alias.toLowerCase())) {
|
||||
return { alias, aliasSpan: aliasToken.span, nextIndex: cursor + 1 };
|
||||
}
|
||||
}
|
||||
return { nextIndex: index };
|
||||
}
|
||||
|
||||
function parseSubquerySource(state: ParseState, openIndex: number, introducer: string, sourceIndex: number): { source: SqlSemanticRowSource; nextIndex: number } | null {
|
||||
const close = findMatchingParenToken(state.tokens, openIndex);
|
||||
if (close < 0) return null;
|
||||
const alias = aliasAfter(state.tokens, close + 1, state.dialect);
|
||||
if (!alias.alias) return null;
|
||||
const bodyTokens = state.tokens.slice(openIndex + 1, close);
|
||||
const columns = parseSelectProjections(bodyTokens, state.dialect).map((projection) => projection.name);
|
||||
return {
|
||||
source: {
|
||||
id: `${introducer}:subquery:${sourceIndex}`,
|
||||
kind: "subquery",
|
||||
name: alias.alias,
|
||||
qualifierParts: [],
|
||||
alias: alias.alias,
|
||||
aliasSpan: alias.aliasSpan,
|
||||
sourceSpan: { start: state.tokens[openIndex]?.span.start ?? 0, end: alias.aliasSpan?.end ?? state.tokens[close]?.span.end ?? 0 },
|
||||
columns,
|
||||
},
|
||||
nextIndex: alias.nextIndex,
|
||||
};
|
||||
}
|
||||
|
||||
function parseTableFunctionSource(state: ParseState, nameIndex: number, introducer: string, sourceIndex: number): { source: SqlSemanticRowSource; nextIndex: number } | null {
|
||||
const nameToken = state.tokens[nameIndex];
|
||||
if (!nameToken || nameToken.kind !== "word" || !["table", "xmltable", "json_table", "the", "read_csv", "read_parquet", "read_json", "unnest"].includes(nameToken.normalized)) return null;
|
||||
if (state.tokens[nameIndex + 1]?.text !== "(") return null;
|
||||
const close = findMatchingParenToken(state.tokens, nameIndex + 1);
|
||||
const safeClose = close < 0 ? nameIndex + 1 : close;
|
||||
const alias = aliasAfter(state.tokens, safeClose + 1, state.dialect);
|
||||
const sourceName = alias.alias ?? nameToken.normalized;
|
||||
return {
|
||||
source: {
|
||||
id: `${introducer}:table_function:${sourceIndex}`,
|
||||
kind: "table_function",
|
||||
name: sourceName,
|
||||
qualifierParts: [],
|
||||
alias: alias.alias,
|
||||
aliasSpan: alias.aliasSpan,
|
||||
sourceSpan: { start: nameToken.span.start, end: alias.aliasSpan?.end ?? state.tokens[safeClose]?.span.end ?? nameToken.span.end },
|
||||
unresolved: close < 0,
|
||||
},
|
||||
nextIndex: alias.nextIndex,
|
||||
};
|
||||
}
|
||||
|
||||
function parseTableSource(state: ParseState, nameIndex: number, introducer: string, sourceIndex: number): { source: SqlSemanticRowSource; nextIndex: number } | null {
|
||||
const qualified = readQualifiedName(state.tokens, nameIndex, state.dialect);
|
||||
if (!qualified) return null;
|
||||
const { name, qualifierParts } = sourceNameFromQualifiedName(qualified.name);
|
||||
const alias = aliasAfter(state.tokens, qualified.nextIndex, state.dialect);
|
||||
const cte = state.cteSources.find((source) => source.name.toLowerCase() === name.toLowerCase());
|
||||
const kind = cte ? "cte" : introducer === "update" || introducer === "into" || (state.statement.kind === "delete" && introducer === "from") ? "mutation_target" : "table";
|
||||
const source: SqlSemanticRowSource = {
|
||||
id: `${introducer}:${name}:${sourceIndex}`,
|
||||
kind,
|
||||
name,
|
||||
qualifiedName: qualified.name,
|
||||
qualifierParts,
|
||||
alias: alias.alias,
|
||||
aliasSpan: alias.aliasSpan,
|
||||
sourceSpan: { start: qualified.name.span.start, end: alias.aliasSpan?.end ?? qualified.name.span.end },
|
||||
columns: cte?.columns,
|
||||
metadataTarget: {
|
||||
schema: qualifierParts[qualifierParts.length - 1],
|
||||
table: name,
|
||||
},
|
||||
};
|
||||
return { source, nextIndex: alias.nextIndex };
|
||||
}
|
||||
|
||||
function parseRowSources(state: ParseState): SqlSemanticRowSource[] {
|
||||
const sources: SqlSemanticRowSource[] = [...state.cteSources];
|
||||
const rootDepth = state.tokens.reduce((min, item) => Math.min(min, item.depth), Number.POSITIVE_INFINITY);
|
||||
const sourceDepth = Number.isFinite(rootDepth) ? rootDepth : 0;
|
||||
for (let index = 0; index < state.tokens.length; index += 1) {
|
||||
const item = state.tokens[index];
|
||||
if (!item || item.kind !== "word") continue;
|
||||
if (item.depth !== sourceDepth) continue;
|
||||
const normalized = item.normalized;
|
||||
if (!TABLE_INTRODUCERS.has(normalized)) continue;
|
||||
if (JOIN_MODIFIERS.has(normalized)) continue;
|
||||
let target = index + 1;
|
||||
while (JOIN_MODIFIERS.has(state.tokens[target]?.normalized ?? "")) target += 1;
|
||||
if (state.tokens[target]?.text === "(") {
|
||||
const subquery = parseSubquerySource(state, target, normalized, sources.length);
|
||||
if (subquery) {
|
||||
sources.push(subquery.source);
|
||||
index = subquery.nextIndex - 1;
|
||||
}
|
||||
continue;
|
||||
}
|
||||
const tableFunction = parseTableFunctionSource(state, target, normalized, sources.length);
|
||||
if (tableFunction) {
|
||||
sources.push(tableFunction.source);
|
||||
index = tableFunction.nextIndex - 1;
|
||||
continue;
|
||||
}
|
||||
const table = parseTableSource(state, target, normalized, sources.length);
|
||||
if (table) {
|
||||
sources.push(table.source);
|
||||
index = table.nextIndex - 1;
|
||||
}
|
||||
}
|
||||
return dedupeSources(sources);
|
||||
}
|
||||
|
||||
function dedupeSources(sources: SqlSemanticRowSource[]): SqlSemanticRowSource[] {
|
||||
const seen = new Set<string>();
|
||||
const result: SqlSemanticRowSource[] = [];
|
||||
for (const source of sources) {
|
||||
const key = `${source.kind}:${source.name}:${source.alias ?? ""}:${source.sourceSpan.start}`;
|
||||
if (seen.has(key)) continue;
|
||||
seen.add(key);
|
||||
result.push(source);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
function clauseSpans(tokens: readonly SqlSemanticToken[]): SqlSemanticClauseSpans {
|
||||
const spans: SqlSemanticClauseSpans = {};
|
||||
const depth = tokens[0]?.depth ?? 0;
|
||||
for (let index = 0; index < tokens.length; index += 1) {
|
||||
const item = tokens[index];
|
||||
if (!item || item.depth !== depth || item.kind !== "word") continue;
|
||||
const next = tokens[index + 1];
|
||||
const start = item.span.start;
|
||||
const end = next?.span.start ?? tokens[tokens.length - 1]?.span.end ?? item.span.end;
|
||||
if (item.normalized === "select") spans.select = { start, end };
|
||||
if (item.normalized === "from") spans.from = { start, end };
|
||||
if (item.normalized === "where") spans.where = { start, end };
|
||||
if (item.normalized === "having") spans.having = { start, end };
|
||||
if (item.normalized === "limit") spans.limit = { start, end };
|
||||
if (item.normalized === "group" && next?.normalized === "by") spans.groupBy = { start, end: next.span.end };
|
||||
if (item.normalized === "order" && next?.normalized === "by") spans.orderBy = { start, end: next.span.end };
|
||||
if (item.normalized === "set") spans.updateSet = { start, end };
|
||||
}
|
||||
return spans;
|
||||
}
|
||||
|
||||
function trailingIdentifier(tokens: readonly SqlSemanticToken[], cursor: number, dialect: SqlSemanticDialectAdapter): TrailingIdentifier {
|
||||
const before = tokens.filter((item) => item.span.start < cursor && item.kind !== "comment" && item.kind !== "string");
|
||||
const last = before[before.length - 1];
|
||||
if (!last) return { prefix: "", replacementRange: { start: cursor, end: cursor }, qualifierParts: [] };
|
||||
if (last.span.end < cursor && last.text !== ".") {
|
||||
return { prefix: "", replacementRange: { start: cursor, end: cursor }, qualifierParts: [] };
|
||||
}
|
||||
|
||||
let prefix = "";
|
||||
let replacementRange: SqlSemanticSpan = { start: cursor, end: cursor };
|
||||
let index = before.length - 1;
|
||||
if (tokenIsIdentifier(last) && cursor <= last.span.end) {
|
||||
const rawPrefix = tokenTextAt(last.text, { start: 0, end: Math.max(0, cursor - last.span.start) });
|
||||
prefix = last.kind === "quoted_identifier" ? unquoteSqlSemanticIdentifier({ ...last, text: rawPrefix.endsWith(last.quote ?? "") ? rawPrefix : rawPrefix + (last.quote === "[" ? "]" : (last.quote ?? "")) }) : rawPrefix;
|
||||
replacementRange = { start: last.span.start, end: cursor };
|
||||
index -= 1;
|
||||
if (before[index]?.text === ".") index -= 1;
|
||||
} else if (last.text === ".") {
|
||||
index -= 1;
|
||||
}
|
||||
|
||||
const qualifierParts: string[] = [];
|
||||
while (index >= 0) {
|
||||
const identifier = before[index];
|
||||
if (!tokenIsIdentifier(identifier)) break;
|
||||
qualifierParts.unshift(identifierPart(identifier, dialect).name);
|
||||
if (before[index - 1]?.text !== ".") break;
|
||||
index -= 2;
|
||||
}
|
||||
|
||||
return { prefix, replacementRange, qualifierParts };
|
||||
}
|
||||
|
||||
function previousWord(tokens: readonly SqlSemanticToken[], cursor: number): string {
|
||||
const before = tokens.filter((item) => item.span.end <= cursor && item.kind === "word");
|
||||
return before[before.length - 1]?.normalized ?? "";
|
||||
}
|
||||
|
||||
function wordBeforePosition(tokens: readonly SqlSemanticToken[], position: number): string {
|
||||
const before = tokens.filter((item) => item.span.end <= position && item.kind === "word");
|
||||
return before[before.length - 1]?.normalized ?? "";
|
||||
}
|
||||
|
||||
function isTableListContinuation(tokens: readonly SqlSemanticToken[], position: number): boolean {
|
||||
const before = tokens.filter((item) => item.span.end <= position && item.kind !== "comment");
|
||||
const commaIndex = before.length - 1;
|
||||
const comma = before[commaIndex];
|
||||
if (comma?.text !== ",") return false;
|
||||
const depth = comma.depth;
|
||||
for (let index = commaIndex - 1; index >= 0; index -= 1) {
|
||||
const token = before[index];
|
||||
if (!token || token.depth !== depth || token.kind !== "word") continue;
|
||||
if (TABLE_INTRODUCERS.has(token.normalized) || token.normalized === "from" || token.normalized === "join") return true;
|
||||
if (CLAUSE_BOUNDARIES.has(token.normalized) || token.normalized === "select") return false;
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
function hasWordBefore(tokens: readonly SqlSemanticToken[], cursor: number, word: string): boolean {
|
||||
return tokens.some((item) => item.span.end <= cursor && item.kind === "word" && item.normalized === word);
|
||||
}
|
||||
|
||||
function isBeforeWord(tokens: readonly SqlSemanticToken[], cursor: number, word: string): boolean {
|
||||
const target = tokens.find((item) => item.span.start >= cursor && item.kind === "word" && item.normalized === word);
|
||||
return !!target;
|
||||
}
|
||||
|
||||
function sourceForQualifier(sources: readonly SqlSemanticRowSource[], qualifierParts: readonly string[]): SqlSemanticRowSource | undefined {
|
||||
const qualifier = qualifierParts[qualifierParts.length - 1]?.toLowerCase();
|
||||
if (!qualifier) return undefined;
|
||||
return sources.find((source) => source.alias?.toLowerCase() === qualifier || source.name.toLowerCase() === qualifier);
|
||||
}
|
||||
|
||||
function starQualifierParts(before: readonly SqlSemanticToken[], starIndex: number, dialect: SqlSemanticDialectAdapter): string[] {
|
||||
let index = starIndex - 1;
|
||||
if (before[index]?.text === ".") index -= 1;
|
||||
const qualifierParts: string[] = [];
|
||||
while (index >= 0) {
|
||||
const identifier = before[index];
|
||||
if (!tokenIsIdentifier(identifier)) break;
|
||||
qualifierParts.unshift(identifierPart(identifier, dialect).name);
|
||||
if (before[index - 1]?.text !== ".") break;
|
||||
index -= 2;
|
||||
}
|
||||
return qualifierParts;
|
||||
}
|
||||
|
||||
function buildCursorIntent(tokens: readonly SqlSemanticToken[], cursor: number, sources: readonly SqlSemanticRowSource[], dialect: SqlSemanticDialectAdapter, suppressed: boolean, kind: SqlSemanticStatementKind): SqlSemanticCursorIntent {
|
||||
if (suppressed) {
|
||||
return { kind: "suppressed", prefix: "", replacementRange: { start: cursor, end: cursor }, qualifierParts: [], expectedObjectKinds: [], confidence: "high", fallbackReason: "comment_or_string" };
|
||||
}
|
||||
const trailing = trailingIdentifier(tokens, cursor, dialect);
|
||||
const previous = previousWord(tokens, cursor);
|
||||
const targetSource = sourceForQualifier(sources, trailing.qualifierParts);
|
||||
const before = tokens.filter((item) => item.span.end <= cursor);
|
||||
const last = before[before.length - 1];
|
||||
const wordBeforeReplacement = wordBeforePosition(tokens, trailing.replacementRange.start);
|
||||
const tableListContinuation = isTableListContinuation(tokens, trailing.replacementRange.start);
|
||||
|
||||
if (last?.text === "*" || trailing.prefix === "*") {
|
||||
const starIndex = last?.text === "*" ? before.length - 1 : -1;
|
||||
const qualifierParts = starIndex >= 0 ? starQualifierParts(before, starIndex, dialect) : trailing.qualifierParts;
|
||||
const starTarget = sourceForQualifier(sources, qualifierParts);
|
||||
const replacementRange = last?.text === "*" ? { start: last.span.start, end: Math.min(cursor, last.span.end) } : trailing.replacementRange;
|
||||
return { kind: "star", prefix: "*", replacementRange, qualifierParts, targetSourceId: starTarget?.id, expectedObjectKinds: ["column"], confidence: "high" };
|
||||
}
|
||||
|
||||
if (kind === "call") {
|
||||
return { kind: "routine", prefix: trailing.prefix, replacementRange: trailing.replacementRange, qualifierParts: trailing.qualifierParts, expectedObjectKinds: ["routine", "procedure", "function"], confidence: "high" };
|
||||
}
|
||||
|
||||
if (kind === "insert" && hasWordBefore(tokens, cursor, "into") && !hasWordBefore(tokens, cursor, "values")) {
|
||||
const mutationTarget = sources.find((source) => source.kind === "mutation_target");
|
||||
return {
|
||||
kind: "insert_column",
|
||||
prefix: trailing.prefix,
|
||||
replacementRange: trailing.replacementRange,
|
||||
qualifierParts: trailing.qualifierParts,
|
||||
targetSourceId: mutationTarget?.id,
|
||||
expectedObjectKinds: ["column"],
|
||||
confidence: mutationTarget ? "medium" : "low",
|
||||
fallbackReason: mutationTarget ? undefined : "unresolved_insert_target",
|
||||
};
|
||||
}
|
||||
|
||||
if (
|
||||
trailing.qualifierParts.length > 0 &&
|
||||
(previous === "from" || previous === "join" || TABLE_INTRODUCERS.has(previous) || TABLE_INTRODUCERS.has(wordBeforeReplacement) || (!!targetSource && !targetSource.alias && TABLE_INTRODUCERS.has(wordBeforePosition(tokens, targetSource.sourceSpan.start))))
|
||||
) {
|
||||
const role = dialect.qualifierRole(trailing.qualifierParts, "table");
|
||||
return { kind: role === "catalog" ? "catalog" : "table", prefix: trailing.prefix, replacementRange: trailing.replacementRange, qualifierParts: trailing.qualifierParts, expectedObjectKinds: ["table", "view"], confidence: "medium" };
|
||||
}
|
||||
|
||||
if (trailing.qualifierParts.length > 0 && targetSource) {
|
||||
return { kind: "alias_column", prefix: trailing.prefix, replacementRange: trailing.replacementRange, qualifierParts: trailing.qualifierParts, targetSourceId: targetSource.id, expectedObjectKinds: ["column"], confidence: "high" };
|
||||
}
|
||||
|
||||
if (TABLE_INTRODUCERS.has(previous) || JOIN_MODIFIERS.has(previous) || previous === "from" || previous === "join" || tableListContinuation) {
|
||||
return { kind: previous === "join" ? "table" : "table", prefix: trailing.prefix, replacementRange: trailing.replacementRange, qualifierParts: trailing.qualifierParts, expectedObjectKinds: ["table", "view"], confidence: "high" };
|
||||
}
|
||||
|
||||
if (previous === "call" || previous === "exec" || previous === "execute") {
|
||||
return { kind: "routine", prefix: trailing.prefix, replacementRange: trailing.replacementRange, qualifierParts: trailing.qualifierParts, expectedObjectKinds: ["routine", "procedure", "function"], confidence: "high" };
|
||||
}
|
||||
|
||||
if (previous === "set") {
|
||||
return {
|
||||
kind: "update_column",
|
||||
prefix: trailing.prefix,
|
||||
replacementRange: trailing.replacementRange,
|
||||
qualifierParts: trailing.qualifierParts,
|
||||
expectedObjectKinds: ["column"],
|
||||
confidence: sources.length > 0 ? "medium" : "low",
|
||||
fallbackReason: sources.length > 0 ? undefined : "unresolved_update_target",
|
||||
};
|
||||
}
|
||||
|
||||
if (["where", "on", "and", "or", "having", "by", "select"].includes(previous) && sources.length > 0 && !isBeforeWord(tokens, cursor, "from")) {
|
||||
return { kind: previous === "on" ? "join_condition" : "column", prefix: trailing.prefix, replacementRange: trailing.replacementRange, qualifierParts: trailing.qualifierParts, expectedObjectKinds: ["column"], confidence: "medium" };
|
||||
}
|
||||
|
||||
return { kind: "keyword", prefix: trailing.prefix, replacementRange: trailing.replacementRange, qualifierParts: trailing.qualifierParts, expectedObjectKinds: [], confidence: "low", fallbackReason: "keyword_context" };
|
||||
}
|
||||
|
||||
function buildScope(statement: SqlSemanticStatement, rowSources: SqlSemanticRowSource[], projections: SqlSemanticProjection[], tokens: SqlSemanticToken[]): SqlSemanticScope {
|
||||
return {
|
||||
id: "root",
|
||||
kind: statement.kind,
|
||||
span: statement.span,
|
||||
rowSources,
|
||||
projections,
|
||||
clauseSpans: clauseSpans(tokens),
|
||||
};
|
||||
}
|
||||
|
||||
export function buildSqlSemanticModel(sql: string, cursor: number, options: SqlSemanticBuildOptions = {}): SqlSemanticModel {
|
||||
const safeCursor = Math.max(0, Math.min(cursor, sql.length));
|
||||
const dialect = sqlSemanticDialectFor(options);
|
||||
const allTokens = tokenizeSqlSemantic(sql);
|
||||
const statementSpan = findActiveSqlStatementSpan(sql, allTokens, safeCursor);
|
||||
const tokens = significantTokens(allTokens.filter((item) => item.span.end > statementSpan.start && item.span.start < statementSpan.end));
|
||||
const kind = statementKind(tokens);
|
||||
const statement: SqlSemanticStatement = {
|
||||
kind,
|
||||
span: statementSpan,
|
||||
text: sql.slice(statementSpan.start, statementSpan.end),
|
||||
};
|
||||
const suppressed = isSuppressedSqlSemanticContext(allTokens, safeCursor);
|
||||
const parseState: ParseState = { dialect, tokens, statement, cteSources: [] };
|
||||
parseState.cteSources = parseCteSources(parseState);
|
||||
const rowSources = parseRowSources(parseState);
|
||||
const projections = parseSelectProjections(tokens, dialect);
|
||||
const cursorIntent = buildCursorIntent(tokens, safeCursor, rowSources, dialect, suppressed, kind);
|
||||
const scopes = [buildScope(statement, rowSources, projections, tokens)];
|
||||
return {
|
||||
databaseType: options.databaseType,
|
||||
dialectId: dialect.id,
|
||||
sql,
|
||||
cursor: safeCursor,
|
||||
statement,
|
||||
tokens: allTokens,
|
||||
scopes,
|
||||
rowSources,
|
||||
projections,
|
||||
cursorIntent,
|
||||
diagnostics: [],
|
||||
};
|
||||
}
|
||||
@@ -0,0 +1,154 @@
|
||||
import type { SqlCompletionReferencedTable } from "@/lib/sql/sqlCompletion";
|
||||
import type { SqlSemanticModel, SqlSemanticRowSource, SqlSemanticSpan } from "@/lib/sql/semantic/types";
|
||||
import type { SqlReferenceAnalysis, SqlTableReference, SqlTextSpan } from "@/types/database";
|
||||
|
||||
export type SqlSemanticTableReference = SqlTableReference & {
|
||||
columns?: string[];
|
||||
semanticSourceId?: string;
|
||||
semanticSourceKind?: SqlSemanticRowSource["kind"];
|
||||
};
|
||||
|
||||
export interface SqlSemanticNavigationTarget {
|
||||
name: string;
|
||||
schema?: string;
|
||||
alias?: string;
|
||||
columns?: string[];
|
||||
source: SqlSemanticRowSource;
|
||||
}
|
||||
|
||||
function offsetToLineColumn(sql: string, offset: number): { line: number; column: number } {
|
||||
const safeOffset = Math.max(0, Math.min(offset, sql.length));
|
||||
let line = 1;
|
||||
let lineStart = 0;
|
||||
for (let index = 0; index < safeOffset; index += 1) {
|
||||
if (sql[index] === "\n") {
|
||||
line += 1;
|
||||
lineStart = index + 1;
|
||||
}
|
||||
}
|
||||
return { line, column: safeOffset - lineStart };
|
||||
}
|
||||
|
||||
function semanticSpanToSqlTextSpan(sql: string, span: SqlSemanticSpan): SqlTextSpan {
|
||||
const start = offsetToLineColumn(sql, span.start);
|
||||
const end = offsetToLineColumn(sql, Math.max(span.end, span.start));
|
||||
return {
|
||||
start_line: start.line,
|
||||
start_column: start.column + 1,
|
||||
end_line: end.line,
|
||||
end_column: Math.max(end.column, start.column + 1),
|
||||
};
|
||||
}
|
||||
|
||||
function normalized(value: string | null | undefined): string {
|
||||
let result = value ?? "";
|
||||
while (result && '`"['.includes(result[0])) result = result.slice(1);
|
||||
while (result && '`"]'.includes(result[result.length - 1])) result = result.slice(0, -1);
|
||||
return result.toLowerCase();
|
||||
}
|
||||
|
||||
function sourceSchema(source: SqlSemanticRowSource): string | undefined {
|
||||
return source.metadataTarget?.schema ?? source.qualifierParts[source.qualifierParts.length - 1];
|
||||
}
|
||||
|
||||
function sourceTableName(source: SqlSemanticRowSource): string {
|
||||
return source.metadataTarget?.table ?? source.name;
|
||||
}
|
||||
|
||||
function sourceReferenceKey(source: SqlSemanticTableReference): string {
|
||||
return [normalized(source.schema), normalized(source.name), normalized(source.alias), source.span.start_line, source.span.start_column].join(":");
|
||||
}
|
||||
|
||||
function existingScopeId(analysis: SqlReferenceAnalysis): number {
|
||||
return analysis.tables[0]?.scope_id ?? analysis.columns[0]?.scope_id ?? 0;
|
||||
}
|
||||
|
||||
export function sqlSemanticTableReferences(model: SqlSemanticModel, scopeId = 0): SqlSemanticTableReference[] {
|
||||
if (model.cursorIntent.kind === "suppressed" || model.cursorIntent.confidence === "low") return [];
|
||||
return model.rowSources
|
||||
.filter((source) => source.kind !== "unknown")
|
||||
.map((source) => {
|
||||
const span = source.qualifiedName?.span ?? source.aliasSpan ?? source.sourceSpan;
|
||||
const schema = sourceSchema(source);
|
||||
return {
|
||||
name: sourceTableName(source),
|
||||
schema,
|
||||
alias: source.alias,
|
||||
span: semanticSpanToSqlTextSpan(model.sql, span),
|
||||
scope_id: scopeId,
|
||||
columns: source.columns?.length ? [...source.columns] : undefined,
|
||||
semanticSourceId: source.id,
|
||||
semanticSourceKind: source.kind,
|
||||
};
|
||||
});
|
||||
}
|
||||
|
||||
export function mergeSqlSemanticReferenceAnalysis(analysis: SqlReferenceAnalysis, model: SqlSemanticModel): SqlReferenceAnalysis {
|
||||
const semanticTables = sqlSemanticTableReferences(model, existingScopeId(analysis));
|
||||
if (semanticTables.length === 0) return analysis;
|
||||
|
||||
const merged = new Map<string, SqlSemanticTableReference>();
|
||||
for (const table of analysis.tables as SqlSemanticTableReference[]) {
|
||||
merged.set(sourceReferenceKey(table), table);
|
||||
}
|
||||
|
||||
for (const table of semanticTables) {
|
||||
const existing = [...merged.values()].find((candidate) => {
|
||||
if (normalized(candidate.name) !== normalized(table.name)) return false;
|
||||
if (candidate.alias && table.alias && normalized(candidate.alias) !== normalized(table.alias)) return false;
|
||||
if (candidate.schema && table.schema && normalized(candidate.schema) !== normalized(table.schema)) return false;
|
||||
return true;
|
||||
});
|
||||
if (existing) {
|
||||
existing.schema = existing.schema ?? table.schema;
|
||||
existing.alias = existing.alias ?? table.alias;
|
||||
existing.columns = existing.columns ?? table.columns;
|
||||
existing.semanticSourceId = existing.semanticSourceId ?? table.semanticSourceId;
|
||||
} else {
|
||||
merged.set(sourceReferenceKey(table), table);
|
||||
}
|
||||
}
|
||||
|
||||
return {
|
||||
...analysis,
|
||||
tables: [...merged.values()],
|
||||
};
|
||||
}
|
||||
|
||||
export function sqlSemanticCompletionReferenceTables(model: SqlSemanticModel): SqlCompletionReferencedTable[] {
|
||||
return sqlSemanticTableReferences(model).map((table) => ({
|
||||
name: table.name,
|
||||
schema: table.schema ?? undefined,
|
||||
alias: table.alias ?? undefined,
|
||||
columns: table.columns,
|
||||
}));
|
||||
}
|
||||
|
||||
export function resolveSqlSemanticNavigationTarget(model: SqlSemanticModel, identifierParts: readonly string[]): SqlSemanticNavigationTarget | null {
|
||||
if (model.cursorIntent.kind === "suppressed" || model.cursorIntent.confidence === "low" || identifierParts.length === 0) return null;
|
||||
const normalizedParts = identifierParts.map(normalized).filter(Boolean);
|
||||
const name = normalizedParts[normalizedParts.length - 1];
|
||||
const qualifier = normalizedParts.length > 1 ? normalizedParts[normalizedParts.length - 2] : undefined;
|
||||
|
||||
const source =
|
||||
model.rowSources.find((candidate) => {
|
||||
const candidateName = normalized(sourceTableName(candidate));
|
||||
const candidateAlias = normalized(candidate.alias);
|
||||
const candidateSchema = normalized(sourceSchema(candidate));
|
||||
if (qualifier) {
|
||||
if (candidateAlias && candidateAlias === qualifier) return true;
|
||||
return candidateName === name && (!candidateSchema || candidateSchema === qualifier);
|
||||
}
|
||||
return candidateName === name || candidateAlias === name;
|
||||
}) ?? null;
|
||||
|
||||
if (!source) return null;
|
||||
const schema = sourceSchema(source);
|
||||
return {
|
||||
name: sourceTableName(source),
|
||||
schema,
|
||||
alias: source.alias,
|
||||
columns: source.columns,
|
||||
source,
|
||||
};
|
||||
}
|
||||
@@ -0,0 +1,163 @@
|
||||
import type { SqlSemanticSpan, SqlSemanticToken } from "@/lib/sql/semantic/types";
|
||||
|
||||
const WORD_START = /[A-Za-z_@$#]/;
|
||||
const WORD_PART = /[A-Za-z0-9_@$#]/;
|
||||
|
||||
function token(kind: SqlSemanticToken["kind"], text: string, start: number, end: number, depth: number, quote?: string): SqlSemanticToken {
|
||||
return {
|
||||
kind,
|
||||
text,
|
||||
normalized: kind === "word" ? text.toLowerCase() : text,
|
||||
span: { start, end },
|
||||
depth,
|
||||
quote,
|
||||
};
|
||||
}
|
||||
|
||||
function readQuoted(input: string, start: number, open: string, close: string): number {
|
||||
let index = start + open.length;
|
||||
while (index < input.length) {
|
||||
if (input.startsWith(close, index)) {
|
||||
if (input.startsWith(close + close, index)) {
|
||||
index += close.length * 2;
|
||||
continue;
|
||||
}
|
||||
return index + close.length;
|
||||
}
|
||||
index += 1;
|
||||
}
|
||||
return input.length;
|
||||
}
|
||||
|
||||
export function tokenizeSqlSemantic(input: string): SqlSemanticToken[] {
|
||||
const tokens: SqlSemanticToken[] = [];
|
||||
let index = 0;
|
||||
let depth = 0;
|
||||
|
||||
while (index < input.length) {
|
||||
const start = index;
|
||||
const ch = input[index] ?? "";
|
||||
const next = input[index + 1] ?? "";
|
||||
|
||||
if (/\s/.test(ch)) {
|
||||
index += 1;
|
||||
continue;
|
||||
}
|
||||
|
||||
if (ch === "-" && next === "-") {
|
||||
index += 2;
|
||||
while (index < input.length && input[index] !== "\n" && input[index] !== "\r") index += 1;
|
||||
tokens.push(token("comment", input.slice(start, index), start, index, depth));
|
||||
continue;
|
||||
}
|
||||
|
||||
if (ch === "#") {
|
||||
index += 1;
|
||||
while (index < input.length && input[index] !== "\n" && input[index] !== "\r") index += 1;
|
||||
tokens.push(token("comment", input.slice(start, index), start, index, depth));
|
||||
continue;
|
||||
}
|
||||
|
||||
if (ch === "/" && next === "*") {
|
||||
index += 2;
|
||||
while (index < input.length && !(input[index] === "*" && input[index + 1] === "/")) index += 1;
|
||||
index = Math.min(input.length, index + (index < input.length ? 2 : 0));
|
||||
tokens.push(token("comment", input.slice(start, index), start, index, depth));
|
||||
continue;
|
||||
}
|
||||
|
||||
if (ch === "'") {
|
||||
index = readQuoted(input, start, "'", "'");
|
||||
tokens.push(token("string", input.slice(start, index), start, index, depth, "'"));
|
||||
continue;
|
||||
}
|
||||
|
||||
if (ch === '"') {
|
||||
index = readQuoted(input, start, '"', '"');
|
||||
tokens.push(token("quoted_identifier", input.slice(start, index), start, index, depth, '"'));
|
||||
continue;
|
||||
}
|
||||
|
||||
if (ch === "`") {
|
||||
index = readQuoted(input, start, "`", "`");
|
||||
tokens.push(token("quoted_identifier", input.slice(start, index), start, index, depth, "`"));
|
||||
continue;
|
||||
}
|
||||
|
||||
if (ch === "[") {
|
||||
index = readQuoted(input, start, "[", "]");
|
||||
tokens.push(token("quoted_identifier", input.slice(start, index), start, index, depth, "["));
|
||||
continue;
|
||||
}
|
||||
|
||||
if (ch === ":" || ch === "?") {
|
||||
index += 1;
|
||||
while (index < input.length && WORD_PART.test(input[index] ?? "")) index += 1;
|
||||
tokens.push(token("parameter", input.slice(start, index), start, index, depth));
|
||||
continue;
|
||||
}
|
||||
|
||||
if (/[0-9]/.test(ch)) {
|
||||
index += 1;
|
||||
while (index < input.length && /[0-9.]/.test(input[index] ?? "")) index += 1;
|
||||
tokens.push(token("number", input.slice(start, index), start, index, depth));
|
||||
continue;
|
||||
}
|
||||
|
||||
if (WORD_START.test(ch)) {
|
||||
index += 1;
|
||||
while (index < input.length && WORD_PART.test(input[index] ?? "")) index += 1;
|
||||
tokens.push(token("word", input.slice(start, index), start, index, depth));
|
||||
continue;
|
||||
}
|
||||
|
||||
if ("(),.;*".includes(ch)) {
|
||||
if (ch === ")") depth = Math.max(0, depth - 1);
|
||||
tokens.push(token("punctuation", ch, start, start + 1, depth));
|
||||
if (ch === "(") depth += 1;
|
||||
index += 1;
|
||||
continue;
|
||||
}
|
||||
|
||||
index += 1;
|
||||
tokens.push(token("operator", ch, start, index, depth));
|
||||
}
|
||||
|
||||
return tokens;
|
||||
}
|
||||
|
||||
export function tokenContainsPosition(tokenValue: SqlSemanticToken, position: number): boolean {
|
||||
return tokenValue.span.start <= position && position <= tokenValue.span.end;
|
||||
}
|
||||
|
||||
export function isSuppressedSqlSemanticContext(tokens: readonly SqlSemanticToken[], cursor: number): boolean {
|
||||
return tokens.some((item) => (item.kind === "comment" || item.kind === "string") && item.span.start < cursor && cursor <= item.span.end);
|
||||
}
|
||||
|
||||
export function findActiveSqlStatementSpan(sql: string, tokens: readonly SqlSemanticToken[], cursor: number): SqlSemanticSpan {
|
||||
let start = 0;
|
||||
let end = sql.length;
|
||||
for (const item of tokens) {
|
||||
if (item.kind !== "punctuation" || item.text !== ";" || item.depth !== 0) continue;
|
||||
if (item.span.end <= cursor) start = item.span.end;
|
||||
if (item.span.start >= cursor) {
|
||||
end = item.span.start;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
while (start < end && /\s/.test(sql[start] ?? "")) start += 1;
|
||||
while (end > start && /\s/.test(sql[end - 1] ?? "")) end -= 1;
|
||||
return { start, end };
|
||||
}
|
||||
|
||||
export function unquoteSqlSemanticIdentifier(tokenValue: SqlSemanticToken): string {
|
||||
if (tokenValue.kind !== "quoted_identifier") return tokenValue.text;
|
||||
if (tokenValue.quote === "[") return tokenValue.text.slice(1, -1).replaceAll("]]", "]");
|
||||
const quote = tokenValue.quote ?? tokenValue.text[0] ?? "";
|
||||
return tokenValue.text.slice(1, -1).replaceAll(quote + quote, quote);
|
||||
}
|
||||
|
||||
export function tokenIsIdentifier(tokenValue: SqlSemanticToken | undefined): tokenValue is SqlSemanticToken {
|
||||
return !!tokenValue && (tokenValue.kind === "word" || tokenValue.kind === "quoted_identifier");
|
||||
}
|
||||
@@ -0,0 +1,130 @@
|
||||
import type { DatabaseType } from "@/types/database";
|
||||
|
||||
export interface SqlSemanticSpan {
|
||||
start: number;
|
||||
end: number;
|
||||
}
|
||||
|
||||
export type SqlSemanticConfidence = "high" | "medium" | "low";
|
||||
|
||||
export type SqlSemanticStatementKind = "select" | "insert" | "update" | "delete" | "call" | "unknown";
|
||||
|
||||
export type SqlSemanticTokenKind = "word" | "quoted_identifier" | "string" | "number" | "comment" | "parameter" | "punctuation" | "operator";
|
||||
|
||||
export interface SqlSemanticToken {
|
||||
kind: SqlSemanticTokenKind;
|
||||
text: string;
|
||||
normalized: string;
|
||||
span: SqlSemanticSpan;
|
||||
depth: number;
|
||||
quote?: string;
|
||||
}
|
||||
|
||||
export interface SqlSemanticIdentifierPart {
|
||||
raw: string;
|
||||
name: string;
|
||||
span: SqlSemanticSpan;
|
||||
quote?: string;
|
||||
}
|
||||
|
||||
export interface SqlSemanticQualifiedName {
|
||||
parts: SqlSemanticIdentifierPart[];
|
||||
span: SqlSemanticSpan;
|
||||
}
|
||||
|
||||
export type SqlSemanticRowSourceKind = "table" | "cte" | "subquery" | "table_function" | "mutation_target" | "unknown";
|
||||
|
||||
export interface SqlSemanticMetadataTarget {
|
||||
database?: string;
|
||||
schema?: string;
|
||||
table?: string;
|
||||
packageName?: string;
|
||||
}
|
||||
|
||||
export interface SqlSemanticProjection {
|
||||
name: string;
|
||||
sourceExpression: string;
|
||||
span: SqlSemanticSpan;
|
||||
alias?: string;
|
||||
aliasSpan?: SqlSemanticSpan;
|
||||
}
|
||||
|
||||
export interface SqlSemanticRowSource {
|
||||
id: string;
|
||||
kind: SqlSemanticRowSourceKind;
|
||||
name: string;
|
||||
qualifiedName?: SqlSemanticQualifiedName;
|
||||
qualifierParts: string[];
|
||||
alias?: string;
|
||||
aliasSpan?: SqlSemanticSpan;
|
||||
sourceSpan: SqlSemanticSpan;
|
||||
columns?: string[];
|
||||
metadataTarget?: SqlSemanticMetadataTarget;
|
||||
unresolved?: boolean;
|
||||
}
|
||||
|
||||
export interface SqlSemanticClauseSpans {
|
||||
select?: SqlSemanticSpan;
|
||||
from?: SqlSemanticSpan;
|
||||
where?: SqlSemanticSpan;
|
||||
groupBy?: SqlSemanticSpan;
|
||||
having?: SqlSemanticSpan;
|
||||
orderBy?: SqlSemanticSpan;
|
||||
limit?: SqlSemanticSpan;
|
||||
insertColumns?: SqlSemanticSpan;
|
||||
updateSet?: SqlSemanticSpan;
|
||||
}
|
||||
|
||||
export interface SqlSemanticScope {
|
||||
id: string;
|
||||
kind: SqlSemanticStatementKind | "subquery" | "cte";
|
||||
span: SqlSemanticSpan;
|
||||
parentId?: string;
|
||||
rowSources: SqlSemanticRowSource[];
|
||||
projections: SqlSemanticProjection[];
|
||||
clauseSpans: SqlSemanticClauseSpans;
|
||||
}
|
||||
|
||||
export type SqlSemanticCursorKind = "table" | "schema" | "catalog" | "routine" | "column" | "alias_column" | "insert_column" | "update_column" | "delete_target" | "join_condition" | "star" | "keyword" | "suppressed";
|
||||
|
||||
export interface SqlSemanticCursorIntent {
|
||||
kind: SqlSemanticCursorKind;
|
||||
prefix: string;
|
||||
replacementRange: SqlSemanticSpan;
|
||||
qualifierParts: string[];
|
||||
targetSourceId?: string;
|
||||
expectedObjectKinds: Array<"database" | "schema" | "table" | "view" | "routine" | "procedure" | "function" | "column">;
|
||||
confidence: SqlSemanticConfidence;
|
||||
fallbackReason?: string;
|
||||
}
|
||||
|
||||
export interface SqlSemanticStatement {
|
||||
kind: SqlSemanticStatementKind;
|
||||
span: SqlSemanticSpan;
|
||||
text: string;
|
||||
}
|
||||
|
||||
export interface SqlSemanticDiagnostic {
|
||||
message: string;
|
||||
span: SqlSemanticSpan;
|
||||
severity: "info" | "warning" | "error";
|
||||
}
|
||||
|
||||
export interface SqlSemanticModel {
|
||||
databaseType?: DatabaseType;
|
||||
dialectId: string;
|
||||
sql: string;
|
||||
cursor: number;
|
||||
statement: SqlSemanticStatement;
|
||||
tokens: SqlSemanticToken[];
|
||||
scopes: SqlSemanticScope[];
|
||||
rowSources: SqlSemanticRowSource[];
|
||||
projections: SqlSemanticProjection[];
|
||||
cursorIntent: SqlSemanticCursorIntent;
|
||||
diagnostics: SqlSemanticDiagnostic[];
|
||||
}
|
||||
|
||||
export interface SqlSemanticBuildOptions {
|
||||
databaseType?: DatabaseType;
|
||||
dialect?: "mysql" | "postgres" | "sqlserver";
|
||||
}
|
||||
Reference in new issue
Block a user