fix(completion): isolate aliases across SQL statements

This commit is contained in:
zipg authored and GitHub committed 2026-07-28 21:08:24 +08:00
1 parent 88721925f2
commit d24cd98776
6 files changed
+114 -104

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@@ -199,7 +199,7 @@ export function areSqlSemanticDiagnosticsEqual(left: readonly SqlSemanticDiagnos
export function shouldRunSqlSemanticDiagnostics(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);
const context = getSqlCompletionContext(sql, cursor, options);
if (context.exclusiveColumnSuggestions) return false;
if (context.qualifier) return false;
if ((context.suggestTables || context.exclusiveTableSuggestions) && isCursorAfterTableTrigger(sql, cursor)) return false;
@@ -208,7 +208,7 @@ export function shouldRunSqlSemanticDiagnostics(sql: string, cursor: number, opt
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);
const context = getSqlCompletionContext(sql, cursor, options);
return context.exclusiveColumnSuggestions || !!context.qualifier || ((context.suggestTables || context.exclusiveTableSuggestions) && isCursorAfterTableTrigger(sql, cursor));
}
+7 -1
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@@ -58,6 +58,12 @@ export function tokenizeSqlSemantic(input: string, dialectId = "mysql"): SqlSema
continue;
}
if (ch === "#" && dialectId === "postgres") {
index += 1;
tokens.push(token("operator", ch, start, index, depth));
continue;
}
if (ch === "/" && next === "*") {
index += 2;
while (index < input.length && !(input[index] === "*" && input[index + 1] === "/")) index += 1;
@@ -116,7 +122,7 @@ export function tokenizeSqlSemantic(input: string, dialectId = "mysql"): SqlSema
if (WORD_START.test(ch)) {
index += 1;
while (index < input.length && WORD_PART.test(input[index] ?? "")) index += 1;
while (index < input.length && WORD_PART.test(input[index] ?? "") && !(dialectId === "postgres" && input[index] === "#")) index += 1;
tokens.push(token("word", input.slice(start, index), start, index, depth));
continue;
}
+29 -76
View File
@@ -3,6 +3,9 @@ import type { DatabaseType, SqlSnippet } from "@/types/database";
import { buildMongoCompletionItemsFromContext, type MongoCompletionItem } from "@/lib/mongo/mongoCompletion";
import { CLOUDFLARE_D1_COMMON_FUNCTION_NAMES } from "@/lib/sql/cloudflareD1";
import type { SqlObjectNavigationType } from "@/lib/sql/sqlNavigation";
import { sqlSemanticDialectFor } from "@/lib/sql/semantic/dialect";
import { findActiveSqlStatementSpan, tokenizeSqlSemantic } from "@/lib/sql/semantic/tokens";
import type { SqlSemanticBuildOptions, SqlSemanticSpan } from "@/lib/sql/semantic/types";
import { DEFAULT_SQL_SNIPPETS, MANTICORESEARCH_SQL_SNIPPETS, resolveSqlSnippetBodyForDatabase } from "@/lib/sql/sqlSnippetTemplates";
export { DEFAULT_SQL_SNIPPETS, resolveSqlSnippetBodyForDatabase } from "@/lib/sql/sqlSnippetTemplates";
@@ -1303,7 +1306,7 @@ export function buildSqlCompletionItems(
},
): SqlCompletionItem[] {
if (isSqlCompletionSuppressedContext(sql, cursor)) return [];
const context = getSqlCompletionContext(sql, cursor);
const context = getSqlCompletionContext(sql, cursor, input);
return buildSqlCompletionItemsFromContext(context, input);
}
@@ -1433,14 +1436,14 @@ class SqlCompletionProvider {
}
}
export function shouldAutoOpenSqlCompletion(sql: string, cursor: number): boolean {
export function shouldAutoOpenSqlCompletion(sql: string, cursor: number, options: SqlSemanticBuildOptions = {}): boolean {
if (isSqlCompletionSuppressedContext(sql, cursor)) return false;
const previousChar = sql[cursor - 1];
if (!previousChar) return false;
if (/\bon\s+$/i.test(sql.slice(0, cursor))) return true;
if (isAfterJoinModifierContext(sql.slice(0, cursor))) return true;
if (/\bcall\s+(?:[A-Za-z_][\w$]*\.)?$/i.test(sql.slice(0, cursor))) return true;
const context = getSqlCompletionContext(sql, cursor);
const context = getSqlCompletionContext(sql, cursor, options);
if (previousChar === "(" && context.insertTable) return true;
if (/[,;()[\]]/.test(previousChar)) return false;
if (context.exclusiveTableSuggestions || context.exclusiveRoutineSuggestions || context.suggestTables) {
@@ -1559,17 +1562,25 @@ function getSqlLexicalContext(sql: string, cursor: number): { inLineComment: boo
};
}
export function isSqlLikeCompletionStatement(sql: string, cursor: number): boolean {
const statement = extractStatementAt(sql, cursor).trimStart();
export function isSqlLikeCompletionStatement(sql: string, cursor: number, options: SqlSemanticBuildOptions = {}): boolean {
const activeStatementSpan = activeSqlCompletionStatementSpan(sql, cursor, options);
const lineBlock = currentSqlLikeLineBlockSpan(sql, cursor, activeStatementSpan);
const statementSpan = lineBlock ?? activeStatementSpan;
const statement = sql.slice(statementSpan.start, statementSpan.end).trimStart();
if (/^(select|with)\b/i.test(statement)) return true;
return currentLineBlockStartsSql(sql, cursor);
return lineBlock != null;
}
function currentLineBlockStartsSql(sql: string, cursor: number): boolean {
return currentSqlLikeLineBlockSpan(sql, cursor) != null;
function activeSqlCompletionStatementSpan(sql: string, cursor: number, options: SqlSemanticBuildOptions): SqlSemanticSpan {
const safeCursor = Math.max(0, Math.min(cursor, sql.length));
const dialectId = options.databaseType || options.dialect ? sqlSemanticDialectFor(options).id : "mysql";
const tokens = tokenizeSqlSemantic(sql, dialectId);
const statementSpan = findActiveSqlStatementSpan(sql, tokens, safeCursor);
const firstStatementToken = tokens.find((token) => token.kind !== "comment" && token.span.end > statementSpan.start && token.span.start < statementSpan.end);
return firstStatementToken ? { start: firstStatementToken.span.start, end: statementSpan.end } : statementSpan;
}
function currentSqlLikeLineBlockSpan(sql: string, cursor: number): { start: number; end: number } | null {
function currentSqlLikeLineBlockSpan(sql: string, cursor: number, activeStatementSpan: SqlSemanticSpan): SqlSemanticSpan | null {
const safeCursor = Math.max(0, Math.min(cursor, sql.length));
const beforeCursor = sql.slice(0, safeCursor);
const lines = beforeCursor.split(/\r?\n/);
@@ -1587,24 +1598,10 @@ function currentSqlLikeLineBlockSpan(sql: string, cursor: number): { start: numb
}
if (start == null) return null;
let end = sql.length;
let inSingleQuote = false;
let inDoubleQuote = false;
for (let index = start; index < sql.length; index += 1) {
const ch = sql[index];
if (ch === "'" && !inDoubleQuote) inSingleQuote = !inSingleQuote;
else if (ch === '"' && !inSingleQuote) inDoubleQuote = !inDoubleQuote;
else if (ch === ";" && !inSingleQuote && !inDoubleQuote && index >= safeCursor) {
end = index;
break;
}
}
if (activeStatementSpan.start > start) return null;
const blockEnd = currentLineBlockEnd(sql, safeCursor, start);
if (blockEnd != null) end = Math.min(end, blockEnd);
return { start, end };
return { start, end: blockEnd == null ? activeStatementSpan.end : Math.min(activeStatementSpan.end, blockEnd) };
}
function currentLineBlockEnd(sql: string, cursor: number, start: number): number | null {
@@ -1650,53 +1647,9 @@ export function getSqlFunctionSignatureHelp(sql: string, cursor: number, databas
};
}
/**
* Find the start position of the SQL statement containing the cursor.
* Respects semicolons and string literals.
*/
function extractStatementStart(sql: string, cursor: number): number {
const lineBlock = currentSqlLikeLineBlockSpan(sql, cursor);
if (lineBlock) return lineBlock.start;
let start = 0;
let inSingleQuote = false;
let inDoubleQuote = false;
for (let i = 0; i < sql.length; i++) {
const ch = sql[i];
if (ch === "'" && !inDoubleQuote) inSingleQuote = !inSingleQuote;
else if (ch === '"' && !inSingleQuote) inDoubleQuote = !inDoubleQuote;
else if (ch === ";" && !inSingleQuote && !inDoubleQuote) {
if (i < cursor) {
start = i + 1;
while (start < sql.length && /\s/.test(sql[start])) start++;
}
}
}
return start;
}
/**
* Extract the full SQL statement that contains the cursor position.
* Respects semicolons and string literals.
*/
function extractStatementAt(sql: string, cursor: number): string {
const lineBlock = currentSqlLikeLineBlockSpan(sql, cursor);
if (lineBlock) return sql.slice(lineBlock.start, lineBlock.end).trim();
const start = extractStatementStart(sql, cursor);
let end = sql.length;
let inSingleQuote = false;
let inDoubleQuote = false;
for (let i = start; i < sql.length; i++) {
const ch = sql[i];
if (ch === "'" && !inDoubleQuote) inSingleQuote = !inSingleQuote;
else if (ch === '"' && !inSingleQuote) inDoubleQuote = !inDoubleQuote;
else if (ch === ";" && !inSingleQuote && !inDoubleQuote && i >= cursor) {
end = i;
break;
}
}
return sql.slice(start, end).trim();
function sqlCompletionStatementSpan(sql: string, cursor: number, options: SqlSemanticBuildOptions): SqlSemanticSpan {
const activeStatementSpan = activeSqlCompletionStatementSpan(sql, cursor, options);
return currentSqlLikeLineBlockSpan(sql, cursor, activeStatementSpan) ?? activeStatementSpan;
}
function detectStatementKind(previousStatements: string): SqlStatementKind {
@@ -1767,13 +1720,13 @@ function skipSqlWhitespaceAndComments(sql: string, pos: number): number {
}
}
export function getSqlCompletionContext(sql: string, cursor: number): SqlCompletionContext {
export function getSqlCompletionContext(sql: string, cursor: number, options: SqlSemanticBuildOptions = {}): SqlCompletionContext {
const statementSpan = sqlCompletionStatementSpan(sql, cursor, options);
// Extract the full statement at cursor position for referenced tables
const fullStatement = extractStatementAt(sql, cursor);
const fullStatement = sql.slice(statementSpan.start, statementSpan.end).trim();
// Content before cursor within the current statement
const stmtStart = extractStatementStart(sql, cursor);
const beforeCursor = sql.slice(stmtStart, cursor);
const beforeCursor = sql.slice(statementSpan.start, cursor);
const trailingIdentifier = parseTrailingIdentifierContext(beforeCursor);
const prefix = trailingIdentifier?.prefix ?? "";