mirror of
https://github.com/t8y2/dbx.git
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dac97b83a6
* fix(ui): toast 消息支持换行显示 - 添加 max-w-3xl 限制最大宽度 - 使用 whitespace-pre-wrap 允许自动换行 - 添加 break-words 防止长单词溢出 * feat(editor): 单条 SQL 直接执行 --------- Co-authored-by: t8y2 <1156263951@qq.com> Co-authored-by: staff <staff@qimaos-MacBook-Pro.local>
867 lines
23 KiB
TypeScript
867 lines
23 KiB
TypeScript
import type { SqlExecutionCandidate } from "./sqlExecutionTarget";
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import type { DatabaseType } from "@/types/database";
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/**
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* A contiguous range of SQL text expressed as document offsets plus the
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* extracted (original) substring.
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*/
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export interface SqlTextRange {
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from: number;
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to: number;
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sql: string;
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}
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const NON_SQL_EXECUTION_TARGET_TYPES: ReadonlySet<DatabaseType> = new Set(["mongodb", "elasticsearch", "qdrant", "milvus", "etcd", "mq", "neo4j"]);
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export function supportsExecutionTargetPicker(databaseType?: DatabaseType): boolean {
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return !!databaseType && (databaseType === "redis" || !NON_SQL_EXECUTION_TARGET_TYPES.has(databaseType));
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}
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export function hasMultipleExecutionTargets(sql: string, databaseType?: DatabaseType): boolean {
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if (databaseType === "redis") {
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return redisExecutableCommandCount(sql) > 1;
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}
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return splitSqlStatementRanges(sql).length > 1;
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}
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interface RawStatement {
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/** Start offset (inclusive) of whitespace that can still target this statement. */
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hitFrom: number;
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/** Start offset (inclusive) of the statement's first non-whitespace char. */
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from: number;
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/** End offset (exclusive) — up to and excluding the terminating semicolon. */
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to: number;
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/** The statement text, sliced from the source document. */
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sql: string;
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}
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type QuoteState = "none" | "single" | "double" | "backtick" | "bracket" | "dollar";
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const COMMON_SOFT_STATEMENT_START_KEYWORDS = [
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"SELECT",
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"WITH",
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"CREATE",
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"ALTER",
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"DROP",
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"INSERT",
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"UPDATE",
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"DELETE",
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"MERGE",
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"REPLACE",
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"TRUNCATE",
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"GRANT",
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"REVOKE",
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"COMMENT",
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"EXPLAIN",
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"SHOW",
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"DESCRIBE",
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"DESC",
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"USE",
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"SET",
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"CALL",
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"EXEC",
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"EXECUTE",
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"BEGIN",
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"COMMIT",
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"ROLLBACK",
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"DECLARE",
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"ANALYZE",
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"VACUUM",
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"PRAGMA",
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"REFRESH",
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"COPY",
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] as const;
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const DATABASE_SOFT_STATEMENT_KEYWORDS: Partial<Record<DatabaseType, readonly string[]>> = {
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mysql: ["HANDLER", "LOAD", "OPTIMIZE", "REPAIR"],
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postgres: ["DO", "LISTEN", "NOTIFY", "UNLISTEN"],
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sqlite: ["ATTACH", "DETACH", "REINDEX"],
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duckdb: ["ATTACH", "DETACH", "EXPORT", "IMPORT", "INSTALL", "LOAD"],
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clickhouse: ["ATTACH", "CHECK", "DETACH", "EXCHANGE", "KILL", "OPTIMIZE", "SYSTEM"],
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sqlserver: ["BACKUP", "DBCC", "DENY", "RESTORE"],
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oracle: ["FLASHBACK", "LOCK", "PURGE"],
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dameng: ["FLASHBACK", "LOCK", "PURGE"],
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gaussdb: ["DO", "LOCK"],
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"oceanbase-oracle": ["FLASHBACK", "LOCK", "PURGE"],
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redis: [],
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mongodb: [],
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elasticsearch: [],
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qdrant: [],
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milvus: [],
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mq: [],
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etcd: [],
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};
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const WITH_MAIN_STATEMENT_KEYWORDS = new Set(["SELECT", "INSERT", "UPDATE", "DELETE", "MERGE"]);
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const EXPLAIN_STATEMENT_KEYWORDS = new Set(["SELECT", "WITH", "INSERT", "UPDATE", "DELETE", "MERGE", "CREATE", "ALTER", "DROP"]);
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const CREATE_BODY_KEYWORDS = new Set(["SELECT", "WITH", "BEGIN", "DECLARE"]);
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const INSERT_BODY_KEYWORDS = new Set(["SELECT", "WITH"]);
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/**
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* Parse the SQL document into top-level statement ranges delimited by `;`.
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*
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* Delimiters inside string literals, double/backtick/bracket quoted
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* identifiers, dollar-quoted bodies (Postgres), line comments (`--`, `#`) and
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* block comments (`/* */`) are ignored, mirroring the backend splitter in
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* `dbx-core/src/sql.rs`. Ranges are returned as `[from, to)` offsets covering
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* only the statement text (the trailing semicolon and inter-statement
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* whitespace are excluded so editor highlights stay tight).
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*/
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export function splitSqlStatementRanges(sql: string): RawStatement[] {
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const statements: RawStatement[] = [];
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const len = sql.length;
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let statementStart = -1;
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let statementEnd = -1;
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let statementHitStart = 0;
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let state: QuoteState = "none";
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let dollarTag = "";
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let i = 0;
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const isWhitespace = (ch: string) => ch === " " || ch === "\t" || ch === "\r" || ch === "\n";
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const markContent = (pos: number) => {
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if (statementStart === -1) statementStart = pos;
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statementEnd = pos + 1;
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};
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const flush = () => {
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if (statementStart !== -1 && statementEnd !== -1 && statementEnd > statementStart) {
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statements.push({ hitFrom: statementHitStart, from: statementStart, to: statementEnd, sql: sql.slice(statementStart, statementEnd) });
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}
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statementStart = -1;
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statementEnd = -1;
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};
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while (i < len) {
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const ch = sql[i];
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const next = sql[i + 1] ?? "";
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if (state === "dollar") {
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// Inside a Postgres dollar-quoted body; look for the closing $tag$.
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if (ch === "$") {
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const closingTag = `$${dollarTag}$`;
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if (sql.startsWith(closingTag, i)) {
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markContent(i);
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for (let k = 0; k < closingTag.length; k += 1) {
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markContent(i + k);
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}
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i += closingTag.length;
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state = "none";
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dollarTag = "";
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continue;
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}
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}
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markContent(i);
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i += 1;
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continue;
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}
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if (state === "single") {
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markContent(i);
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// Backslash escapes the next char (e.g. PostgreSQL standard_conforming_strings=off style).
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if (ch === "\\" && next) {
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i += 2;
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continue;
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}
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if (ch === "'") {
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// Doubled single quote '' is an escaped quote, not a terminator.
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if (next === "'") {
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i += 2;
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continue;
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}
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state = "none";
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}
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i += 1;
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continue;
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}
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if (state === "double") {
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markContent(i);
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if (ch === '"') {
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if (next === '"') {
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i += 2;
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continue;
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}
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state = "none";
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}
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i += 1;
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continue;
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}
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if (state === "backtick") {
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markContent(i);
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if (ch === "`") {
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if (next === "`") {
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i += 2;
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continue;
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}
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state = "none";
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}
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i += 1;
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continue;
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}
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if (state === "bracket") {
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markContent(i);
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if (ch === "]") {
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state = "none";
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}
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i += 1;
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continue;
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}
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// state === "none"
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// Line comments consume up to (and including) the newline.
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if (ch === "-" && next === "-") {
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const newline = sql.indexOf("\n", i);
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i = newline === -1 ? len : newline + 1;
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continue;
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}
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if (ch === "#") {
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const newline = sql.indexOf("\n", i);
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i = newline === -1 ? len : newline + 1;
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continue;
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}
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// Block comments consume until the closing */.
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if (ch === "/" && next === "*") {
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const close = sql.indexOf("*/", i + 2);
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i = close === -1 ? len : close + 2;
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continue;
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}
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if (ch === "'") {
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markContent(i);
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state = "single";
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i += 1;
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continue;
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}
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if (ch === '"') {
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markContent(i);
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state = "double";
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i += 1;
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continue;
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}
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if (ch === "`") {
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markContent(i);
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state = "backtick";
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i += 1;
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continue;
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}
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if (ch === "[") {
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markContent(i);
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state = "bracket";
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i += 1;
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continue;
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}
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// Postgres dollar quoting: $tag$ ... $tag$ (tag may be empty, i.e. $$)
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if (ch === "$") {
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const tagMatch = /^\$[A-Za-z_0-9]*\$/.exec(sql.slice(i));
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if (tagMatch) {
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markContent(i);
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dollarTag = tagMatch[0].slice(1, -1);
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i += tagMatch[0].length;
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state = "dollar";
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continue;
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}
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}
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if (ch === ";") {
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flush();
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statementHitStart = i + 1;
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i += 1;
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continue;
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}
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if (!isWhitespace(ch)) {
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markContent(i);
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}
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i += 1;
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}
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// Flush any trailing statement that lacks a terminating semicolon.
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flush();
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return statements;
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}
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/**
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* Returns the statement that contains `cursorPos`, or `null` when the cursor
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* sits on a blank line or no statement can be resolved.
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*
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* The returned range covers only the statement's own text (no trailing `;`),
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* which lets the editor highlight a tight preview range.
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*/
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export function statementRangeAtCursor(sql: string, cursorPos: number, databaseType?: DatabaseType): SqlTextRange | null {
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const pos = clampCursor(sql, cursorPos);
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if (isCursorOnBlankLine(sql, pos)) return null;
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const statements = splitSqlStatementRanges(sql);
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for (let index = 0; index < statements.length; index += 1) {
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const statement = statements[index];
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const softRanges = splitStatementRangeAtSoftStarts(sql, statement, databaseType);
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// Cursor inside the statement body, including the exact start/end.
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if (pos >= statement.from && pos <= statement.to) {
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return rangeForCursorInSoftRanges(sql, softRanges, pos) ?? rangeFor(statement, sql);
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}
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// Cursor in indentation or inter-statement whitespace immediately before
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// the statement should still target that statement, while the returned
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// execution range remains tight around the SQL text itself.
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if (pos >= statement.hitFrom && pos < statement.from && sql.slice(pos, statement.from).trim() === "") {
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return rangeForCursorInSoftRanges(sql, softRanges, pos) ?? rangeFor(statement, sql);
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}
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const next = statements[index + 1];
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if (pos > statement.to && (!next || pos < next.hitFrom) && isCursorOnStatementLine(sql, pos, statement)) {
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return rangeForCursorInSoftRanges(sql, softRanges, pos) ?? rangeFor(statement, sql);
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}
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}
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return null;
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}
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function rangeForCursorInSoftRanges(sql: string, ranges: RawStatement[], pos: number): SqlTextRange | null {
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for (let index = 0; index < ranges.length; index += 1) {
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const range = ranges[index];
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if (pos >= range.from && pos <= range.to) {
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return rangeFor(range, sql);
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}
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if (pos >= range.hitFrom && pos < range.from && sql.slice(pos, range.from).trim() === "") {
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return rangeFor(range, sql);
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}
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const next = ranges[index + 1];
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if (pos > range.to && (!next || pos < next.hitFrom) && isCursorOnStatementLine(sql, pos, range)) {
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return rangeFor(range, sql);
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}
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}
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return null;
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}
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function splitStatementRangeAtSoftStarts(sql: string, statement: RawStatement, databaseType?: DatabaseType): RawStatement[] {
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const lineStarts = topLevelSoftStatementLineStarts(sql, statement, databaseType);
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if (lineStarts.length <= 1) return [statement];
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const boundaries: Array<{ hitFrom: number; from: number; keyword: string }> = [];
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let currentKeyword = softStatementKeywordAt(sql, statement.from, databaseType);
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let consumedWithMainStatement = false;
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let consumedExplainStatement = false;
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boundaries.push({ hitFrom: statement.hitFrom, from: statement.from, keyword: currentKeyword ?? "" });
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for (const lineStart of lineStarts) {
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if (lineStart.from <= statement.from) continue;
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if (currentKeyword === "WITH" && !consumedWithMainStatement && WITH_MAIN_STATEMENT_KEYWORDS.has(lineStart.keyword)) {
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consumedWithMainStatement = true;
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continue;
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}
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if (currentKeyword === "EXPLAIN" && !consumedExplainStatement && EXPLAIN_STATEMENT_KEYWORDS.has(lineStart.keyword)) {
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consumedExplainStatement = true;
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continue;
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}
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if (currentKeyword === "CREATE" && CREATE_BODY_KEYWORDS.has(lineStart.keyword)) {
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continue;
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}
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if (currentKeyword === "INSERT" && INSERT_BODY_KEYWORDS.has(lineStart.keyword)) {
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continue;
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}
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if (currentKeyword === "UPDATE" && lineStart.keyword === "SET") {
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continue;
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}
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boundaries.push(lineStart);
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currentKeyword = lineStart.keyword;
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consumedWithMainStatement = false;
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consumedExplainStatement = false;
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}
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if (boundaries.length <= 1) return [statement];
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const ranges: RawStatement[] = [];
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for (let index = 0; index < boundaries.length; index += 1) {
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const boundary = boundaries[index];
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const next = boundaries[index + 1];
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const to = next ? trimRangeEndBeforeNextBoundary(sql, boundary.from, next.from) : trimRangeEnd(sql, boundary.from, statement.to);
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if (to > boundary.from) {
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ranges.push({
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hitFrom: boundary.hitFrom,
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from: boundary.from,
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to,
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sql: sql.slice(boundary.from, to),
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});
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}
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}
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return ranges.length > 0 ? ranges : [statement];
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}
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function topLevelSoftStatementLineStarts(sql: string, statement: RawStatement, databaseType?: DatabaseType): Array<{ hitFrom: number; from: number; keyword: string }> {
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const starts: Array<{ hitFrom: number; from: number; keyword: string }> = [];
|
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const len = statement.to;
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let state: QuoteState | "lineComment" | "blockComment" = "none";
|
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let dollarTag = "";
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let parenDepth = 0;
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let lineStart = statement.from;
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let firstNonWhitespaceOnLine = -1;
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let i = statement.from;
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|
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while (i < len) {
|
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const ch = sql[i];
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const next = sql[i + 1] ?? "";
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||
|
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if (state === "none" && firstNonWhitespaceOnLine === -1 && ch !== "\n" && ch !== "\r" && !isSqlWhitespace(ch) && !startsLineComment(sql, i) && !startsBlockComment(sql, i)) {
|
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firstNonWhitespaceOnLine = i;
|
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if (parenDepth === 0) {
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const keyword = softStatementKeywordAt(sql, i, databaseType);
|
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if (keyword) {
|
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starts.push({ hitFrom: lineStart, from: i, keyword });
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}
|
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}
|
||
}
|
||
|
||
if (ch === "\n") {
|
||
if (state === "lineComment") state = "none";
|
||
lineStart = i + 1;
|
||
firstNonWhitespaceOnLine = -1;
|
||
i += 1;
|
||
continue;
|
||
}
|
||
|
||
if (state === "lineComment") {
|
||
i += 1;
|
||
continue;
|
||
}
|
||
|
||
if (state === "blockComment") {
|
||
if (ch === "*" && next === "/") {
|
||
state = "none";
|
||
i += 2;
|
||
continue;
|
||
}
|
||
i += 1;
|
||
continue;
|
||
}
|
||
|
||
if (state === "dollar") {
|
||
if (ch === "$") {
|
||
const closingTag = `$${dollarTag}$`;
|
||
if (sql.startsWith(closingTag, i)) {
|
||
i += closingTag.length;
|
||
state = "none";
|
||
dollarTag = "";
|
||
continue;
|
||
}
|
||
}
|
||
i += 1;
|
||
continue;
|
||
}
|
||
|
||
if (state === "single") {
|
||
if (ch === "\\" && next) {
|
||
i += 2;
|
||
continue;
|
||
}
|
||
if (ch === "'") {
|
||
if (next === "'") {
|
||
i += 2;
|
||
continue;
|
||
}
|
||
state = "none";
|
||
}
|
||
i += 1;
|
||
continue;
|
||
}
|
||
|
||
if (state === "double") {
|
||
if (ch === '"') {
|
||
if (next === '"') {
|
||
i += 2;
|
||
continue;
|
||
}
|
||
state = "none";
|
||
}
|
||
i += 1;
|
||
continue;
|
||
}
|
||
|
||
if (state === "backtick") {
|
||
if (ch === "`") {
|
||
if (next === "`") {
|
||
i += 2;
|
||
continue;
|
||
}
|
||
state = "none";
|
||
}
|
||
i += 1;
|
||
continue;
|
||
}
|
||
|
||
if (state === "bracket") {
|
||
if (ch === "]") state = "none";
|
||
i += 1;
|
||
continue;
|
||
}
|
||
|
||
// state === "none"
|
||
if (ch === "-" && next === "-") {
|
||
state = "lineComment";
|
||
i += 2;
|
||
continue;
|
||
}
|
||
if (ch === "#") {
|
||
state = "lineComment";
|
||
i += 1;
|
||
continue;
|
||
}
|
||
if (ch === "/" && next === "*") {
|
||
state = "blockComment";
|
||
i += 2;
|
||
continue;
|
||
}
|
||
if (ch === "'") {
|
||
state = "single";
|
||
i += 1;
|
||
continue;
|
||
}
|
||
if (ch === '"') {
|
||
state = "double";
|
||
i += 1;
|
||
continue;
|
||
}
|
||
if (ch === "`") {
|
||
state = "backtick";
|
||
i += 1;
|
||
continue;
|
||
}
|
||
if (ch === "[") {
|
||
state = "bracket";
|
||
i += 1;
|
||
continue;
|
||
}
|
||
if (ch === "$") {
|
||
const tagMatch = /^\$[A-Za-z_0-9]*\$/.exec(sql.slice(i));
|
||
if (tagMatch) {
|
||
dollarTag = tagMatch[0].slice(1, -1);
|
||
i += tagMatch[0].length;
|
||
state = "dollar";
|
||
continue;
|
||
}
|
||
}
|
||
if (ch === "(") {
|
||
parenDepth += 1;
|
||
} else if (ch === ")" && parenDepth > 0) {
|
||
parenDepth -= 1;
|
||
}
|
||
i += 1;
|
||
}
|
||
|
||
return starts;
|
||
}
|
||
|
||
function softStatementKeywordAt(sql: string, pos: number, databaseType?: DatabaseType): string | null {
|
||
const match = /^[A-Za-z_][\w$]*/.exec(sql.slice(pos));
|
||
if (!match) return null;
|
||
const keyword = match[0].toUpperCase();
|
||
return softStatementStartKeywords(databaseType).has(keyword) ? keyword : null;
|
||
}
|
||
|
||
function softStatementStartKeywords(databaseType?: DatabaseType): Set<string> {
|
||
return new Set([...COMMON_SOFT_STATEMENT_START_KEYWORDS, ...(databaseType ? (DATABASE_SOFT_STATEMENT_KEYWORDS[databaseType] ?? []) : [])]);
|
||
}
|
||
|
||
function startsLineComment(sql: string, pos: number): boolean {
|
||
return (sql[pos] === "-" && sql[pos + 1] === "-") || sql[pos] === "#";
|
||
}
|
||
|
||
function startsBlockComment(sql: string, pos: number): boolean {
|
||
return sql[pos] === "/" && sql[pos + 1] === "*";
|
||
}
|
||
|
||
function trimRangeEnd(sql: string, from: number, to: number): number {
|
||
let end = to;
|
||
while (end > from && isSqlWhitespace(sql[end - 1])) {
|
||
end -= 1;
|
||
}
|
||
return end;
|
||
}
|
||
|
||
function trimRangeEndBeforeNextBoundary(sql: string, from: number, nextBoundaryFrom: number): number {
|
||
let state: QuoteState | "lineComment" | "blockComment" = "none";
|
||
let dollarTag = "";
|
||
let lastContentEnd = from;
|
||
let i = from;
|
||
|
||
while (i < nextBoundaryFrom) {
|
||
const ch = sql[i];
|
||
const next = sql[i + 1] ?? "";
|
||
|
||
if (state === "lineComment") {
|
||
if (ch === "\n") state = "none";
|
||
i += 1;
|
||
continue;
|
||
}
|
||
|
||
if (state === "blockComment") {
|
||
if (ch === "*" && next === "/") {
|
||
state = "none";
|
||
i += 2;
|
||
continue;
|
||
}
|
||
i += 1;
|
||
continue;
|
||
}
|
||
|
||
if (state === "dollar") {
|
||
lastContentEnd = i + 1;
|
||
if (ch === "$") {
|
||
const closingTag = `$${dollarTag}$`;
|
||
if (sql.startsWith(closingTag, i)) {
|
||
i += closingTag.length;
|
||
lastContentEnd = i;
|
||
state = "none";
|
||
dollarTag = "";
|
||
continue;
|
||
}
|
||
}
|
||
i += 1;
|
||
continue;
|
||
}
|
||
|
||
if (state === "single") {
|
||
lastContentEnd = i + 1;
|
||
if (ch === "\\" && next) {
|
||
i += 2;
|
||
lastContentEnd = i;
|
||
continue;
|
||
}
|
||
if (ch === "'") {
|
||
if (next === "'") {
|
||
i += 2;
|
||
lastContentEnd = i;
|
||
continue;
|
||
}
|
||
state = "none";
|
||
}
|
||
i += 1;
|
||
continue;
|
||
}
|
||
|
||
if (state === "double") {
|
||
lastContentEnd = i + 1;
|
||
if (ch === '"') {
|
||
if (next === '"') {
|
||
i += 2;
|
||
lastContentEnd = i;
|
||
continue;
|
||
}
|
||
state = "none";
|
||
}
|
||
i += 1;
|
||
continue;
|
||
}
|
||
|
||
if (state === "backtick") {
|
||
lastContentEnd = i + 1;
|
||
if (ch === "`") {
|
||
if (next === "`") {
|
||
i += 2;
|
||
lastContentEnd = i;
|
||
continue;
|
||
}
|
||
state = "none";
|
||
}
|
||
i += 1;
|
||
continue;
|
||
}
|
||
|
||
if (state === "bracket") {
|
||
lastContentEnd = i + 1;
|
||
if (ch === "]") state = "none";
|
||
i += 1;
|
||
continue;
|
||
}
|
||
|
||
if (ch === "-" && next === "-") {
|
||
state = "lineComment";
|
||
i += 2;
|
||
continue;
|
||
}
|
||
if (ch === "#") {
|
||
state = "lineComment";
|
||
i += 1;
|
||
continue;
|
||
}
|
||
if (ch === "/" && next === "*") {
|
||
state = "blockComment";
|
||
i += 2;
|
||
continue;
|
||
}
|
||
if (ch === "'") {
|
||
state = "single";
|
||
lastContentEnd = i + 1;
|
||
i += 1;
|
||
continue;
|
||
}
|
||
if (ch === '"') {
|
||
state = "double";
|
||
lastContentEnd = i + 1;
|
||
i += 1;
|
||
continue;
|
||
}
|
||
if (ch === "`") {
|
||
state = "backtick";
|
||
lastContentEnd = i + 1;
|
||
i += 1;
|
||
continue;
|
||
}
|
||
if (ch === "[") {
|
||
state = "bracket";
|
||
lastContentEnd = i + 1;
|
||
i += 1;
|
||
continue;
|
||
}
|
||
if (ch === "$") {
|
||
const tagMatch = /^\$[A-Za-z_0-9]*\$/.exec(sql.slice(i));
|
||
if (tagMatch) {
|
||
state = "dollar";
|
||
dollarTag = tagMatch[0].slice(1, -1);
|
||
i += tagMatch[0].length;
|
||
lastContentEnd = i;
|
||
continue;
|
||
}
|
||
}
|
||
|
||
if (!isSqlWhitespace(ch)) {
|
||
lastContentEnd = i + 1;
|
||
}
|
||
i += 1;
|
||
}
|
||
|
||
return trimRangeEnd(sql, from, lastContentEnd);
|
||
}
|
||
|
||
function isSqlWhitespace(ch: string): boolean {
|
||
return ch === " " || ch === "\t" || ch === "\r" || ch === "\n";
|
||
}
|
||
|
||
function rangeFor(statement: RawStatement, sql: string): SqlTextRange {
|
||
return {
|
||
from: statement.from,
|
||
to: statement.to,
|
||
sql: sql.slice(statement.from, statement.to),
|
||
};
|
||
}
|
||
|
||
function clampCursor(sql: string, cursorPos: number): number {
|
||
if (!Number.isFinite(cursorPos)) return 0;
|
||
if (cursorPos < 0) return 0;
|
||
if (cursorPos > sql.length) return sql.length;
|
||
return cursorPos;
|
||
}
|
||
|
||
function isCursorOnBlankLine(sql: string, pos: number): boolean {
|
||
const lineStart = sql.lastIndexOf("\n", pos - 1) + 1;
|
||
let lineEnd = sql.indexOf("\n", pos);
|
||
if (lineEnd === -1) lineEnd = sql.length;
|
||
return sql.slice(lineStart, lineEnd).trim() === "";
|
||
}
|
||
|
||
function isCursorOnStatementLine(sql: string, pos: number, statement: RawStatement): boolean {
|
||
const lineStart = sql.lastIndexOf("\n", pos - 1) + 1;
|
||
let lineEnd = sql.indexOf("\n", pos);
|
||
if (lineEnd === -1) lineEnd = sql.length;
|
||
return statement.from >= lineStart && statement.from <= lineEnd;
|
||
}
|
||
|
||
/**
|
||
* Returns the full document as a range, or `null` when it is empty/whitespace.
|
||
*/
|
||
export function fullSqlRange(sql: string): SqlTextRange | null {
|
||
const trimmed = sql.trim();
|
||
if (!trimmed) return null;
|
||
const from = sql.length - sql.trimStart().length;
|
||
const to = from + trimmed.length;
|
||
return { from, to, sql: sql.slice(from, to) };
|
||
}
|
||
|
||
function normalizeSql(sql: string): string {
|
||
return sql.replace(/\s+/g, " ").replace(/;\s*$/, "").trim();
|
||
}
|
||
|
||
/**
|
||
* Build the ordered list of execution candidates to show in the picker.
|
||
*
|
||
* Order is always `[cursor, all]` when both are available, except when the
|
||
* cursor statement and the full document are effectively the same SQL — in
|
||
* that case only a single candidate is returned to avoid duplicates.
|
||
*/
|
||
export function buildExecutionCandidates(sql: string, cursorPos: number, databaseType?: DatabaseType): SqlExecutionCandidate[] {
|
||
const full = fullSqlRange(sql);
|
||
const cursorStatement = databaseType === "redis" ? redisCommandRangeAtCursor(sql, cursorPos) : statementRangeAtCursor(sql, cursorPos, databaseType);
|
||
|
||
if (!full && !cursorStatement) return [];
|
||
if (!full) {
|
||
return cursorStatement ? [candidateFromRange(cursorStatement, "cursor", databaseType)] : [];
|
||
}
|
||
if (!cursorStatement) {
|
||
return [candidateFromRange(full, "all", databaseType)];
|
||
}
|
||
|
||
const sameContent = normalizeSql(cursorStatement.sql) === normalizeSql(full.sql);
|
||
if (sameContent) {
|
||
return [candidateFromRange(full, "all", databaseType)];
|
||
}
|
||
|
||
return [candidateFromRange(cursorStatement, "cursor", databaseType), candidateFromRange(full, "all", databaseType)];
|
||
}
|
||
|
||
function candidateFromRange(range: SqlTextRange, kind: SqlExecutionCandidate["kind"], databaseType?: DatabaseType): SqlExecutionCandidate {
|
||
const isRedis = databaseType === "redis";
|
||
return {
|
||
kind,
|
||
label: kind === "cursor" ? (isRedis ? "currentCommand" : "currentStatement") : isRedis ? "allCommands" : "allStatements",
|
||
sql: range.sql,
|
||
from: range.from,
|
||
to: range.to,
|
||
};
|
||
}
|
||
|
||
function redisExecutableCommandCount(sql: string): number {
|
||
let count = 0;
|
||
for (const line of sql.split(/\r?\n/)) {
|
||
const trimmed = line.trim();
|
||
if (!trimmed || trimmed.startsWith("#")) continue;
|
||
count += 1;
|
||
if (count > 1) return count;
|
||
}
|
||
return count;
|
||
}
|
||
|
||
function redisCommandRangeAtCursor(sql: string, cursorPos: number): SqlTextRange | null {
|
||
const pos = clampCursor(sql, cursorPos);
|
||
if (isCursorOnBlankLine(sql, pos)) return null;
|
||
|
||
const lineStart = sql.lastIndexOf("\n", pos - 1) + 1;
|
||
let lineEnd = sql.indexOf("\n", pos);
|
||
if (lineEnd === -1) lineEnd = sql.length;
|
||
|
||
const rawLine = sql.slice(lineStart, lineEnd);
|
||
const leadingWhitespace = rawLine.length - rawLine.trimStart().length;
|
||
const trimmedLine = rawLine.trim();
|
||
if (!trimmedLine || trimmedLine.startsWith("#")) return null;
|
||
|
||
const from = lineStart + leadingWhitespace;
|
||
const to = lineStart + rawLine.length - (rawLine.length - rawLine.trimEnd().length);
|
||
return {
|
||
from,
|
||
to,
|
||
sql: sql.slice(from, to),
|
||
};
|
||
}
|