rawsql-ts/dist/transformers/SelectResultSelectConverter.js

High-performance SQL parser and AST analyzer written in TypeScript. Provides fast parsing and advanced transformation capabilities.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.SelectResultSelectConverter = void 0;
const SimpleSelectQuery_1 = require("../models/SimpleSelectQuery");
const FixtureCteBuilder_1 = require("./FixtureCteBuilder");
const TableSourceCollector_1 = require("./TableSourceCollector");
class SelectResultSelectConverter {
    static toSelectQuery(query, options) {
        var _a;
        const fixtureTables = (_a = options === null || options === void 0 ? void 0 : options.fixtureTables) !== null && _a !== void 0 ? _a : [];
        if (fixtureTables.length === 0) {
            return query;
        }
        const collector = new TableSourceCollector_1.TableSourceCollector(false);
        const sources = collector.collect(query);
        const referencedTables = new Set();
        sources.forEach(s => referencedTables.add(s.getSourceName().toLowerCase()));
        const neededFixtures = fixtureTables.filter(f => referencedTables.has(f.tableName.toLowerCase()));
        if (neededFixtures.length === 0) {
            return query;
        }
        const fixtureCtes = FixtureCteBuilder_1.FixtureCteBuilder.buildFixtures(neededFixtures);
        if (query instanceof SimpleSelectQuery_1.SimpleSelectQuery) {
            if (!query.withClause) {
                query.appendWith(fixtureCtes);
            }
            else {
                // Prepend fixtures to existing CTEs
                query.withClause.tables = [...fixtureCtes, ...query.withClause.tables];
            }
        }
        return query;
    }
}
exports.SelectResultSelectConverter = SelectResultSelectConverter;
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