rawsql-ts/dist/parsers/JoinUsingClauseParser.js

[beta]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.JoinUsingClauseParser = void 0;
const Clause_1 = require("../models/Clause");
const Lexeme_1 = require("../models/Lexeme");
const ValueParser_1 = require("./ValueParser");
class JoinUsingClauseParser {
    static tryParse(lexemes, index) {
        let idx = index;
        if (idx < lexemes.length && lexemes[idx].value === 'using') {
            idx++; // Skip 'using' keyword
            // Parse the columns in parentheses
            const result = ValueParser_1.ValueParser.parseArgument(Lexeme_1.TokenType.OpenParen, Lexeme_1.TokenType.CloseParen, lexemes, idx);
            const usingColumns = result.value;
            idx = result.newIndex;
            const joinUsing = new Clause_1.JoinUsingClause(usingColumns);
            return { value: joinUsing, newIndex: idx };
        }
        return null;
    }
}
exports.JoinUsingClauseParser = JoinUsingClauseParser;
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