lava-oushudb-dt-sql-parser/lib/parser.js

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const Parser = require('../core/astParser');
const Cache = require("../core/cache");
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const sqlSyntaxParser = require("../core/sqlSyntaxParser");
const sqlAutoCompleteParser = require("../core/sqlAutoCompleteParser");
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const filter = require("./filter");
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const astCache = new Cache();
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function parse(sql) {
const cleanSql = filter.cleanSql(sql);
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console.log(cleanSql)
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let ast = astCache.get(cleanSql);
if (ast) {
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return ast
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} else {
ast = Parser.parse(cleanSql).ast;
astCache.set(cleanSql, ast);
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return ast;
}
}
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/**
* sql sql
* type 语法类型默认hive
* return 返回解析对象
*/
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function parseSyntax(sql, type) {
if (typeof type == "undefined") {
type = "hive"
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}
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let sql1=sql;
let sql2='';
if(sql instanceof Array){
sql1=sql[0];
sql2=sql[1];
}
return sqlSyntaxParser.parser.parseSyntax(sql1, sql2, type, false)
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}
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function parserSql(sql, type) {
if (typeof type == "undefined") {
type = "hive"
}
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let sql1=sql;
let sql2='';
if(sql instanceof Array){
sql1=sql[0];
sql2=sql[1];
}
return sqlAutoCompleteParser.parser.parseSql(sql1, sql2, type, false)
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}
exports.parse = parse;
exports.parseSyntax = parseSyntax;
exports.parserSql = parserSql;