58 lines
1.2 KiB
JavaScript
58 lines
1.2 KiB
JavaScript
const replaceStrFormIndexArr = require("../utils").replaceStrFormIndexArr;
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const commentFilter = require('../core/comment');
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/**
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* 过滤--注释
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* @param {String} sql
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*/
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function filterComments(sql) {
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return commentFilter.parse(sql)
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}
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/**
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* 清除注释和前后空格
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* @param {String} sql
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*/
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function cleanSql(sql) {
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return filterComments(sql);
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}
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/**
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* 分割sql
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* @param {String} sqlText
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*/
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function splitSql(sqlText) {
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if (!sqlText) {
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return sqlText;
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}
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sqlText = sqlText.trim();
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if (!endsWith(sqlText, ';')) {
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sqlText += ';';
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}
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let results = [];
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let index = 0;
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let tmpChar = null;
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for (let i = 0; i < sqlText.length; i++) {
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let char = sqlText[i];
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if (char == "'" || char == '"') {
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if (tmpChar == char) {
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tmpChar = null;
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} else {
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tmpChar = char;
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}
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} else if (char == ';') {
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if (tmpChar == null) {
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results.push(sqlText.substring(index, i));
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index = i + 1;
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}
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}
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}
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return results;
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}
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exports.filterComments = filterComments;
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exports.cleanSql = cleanSql;
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exports.splitSql = splitSql; |