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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,71 +1,71 @@ | ||
| /* eslint-disable no-undef */ | ||
| /* eslint-disable no-unused-vars */ | ||
| /** | ||
| * [This Library helps analyze sql queries and seperate read/write queries for mysql, mssql and postgre] | ||
| */ | ||
| const log = require('./log'); | ||
|
|
||
| /** | ||
| * [getQueryType analyzes a single query and returns r or w for query type] | ||
| * @param {string} sql sql query | ||
| * @return {string} [r/w] | ||
| */ | ||
| function getQueryType(sql) { | ||
| const readFlags = ['select', 'show', 'describe', 'set names', 'kill', 'set profiling']; | ||
| // eslint-disable-next-line no-restricted-syntax | ||
| for (const flag of readFlags) { if (sql.toLowerCase().startsWith(flag)) return 'r'; } | ||
|
|
||
| // these codes are to fix ridiculus duplicate wordpress queries | ||
| if (sql.includes('`wp_options`') && sql.includes('_transient_')) { | ||
| // log.warn('wp transient query'); | ||
| return 'r'; | ||
| } | ||
| if (sql.toLowerCase().startsWith('set session')) { | ||
| return 's'; | ||
| } | ||
|
|
||
| // it's a write query | ||
| return 'w'; | ||
| } | ||
| function removeFirstLine(str) { | ||
| const lines = str.split('\n'); | ||
| lines.splice(0, 1); | ||
| return lines.join('\n'); | ||
| } | ||
| /** | ||
| * [clean up linebraks] | ||
| * @param {string} sql sql query | ||
| */ | ||
| function cleanUP(sql) { | ||
| // if (sql.startsWith('SET max_allowed_packet')) { | ||
| // return sql.replace('SET max_allowed_packet', 'SET GLOBAL max_allowed_packet'); | ||
| // } | ||
| // if (sql.startsWith('/*') && sql.endsWith('*/') && !sql.startsWith('/*!')) return false; | ||
| if (sql.startsWith('--')) { | ||
| // eslint-disable-next-line no-param-reassign | ||
| while (sql.startsWith('--') || sql.startsWith('\r\n') || sql.startsWith('\n')) sql = removeFirstLine(sql); | ||
| } | ||
| return sql; | ||
| } | ||
| /** | ||
| * [analyzeSql analyzes the sql and marks them as read/write] | ||
| * @param {string} sql sql query | ||
| * @param {string} options sql engine:mysql,mssql,postgre | ||
| * @return {array} [array of queries] | ||
| */ | ||
| function analyzeSql(sql, options) { | ||
| if (options === 'mysql') { | ||
| // | ||
| } else if (options === 'mssql') { | ||
| // | ||
| } else if (options === 'postgre') { | ||
| // | ||
| } else return []; | ||
| const analyzedArray = []; | ||
| const tempSql = cleanUP(sql.trim()); | ||
| if (tempSql) analyzedArray.push([tempSql, getQueryType(tempSql)]); | ||
| // log.query(sql, 'yellow'); | ||
| return analyzedArray; | ||
| } | ||
|
|
||
| module.exports = analyzeSql; | ||
| /* eslint-disable no-undef */ | ||
| /* eslint-disable no-unused-vars */ | ||
| /** | ||
| * [This Library helps analyze sql queries and seperate read/write queries for mysql, mssql and postgre] | ||
| */ | ||
| const log = require('./log'); | ||
|
|
||
| /** | ||
| * [getQueryType analyzes a single query and returns r or w for query type] | ||
| * @param {string} sql sql query | ||
| * @return {string} [r/w] | ||
| */ | ||
| function getQueryType(sql) { | ||
| const readFlags = ['select', 'show', 'describe', 'set names', 'kill', 'set profiling']; | ||
| // eslint-disable-next-line no-restricted-syntax | ||
| for (const flag of readFlags) { if (sql.toLowerCase().startsWith(flag)) return 'r'; } | ||
|
|
||
| // these codes are to fix ridiculus duplicate wordpress queries | ||
| if (sql.includes('`wp_options`') && sql.includes('_transient_')) { | ||
| // log.warn('wp transient query'); | ||
| return 'r'; | ||
| } | ||
| if (sql.toLowerCase().startsWith('set session')) { | ||
| return 's'; | ||
| } | ||
|
|
||
| // it's a write query | ||
| return 'w'; | ||
| } | ||
| function removeFirstLine(str) { | ||
| const lines = str.split('\n'); | ||
| lines.splice(0, 1); | ||
| return lines.join('\n'); | ||
| } | ||
| /** | ||
| * [clean up linebraks] | ||
| * @param {string} sql sql query | ||
| */ | ||
| function cleanUP(sql) { | ||
| // eslint-disable-next-line no-param-reassign | ||
| if (sql.toLowerCase().startsWith('/*!40101 set character_set_client = utf8 */')) sql = '/*!40101 SET character_set_client = utf8mb4 */'; | ||
| // eslint-disable-next-line no-param-reassign | ||
| if (sql.toLowerCase().startsWith('/*!40101 set names utf8 */')) sql = '/*!40101 SET NAMES utf8mb4 */'; | ||
| if (sql.startsWith('--')) { | ||
| // eslint-disable-next-line no-param-reassign | ||
| while (sql.startsWith('--') || sql.startsWith('\r\n') || sql.startsWith('\n')) sql = removeFirstLine(sql); | ||
| } | ||
| return sql; | ||
| } | ||
| /** | ||
| * [analyzeSql analyzes the sql and marks them as read/write] | ||
| * @param {string} sql sql query | ||
| * @param {string} options sql engine:mysql,mssql,postgre | ||
| * @return {array} [array of queries] | ||
| */ | ||
| function analyzeSql(sql, options) { | ||
| if (options === 'mysql') { | ||
| // | ||
| } else if (options === 'mssql') { | ||
| // | ||
| } else if (options === 'postgre') { | ||
| // | ||
| } else return []; | ||
| const analyzedArray = []; | ||
| const tempSql = cleanUP(sql.trim()); | ||
| if (tempSql) analyzedArray.push([tempSql, getQueryType(tempSql)]); | ||
| // log.query(sql, 'yellow'); | ||
| return analyzedArray; | ||
| } | ||
|
|
||
| module.exports = analyzeSql; |