75 lines
2.3 KiB
JavaScript
Executable File
75 lines
2.3 KiB
JavaScript
Executable File
/**
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* Checks properties from a SQL
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*/
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var TableNameUtils = require('./table-name-utils');
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module.exports = {
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isSameQuery: function (originalQuery, customQuery) {
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if (originalQuery == null || customQuery == null) { // eslint-disable-line
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throw new Error('Needed parameters not provided');
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}
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var parseQuery = function (query) {
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return query
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.toLowerCase()
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.replace(/\"/g, '') // Remove quoted things like "pepe".tableName
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.replace(/;/g, '');
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};
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return parseQuery(originalQuery) === parseQuery(customQuery);
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},
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// return true if the sql query alters table schema in some way
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altersSchema: function (sql) {
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if (!sql) {
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return false;
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}
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// Remove all line breaks in order to prevent
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// search pattern problems
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sql = this._removeLineBreaks(sql.trim());
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return sql.search(/alter\s+[\w\."]+\s+/i) !== -1 ||
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sql.search(/drop\s+[\w\.\"]+/i) !== -1 ||
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sql.search(/^vacuum\s+[\w\.\"]+/i) !== -1 ||
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sql.search(/^create\s+[\w\.\"]+/i) !== -1 ||
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sql.search(/^reindex\s+[\w\.\"]+/i) !== -1 ||
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sql.search(/^grant\s+[\w\.\"]+/i) !== -1 ||
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sql.search(/^revoke\s+[\w\.\"]+/i) !== -1 ||
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sql.search(/^cluster\s+[\w\.\"]+/i) !== -1 ||
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sql.search(/^comment\s+on\s+[\w\.\"]+/i) !== -1 ||
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sql.search(/^explain\s+[\w\.\"]+/i) !== -1;
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},
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// return true if the sql query alters table data
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altersData: function (sql) {
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if (!sql) {
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return false;
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}
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// Remove all line breaks in order to prevent
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// search pattern problems
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sql = this._removeLineBreaks(sql.trim());
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return this.altersSchema(sql) ||
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sql.search(/^refresh\s+materialized\s+view\s+[\w\.\"]+/i) !== -1 ||
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sql.search(/^truncate\s+[\w\.\"]+/i) !== -1 ||
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sql.search(/insert\s+into/i) !== -1 ||
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sql.search(/update\s+[\w\.\-"]+\s+.*set/i) !== -1 ||
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sql.search(/delete\s+from/i) !== -1;
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},
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_removeLineBreaks: function (sql) {
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return sql.replace(/\r?\n|\r/g, ' ');
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},
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getDefaultSQL: function (tableName, userName, inOrganization) {
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return this.getDefaultSQLFromTableName(TableNameUtils.getQualifiedTableName(tableName, userName, inOrganization));
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},
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getDefaultSQLFromTableName: function (tableName) {
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return 'SELECT * FROM ' + tableName;
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}
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};
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