Le Viet
39 lines
1.4 KiB
JavaScript
39 lines
1.4 KiB
JavaScript
'use strict';
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const MySQLQueryGenerator = require('../mysql/query-generator');
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class MariaDBQueryGenerator extends MySQLQueryGenerator {
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createSchema(schema, options) {
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options = Object.assign({
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charset: null,
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collate: null
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}, options || {});
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const charset = options.charset ? ` DEFAULT CHARACTER SET ${this.escape(options.charset)}` : '';
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const collate = options.collate ? ` DEFAULT COLLATE ${this.escape(options.collate)}` : '';
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return `CREATE SCHEMA IF NOT EXISTS ${this.quoteIdentifier(schema)}${charset}${collate};`;
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}
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dropSchema(schema) {
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return `DROP SCHEMA IF EXISTS ${this.quoteIdentifier(schema)};`;
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}
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showSchemasQuery(options) {
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const skip = options.skip && Array.isArray(options.skip) && options.skip.length > 0 ? options.skip : null;
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return `SELECT SCHEMA_NAME as schema_name FROM INFORMATION_SCHEMA.SCHEMATA WHERE SCHEMA_NAME NOT IN ('MYSQL', 'INFORMATION_SCHEMA', 'PERFORMANCE_SCHEMA'${skip ? skip.reduce( (sql, schemaName) => sql += `,${this.escape(schemaName)}`, '') : ''});`;
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}
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showTablesQuery(database) {
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let query = 'SELECT TABLE_NAME, TABLE_SCHEMA FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_TYPE = \'BASE TABLE\'';
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if (database) {
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query += ` AND TABLE_SCHEMA = ${this.escape(database)}`;
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} else {
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query += ' AND TABLE_SCHEMA NOT IN (\'MYSQL\', \'INFORMATION_SCHEMA\', \'PERFORMANCE_SCHEMA\')';
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}
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return `${query};`;
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}
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}
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module.exports = MariaDBQueryGenerator;
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