// MySQL Column Compiler // ------- import inherits from 'inherits'; import ColumnCompiler from '../../../schema/columncompiler'; import { assign } from 'lodash'; function ColumnCompiler_MySQL() { ColumnCompiler.apply(this, arguments); this.modifiers = [ 'unsigned', 'nullable', 'defaultTo', 'comment', 'collate', 'first', 'after', ]; } inherits(ColumnCompiler_MySQL, ColumnCompiler); // Types // ------ assign(ColumnCompiler_MySQL.prototype, { increments: 'int unsigned not null auto_increment primary key', bigincrements: 'bigint unsigned not null auto_increment primary key', bigint: 'bigint', double(precision, scale) { if (!precision) return 'double'; return `double(${this._num(precision, 8)}, ${this._num(scale, 2)})`; }, integer(length) { length = length ? `(${this._num(length, 11)})` : ''; return `int${length}`; }, mediumint: 'mediumint', smallint: 'smallint', tinyint(length) { length = length ? `(${this._num(length, 1)})` : ''; return `tinyint${length}`; }, text(column) { switch (column) { case 'medium': case 'mediumtext': return 'mediumtext'; case 'long': case 'longtext': return 'longtext'; default: return 'text'; } }, mediumtext() { return this.text('medium'); }, longtext() { return this.text('long'); }, enu(allowed) { return `enum('${allowed.join("', '")}')`; }, datetime(precision) { return typeof precision === 'number' ? `datetime(${precision})` : 'datetime'; }, timestamp(precision) { return typeof precision === 'number' ? `timestamp(${precision})` : 'timestamp'; }, time(precision) { return typeof precision === 'number' ? `time(${precision})` : 'time'; }, bit(length) { return length ? `bit(${this._num(length)})` : 'bit'; }, binary(length) { return length ? `varbinary(${this._num(length)})` : 'blob'; }, json() { return 'json'; }, // Modifiers // ------ defaultTo(value) { const defaultVal = ColumnCompiler_MySQL.super_.prototype.defaultTo.apply( this, arguments ); if (this.type !== 'blob' && this.type.indexOf('text') === -1) { return defaultVal; } return ''; }, unsigned() { return 'unsigned'; }, comment(comment) { if (comment && comment.length > 255) { this.client.logger.warn( 'Your comment is longer than the max comment length for MySQL' ); } return comment && `comment '${comment}'`; }, first() { return 'first'; }, after(column) { return `after ${this.formatter.wrap(column)}`; }, collate(collation) { return collation && `collate '${collation}'`; }, }); export default ColumnCompiler_MySQL;