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107 lines
2.2 KiB
TypeScript
107 lines
2.2 KiB
TypeScript
// Loaded from https://raw.githubusercontent.com/denjucks/dex/master/lib/dialects/mssql/schema/columncompiler.js
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// MySQL Column Compiler
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// -------
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import inherits from '../../../deps/inherits@2.0.4/inherits.js';
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import ColumnCompiler from '../../../schema/columncompiler.js';
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function ColumnCompiler_MSSQL() {
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ColumnCompiler.apply(this, arguments);
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this.modifiers = ['nullable', 'defaultTo', 'first', 'after', 'comment'];
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}
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inherits(ColumnCompiler_MSSQL, ColumnCompiler);
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// Types
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// ------
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Object.assign(ColumnCompiler_MSSQL.prototype, {
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increments: 'int identity(1,1) not null primary key',
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bigincrements: 'bigint identity(1,1) not null primary key',
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bigint: 'bigint',
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double(precision, scale) {
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return 'float';
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},
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floating(precision, scale) {
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// ignore precicion / scale which is mysql specific stuff
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return `float`;
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},
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integer() {
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// mssql does not support length
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return 'int';
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},
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mediumint: 'int',
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smallint: 'smallint',
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tinyint() {
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// mssql does not support length
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return 'tinyint';
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},
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varchar(length) {
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return `nvarchar(${this._num(length, 255)})`;
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},
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text: 'nvarchar(max)',
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mediumtext: 'nvarchar(max)',
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longtext: 'nvarchar(max)',
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// TODO: mssql supports check constraints as of SQL Server 2008
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// so make enu here more like postgres
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enu: 'nvarchar(100)',
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uuid: 'uniqueidentifier',
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datetime: 'datetime2',
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timestamp({ useTz = false } = {}) {
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return useTz ? 'datetimeoffset' : 'datetime2';
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},
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bit(length) {
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if (length > 1) {
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this.client.logger.warn('Bit field is exactly 1 bit length for MSSQL');
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}
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return 'bit';
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},
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binary(length) {
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return length ? `varbinary(${this._num(length)})` : 'varbinary(max)';
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},
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bool: 'bit',
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// Modifiers
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// ------
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first() {
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this.client.logger.warn('Column first modifier not available for MSSQL');
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return '';
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},
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after(column) {
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this.client.logger.warn('Column after modifier not available for MSSQL');
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return '';
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},
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comment(comment) {
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if (comment && comment.length > 255) {
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this.client.logger.warn(
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'Your comment is longer than the max comment length for MSSQL'
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);
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}
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return '';
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},
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});
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export default ColumnCompiler_MSSQL;
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