dijkstra-backend-cloudron/node_modules/knex/lib/dialects/mssql/schema/columncompiler.js

104 lines
2.1 KiB
JavaScript

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