query-generator.test.js
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'use strict';
/* jshint -W110 */
const Support = require(__dirname + '/../../support');
const expectsql = Support.expectsql;
const current = Support.sequelize;
const QueryGenerator = require('../../../../lib/dialects/mssql/query-generator');
const _ = require('lodash');
if (current.dialect.name === 'mssql') {
suite('[MSSQL Specific] QueryGenerator', function() {
// Dialect would normally be set by the query interface that instantiates the query-generator, but here we specify it explicitly
QueryGenerator._dialect = current.dialect;
test('getDefaultConstraintQuery', () => {
expectsql(QueryGenerator.getDefaultConstraintQuery({tableName: 'myTable', schema: 'mySchema'}, 'myColumn'), {
mssql: "SELECT name FROM SYS.DEFAULT_CONSTRAINTS WHERE PARENT_OBJECT_ID = OBJECT_ID('[mySchema].[myTable]', 'U') AND PARENT_COLUMN_ID = (SELECT column_id FROM sys.columns WHERE NAME = ('myColumn') AND object_id = OBJECT_ID('[mySchema].[myTable]', 'U'));"
});
});
test('dropConstraintQuery', () => {
expectsql(QueryGenerator.dropConstraintQuery({tableName: 'myTable', schema: 'mySchema'}, 'myConstraint'), {
mssql: 'ALTER TABLE [mySchema].[myTable] DROP CONSTRAINT [myConstraint];'
});
});
test('bulkInsertQuery', () => {
//normal cases
expectsql(QueryGenerator.bulkInsertQuery('myTable', [{ name: 'foo' }, {name: 'bar'}]), {
mssql: "INSERT INTO [myTable] ([name]) VALUES (N'foo'),(N'bar');"
});
expectsql(QueryGenerator.bulkInsertQuery('myTable', [{ username: 'username', firstName: 'firstName', lastName: 'lastName' }, { firstName: 'user1FirstName', lastName: 'user1LastName'}]), {
mssql: "INSERT INTO [myTable] ([username],[firstName],[lastName]) VALUES (N'username',N'firstName',N'lastName'),(NULL,N'user1FirstName',N'user1LastName');"
});
expectsql(QueryGenerator.bulkInsertQuery('myTable', [{ firstName: 'firstName', lastName: 'lastName' }, { firstName: 'user1FirstName', lastName: 'user1LastName'}]), {
mssql: "INSERT INTO [myTable] ([firstName],[lastName]) VALUES (N'firstName',N'lastName'),(N'user1FirstName',N'user1LastName');"
});
//Bulk Insert With autogenerated primary key
const attributes = { id: { autoIncrement: true }};
expectsql(QueryGenerator.bulkInsertQuery('myTable', [{ id: null }], {}, attributes), {
mssql: 'INSERT INTO [myTable] DEFAULT VALUES'
});
});
test('selectFromTableFragment', () => {
const modifiedGen = _.clone(QueryGenerator);
// Test newer versions first
// Should be all the same since handling is done in addLimitAndOffset
// for SQL Server 2012 and higher (>= v11.0.0)
modifiedGen.sequelize = {
options: {
databaseVersion: '11.0.0'
}
};
// Base case
expectsql(modifiedGen.selectFromTableFragment({}, { primaryKeyField: 'id' }, ['id', 'name'], 'myTable', 'myOtherName', 'WHERE id=1'), {
mssql: 'SELECT id, name FROM myTable AS myOtherName'
});
// With limit
expectsql(modifiedGen.selectFromTableFragment({ limit: 10 }, { primaryKeyField: 'id' }, ['id', 'name'], 'myTable', 'myOtherName'), {
mssql: 'SELECT id, name FROM myTable AS myOtherName'
});
// With offset
expectsql(modifiedGen.selectFromTableFragment({ offset: 10 }, { primaryKeyField: 'id' }, ['id', 'name'], 'myTable', 'myOtherName'), {
mssql: 'SELECT id, name FROM myTable AS myOtherName'
});
// With both limit and offset
expectsql(modifiedGen.selectFromTableFragment({ limit: 10, offset: 10 }, { primaryKeyField: 'id' }, ['id', 'name'], 'myTable', 'myOtherName'), {
mssql: 'SELECT id, name FROM myTable AS myOtherName'
});
// Test older version (< v11.0.0)
modifiedGen.sequelize.options.databaseVersion = '10.0.0';
// Base case
expectsql(modifiedGen.selectFromTableFragment({}, { primaryKeyField: 'id' }, ['id', 'name'], 'myTable', 'myOtherName', 'WHERE id=1'), {
mssql: 'SELECT id, name FROM myTable AS myOtherName'
});
// With limit
expectsql(modifiedGen.selectFromTableFragment({ limit: 10 }, { primaryKeyField: 'id' }, ['id', 'name'], 'myTable', 'myOtherName'), {
mssql: 'SELECT TOP 10 id, name FROM myTable AS myOtherName'
});
// With offset
expectsql(modifiedGen.selectFromTableFragment({ offset: 10 }, { primaryKeyField: 'id' }, ['id', 'name'], 'myTable', 'myOtherName'), {
mssql: 'SELECT TOP 100 PERCENT id, name FROM (SELECT * FROM (SELECT ROW_NUMBER() OVER (ORDER BY [id]) as row_num, * FROM myTable AS myOtherName) AS myOtherName WHERE row_num > 10) AS myOtherName'
});
// With both limit and offset
expectsql(modifiedGen.selectFromTableFragment({ limit: 10, offset: 10 }, { primaryKeyField: 'id' }, ['id', 'name'], 'myTable', 'myOtherName'), {
mssql: 'SELECT TOP 100 PERCENT id, name FROM (SELECT TOP 10 * FROM (SELECT ROW_NUMBER() OVER (ORDER BY [id]) as row_num, * FROM myTable AS myOtherName) AS myOtherName WHERE row_num > 10) AS myOtherName'
});
});
test('getPrimaryKeyConstraintQuery', () => {
expectsql(QueryGenerator.getPrimaryKeyConstraintQuery('myTable', 'myColumnName'), {
mssql: 'SELECT K.TABLE_NAME AS tableName, K.COLUMN_NAME AS columnName, K.CONSTRAINT_NAME AS constraintName FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS AS C JOIN INFORMATION_SCHEMA.KEY_COLUMN_USAGE AS K ON C.TABLE_NAME = K.TABLE_NAME AND C.CONSTRAINT_CATALOG = K.CONSTRAINT_CATALOG AND C.CONSTRAINT_SCHEMA = K.CONSTRAINT_SCHEMA AND C.CONSTRAINT_NAME = K.CONSTRAINT_NAME WHERE C.CONSTRAINT_TYPE = \'PRIMARY KEY\' AND K.COLUMN_NAME = \'myColumnName\' AND K.TABLE_NAME = \'myTable\';'
});
});
test('createSchema', () => {
expectsql(QueryGenerator.createSchema('mySchema'), {
mssql: 'IF NOT EXISTS (SELECT schema_name FROM information_schema.schemata WHERE schema_name = \'mySchema\' ) BEGIN EXEC sp_executesql N\'CREATE SCHEMA [mySchema] ;\' END;'
});
});
test('showSchemasQuery', () => {
expectsql(QueryGenerator.showSchemasQuery(), {
mssql: 'SELECT "name" as "schema_name" FROM sys.schemas as s WHERE "s"."name" NOT IN ( \'INFORMATION_SCHEMA\', \'dbo\', \'guest\', \'sys\', \'archive\' ) AND "s"."name" NOT LIKE \'db_%\''
});
});
test('versionQuery', () => {
expectsql(QueryGenerator.versionQuery(), {
mssql: "DECLARE @ms_ver NVARCHAR(20); SET @ms_ver = REVERSE(CONVERT(NVARCHAR(20), SERVERPROPERTY('ProductVersion'))); SELECT REVERSE(SUBSTRING(@ms_ver, CHARINDEX('.', @ms_ver)+1, 20)) AS 'version'"
});
});
test('renameTableQuery', () => {
expectsql(QueryGenerator.renameTableQuery('oldTableName', 'newTableName'), {
mssql: 'EXEC sp_rename [oldTableName], [newTableName];'
});
});
test('showTablesQuery', () => {
expectsql(QueryGenerator.showTablesQuery(), {
mssql: 'SELECT TABLE_NAME, TABLE_SCHEMA FROM INFORMATION_SCHEMA.TABLES;'
});
});
test('dropTableQuery', () => {
expectsql(QueryGenerator.dropTableQuery('dirtyTable'), {
mssql: "IF OBJECT_ID('[dirtyTable]', 'U') IS NOT NULL DROP TABLE [dirtyTable];"
});
});
test('removeColumnQuery', () => {
expectsql(QueryGenerator.removeColumnQuery('myTable', 'myColumn'), {
mssql: 'ALTER TABLE [myTable] DROP COLUMN [myColumn];'
});
});
test('quoteIdentifier', () => {
expectsql(QueryGenerator.quoteIdentifier("'myTable'.'Test'"), {
mssql: '[myTable.Test]'
});
});
test('getForeignKeysQuery', () => {
expectsql(QueryGenerator.getForeignKeysQuery('myTable'), {
mssql: "SELECT constraint_name = C.CONSTRAINT_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS C WHERE C.CONSTRAINT_TYPE = 'FOREIGN KEY' AND C.TABLE_NAME = 'myTable'"
});
});
test('getForeignKeyQuery', () => {
expectsql(QueryGenerator.getForeignKeyQuery('myTable', 'myColumn'), {
mssql: "SELECT constraint_name = TC.CONSTRAINT_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS TC JOIN INFORMATION_SCHEMA.CONSTRAINT_COLUMN_USAGE CCU ON TC.CONSTRAINT_NAME = CCU.CONSTRAINT_NAME WHERE TC.CONSTRAINT_TYPE = 'FOREIGN KEY' AND TC.TABLE_NAME = 'myTable' AND CCU.COLUMN_NAME = 'myColumn'"
});
});
test('dropForeignKeyQuery', () => {
expectsql(QueryGenerator.dropForeignKeyQuery('myTable', 'myColumnKey'), {
mssql: 'ALTER TABLE [myTable] DROP [myColumnKey]'
});
});
});
}