AbstractSQLServerPlatformTestCase::testSupportsSequences() - Code Metrics - Inspection of "Merge pull request #3756 from morozov/issues/3755" - doctrine/dbal - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Push — master ( 299ef4...a90152 )

by Sergei
created 2019-12-05 23:39 UTC
testSupportsSequences() A

↳ Parent: AbstractSQLServerPlatformTestCase
Complexity

Conditions	1
Paths	1
Size

Total Lines	3
Code Lines	1
Duplication

Lines	0
Ratio	0 %
Importance

Changes
Metric	Value
eloc	1
dl	0
loc	3
rs	10
c	0
b	0
f	0
cc	1
nc	1
nop	0
<?php

declare(strict_types=1);

namespace Doctrine\Tests\DBAL\Platforms;

use Doctrine\DBAL\DBALException;
use Doctrine\DBAL\Exception\ColumnLengthRequired;
use Doctrine\DBAL\Platforms\SQLServerPlatform;
use Doctrine\DBAL\Schema\Column;
use Doctrine\DBAL\Schema\ColumnDiff;
use Doctrine\DBAL\Schema\Index;
use Doctrine\DBAL\Schema\Sequence;
use Doctrine\DBAL\Schema\Table;
use Doctrine\DBAL\Schema\TableDiff;
use Doctrine\DBAL\TransactionIsolationLevel;
use Doctrine\DBAL\Types\Type;
use function assert;

abstract class AbstractSQLServerPlatformTestCase extends AbstractPlatformTestCase
{
    public function getGenerateTableSql() : string
    {
        return 'CREATE TABLE test (id INT IDENTITY NOT NULL, test NVARCHAR(255), PRIMARY KEY (id))';
    }

    /**
     * {@inheritDoc}
     */
    public function getGenerateTableWithMultiColumnUniqueIndexSql() : array
    {
        return [
            'CREATE TABLE test (foo NVARCHAR(255), bar NVARCHAR(255))',
            'CREATE UNIQUE INDEX UNIQ_D87F7E0C8C73652176FF8CAA ON test (foo, bar) WHERE foo IS NOT NULL AND bar IS NOT NULL',
        ];
    }

    /**
     * {@inheritDoc}
     */
    public function getGenerateAlterTableSql() : array
    {
        return [
            'ALTER TABLE mytable ADD quota INT',
            'ALTER TABLE mytable DROP COLUMN foo',
            'ALTER TABLE mytable ALTER COLUMN baz NVARCHAR(255) NOT NULL',
            "ALTER TABLE mytable ADD CONSTRAINT DF_6B2BD609_78240498 DEFAULT 'def' FOR baz",
            'ALTER TABLE mytable ALTER COLUMN bloo BIT NOT NULL',
            "ALTER TABLE mytable ADD CONSTRAINT DF_6B2BD609_CECED971 DEFAULT '0' FOR bloo",
            "sp_RENAME 'mytable', 'userlist'",
            "DECLARE @sql NVARCHAR(MAX) = N''; " .
            "SELECT @sql += N'EXEC sp_rename N''' + dc.name + ''', N''' " .
            "+ REPLACE(dc.name, '6B2BD609', 'E2B58069') + ''', ''OBJECT'';' " .
            'FROM sys.default_constraints dc ' .
            'JOIN sys.tables tbl ON dc.parent_object_id = tbl.object_id ' .
            "WHERE tbl.name = 'userlist';" .
            'EXEC sp_executesql @sql',
        ];
    }

    public function testDoesNotSupportRegexp() : void
    {
        $this->expectException(DBALException::class);

        $this->platform->getRegexpExpression();
    }

    public function testGeneratesSqlSnippets() : void
    {
        self::assertEquals('CONVERT(date, GETDATE())', $this->platform->getCurrentDateSQL());
        self::assertEquals('CONVERT(time, GETDATE())', $this->platform->getCurrentTimeSQL());
        self::assertEquals('CURRENT_TIMESTAMP', $this->platform->getCurrentTimestampSQL());
        self::assertEquals('"', $this->platform->getIdentifierQuoteCharacter(), 'Identifier quote character is not correct');
        self::assertEquals('(column1 + column2 + column3)', $this->platform->getConcatExpression('column1', 'column2', 'column3'), 'Concatenation expression is not correct');
    }

    public function testGeneratesTransactionsCommands() : void
    {
        self::assertEquals(
            'SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED',
            $this->platform->getSetTransactionIsolationSQL(TransactionIsolationLevel::READ_UNCOMMITTED)
        );
        self::assertEquals(
            'SET TRANSACTION ISOLATION LEVEL READ COMMITTED',
            $this->platform->getSetTransactionIsolationSQL(TransactionIsolationLevel::READ_COMMITTED)
        );
        self::assertEquals(
            'SET TRANSACTION ISOLATION LEVEL REPEATABLE READ',
            $this->platform->getSetTransactionIsolationSQL(TransactionIsolationLevel::REPEATABLE_READ)
        );
        self::assertEquals(
            'SET TRANSACTION ISOLATION LEVEL SERIALIZABLE',
            $this->platform->getSetTransactionIsolationSQL(TransactionIsolationLevel::SERIALIZABLE)
        );
    }

    public function testGeneratesDDLSnippets() : void
    {
        $dropDatabaseExpectation = 'DROP DATABASE foobar';

        self::assertEquals('SELECT * FROM sys.databases', $this->platform->getListDatabasesSQL());
        self::assertEquals('CREATE DATABASE foobar', $this->platform->getCreateDatabaseSQL('foobar'));
        self::assertEquals($dropDatabaseExpectation, $this->platform->getDropDatabaseSQL('foobar'));
        self::assertEquals('DROP TABLE foobar', $this->platform->getDropTableSQL('foobar'));
    }

    public function testGeneratesTypeDeclarationForIntegers() : void
    {
        self::assertEquals(
            'INT',
            $this->platform->getIntegerTypeDeclarationSQL([])
        );
        self::assertEquals(
            'INT IDENTITY',
            $this->platform->getIntegerTypeDeclarationSQL(['autoincrement' => true])
        );
        self::assertEquals(
            'INT IDENTITY',
            $this->platform->getIntegerTypeDeclarationSQL(
                ['autoincrement' => true, 'primary' => true]
            )
        );
    }

    public function testGeneratesTypeDeclarationsForStrings() : void
    {
        self::assertSame('VARCHAR(MAX)', $this->platform->getClobTypeDeclarationSQL([]));
        self::assertSame(
            'VARCHAR(MAX)',
            $this->platform->getClobTypeDeclarationSQL(['length' => 5, 'fixed' => true])
        );
    }

    public function testPrefersIdentityColumns() : void
    {
        self::assertTrue($this->platform->prefersIdentityColumns());
    }

    public function testSupportsIdentityColumns() : void
    {
        self::assertTrue($this->platform->supportsIdentityColumns());
    }

    public function testSupportsCreateDropDatabase() : void
    {
        self::assertTrue($this->platform->supportsCreateDropDatabase());
    }

    public function testSupportsSchemas() : void
    {
        self::assertTrue($this->platform->supportsSchemas());
    }

    public function testDoesNotSupportSavePoints() : void
    {
        self::assertTrue($this->platform->supportsSavepoints());
    }

    public function getGenerateIndexSql() : string
    {
        return 'CREATE INDEX my_idx ON mytable (user_name, last_login)';
    }

    public function getGenerateUniqueIndexSql() : string
    {
        return 'CREATE UNIQUE INDEX index_name ON test (test, test2) WHERE test IS NOT NULL AND test2 IS NOT NULL';
    }

    public function getGenerateForeignKeySql() : string
    {
        return 'ALTER TABLE test ADD FOREIGN KEY (fk_name_id) REFERENCES other_table (id)';
    }

    public function testModifyLimitQuery() : void
    {
        $sql = $this->platform->modifyLimitQuery('SELECT * FROM user', 10, 0);
        self::assertEquals('SELECT * FROM user ORDER BY (SELECT 0) OFFSET 0 ROWS FETCH NEXT 10 ROWS ONLY', $sql);
    }

    public function testModifyLimitQueryWithEmptyOffset() : void
    {
        $sql = $this->platform->modifyLimitQuery('SELECT * FROM user', 10);
        self::assertEquals('SELECT * FROM user ORDER BY (SELECT 0) OFFSET 0 ROWS FETCH NEXT 10 ROWS ONLY', $sql);
    }

    public function testModifyLimitQueryWithOffset() : void
    {
        $sql = $this->platform->modifyLimitQuery('SELECT * FROM user ORDER BY username DESC', 10, 5);
        self::assertEquals('SELECT * FROM user ORDER BY username DESC OFFSET 5 ROWS FETCH NEXT 10 ROWS ONLY', $sql);
    }

    public function testModifyLimitQueryWithAscOrderBy() : void
    {
        $sql = $this->platform->modifyLimitQuery('SELECT * FROM user ORDER BY username ASC', 10);
        self::assertEquals('SELECT * FROM user ORDER BY username ASC OFFSET 0 ROWS FETCH NEXT 10 ROWS ONLY', $sql);
    }

    public function testModifyLimitQueryWithLowercaseOrderBy() : void
    {
        $sql = $this->platform->modifyLimitQuery('SELECT * FROM user order by username', 10);
        self::assertEquals('SELECT * FROM user order by username OFFSET 0 ROWS FETCH NEXT 10 ROWS ONLY', $sql);
    }

    public function testModifyLimitQueryWithDescOrderBy() : void
    {
        $sql = $this->platform->modifyLimitQuery('SELECT * FROM user ORDER BY username DESC', 10);
        self::assertEquals('SELECT * FROM user ORDER BY username DESC OFFSET 0 ROWS FETCH NEXT 10 ROWS ONLY', $sql);
    }

    public function testModifyLimitQueryWithMultipleOrderBy() : void
    {
        $sql = $this->platform->modifyLimitQuery('SELECT * FROM user ORDER BY username DESC, usereamil ASC', 10);
        self::assertEquals('SELECT * FROM user ORDER BY username DESC, usereamil ASC OFFSET 0 ROWS FETCH NEXT 10 ROWS ONLY', $sql);
    }

    public function testModifyLimitQueryWithSubSelect() : void
    {
        $sql = $this->platform->modifyLimitQuery('SELECT * FROM (SELECT u.id as uid, u.name as uname) dctrn_result', 10);
        self::assertEquals('SELECT * FROM (SELECT u.id as uid, u.name as uname) dctrn_result ORDER BY (SELECT 0) OFFSET 0 ROWS FETCH NEXT 10 ROWS ONLY', $sql);
    }

    public function testModifyLimitQueryWithSubSelectAndOrder() : void
    {
        $sql = $this->platform->modifyLimitQuery('SELECT * FROM (SELECT u.id as uid, u.name as uname) dctrn_result ORDER BY uname DESC', 10);
        self::assertEquals('SELECT * FROM (SELECT u.id as uid, u.name as uname) dctrn_result ORDER BY uname DESC OFFSET 0 ROWS FETCH NEXT 10 ROWS ONLY', $sql);

        $sql = $this->platform->modifyLimitQuery('SELECT * FROM (SELECT u.id, u.name) dctrn_result ORDER BY name DESC', 10);
        self::assertEquals('SELECT * FROM (SELECT u.id, u.name) dctrn_result ORDER BY name DESC OFFSET 0 ROWS FETCH NEXT 10 ROWS ONLY', $sql);
    }

    public function testModifyLimitQueryWithSubSelectAndMultipleOrder() : void
    {
        $sql = $this->platform->modifyLimitQuery('SELECT * FROM (SELECT u.id as uid, u.name as uname) dctrn_result ORDER BY uname DESC, uid ASC', 10, 5);
        self::assertEquals('SELECT * FROM (SELECT u.id as uid, u.name as uname) dctrn_result ORDER BY uname DESC, uid ASC OFFSET 5 ROWS FETCH NEXT 10 ROWS ONLY', $sql);

        $sql = $this->platform->modifyLimitQuery('SELECT * FROM (SELECT u.id uid, u.name uname) dctrn_result ORDER BY uname DESC, uid ASC', 10, 5);
        self::assertEquals('SELECT * FROM (SELECT u.id uid, u.name uname) dctrn_result ORDER BY uname DESC, uid ASC OFFSET 5 ROWS FETCH NEXT 10 ROWS ONLY', $sql);

        $sql = $this->platform->modifyLimitQuery('SELECT * FROM (SELECT u.id, u.name) dctrn_result ORDER BY name DESC, id ASC', 10, 5);
        self::assertEquals('SELECT * FROM (SELECT u.id, u.name) dctrn_result ORDER BY name DESC, id ASC OFFSET 5 ROWS FETCH NEXT 10 ROWS ONLY', $sql);
    }

    public function testModifyLimitQueryWithFromColumnNames() : void
    {
        $sql = $this->platform->modifyLimitQuery('SELECT a.fromFoo, fromBar FROM foo', 10);
        self::assertEquals('SELECT a.fromFoo, fromBar FROM foo ORDER BY (SELECT 0) OFFSET 0 ROWS FETCH NEXT 10 ROWS ONLY', $sql);
    }

    /**
     * @group DBAL-927
     */
    public function testModifyLimitQueryWithExtraLongQuery() : void
    {
        $query  = 'SELECT table1.column1, table2.column2, table3.column3, table4.column4, table5.column5, table6.column6, table7.column7, table8.column8 FROM table1, table2, table3, table4, table5, table6, table7, table8 ';
        $query .= 'WHERE (table1.column1 = table2.column2) AND (table1.column1 = table3.column3) AND (table1.column1 = table4.column4) AND (table1.column1 = table5.column5) AND (table1.column1 = table6.column6) AND (table1.column1 = table7.column7) AND (table1.column1 = table8.column8) AND (table2.column2 = table3.column3) AND (table2.column2 = table4.column4) AND (table2.column2 = table5.column5) AND (table2.column2 = table6.column6) ';
        $query .= 'AND (table2.column2 = table7.column7) AND (table2.column2 = table8.column8) AND (table3.column3 = table4.column4) AND (table3.column3 = table5.column5) AND (table3.column3 = table6.column6) AND (table3.column3 = table7.column7) AND (table3.column3 = table8.column8) AND (table4.column4 = table5.column5) AND (table4.column4 = table6.column6) AND (table4.column4 = table7.column7) AND (table4.column4 = table8.column8) ';
        $query .= 'AND (table5.column5 = table6.column6) AND (table5.column5 = table7.column7) AND (table5.column5 = table8.column8) AND (table6.column6 = table7.column7) AND (table6.column6 = table8.column8) AND (table7.column7 = table8.column8)';

        $sql = $this->platform->modifyLimitQuery($query, 10);

        $expected  = 'SELECT table1.column1, table2.column2, table3.column3, table4.column4, table5.column5, table6.column6, table7.column7, table8.column8 FROM table1, table2, table3, table4, table5, table6, table7, table8 ';
        $expected .= 'WHERE (table1.column1 = table2.column2) AND (table1.column1 = table3.column3) AND (table1.column1 = table4.column4) AND (table1.column1 = table5.column5) AND (table1.column1 = table6.column6) AND (table1.column1 = table7.column7) AND (table1.column1 = table8.column8) AND (table2.column2 = table3.column3) AND (table2.column2 = table4.column4) AND (table2.column2 = table5.column5) AND (table2.column2 = table6.column6) ';
        $expected .= 'AND (table2.column2 = table7.column7) AND (table2.column2 = table8.column8) AND (table3.column3 = table4.column4) AND (table3.column3 = table5.column5) AND (table3.column3 = table6.column6) AND (table3.column3 = table7.column7) AND (table3.column3 = table8.column8) AND (table4.column4 = table5.column5) AND (table4.column4 = table6.column6) AND (table4.column4 = table7.column7) AND (table4.column4 = table8.column8) ';
        $expected .= 'AND (table5.column5 = table6.column6) AND (table5.column5 = table7.column7) AND (table5.column5 = table8.column8) AND (table6.column6 = table7.column7) AND (table6.column6 = table8.column8) AND (table7.column7 = table8.column8) ';
        $expected .= 'ORDER BY (SELECT 0) OFFSET 0 ROWS FETCH NEXT 10 ROWS ONLY';

        self::assertEquals($expected, $sql);
    }

    /**
     * @group DDC-2470
     */
    public function testModifyLimitQueryWithOrderByClause() : void
    {
        $sql      = 'SELECT m0_.NOMBRE AS NOMBRE0, m0_.FECHAINICIO AS FECHAINICIO1, m0_.FECHAFIN AS FECHAFIN2 FROM MEDICION m0_ WITH (NOLOCK) INNER JOIN ESTUDIO e1_ ON m0_.ESTUDIO_ID = e1_.ID INNER JOIN CLIENTE c2_ ON e1_.CLIENTE_ID = c2_.ID INNER JOIN USUARIO u3_ ON c2_.ID = u3_.CLIENTE_ID WHERE u3_.ID = ? ORDER BY m0_.FECHAINICIO DESC';
        $expected = 'SELECT m0_.NOMBRE AS NOMBRE0, m0_.FECHAINICIO AS FECHAINICIO1, m0_.FECHAFIN AS FECHAFIN2 FROM MEDICION m0_ WITH (NOLOCK) INNER JOIN ESTUDIO e1_ ON m0_.ESTUDIO_ID = e1_.ID INNER JOIN CLIENTE c2_ ON e1_.CLIENTE_ID = c2_.ID INNER JOIN USUARIO u3_ ON c2_.ID = u3_.CLIENTE_ID WHERE u3_.ID = ? ORDER BY m0_.FECHAINICIO DESC OFFSET 5 ROWS FETCH NEXT 10 ROWS ONLY';
        $actual   = $this->platform->modifyLimitQuery($sql, 10, 5);

        self::assertEquals($expected, $actual);
    }

    /**
     * @group DBAL-713
     */
    public function testModifyLimitQueryWithSubSelectInSelectList() : void
    {
        $sql = $this->platform->modifyLimitQuery(
            'SELECT ' .
            'u.id, ' .
            '(u.foo/2) foodiv, ' .
            'CONCAT(u.bar, u.baz) barbaz, ' .
            '(SELECT (SELECT COUNT(*) FROM login l WHERE l.profile_id = p.id) FROM profile p WHERE p.user_id = u.id) login_count ' .
            'FROM user u ' .
            "WHERE u.status = 'disabled'",
            10
        );

        self::assertEquals(
            'SELECT ' .
            'u.id, ' .
            '(u.foo/2) foodiv, ' .
            'CONCAT(u.bar, u.baz) barbaz, ' .
            '(SELECT (SELECT COUNT(*) FROM login l WHERE l.profile_id = p.id) FROM profile p WHERE p.user_id = u.id) login_count ' .
            'FROM user u ' .
            "WHERE u.status = 'disabled' " .
            'ORDER BY (SELECT 0) OFFSET 0 ROWS FETCH NEXT 10 ROWS ONLY',
            $sql
        );
    }

    /**
     * @group DBAL-713
     */
    public function testModifyLimitQueryWithSubSelectInSelectListAndOrderByClause() : void
    {
        $sql = $this->platform->modifyLimitQuery(
            'SELECT ' .
            'u.id, ' .
            '(u.foo/2) foodiv, ' .
            'CONCAT(u.bar, u.baz) barbaz, ' .
            '(SELECT (SELECT COUNT(*) FROM login l WHERE l.profile_id = p.id) FROM profile p WHERE p.user_id = u.id) login_count ' .
            'FROM user u ' .
            "WHERE u.status = 'disabled' " .
            'ORDER BY u.username DESC',
            10,
            5
        );

        self::assertEquals(
            'SELECT ' .
            'u.id, ' .
            '(u.foo/2) foodiv, ' .
            'CONCAT(u.bar, u.baz) barbaz, ' .
            '(SELECT (SELECT COUNT(*) FROM login l WHERE l.profile_id = p.id) FROM profile p WHERE p.user_id = u.id) login_count ' .
            'FROM user u ' .
            "WHERE u.status = 'disabled' " .
            'ORDER BY u.username DESC ' .
            'OFFSET 5 ROWS FETCH NEXT 10 ROWS ONLY',
            $sql
        );
    }

    /**
     * @group DBAL-834
     */
    public function testModifyLimitQueryWithAggregateFunctionInOrderByClause() : void
    {
        $sql = $this->platform->modifyLimitQuery(
            'SELECT ' .
            'MAX(heading_id) aliased, ' .
            'code ' .
            'FROM operator_model_operator ' .
            'GROUP BY code ' .
            'ORDER BY MAX(heading_id) DESC',
            1,
            0
        );

        self::assertEquals(
            'SELECT ' .
            'MAX(heading_id) aliased, ' .
            'code ' .
            'FROM operator_model_operator ' .
            'GROUP BY code ' .
            'ORDER BY MAX(heading_id) DESC ' .
            'OFFSET 0 ROWS FETCH NEXT 1 ROWS ONLY',
            $sql
        );
    }

    /**
     * @throws DBALException
     */
    public function testModifyLimitSubqueryWithJoinAndSubqueryOrderedByColumnFromBaseTable() : void
    {
        $querySql   = 'SELECT DISTINCT id_0, name_1 '
            . 'FROM ('
            . 'SELECT t1.id AS id_0, t2.name AS name_1 '
            . 'FROM table_parent t1 '
            . 'LEFT JOIN join_table t2 ON t1.id = t2.table_id'
            . ') dctrn_result '
            . 'ORDER BY id_0 ASC';
        $alteredSql = 'SELECT DISTINCT id_0, name_1 '
            . 'FROM ('
            . 'SELECT t1.id AS id_0, t2.name AS name_1 '
            . 'FROM table_parent t1 '
            . 'LEFT JOIN join_table t2 ON t1.id = t2.table_id'
            . ') dctrn_result '
            . 'ORDER BY id_0 ASC OFFSET 0 ROWS FETCH NEXT 5 ROWS ONLY';
        $sql        = $this->platform->modifyLimitQuery($querySql, 5);
        self::assertEquals($alteredSql, $sql);
    }

    /**
     * @throws DBALException
     */
    public function testModifyLimitSubqueryWithJoinAndSubqueryOrderedByColumnFromJoinTable() : void
    {
        $querySql   = 'SELECT DISTINCT id_0, name_1 '
            . 'FROM ('
            . 'SELECT t1.id AS id_0, t2.name AS name_1 '
            . 'FROM table_parent t1 '
            . 'LEFT JOIN join_table t2 ON t1.id = t2.table_id'
            . ') dctrn_result '
            . 'ORDER BY name_1 ASC';
        $alteredSql = 'SELECT DISTINCT id_0, name_1 '
            . 'FROM ('
            . 'SELECT t1.id AS id_0, t2.name AS name_1 '
            . 'FROM table_parent t1 '
            . 'LEFT JOIN join_table t2 ON t1.id = t2.table_id'
            . ') dctrn_result '
            . 'ORDER BY name_1 ASC OFFSET 0 ROWS FETCH NEXT 5 ROWS ONLY';
        $sql        = $this->platform->modifyLimitQuery($querySql, 5);
        self::assertEquals($alteredSql, $sql);
    }

    /**
     * @throws DBALException
     */
    public function testModifyLimitSubqueryWithJoinAndSubqueryOrderedByColumnsFromBothTables() : void
    {
        $querySql   = 'SELECT DISTINCT id_0, name_1, foo_2 '
            . 'FROM ('
            . 'SELECT t1.id AS id_0, t2.name AS name_1, t2.foo AS foo_2 '
            . 'FROM table_parent t1 '
            . 'LEFT JOIN join_table t2 ON t1.id = t2.table_id'
            . ') dctrn_result '
            . 'ORDER BY name_1 ASC, foo_2 DESC';
        $alteredSql = 'SELECT DISTINCT id_0, name_1, foo_2 '
            . 'FROM ('
            . 'SELECT t1.id AS id_0, t2.name AS name_1, t2.foo AS foo_2 '
            . 'FROM table_parent t1 '
            . 'LEFT JOIN join_table t2 ON t1.id = t2.table_id'
            . ') dctrn_result '
            . 'ORDER BY name_1 ASC, foo_2 DESC OFFSET 0 ROWS FETCH NEXT 5 ROWS ONLY';
        $sql        = $this->platform->modifyLimitQuery($querySql, 5);
        self::assertEquals($alteredSql, $sql);
    }

    public function testModifyLimitSubquerySimple() : void
    {
        $querySql   = 'SELECT DISTINCT id_0 FROM '
            . '(SELECT k0_.id AS id_0, k0_.field AS field_1 '
            . 'FROM key_table k0_ WHERE (k0_.where_field IN (1))) dctrn_result';
        $alteredSql = 'SELECT DISTINCT id_0 FROM (SELECT k0_.id AS id_0, k0_.field AS field_1 '
            . 'FROM key_table k0_ WHERE (k0_.where_field IN (1))) dctrn_result ORDER BY 1 OFFSET 0 ROWS FETCH NEXT 20 ROWS ONLY';
        $sql        = $this->platform->modifyLimitQuery($querySql, 20);
        self::assertEquals($alteredSql, $sql);
    }

    /**
     * @group DDC-1360
     */
    public function testQuoteIdentifier() : void
    {
        self::assertEquals('[fo][o]', $this->platform->quoteIdentifier('fo]o'));
        self::assertEquals('[test]', $this->platform->quoteIdentifier('test'));
        self::assertEquals('[test].[test]', $this->platform->quoteIdentifier('test.test'));
    }

    /**
     * @group DDC-1360
     */
    public function testQuoteSingleIdentifier() : void
    {
        self::assertEquals('[fo][o]', $this->platform->quoteSingleIdentifier('fo]o'));
        self::assertEquals('[test]', $this->platform->quoteSingleIdentifier('test'));
        self::assertEquals('[test.test]', $this->platform->quoteSingleIdentifier('test.test'));
    }

    /**
     * @group DBAL-220
     */
    public function testCreateClusteredIndex() : void
    {
        $idx = new Index('idx', ['id']);
        $idx->addFlag('clustered');
        self::assertEquals('CREATE CLUSTERED INDEX idx ON tbl (id)', $this->platform->getCreateIndexSQL($idx, 'tbl'));
    }

    /**
     * @group DBAL-220
     */
    public function testCreateNonClusteredPrimaryKeyInTable() : void
    {
        $table = new Table('tbl');
        $table->addColumn('id', 'integer');
        $table->setPrimaryKey(['id']);
        $table->getIndex('primary')->addFlag('nonclustered');

        self::assertEquals(['CREATE TABLE tbl (id INT NOT NULL, PRIMARY KEY NONCLUSTERED (id))'], $this->platform->getCreateTableSQL($table));
    }

    /**
     * @group DBAL-220
     */
    public function testCreateNonClusteredPrimaryKey() : void
    {
        $idx = new Index('idx', ['id'], false, true);
        $idx->addFlag('nonclustered');
        self::assertEquals('ALTER TABLE tbl ADD PRIMARY KEY NONCLUSTERED (id)', $this->platform->getCreatePrimaryKeySQL($idx, 'tbl'));
    }

    public function testAlterAddPrimaryKey() : void
    {
        $idx = new Index('idx', ['id'], false, true);
        self::assertEquals('ALTER TABLE tbl ADD PRIMARY KEY (id)', $this->platform->getCreateIndexSQL($idx, 'tbl'));
    }

    /**
     * {@inheritDoc}
     */
    protected function getQuotedColumnInPrimaryKeySQL() : array
    {
        return ['CREATE TABLE [quoted] ([create] NVARCHAR(255) NOT NULL, PRIMARY KEY ([create]))'];
    }

    /**
     * {@inheritDoc}
     */
    protected function getQuotedColumnInIndexSQL() : array
    {
        return [
            'CREATE TABLE [quoted] ([create] NVARCHAR(255) NOT NULL)',
            'CREATE INDEX IDX_22660D028FD6E0FB ON [quoted] ([create])',
        ];
    }

    /**
     * {@inheritDoc}
     */
    protected function getQuotedNameInIndexSQL() : array
    {
        return [
            'CREATE TABLE test (column1 NVARCHAR(255) NOT NULL)',
            'CREATE INDEX [key] ON test (column1)',
        ];
    }

    /**
     * {@inheritDoc}
     */
    protected function getQuotedColumnInForeignKeySQL() : array
    {
        return [
            'CREATE TABLE [quoted] ([create] NVARCHAR(255) NOT NULL, foo NVARCHAR(255) NOT NULL, [bar] NVARCHAR(255) NOT NULL)',
            'ALTER TABLE [quoted] ADD CONSTRAINT FK_WITH_RESERVED_KEYWORD FOREIGN KEY ([create], foo, [bar]) REFERENCES [foreign] ([create], bar, [foo-bar])',
            'ALTER TABLE [quoted] ADD CONSTRAINT FK_WITH_NON_RESERVED_KEYWORD FOREIGN KEY ([create], foo, [bar]) REFERENCES foo ([create], bar, [foo-bar])',
            'ALTER TABLE [quoted] ADD CONSTRAINT FK_WITH_INTENDED_QUOTATION FOREIGN KEY ([create], foo, [bar]) REFERENCES [foo-bar] ([create], bar, [foo-bar])',
        ];
    }

    public function testGetCreateSchemaSQL() : void
    {
        $schemaName = 'schema';
        $sql        = $this->platform->getCreateSchemaSQL($schemaName);
        self::assertEquals('CREATE SCHEMA ' . $schemaName, $sql);
    }

    public function testCreateTableWithSchemaColumnComments() : void
    {
        $table = new Table('testschema.test');
        $table->addColumn('id', 'integer', ['comment' => 'This is a comment']);
        $table->setPrimaryKey(['id']);

        $expectedSql = [
            'CREATE TABLE testschema.test (id INT NOT NULL, PRIMARY KEY (id))',
            "EXEC sp_addextendedproperty N'MS_Description', N'This is a comment', N'SCHEMA', 'testschema', N'TABLE', 'test', N'COLUMN', id",
        ];

        self::assertEquals($expectedSql, $this->platform->getCreateTableSQL($table));
    }

    public function testAlterTableWithSchemaColumnComments() : void
    {
        $tableDiff                        = new TableDiff('testschema.mytable');
        $tableDiff->addedColumns['quota'] = new Column('quota', Type::getType('integer'), ['comment' => 'A comment']);

        $expectedSql = [
            'ALTER TABLE testschema.mytable ADD quota INT NOT NULL',
            "EXEC sp_addextendedproperty N'MS_Description', N'A comment', N'SCHEMA', 'testschema', N'TABLE', 'mytable', N'COLUMN', quota",
        ];

        self::assertEquals($expectedSql, $this->platform->getAlterTableSQL($tableDiff));
    }

    public function testAlterTableWithSchemaDropColumnComments() : void
    {
        $tableDiff                          = new TableDiff('testschema.mytable');
        $tableDiff->changedColumns['quota'] = new ColumnDiff(
            'quota',
            new Column('quota', Type::getType('integer'), []),
            ['comment'],
            new Column('quota', Type::getType('integer'), ['comment' => 'A comment'])
        );

        $expectedSql = ["EXEC sp_dropextendedproperty N'MS_Description', N'SCHEMA', 'testschema', N'TABLE', 'mytable', N'COLUMN', quota"];

        self::assertEquals($expectedSql, $this->platform->getAlterTableSQL($tableDiff));
    }

    public function testAlterTableWithSchemaUpdateColumnComments() : void
    {
        $tableDiff                          = new TableDiff('testschema.mytable');
        $tableDiff->changedColumns['quota'] = new ColumnDiff(
            'quota',
            new Column('quota', Type::getType('integer'), ['comment' => 'B comment']),
            ['comment'],
            new Column('quota', Type::getType('integer'), ['comment' => 'A comment'])
        );

        $expectedSql = ["EXEC sp_updateextendedproperty N'MS_Description', N'B comment', N'SCHEMA', 'testschema', N'TABLE', 'mytable', N'COLUMN', quota"];

        self::assertEquals($expectedSql, $this->platform->getAlterTableSQL($tableDiff));
    }

    /**
     * {@inheritDoc}
     *
     * @group DBAL-543
     */
    public function getCreateTableColumnCommentsSQL() : array
    {
        return [
            'CREATE TABLE test (id INT NOT NULL, PRIMARY KEY (id))',
            "EXEC sp_addextendedproperty N'MS_Description', N'This is a comment', N'SCHEMA', 'dbo', N'TABLE', 'test', N'COLUMN', id",
        ];
    }

    /**
     * {@inheritDoc}
     *
     * @group DBAL-543
     */
    public function getAlterTableColumnCommentsSQL() : array
    {
        return [
            'ALTER TABLE mytable ADD quota INT NOT NULL',
            "EXEC sp_addextendedproperty N'MS_Description', N'A comment', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', quota",
            // todo
            //"EXEC sp_addextendedproperty N'MS_Description', N'B comment', N'SCHEMA', dbo, N'TABLE', mytable, N'COLUMN', baz",
        ];
    }

    /**
     * {@inheritDoc}
     *
     * @group DBAL-543
     */
    public function getCreateTableColumnTypeCommentsSQL() : array
    {
        return [
            'CREATE TABLE test (id INT NOT NULL, data VARCHAR(MAX) NOT NULL, PRIMARY KEY (id))',
            "EXEC sp_addextendedproperty N'MS_Description', N'(DC2Type:array)', N'SCHEMA', 'dbo', N'TABLE', 'test', N'COLUMN', data",
        ];
    }

    /**
     * @group DBAL-543
     */
    public function testGeneratesCreateTableSQLWithColumnComments() : void
    {
        $table = new Table('mytable');
        $table->addColumn('id', 'integer', ['autoincrement' => true]);
        $table->addColumn('comment_null', 'integer', ['comment' => null]);
        $table->addColumn('comment_empty_string', 'integer', ['comment' => '']);
        $table->addColumn('comment_string_0', 'integer', ['comment' => '0']);
        $table->addColumn('comment', 'integer', ['comment' => 'Doctrine 0wnz you!']);
        $table->addColumn('`comment_quoted`', 'integer', ['comment' => 'Doctrine 0wnz comments for explicitly quoted columns!']);
        $table->addColumn('create', 'integer', ['comment' => 'Doctrine 0wnz comments for reserved keyword columns!']);
        $table->addColumn('commented_type', 'object');
        $table->addColumn('commented_type_with_comment', 'array', ['comment' => 'Doctrine array type.']);
        $table->addColumn('comment_with_string_literal_char', 'string', [
            'length' => 255,
            'comment' => "O'Reilly",
        ]);
        $table->setPrimaryKey(['id']);

        self::assertEquals(
            [
                'CREATE TABLE mytable (id INT IDENTITY NOT NULL, comment_null INT NOT NULL, comment_empty_string INT NOT NULL, comment_string_0 INT NOT NULL, comment INT NOT NULL, [comment_quoted] INT NOT NULL, [create] INT NOT NULL, commented_type VARCHAR(MAX) NOT NULL, commented_type_with_comment VARCHAR(MAX) NOT NULL, comment_with_string_literal_char NVARCHAR(255) NOT NULL, PRIMARY KEY (id))',
                "EXEC sp_addextendedproperty N'MS_Description', N'0', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', comment_string_0",
                "EXEC sp_addextendedproperty N'MS_Description', N'Doctrine 0wnz you!', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', comment",
                "EXEC sp_addextendedproperty N'MS_Description', N'Doctrine 0wnz comments for explicitly quoted columns!', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', [comment_quoted]",
                "EXEC sp_addextendedproperty N'MS_Description', N'Doctrine 0wnz comments for reserved keyword columns!', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', [create]",
                "EXEC sp_addextendedproperty N'MS_Description', N'(DC2Type:object)', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', commented_type",
                "EXEC sp_addextendedproperty N'MS_Description', N'Doctrine array type.(DC2Type:array)', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', commented_type_with_comment",
                "EXEC sp_addextendedproperty N'MS_Description', N'O''Reilly', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', comment_with_string_literal_char",
            ],
            $this->platform->getCreateTableSQL($table)
        );
    }

    /**
     * @group DBAL-543
     * @group DBAL-1011
     */
    public function testGeneratesAlterTableSQLWithColumnComments() : void
    {
        $table = new Table('mytable');
        $table->addColumn('id', 'integer', ['autoincrement' => true]);
        $table->addColumn('comment_null', 'integer', ['comment' => null]);
        $table->addColumn('comment_empty_string', 'integer', ['comment' => '']);
        $table->addColumn('comment_string_0', 'integer', ['comment' => '0']);
        $table->addColumn('comment', 'integer', ['comment' => 'Doctrine 0wnz you!']);
        $table->addColumn('`comment_quoted`', 'integer', ['comment' => 'Doctrine 0wnz comments for explicitly quoted columns!']);
        $table->addColumn('create', 'integer', ['comment' => 'Doctrine 0wnz comments for reserved keyword columns!']);
        $table->addColumn('commented_type', 'object');
        $table->addColumn('commented_type_with_comment', 'array', ['comment' => 'Doctrine array type.']);
        $table->addColumn('comment_with_string_literal_quote_char', 'array', [
            'length' => 255,
            'comment' => "O'Reilly",
        ]);
        $table->setPrimaryKey(['id']);

        $tableDiff                                                         = new TableDiff('mytable');
        $tableDiff->fromTable                                              = $table;
        $tableDiff->addedColumns['added_comment_none']                     = new Column('added_comment_none', Type::getType('integer'));
        $tableDiff->addedColumns['added_comment_null']                     = new Column('added_comment_null', Type::getType('integer'), ['comment' => null]);
        $tableDiff->addedColumns['added_comment_empty_string']             = new Column('added_comment_empty_string', Type::getType('integer'), ['comment' => '']);
        $tableDiff->addedColumns['added_comment_string_0']                 = new Column('added_comment_string_0', Type::getType('integer'), ['comment' => '0']);
        $tableDiff->addedColumns['added_comment']                          = new Column('added_comment', Type::getType('integer'), ['comment' => 'Doctrine']);
        $tableDiff->addedColumns['`added_comment_quoted`']                 = new Column('`added_comment_quoted`', Type::getType('integer'), ['comment' => 'rulez']);
        $tableDiff->addedColumns['select']                                 = new Column('select', Type::getType('integer'), ['comment' => '666']);
        $tableDiff->addedColumns['added_commented_type']                   = new Column('added_commented_type', Type::getType('object'));
        $tableDiff->addedColumns['added_commented_type_with_comment']      = new Column('added_commented_type_with_comment', Type::getType('array'), ['comment' => '666']);
        $tableDiff->addedColumns['added_comment_with_string_literal_char'] = new Column('added_comment_with_string_literal_char', Type::getType('string'), [
            'length' => 255,
            'comment' => "''",
        ]);

        // Add comment to non-commented column.
        $tableDiff->changedColumns['id'] = new ColumnDiff(
            'id',
            new Column('id', Type::getType('integer'), ['autoincrement' => true, 'comment' => 'primary']),
            ['comment'],
            new Column('id', Type::getType('integer'), ['autoincrement' => true])
        );

        // Remove comment from null-commented column.
        $tableDiff->changedColumns['comment_null'] = new ColumnDiff(
            'comment_null',
            new Column('comment_null', Type::getType('string'), ['length' => 255]),
            ['type'],
            new Column('comment_null', Type::getType('integer'), ['comment' => null])
        );

        // Change type to custom type from empty string commented column.
        $tableDiff->changedColumns['comment_empty_string'] = new ColumnDiff(
            'comment_empty_string',
            new Column('comment_empty_string', Type::getType('object')),
            ['type'],
            new Column('comment_empty_string', Type::getType('integer'), ['comment' => ''])
        );

        // Change comment to empty comment from zero-string commented column.
        $tableDiff->changedColumns['comment_string_0'] = new ColumnDiff(
            'comment_string_0',
            new Column('comment_string_0', Type::getType('integer'), ['comment' => '']),
            ['comment'],
            new Column('comment_string_0', Type::getType('integer'), ['comment' => '0'])
        );

        // Remove comment from regular commented column.
        $tableDiff->changedColumns['comment'] = new ColumnDiff(
            'comment',
            new Column('comment', Type::getType('integer')),
            ['comment'],
            new Column('comment', Type::getType('integer'), ['comment' => 'Doctrine 0wnz you!'])
        );

        // Change comment and change type to custom type from regular commented column.
        $tableDiff->changedColumns['`comment_quoted`'] = new ColumnDiff(
            '`comment_quoted`',
            new Column('`comment_quoted`', Type::getType('array'), ['comment' => 'Doctrine array.']),
            ['comment', 'type'],
            new Column('`comment_quoted`', Type::getType('integer'), ['comment' => 'Doctrine 0wnz you!'])
        );

        // Remove comment and change type to custom type from regular commented column.
        $tableDiff->changedColumns['create'] = new ColumnDiff(
            'create',
            new Column('create', Type::getType('object')),
            ['comment', 'type'],
            new Column('create', Type::getType('integer'), ['comment' => 'Doctrine 0wnz comments for reserved keyword columns!'])
        );

        // Add comment and change custom type to regular type from non-commented column.
        $tableDiff->changedColumns['commented_type'] = new ColumnDiff(
            'commented_type',
            new Column('commented_type', Type::getType('integer'), ['comment' => 'foo']),
            ['comment', 'type'],
            new Column('commented_type', Type::getType('object'))
        );

        // Remove comment from commented custom type column.
        $tableDiff->changedColumns['commented_type_with_comment'] = new ColumnDiff(
            'commented_type_with_comment',
            new Column('commented_type_with_comment', Type::getType('array')),
            ['comment'],
            new Column('commented_type_with_comment', Type::getType('array'), ['comment' => 'Doctrine array type.'])
        );

        // Change comment from comment with string literal char column.
        $tableDiff->changedColumns['comment_with_string_literal_char'] = new ColumnDiff(
            'comment_with_string_literal_char',
            new Column('comment_with_string_literal_char', Type::getType('string'), ['comment' => "'"]),
            ['comment'],
            new Column('comment_with_string_literal_char', Type::getType('array'), ['comment' => "O'Reilly"])
        );

        self::assertEquals(
            [
                // Added columns.
                'ALTER TABLE mytable ADD added_comment_none INT NOT NULL',
                'ALTER TABLE mytable ADD added_comment_null INT NOT NULL',
                'ALTER TABLE mytable ADD added_comment_empty_string INT NOT NULL',
                'ALTER TABLE mytable ADD added_comment_string_0 INT NOT NULL',
                'ALTER TABLE mytable ADD added_comment INT NOT NULL',
                'ALTER TABLE mytable ADD [added_comment_quoted] INT NOT NULL',
                'ALTER TABLE mytable ADD [select] INT NOT NULL',
                'ALTER TABLE mytable ADD added_commented_type VARCHAR(MAX) NOT NULL',
                'ALTER TABLE mytable ADD added_commented_type_with_comment VARCHAR(MAX) NOT NULL',
                'ALTER TABLE mytable ADD added_comment_with_string_literal_char NVARCHAR(255) NOT NULL',
                'ALTER TABLE mytable ALTER COLUMN comment_null NVARCHAR(255) NOT NULL',
                'ALTER TABLE mytable ALTER COLUMN comment_empty_string VARCHAR(MAX) NOT NULL',
                'ALTER TABLE mytable ALTER COLUMN [comment_quoted] VARCHAR(MAX) NOT NULL',
                'ALTER TABLE mytable ALTER COLUMN [create] VARCHAR(MAX) NOT NULL',
                'ALTER TABLE mytable ALTER COLUMN commented_type INT NOT NULL',

                // Added columns.
                "EXEC sp_addextendedproperty N'MS_Description', N'0', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', added_comment_string_0",
                "EXEC sp_addextendedproperty N'MS_Description', N'Doctrine', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', added_comment",
                "EXEC sp_addextendedproperty N'MS_Description', N'rulez', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', [added_comment_quoted]",
                "EXEC sp_addextendedproperty N'MS_Description', N'666', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', [select]",
                "EXEC sp_addextendedproperty N'MS_Description', N'(DC2Type:object)', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', added_commented_type",
                "EXEC sp_addextendedproperty N'MS_Description', N'666(DC2Type:array)', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', added_commented_type_with_comment",
                "EXEC sp_addextendedproperty N'MS_Description', N'''''', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', added_comment_with_string_literal_char",

                // Changed columns.
                "EXEC sp_addextendedproperty N'MS_Description', N'primary', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', id",
                "EXEC sp_addextendedproperty N'MS_Description', N'(DC2Type:object)', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', comment_empty_string",
                "EXEC sp_dropextendedproperty N'MS_Description', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', comment_string_0",
                "EXEC sp_dropextendedproperty N'MS_Description', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', comment",
                "EXEC sp_updateextendedproperty N'MS_Description', N'Doctrine array.(DC2Type:array)', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', [comment_quoted]",
                "EXEC sp_updateextendedproperty N'MS_Description', N'(DC2Type:object)', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', [create]",
                "EXEC sp_updateextendedproperty N'MS_Description', N'foo', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', commented_type",
                "EXEC sp_updateextendedproperty N'MS_Description', N'(DC2Type:array)', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', commented_type_with_comment",
                "EXEC sp_updateextendedproperty N'MS_Description', N'''', N'SCHEMA', 'dbo', N'TABLE', 'mytable', N'COLUMN', comment_with_string_literal_char",
            ],
            $this->platform->getAlterTableSQL($tableDiff)
        );
    }

    /**
     * @group DBAL-122
     */
    public function testInitializesDoctrineTypeMappings() : void
    {
        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('bigint'));
        self::assertSame('bigint', $this->platform->getDoctrineTypeMapping('bigint'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('numeric'));
        self::assertSame('decimal', $this->platform->getDoctrineTypeMapping('numeric'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('bit'));
        self::assertSame('boolean', $this->platform->getDoctrineTypeMapping('bit'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('smallint'));
        self::assertSame('smallint', $this->platform->getDoctrineTypeMapping('smallint'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('decimal'));
        self::assertSame('decimal', $this->platform->getDoctrineTypeMapping('decimal'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('smallmoney'));
        self::assertSame('integer', $this->platform->getDoctrineTypeMapping('smallmoney'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('int'));
        self::assertSame('integer', $this->platform->getDoctrineTypeMapping('int'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('tinyint'));
        self::assertSame('smallint', $this->platform->getDoctrineTypeMapping('tinyint'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('money'));
        self::assertSame('integer', $this->platform->getDoctrineTypeMapping('money'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('float'));
        self::assertSame('float', $this->platform->getDoctrineTypeMapping('float'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('real'));
        self::assertSame('float', $this->platform->getDoctrineTypeMapping('real'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('double'));
        self::assertSame('float', $this->platform->getDoctrineTypeMapping('double'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('double precision'));
        self::assertSame('float', $this->platform->getDoctrineTypeMapping('double precision'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('smalldatetime'));
        self::assertSame('datetime', $this->platform->getDoctrineTypeMapping('smalldatetime'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('datetime'));
        self::assertSame('datetime', $this->platform->getDoctrineTypeMapping('datetime'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('char'));
        self::assertSame('string', $this->platform->getDoctrineTypeMapping('char'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('varchar'));
        self::assertSame('string', $this->platform->getDoctrineTypeMapping('varchar'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('text'));
        self::assertSame('text', $this->platform->getDoctrineTypeMapping('text'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('nchar'));
        self::assertSame('string', $this->platform->getDoctrineTypeMapping('nchar'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('nvarchar'));
        self::assertSame('string', $this->platform->getDoctrineTypeMapping('nvarchar'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('ntext'));
        self::assertSame('text', $this->platform->getDoctrineTypeMapping('ntext'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('binary'));
        self::assertSame('binary', $this->platform->getDoctrineTypeMapping('binary'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('varbinary'));
        self::assertSame('binary', $this->platform->getDoctrineTypeMapping('varbinary'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('image'));
        self::assertSame('blob', $this->platform->getDoctrineTypeMapping('image'));

        self::assertTrue($this->platform->hasDoctrineTypeMappingFor('uniqueidentifier'));
        self::assertSame('guid', $this->platform->getDoctrineTypeMapping('uniqueidentifier'));
    }

    protected function getExpectedFixedLengthStringTypeDeclarationSQLNoLength() : string
    {
        return 'NCHAR';
    }

    protected function getExpectedFixedLengthStringTypeDeclarationSQLWithLength() : string
    {
        return 'NCHAR(16)';
    }

    public function testGetVariableLengthStringTypeDeclarationSQLNoLength() : void
    {
        $this->expectException(ColumnLengthRequired::class);

        parent::testGetVariableLengthStringTypeDeclarationSQLNoLength();
    }

    protected function getExpectedVariableLengthStringTypeDeclarationSQLWithLength() : string
    {
        return 'NVARCHAR(16)';
    }

    public function testGetVariableLengthBinaryTypeDeclarationSQLNoLength() : void
    {
        $this->expectException(ColumnLengthRequired::class);

        parent::testGetVariableLengthBinaryTypeDeclarationSQLNoLength();
    }

    /**
     * {@inheritDoc}
     *
     * @group DBAL-234
     */
    protected function getAlterTableRenameIndexSQL() : array
    {
        return ["EXEC sp_RENAME N'mytable.idx_foo', N'idx_bar', N'INDEX'"];
    }

    /**
     * {@inheritDoc}
     *
     * @group DBAL-234
     */
    protected function getQuotedAlterTableRenameIndexSQL() : array
    {
        return [
            "EXEC sp_RENAME N'[table].[create]', N'[select]', N'INDEX'",
            "EXEC sp_RENAME N'[table].[foo]', N'[bar]', N'INDEX'",
        ];
    }

    /**
     * @group DBAL-825
     */
    public function testChangeColumnsTypeWithDefaultValue() : void
    {
        $tableName = 'column_def_change_type';
        $table     = new Table($tableName);

        $table->addColumn('col_int', 'smallint', ['default' => 666]);
        $table->addColumn('col_string', 'string', ['default' => 'foo']);

        $tableDiff                            = new TableDiff($tableName);
        $tableDiff->fromTable                 = $table;
        $tableDiff->changedColumns['col_int'] = new ColumnDiff(
            'col_int',
            new Column('col_int', Type::getType('integer'), ['default' => 666]),
            ['type'],
            new Column('col_int', Type::getType('smallint'), ['default' => 666])
        );

        $tableDiff->changedColumns['col_string'] = new ColumnDiff(
            'col_string',
            new Column('col_string', Type::getType('string'), [
                'length' => 255,
                'fixed' => true,
                'default' => 'foo',
            ]),
            ['fixed'],
            new Column('col_string', Type::getType('string'), ['default' => 'foo'])
        );

        self::assertSame(
            [
                'ALTER TABLE column_def_change_type DROP CONSTRAINT DF_829302E0_FA2CB292',
                'ALTER TABLE column_def_change_type ALTER COLUMN col_int INT NOT NULL',
                'ALTER TABLE column_def_change_type ADD CONSTRAINT DF_829302E0_FA2CB292 DEFAULT 666 FOR col_int',
                'ALTER TABLE column_def_change_type DROP CONSTRAINT DF_829302E0_2725A6D0',
                'ALTER TABLE column_def_change_type ALTER COLUMN col_string NCHAR(255) NOT NULL',
                "ALTER TABLE column_def_change_type ADD CONSTRAINT DF_829302E0_2725A6D0 DEFAULT 'foo' FOR col_string",
            ],
            $this->platform->getAlterTableSQL($tableDiff)
        );
    }

    /**
     * {@inheritdoc}
     */
    protected function getQuotedAlterTableRenameColumnSQL() : array
    {
        return [
            "sp_RENAME 'mytable.unquoted1', 'unquoted', 'COLUMN'",
            "sp_RENAME 'mytable.unquoted2', '[where]', 'COLUMN'",
            "sp_RENAME 'mytable.unquoted3', '[foo]', 'COLUMN'",
            "sp_RENAME 'mytable.[create]', 'reserved_keyword', 'COLUMN'",
            "sp_RENAME 'mytable.[table]', '[from]', 'COLUMN'",
            "sp_RENAME 'mytable.[select]', '[bar]', 'COLUMN'",
            "sp_RENAME 'mytable.quoted1', 'quoted', 'COLUMN'",
            "sp_RENAME 'mytable.quoted2', '[and]', 'COLUMN'",
            "sp_RENAME 'mytable.quoted3', '[baz]', 'COLUMN'",
        ];
    }

    /**
     * {@inheritdoc}
     */
    protected function getQuotedAlterTableChangeColumnLengthSQL() : array
    {
        $this->markTestIncomplete('Not implemented yet');
interface ReturnsInt {
    public function returnsIntHinted(): int;
}

class MyClass implements ReturnsInt {
    public function returnsIntHinted(): int
    {
        if (foo()) {
            return 123;
        }
        // here: null is implicitly returned
    }
}
    }

    /**
     * {@inheritDoc}
     *
     * @group DBAL-807
     */
    protected function getAlterTableRenameIndexInSchemaSQL() : array
    {
        return ["EXEC sp_RENAME N'myschema.mytable.idx_foo', N'idx_bar', N'INDEX'"];
    }

    /**
     * {@inheritDoc}
     *
     * @group DBAL-807
     */
    protected function getQuotedAlterTableRenameIndexInSchemaSQL() : array
    {
        return [
            "EXEC sp_RENAME N'[schema].[table].[create]', N'[select]', N'INDEX'",
            "EXEC sp_RENAME N'[schema].[table].[foo]', N'[bar]', N'INDEX'",
        ];
    }

    protected function getQuotesDropForeignKeySQL() : string
    {
        return 'ALTER TABLE [table] DROP CONSTRAINT [select]';
    }

    protected function getQuotesDropConstraintSQL() : string
    {
        return 'ALTER TABLE [table] DROP CONSTRAINT [select]';
    }

    /**
     * @param mixed[] $column
     *
     * @dataProvider getGeneratesIdentifierNamesInDefaultConstraintDeclarationSQL
     * @group DBAL-830
     */
    public function testGeneratesIdentifierNamesInDefaultConstraintDeclarationSQL(string $table, array $column, string $expectedSql) : void
    {
        assert($this->platform instanceof SQLServerPlatform);
        self::assertSame($expectedSql, $this->platform->getDefaultConstraintDeclarationSQL($table, $column));
    }

    /**
     * @return mixed[][]
     */
    public static function getGeneratesIdentifierNamesInDefaultConstraintDeclarationSQL() : iterable
    {
        return [
            // Unquoted identifiers non-reserved keywords.
            ['mytable', ['name' => 'mycolumn', 'default' => 'foo'], " CONSTRAINT DF_6B2BD609_9BADD926 DEFAULT 'foo' FOR mycolumn"],
            // Quoted identifiers non-reserved keywords.
            ['`mytable`', ['name' => '`mycolumn`', 'default' => 'foo'], " CONSTRAINT DF_6B2BD609_9BADD926 DEFAULT 'foo' FOR [mycolumn]"],
            // Unquoted identifiers reserved keywords.
            ['table', ['name' => 'select', 'default' => 'foo'], " CONSTRAINT DF_F6298F46_4BF2EAC0 DEFAULT 'foo' FOR [select]"],
            // Quoted identifiers reserved keywords.
            ['`table`', ['name' => '`select`', 'default' => 'foo'], " CONSTRAINT DF_F6298F46_4BF2EAC0 DEFAULT 'foo' FOR [select]"],
        ];
    }

    /**
     * @param string[] $expectedSql
     *
     * @dataProvider getGeneratesIdentifierNamesInCreateTableSQL
     * @group DBAL-830
     */
    public function testGeneratesIdentifierNamesInCreateTableSQL(Table $table, array $expectedSql) : void
    {
        self::assertSame($expectedSql, $this->platform->getCreateTableSQL($table));
    }

    /**
     * @return mixed[][]
     */
    public static function getGeneratesIdentifierNamesInCreateTableSQL() : iterable
    {
        return [
            // Unquoted identifiers non-reserved keywords.
            [
                new Table('mytable', [
                    new Column('mycolumn', Type::getType('string'), [
                        'length' => 255,
                        'default' => 'foo',
                    ]),
                ]),
                [
                    'CREATE TABLE mytable (mycolumn NVARCHAR(255) NOT NULL)',
                    "ALTER TABLE mytable ADD CONSTRAINT DF_6B2BD609_9BADD926 DEFAULT 'foo' FOR mycolumn",
                ],
            ],
            // Quoted identifiers reserved keywords.
            [
                new Table('`mytable`', [
                    new Column('`mycolumn`', Type::getType('string'), [
                        'length' => 255,
                        'default' => 'foo',
                    ]),
                ]),
                [
                    'CREATE TABLE [mytable] ([mycolumn] NVARCHAR(255) NOT NULL)',
                    "ALTER TABLE [mytable] ADD CONSTRAINT DF_6B2BD609_9BADD926 DEFAULT 'foo' FOR [mycolumn]",
                ],
            ],
            // Unquoted identifiers reserved keywords.
            [
                new Table('table', [
                    new Column('select', Type::getType('string'), [
                        'length' => 255,
                        'default' => 'foo',
                    ]),
                ]),
                [
                    'CREATE TABLE [table] ([select] NVARCHAR(255) NOT NULL)',
                    "ALTER TABLE [table] ADD CONSTRAINT DF_F6298F46_4BF2EAC0 DEFAULT 'foo' FOR [select]",
                ],
            ],
            // Quoted identifiers reserved keywords.
            [
                new Table('`table`', [
                    new Column('`select`', Type::getType('string'), [
                        'length' => 255,
                        'default' => 'foo',
                    ]),
                ]),
                [
                    'CREATE TABLE [table] ([select] NVARCHAR(255) NOT NULL)',
                    "ALTER TABLE [table] ADD CONSTRAINT DF_F6298F46_4BF2EAC0 DEFAULT 'foo' FOR [select]",
                ],
            ],
        ];
    }

    /**
     * @param string[] $expectedSql
     *
     * @dataProvider getGeneratesIdentifierNamesInAlterTableSQL
     * @group DBAL-830
     */
    public function testGeneratesIdentifierNamesInAlterTableSQL(TableDiff $tableDiff, array $expectedSql) : void
    {
        self::assertSame($expectedSql, $this->platform->getAlterTableSQL($tableDiff));
    }

    /**
     * @return mixed[][]
     */
    public static function getGeneratesIdentifierNamesInAlterTableSQL() : iterable
    {
        return [
            // Unquoted identifiers non-reserved keywords.
            [
                new TableDiff(
                    'mytable',
                    [
                        'addcolumn' => new Column('addcolumn', Type::getType('string'), [
                            'length' => 255,
                            'default' => 'foo',
                        ]),
                    ],
                    [
                        'mycolumn' => new ColumnDiff(
                            'mycolumn',
                            new Column('mycolumn', Type::getType('string'), [
                                'length' => 255,
                                'default' => 'bar',
                            ]),
                            ['default'],
                            new Column('mycolumn', Type::getType('string'), [
                                'length' => 255,
                                'default' => 'foo',
                            ])
                        ),
                    ],
                    [
                        'removecolumn' => new Column('removecolumn', Type::getType('string'), [
                            'length' => 255,
                            'default' => 'foo',
                        ]),
                    ]
                ),
                [
                    'ALTER TABLE mytable ADD addcolumn NVARCHAR(255) NOT NULL',
                    "ALTER TABLE mytable ADD CONSTRAINT DF_6B2BD609_4AD86123 DEFAULT 'foo' FOR addcolumn",
                    'ALTER TABLE mytable DROP COLUMN removecolumn',
                    'ALTER TABLE mytable DROP CONSTRAINT DF_6B2BD609_9BADD926',
                    'ALTER TABLE mytable ALTER COLUMN mycolumn NVARCHAR(255) NOT NULL',
                    "ALTER TABLE mytable ADD CONSTRAINT DF_6B2BD609_9BADD926 DEFAULT 'bar' FOR mycolumn",
                ],
            ],
            // Quoted identifiers non-reserved keywords.
            [
                new TableDiff(
                    '`mytable`',
                    [
                        'addcolumn' => new Column('`addcolumn`', Type::getType('string'), [
                            'length' => 255,
                            'default' => 'foo',
                        ]),
                    ],
                    [
                        'mycolumn' => new ColumnDiff(
                            '`mycolumn`',
                            new Column('`mycolumn`', Type::getType('string'), [
                                'length' => 255,
                                'default' => 'bar',
                            ]),
                            ['default'],
                            new Column('`mycolumn`', Type::getType('string'), [
                                'length' => 255,
                                'default' => 'foo',
                            ])
                        ),
                    ],
                    [
                        'removecolumn' => new Column('`removecolumn`', Type::getType('string'), [
                            'length' => 255,
                            'default' => 'foo',
                        ]),
                    ]
                ),
                [
                    'ALTER TABLE [mytable] ADD [addcolumn] NVARCHAR(255) NOT NULL',
                    "ALTER TABLE [mytable] ADD CONSTRAINT DF_6B2BD609_4AD86123 DEFAULT 'foo' FOR [addcolumn]",
                    'ALTER TABLE [mytable] DROP COLUMN [removecolumn]',
                    'ALTER TABLE [mytable] DROP CONSTRAINT DF_6B2BD609_9BADD926',
                    'ALTER TABLE [mytable] ALTER COLUMN [mycolumn] NVARCHAR(255) NOT NULL',
                    "ALTER TABLE [mytable] ADD CONSTRAINT DF_6B2BD609_9BADD926 DEFAULT 'bar' FOR [mycolumn]",
                ],
            ],
            // Unquoted identifiers reserved keywords.
            [
                new TableDiff(
                    'table',
                    [
                        'add' => new Column('add', Type::getType('string'), [
                            'length' => 255,
                            'default' => 'foo',
                        ]),
                    ],
                    [
                        'select' => new ColumnDiff(
                            'select',
                            new Column('select', Type::getType('string'), [
                                'length' => 255,
                                'default' => 'bar',
                            ]),
                            ['default'],
                            new Column('select', Type::getType('string'), [
                                'length' => 255,
                                'default' => 'foo',
                            ])
                        ),
                    ],
                    [
                        'drop' => new Column('drop', Type::getType('string'), [
                            'length' => 255,
                            'default' => 'foo',
                        ]),
                    ]
                ),
                [
                    'ALTER TABLE [table] ADD [add] NVARCHAR(255) NOT NULL',
                    "ALTER TABLE [table] ADD CONSTRAINT DF_F6298F46_FD1A73E7 DEFAULT 'foo' FOR [add]",
                    'ALTER TABLE [table] DROP COLUMN [drop]',
                    'ALTER TABLE [table] DROP CONSTRAINT DF_F6298F46_4BF2EAC0',
                    'ALTER TABLE [table] ALTER COLUMN [select] NVARCHAR(255) NOT NULL',
                    "ALTER TABLE [table] ADD CONSTRAINT DF_F6298F46_4BF2EAC0 DEFAULT 'bar' FOR [select]",
                ],
            ],
            // Quoted identifiers reserved keywords.
            [
                new TableDiff(
                    '`table`',
                    [
                        'add' => new Column('`add`', Type::getType('string'), [
                            'length' => 255,
                            'default' => 'foo',
                        ]),
                    ],
                    [
                        'select' => new ColumnDiff(
                            '`select`',
                            new Column('`select`', Type::getType('string'), [
                                'length' => 255,
                                'default' => 'bar',
                            ]),
                            ['default'],
                            new Column('`select`', Type::getType('string'), [
                                'length' => 255,
                                'default' => 'foo',
                            ])
                        ),
                    ],
                    [
                        'drop' => new Column('`drop`', Type::getType('string'), [
                            'length' => 255,
                            'default' => 'foo',
                        ]),
                    ]
                ),
                [
                    'ALTER TABLE [table] ADD [add] NVARCHAR(255) NOT NULL',
                    "ALTER TABLE [table] ADD CONSTRAINT DF_F6298F46_FD1A73E7 DEFAULT 'foo' FOR [add]",
                    'ALTER TABLE [table] DROP COLUMN [drop]',
                    'ALTER TABLE [table] DROP CONSTRAINT DF_F6298F46_4BF2EAC0',
                    'ALTER TABLE [table] ALTER COLUMN [select] NVARCHAR(255) NOT NULL',
                    "ALTER TABLE [table] ADD CONSTRAINT DF_F6298F46_4BF2EAC0 DEFAULT 'bar' FOR [select]",
                ],
            ],
        ];
    }

    /**
     * @group DBAL-423
     */
    public function testReturnsGuidTypeDeclarationSQL() : void
    {
        self::assertSame('UNIQUEIDENTIFIER', $this->platform->getGuidTypeDeclarationSQL([]));
    }

    /**
     * {@inheritdoc}
     */
    public function getAlterTableRenameColumnSQL() : array
    {
        return [
            "sp_RENAME 'foo.bar', 'baz', 'COLUMN'",
            'ALTER TABLE foo DROP CONSTRAINT DF_8C736521_76FF8CAA',
            'ALTER TABLE foo ADD CONSTRAINT DF_8C736521_78240498 DEFAULT 666 FOR baz',
        ];
    }

    /**
     * {@inheritdoc}
     */
    protected function getQuotesTableIdentifiersInAlterTableSQL() : array
    {
        return [
            'ALTER TABLE [foo] DROP CONSTRAINT fk1',
            'ALTER TABLE [foo] DROP CONSTRAINT fk2',
            "sp_RENAME '[foo].id', 'war', 'COLUMN'",
            'ALTER TABLE [foo] ADD bloo INT NOT NULL',
            'ALTER TABLE [foo] DROP COLUMN baz',
            'ALTER TABLE [foo] ALTER COLUMN bar INT',
            "sp_RENAME '[foo]', 'table'",
            "DECLARE @sql NVARCHAR(MAX) = N''; " .
            "SELECT @sql += N'EXEC sp_rename N''' + dc.name + ''', N''' + REPLACE(dc.name, '8C736521', 'F6298F46') + ''', " .
            "''OBJECT'';' FROM sys.default_constraints dc JOIN sys.tables tbl ON dc.parent_object_id = tbl.object_id " .
            "WHERE tbl.name = 'table';EXEC sp_executesql @sql",
            'ALTER TABLE [table] ADD CONSTRAINT fk_add FOREIGN KEY (fk3) REFERENCES fk_table (id)',
            'ALTER TABLE [table] ADD CONSTRAINT fk2 FOREIGN KEY (fk2) REFERENCES fk_table2 (id)',
        ];
    }

    /**
     * {@inheritdoc}
     */
    protected function getCommentOnColumnSQL() : array
    {
        return [
            "COMMENT ON COLUMN foo.bar IS 'comment'",
            "COMMENT ON COLUMN [Foo].[BAR] IS 'comment'",
            "COMMENT ON COLUMN [select].[from] IS 'comment'",
        ];
    }

    /**
     * {@inheritdoc}
     */
    public static function getReturnsForeignKeyReferentialActionSQL() : iterable
    {
        return [
            ['CASCADE', 'CASCADE'],
            ['SET NULL', 'SET NULL'],
            ['NO ACTION', 'NO ACTION'],
            ['RESTRICT', 'NO ACTION'],
            ['SET DEFAULT', 'SET DEFAULT'],
            ['CaScAdE', 'CASCADE'],
        ];
    }

    /**
     * {@inheritdoc}
     */
    protected function getQuotesReservedKeywordInUniqueConstraintDeclarationSQL() : string
    {
        return 'CONSTRAINT [select] UNIQUE (foo)';
    }

    /**
     * {@inheritdoc}
     */
    protected function getQuotesReservedKeywordInIndexDeclarationSQL() : string
    {
        return 'INDEX [select] (foo)';
    }

    /**
     * {@inheritdoc}
     */
    protected function getQuotesReservedKeywordInTruncateTableSQL() : string
    {
        return 'TRUNCATE TABLE [select]';
    }

    /**
     * {@inheritdoc}
     */
    protected function getAlterStringToFixedStringSQL() : array
    {
        return ['ALTER TABLE mytable ALTER COLUMN name NCHAR(2) NOT NULL'];
    }

    /**
     * {@inheritdoc}
     */
    protected function getGeneratesAlterTableRenameIndexUsedByForeignKeySQL() : array
    {
        return ["EXEC sp_RENAME N'mytable.idx_foo', N'idx_foo_renamed', N'INDEX'"];
    }

    public function testModifyLimitQueryWithTopNSubQueryWithOrderBy() : void
    {
        $querySql    = 'SELECT * FROM test t WHERE t.id = (SELECT TOP 1 t2.id FROM test t2 ORDER BY t2.data DESC)';
        $expectedSql = 'SELECT * FROM test t WHERE t.id = (SELECT TOP 1 t2.id FROM test t2 ORDER BY t2.data DESC) ORDER BY (SELECT 0) OFFSET 0 ROWS FETCH NEXT 10 ROWS ONLY';
        $sql         = $this->platform->modifyLimitQuery($querySql, 10);
        self::assertEquals($expectedSql, $sql);

        $querySql    = 'SELECT * FROM test t WHERE t.id = (SELECT TOP 1 t2.id FROM test t2 ORDER BY t2.data DESC) ORDER BY t.data2 DESC';
        $expectedSql = 'SELECT * FROM test t WHERE t.id = (SELECT TOP 1 t2.id FROM test t2 ORDER BY t2.data DESC) ORDER BY t.data2 DESC OFFSET 0 ROWS FETCH NEXT 10 ROWS ONLY';
        $sql         = $this->platform->modifyLimitQuery($querySql, 10);
        self::assertEquals($expectedSql, $sql);
    }

    public function testModifyLimitQueryWithFromSubquery() : void
    {
        $sql = $this->platform->modifyLimitQuery('SELECT DISTINCT id_0 FROM (SELECT k0_.id AS id_0 FROM key_measure k0_ WHERE (k0_.id_zone in(2))) dctrn_result', 10);

        $expected = 'SELECT DISTINCT id_0 FROM (SELECT k0_.id AS id_0 FROM key_measure k0_ WHERE (k0_.id_zone in(2))) dctrn_result ORDER BY 1 OFFSET 0 ROWS FETCH NEXT 10 ROWS ONLY';

        self::assertEquals($sql, $expected);
    }

    public function testModifyLimitQueryWithFromSubqueryAndOrder() : void
    {
        $sql = $this->platform->modifyLimitQuery('SELECT DISTINCT id_0, value_1 FROM (SELECT k0_.id AS id_0, k0_.value AS value_1 FROM key_measure k0_ WHERE (k0_.id_zone in(2))) dctrn_result ORDER BY value_1 DESC', 10);

        $expected = 'SELECT DISTINCT id_0, value_1 FROM (SELECT k0_.id AS id_0, k0_.value AS value_1 FROM key_measure k0_ WHERE (k0_.id_zone in(2))) dctrn_result ORDER BY value_1 DESC OFFSET 0 ROWS FETCH NEXT 10 ROWS ONLY';

        self::assertEquals($sql, $expected);
    }

    public function testModifyLimitQueryWithComplexOrderByExpression() : void
    {
        $sql = $this->platform->modifyLimitQuery('SELECT * FROM table ORDER BY (table.x * table.y) DESC', 10);

        $expected = 'SELECT * FROM table ORDER BY (table.x * table.y) DESC OFFSET 0 ROWS FETCH NEXT 10 ROWS ONLY';

        self::assertEquals($sql, $expected);
    }

    public function testModifyLimitQueryWithNewlineBeforeOrderBy() : void
    {
        $querySql    = "SELECT * FROM test\nORDER BY col DESC";
        $expectedSql = "SELECT * FROM test\nORDER BY col DESC OFFSET 0 ROWS FETCH NEXT 10 ROWS ONLY";
        $sql         = $this->platform->modifyLimitQuery($querySql, 10);
        self::assertEquals($expectedSql, $sql);
    }

    /**
     * @group DBAL-2436
     */
    public function testQuotesTableNameInListTableColumnsSQL() : void
    {
        self::assertStringContainsStringIgnoringCase(
            "'Foo''Bar\\'",
            $this->platform->getListTableColumnsSQL("Foo'Bar\\")
        );
    }

    /**
     * @group DBAL-2436
     */
    public function testQuotesSchemaNameInListTableColumnsSQL() : void
    {
        self::assertStringContainsStringIgnoringCase(
            "'Foo''Bar\\'",
            $this->platform->getListTableColumnsSQL("Foo'Bar\\.baz_table")
        );
    }

    /**
     * @group DBAL-2436
     */
    public function testQuotesTableNameInListTableForeignKeysSQL() : void
    {
        self::assertStringContainsStringIgnoringCase(
            "'Foo''Bar\\'",
            $this->platform->getListTableForeignKeysSQL("Foo'Bar\\")
        );
    }

    /**
     * @group DBAL-2436
     */
    public function testQuotesSchemaNameInListTableForeignKeysSQL() : void
    {
        self::assertStringContainsStringIgnoringCase(
            "'Foo''Bar\\'",
            $this->platform->getListTableForeignKeysSQL("Foo'Bar\\.baz_table")
        );
    }

    /**
     * @group DBAL-2436
     */
    public function testQuotesTableNameInListTableIndexesSQL() : void
    {
        self::assertStringContainsStringIgnoringCase(
            "'Foo''Bar\\'",
            $this->platform->getListTableIndexesSQL("Foo'Bar\\")
        );
    }

    /**
     * @group DBAL-2436
     */
    public function testQuotesSchemaNameInListTableIndexesSQL() : void
    {
        self::assertStringContainsStringIgnoringCase(
            "'Foo''Bar\\'",
            $this->platform->getListTableIndexesSQL("Foo'Bar\\.baz_table")
        );
    }

    /**
     * @group 2859
     */
    public function testGetDefaultValueDeclarationSQLForDateType() : void
    {
        $currentDateSql = $this->platform->getCurrentDateSQL();
        foreach (['date', 'date_immutable'] as $type) {
            $field = [
                'type' => Type::getType($type),
                'default' => $currentDateSql,
            ];

            self::assertSame(
                ' DEFAULT CONVERT(date, GETDATE())',
                $this->platform->getDefaultValueDeclarationSQL($field)
            );
        }
    }

    public function testSupportsColumnCollation() : void
    {
        self::assertTrue($this->platform->supportsColumnCollation());
    }

    public function testColumnCollationDeclarationSQL() : void
    {
        self::assertSame(
            'COLLATE Latin1_General_CS_AS_KS_WS',
            $this->platform->getColumnCollationDeclarationSQL('Latin1_General_CS_AS_KS_WS')
        );
    }

    public function testGetCreateTableSQLWithColumnCollation() : void
    {
        $table = new Table('foo');
        $table->addColumn('no_collation', 'string', ['length' => 255]);
        $table->addColumn('column_collation', 'string', ['length' => 255])->setPlatformOption('collation', 'Latin1_General_CS_AS_KS_WS');

        self::assertSame(
            ['CREATE TABLE foo (no_collation NVARCHAR(255) NOT NULL, column_collation NVARCHAR(255) COLLATE Latin1_General_CS_AS_KS_WS NOT NULL)'],
            $this->platform->getCreateTableSQL($table),
            'Column "no_collation" will use the default collation from the table/database and "column_collation" overwrites the collation on this column'
        );
    }

    public function testSupportsSequences() : void
    {
        self::assertTrue($this->platform->supportsSequences());
    }

    public function testDoesNotPreferSequences() : void
    {
        self::assertFalse($this->platform->prefersSequences());
    }

    public function testGeneratesSequenceSqlCommands() : void
    {
        $sequence = new Sequence('myseq', 20, 1);
        self::assertEquals(
            'CREATE SEQUENCE myseq START WITH 1 INCREMENT BY 20 MINVALUE 1',
            $this->platform->getCreateSequenceSQL($sequence)
        );
        self::assertEquals(
            'ALTER SEQUENCE myseq INCREMENT BY 20',
            $this->platform->getAlterSequenceSQL($sequence)
        );
        self::assertEquals(
            'DROP SEQUENCE myseq',
            $this->platform->getDropSequenceSQL('myseq')
        );
        self::assertEquals(
            'SELECT NEXT VALUE FOR myseq',
            $this->platform->getSequenceNextValSQL('myseq')
        );
    }
}

doctrine / dbal

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testSupportsSequences() A

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