SQLServerSchemaManager::closeActiveDatabaseConnections() - Code Metrics - Inspection of "Manually merge 2.10.x into 2.11.x" - doctrine/dbal - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — 2.11.x (#3971)

by Grégoire

created 2020-04-21 20:25 UTC

closeActiveDatabaseConnections() A

↳ Parent: SQLServerSchemaManager

Complexity

Conditions	1
Paths	1

Size

Total Lines	8
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	1.0046

Importance

Changes

Metric	Value
eloc	5
dl	0
loc	8
ccs	5
cts	6
cp	0.8333
rs	10
c	0
b	0
f	0
cc	1
nc	1
nop	1
crap	1.0046

<?php

namespace Doctrine\DBAL\Schema;

use Doctrine\DBAL\DBALException;
use Doctrine\DBAL\Driver\DriverException;
use Doctrine\DBAL\Platforms\SQLServerPlatform;
use Doctrine\DBAL\Types\Type;
use PDOException;
use Throwable;
use function assert;
use function count;
use function in_array;
use function is_string;
use function preg_match;
use function sprintf;
use function str_replace;
use function strpos;
use function strtok;

/**
 * SQL Server Schema Manager.
 */
class SQLServerSchemaManager extends AbstractSchemaManager
{
    /**
     * {@inheritdoc}
     */
    public function dropDatabase($database)
    {
        try {
            parent::dropDatabase($database);
        } catch (DBALException $exception) {
            $exception = $exception->getPrevious();
            assert($exception instanceof Throwable);

            if (! $exception instanceof DriverException) {
                throw $exception;
            }

            // If we have a error code 3702, the drop database operation failed
            // because of active connections on the database.
            // To force dropping the database, we first have to close all active connections
            // on that database and issue the drop database operation again.
            if ($exception->getErrorCode() !== 3702) {
                throw $exception;
            }

            $this->closeActiveDatabaseConnections($database);

            parent::dropDatabase($database);
        }
    }

    /**
     * {@inheritdoc}
     */
    protected function _getPortableSequenceDefinition($sequence)
    {
        return new Sequence($sequence['name'], (int) $sequence['increment'], (int) $sequence['start_value']);
    }

    /**
     * {@inheritdoc}
     */
    protected function _getPortableTableColumnDefinition($tableColumn)
    {
        $dbType = strtok($tableColumn['type'], '(), ');
        assert(is_string($dbType));

        $fixed   = null;
        $length  = (int) $tableColumn['length'];
        $default = $tableColumn['default'];

        if (! isset($tableColumn['name'])) {
            $tableColumn['name'] = '';
        }

        if ($default !== null) {
            $default = $this->parseDefaultExpression($default);
        }

        switch ($dbType) {
            case 'nchar':
            case 'nvarchar':
            case 'ntext':
                // Unicode data requires 2 bytes per character
                $length /= 2;
                break;
            case 'varchar':
                // TEXT type is returned as VARCHAR(MAX) with a length of -1
                if ($length === -1) {
                    $dbType = 'text';
                }
                break;
        }

        if ($dbType === 'char' || $dbType === 'nchar' || $dbType === 'binary') {
            $fixed = true;
        }

        $type                   = $this->_platform->getDoctrineTypeMapping($dbType);
        $type                   = $this->extractDoctrineTypeFromComment($tableColumn['comment'], $type);
        $tableColumn['comment'] = $this->removeDoctrineTypeFromComment($tableColumn['comment'], $type);

        $options = [
            'length'        => $length === 0 || ! in_array($type, ['text', 'string']) ? null : $length,
            'unsigned'      => false,
            'fixed'         => (bool) $fixed,
            'default'       => $default,
            'notnull'       => (bool) $tableColumn['notnull'],
            'scale'         => $tableColumn['scale'],
            'precision'     => $tableColumn['precision'],
            'autoincrement' => (bool) $tableColumn['autoincrement'],
            'comment'       => $tableColumn['comment'] !== '' ? $tableColumn['comment'] : null,
        ];

        $column = new Column($tableColumn['name'], Type::getType($type), $options);

        if (isset($tableColumn['collation']) && $tableColumn['collation'] !== 'NULL') {
            $column->setPlatformOption('collation', $tableColumn['collation']);
        }

        return $column;
    }

    private function parseDefaultExpression(string $value) : ?string
    {
        while (preg_match('/^\((.*)\)$/s', $value, $matches)) {
            $value = $matches[1];
        }

        if ($value === 'NULL') {
            return null;
        }

        if (preg_match('/^\'(.*)\'$/s', $value, $matches)) {
            $value = str_replace("''", "'", $matches[1]);
        }

        if ($value === 'getdate()') {
            return $this->_platform->getCurrentTimestampSQL();
        }

        return $value;
    }

    /**
     * {@inheritdoc}
     */
    protected function _getPortableTableForeignKeysList($tableForeignKeys)
    {
        $foreignKeys = [];

        foreach ($tableForeignKeys as $tableForeignKey) {
            if (! isset($foreignKeys[$tableForeignKey['ForeignKey']])) {
                $foreignKeys[$tableForeignKey['ForeignKey']] = [
                    'local_columns' => [$tableForeignKey['ColumnName']],
                    'foreign_table' => $tableForeignKey['ReferenceTableName'],
                    'foreign_columns' => [$tableForeignKey['ReferenceColumnName']],
                    'name' => $tableForeignKey['ForeignKey'],
                    'options' => [
                        'onUpdate' => str_replace('_', ' ', $tableForeignKey['update_referential_action_desc']),
                        'onDelete' => str_replace('_', ' ', $tableForeignKey['delete_referential_action_desc']),
                    ],
                ];
            } else {
                $foreignKeys[$tableForeignKey['ForeignKey']]['local_columns'][]   = $tableForeignKey['ColumnName'];
                $foreignKeys[$tableForeignKey['ForeignKey']]['foreign_columns'][] = $tableForeignKey['ReferenceColumnName'];
            }
        }

        return parent::_getPortableTableForeignKeysList($foreignKeys);
    }

    /**
     * {@inheritdoc}
     */
    protected function _getPortableTableIndexesList($tableIndexRows, $tableName = null)
    {
        foreach ($tableIndexRows as &$tableIndex) {
            $tableIndex['non_unique'] = (bool) $tableIndex['non_unique'];
            $tableIndex['primary']    = (bool) $tableIndex['primary'];
            $tableIndex['flags']      = $tableIndex['flags'] ? [$tableIndex['flags']] : null;
        }

        return parent::_getPortableTableIndexesList($tableIndexRows, $tableName);
    }

    /**
     * {@inheritdoc}
     */
    protected function _getPortableTableForeignKeyDefinition($tableForeignKey)
    {
        return new ForeignKeyConstraint(
            $tableForeignKey['local_columns'],
            $tableForeignKey['foreign_table'],
            $tableForeignKey['foreign_columns'],
            $tableForeignKey['name'],
            $tableForeignKey['options']
        );
    }

    /**
     * {@inheritdoc}
     */
    protected function _getPortableTableDefinition($table)
    {
        if (isset($table['schema_name']) && $table['schema_name'] !== 'dbo') {
            return $table['schema_name'] . '.' . $table['name'];
        }

        return $table['name'];
    }

    /**
     * {@inheritdoc}
     */
    protected function _getPortableDatabaseDefinition($database)
    {
        return $database['name'];
    }

    /**
     * {@inheritdoc}
     */
    protected function getPortableNamespaceDefinition(array $namespace)
    {
        return $namespace['name'];
    }

    /**
     * {@inheritdoc}
     */
    protected function _getPortableViewDefinition($view)
    {
        // @todo
        return new View($view['name'], '');
    }

    /**
     * {@inheritdoc}
     */
    public function listTableIndexes($table)
    {
        $sql = $this->_platform->getListTableIndexesSQL($table, $this->_conn->getDatabase());

        try {
            $tableIndexes = $this->_conn->fetchAll($sql);
        } catch (PDOException $e) {
            if ($e->getCode() === 'IMSSP') {
                return [];
            }

            throw $e;
        } catch (DBALException $e) {
            if (strpos($e->getMessage(), 'SQLSTATE [01000, 15472]') === 0) {
                return [];
            }

            throw $e;
        }

        return $this->_getPortableTableIndexesList($tableIndexes, $table);
    }

    /**
     * {@inheritdoc}
     */
    public function alterTable(TableDiff $tableDiff)
    {
        if (count($tableDiff->removedColumns) > 0) {
            foreach ($tableDiff->removedColumns as $col) {
                $columnConstraintSql = $this->getColumnConstraintSQL($tableDiff->name, $col->getName());
                foreach ($this->_conn->fetchAll($columnConstraintSql) as $constraint) {
                    $this->_conn->exec(
                        sprintf(
                            'ALTER TABLE %s DROP CONSTRAINT %s',
                            $tableDiff->name,
                            $constraint['Name']
                        )
                    );
                }
            }
        }

        parent::alterTable($tableDiff);
    }

    /**
     * Returns the SQL to retrieve the constraints for a given column.
     *
     * @param string $table
     * @param string $column
     *
     * @return string
     */
    private function getColumnConstraintSQL($table, $column)
    {
        return "SELECT SysObjects.[Name]
            FROM SysObjects INNER JOIN (SELECT [Name],[ID] FROM SysObjects WHERE XType = 'U') AS Tab
            ON Tab.[ID] = Sysobjects.[Parent_Obj]
            INNER JOIN sys.default_constraints DefCons ON DefCons.[object_id] = Sysobjects.[ID]
            INNER JOIN SysColumns Col ON Col.[ColID] = DefCons.[parent_column_id] AND Col.[ID] = Tab.[ID]
            WHERE Col.[Name] = " . $this->_conn->quote($column) . ' AND Tab.[Name] = ' . $this->_conn->quote($table) . '
            ORDER BY Col.[Name]';
    }

    /**
     * Closes currently active connections on the given database.
     *
     * This is useful to force DROP DATABASE operations which could fail because of active connections.
     *
     * @param string $database The name of the database to close currently active connections for.
     *
     * @return void
     */
    private function closeActiveDatabaseConnections($database)
    {
        $database = new Identifier($database);

        $this->_execSql(
            sprintf(
                'ALTER DATABASE %s SET SINGLE_USER WITH ROLLBACK IMMEDIATE',
                $database->getQuotedName($this->_platform)
            )
        );
    }

    /**
     * @param string $tableName
     */
    public function listTableDetails($tableName) : Table
    {
        $table = parent::listTableDetails($tableName);

        /** @var SQLServerPlatform $platform */
        $platform = $this->_platform;
        $sql      = $platform->getListTableMetadataSQL($tableName);

        $tableOptions = $this->_conn->fetchAssoc($sql);

        if ($tableOptions !== false) {
            $table->addOption('comment', $tableOptions['table_comment']);
        }

        return $table;
    }
}


1		<?php
2
3		namespace Doctrine\DBAL\Schema;
4
5		use Doctrine\DBAL\DBALException;
6		use Doctrine\DBAL\Driver\DriverException;
7		use Doctrine\DBAL\Platforms\SQLServerPlatform;
8		use Doctrine\DBAL\Types\Type;
9		use PDOException;
10		use Throwable;
11		use function assert;
12		use function count;
13		use function in_array;
14		use function is_string;
15		use function preg_match;
16		use function sprintf;
17		use function str_replace;
18		use function strpos;
19		use function strtok;
20
21		/**
22		* SQL Server Schema Manager.
23		*/
24		class SQLServerSchemaManager extends AbstractSchemaManager
25		{
26		/**
27		* {@inheritdoc}
28		*/
29	141	public function dropDatabase($database)
30		{
31		try {
32	141	parent::dropDatabase($database);
33	141	} catch (DBALException $exception) {
34	141	$exception = $exception->getPrevious();
35	141	assert($exception instanceof Throwable);
36
37	141	if (! $exception instanceof DriverException) {
38		throw $exception;
39		}
40
41		// If we have a error code 3702, the drop database operation failed
42		// because of active connections on the database.
43		// To force dropping the database, we first have to close all active connections
44		// on that database and issue the drop database operation again.
45	141	if ($exception->getErrorCode() !== 3702) {
46	141	throw $exception;
47		}
48
49	106	$this->closeActiveDatabaseConnections($database);
50
51	106	parent::dropDatabase($database);
52		}
53	106	}
54
55		/**
56		* {@inheritdoc}
57		*/
58	104	protected function _getPortableSequenceDefinition($sequence)
59		{
60	104	return new Sequence($sequence['name'], (int) $sequence['increment'], (int) $sequence['start_value']);
61		}
62
63		/**
64		* {@inheritdoc}
65		*/
66	149	protected function _getPortableTableColumnDefinition($tableColumn)
67		{
68	149	$dbType = strtok($tableColumn['type'], '(), ');
69	149	assert(is_string($dbType));
70
71	149	$fixed = null;
72	149	$length = (int) $tableColumn['length'];
73	149	$default = $tableColumn['default'];
74
75	149	if (! isset($tableColumn['name'])) {
76	26	$tableColumn['name'] = '';
77		}
78
79	149	if ($default !== null) {
80	127	$default = $this->parseDefaultExpression($default);
81		}
82
83	1	switch ($dbType) {
84	149	case 'nchar':
85	149	case 'nvarchar':
86	149	case 'ntext':
87		// Unicode data requires 2 bytes per character
88	123	$length /= 2;
89	123	break;
90	149	case 'varchar':
91		// TEXT type is returned as VARCHAR(MAX) with a length of -1
92	110	if ($length === -1) {
93	110	$dbType = 'text';
94		}
95	110	break;
96		}
97
98	149	if ($dbType === 'char' \|\| $dbType === 'nchar' \|\| $dbType === 'binary') {
99	96	$fixed = true;
100		}
101
102	149	$type = $this->_platform->getDoctrineTypeMapping($dbType);
103	149	$type = $this->extractDoctrineTypeFromComment($tableColumn['comment'], $type);
104	149	$tableColumn['comment'] = $this->removeDoctrineTypeFromComment($tableColumn['comment'], $type);
105
106		$options = [
107	149	'length' => $length === 0 \|\| ! in_array($type, ['text', 'string']) ? null : $length,
108		'unsigned' => false,
109	149	'fixed' => (bool) $fixed,
110	149	'default' => $default,
111	149	'notnull' => (bool) $tableColumn['notnull'],
112	149	'scale' => $tableColumn['scale'],
113	149	'precision' => $tableColumn['precision'],
114	149	'autoincrement' => (bool) $tableColumn['autoincrement'],
115	149	'comment' => $tableColumn['comment'] !== '' ? $tableColumn['comment'] : null,
116		];
117
118	149	$column = new Column($tableColumn['name'], Type::getType($type), $options);
119
120	149	if (isset($tableColumn['collation']) && $tableColumn['collation'] !== 'NULL') {
121	145	$column->setPlatformOption('collation', $tableColumn['collation']);
122		}
123
124	149	return $column;
125		}
126
127	127	private function parseDefaultExpression(string $value) : ?string
128		{
129	127	while (preg_match('/^\((.*)\)$/s', $value, $matches)) {
130	127	$value = $matches[1];
131		}
132
133	127	if ($value === 'NULL') {
134		return null;
135		}
136
137	127	if (preg_match('/^\'(.*)\'$/s', $value, $matches)) {
138	125	$value = str_replace("''", "'", $matches[1]);
139		}
140
141	127	if ($value === 'getdate()') {
142	96	return $this->_platform->getCurrentTimestampSQL();
143		}
144
145	127	return $value;
146		}
147
148		/**
149		* {@inheritdoc}
150		*/
151	127	protected function _getPortableTableForeignKeysList($tableForeignKeys)
152		{
153	127	$foreignKeys = [];
154
155	127	foreach ($tableForeignKeys as $tableForeignKey) {
156	80	if (! isset($foreignKeys[$tableForeignKey['ForeignKey']])) {
157	80	$foreignKeys[$tableForeignKey['ForeignKey']] = [
158	80	'local_columns' => [$tableForeignKey['ColumnName']],
159	80	'foreign_table' => $tableForeignKey['ReferenceTableName'],
160	80	'foreign_columns' => [$tableForeignKey['ReferenceColumnName']],
161	80	'name' => $tableForeignKey['ForeignKey'],
162		'options' => [
163	80	'onUpdate' => str_replace('_', ' ', $tableForeignKey['update_referential_action_desc']),
164	80	'onDelete' => str_replace('_', ' ', $tableForeignKey['delete_referential_action_desc']),
165		],
166		];
167		} else {
168	50	$foreignKeys[$tableForeignKey['ForeignKey']]['local_columns'][] = $tableForeignKey['ColumnName'];
169	50	$foreignKeys[$tableForeignKey['ForeignKey']]['foreign_columns'][] = $tableForeignKey['ReferenceColumnName'];
170		}
171		}
172
173	127	return parent::_getPortableTableForeignKeysList($foreignKeys);
174		}
175
176		/**
177		* {@inheritdoc}
178		*/
179	127	protected function _getPortableTableIndexesList($tableIndexRows, $tableName = null)
180		{
181	127	foreach ($tableIndexRows as &$tableIndex) {
182	108	$tableIndex['non_unique'] = (bool) $tableIndex['non_unique'];
183	108	$tableIndex['primary'] = (bool) $tableIndex['primary'];
184	108	$tableIndex['flags'] = $tableIndex['flags'] ? [$tableIndex['flags']] : null;
185		}
186
187	127	return parent::_getPortableTableIndexesList($tableIndexRows, $tableName);
188		}
189
190		/**
191		* {@inheritdoc}
192		*/
193	80	protected function _getPortableTableForeignKeyDefinition($tableForeignKey)
194		{
195	80	return new ForeignKeyConstraint(
196	80	$tableForeignKey['local_columns'],
197	80	$tableForeignKey['foreign_table'],
198	80	$tableForeignKey['foreign_columns'],
199	80	$tableForeignKey['name'],
200	80	$tableForeignKey['options']
201		);
202		}
203
204		/**
205		* {@inheritdoc}
206		*/
207	141	protected function _getPortableTableDefinition($table)
208		{
209	141	if (isset($table['schema_name']) && $table['schema_name'] !== 'dbo') {
210	72	return $table['schema_name'] . '.' . $table['name'];
211		}
212
213	141	return $table['name'];
214		}
215
216		/**
217		* {@inheritdoc}
218		*/
219	106	protected function _getPortableDatabaseDefinition($database)
220		{
221	106	return $database['name'];
222		}
223
224		/**
225		* {@inheritdoc}
226		*/
227	98	protected function getPortableNamespaceDefinition(array $namespace)
228		{
229	98	return $namespace['name'];
230		}
231
232		/**
233		* {@inheritdoc}
234		*/
235	70	protected function _getPortableViewDefinition($view)
236		{
237		// @todo
238	70	return new View($view['name'], '');
239		}
240
241		/**
242		* {@inheritdoc}
243		*/
244	127	public function listTableIndexes($table)
245		{
246	127	$sql = $this->_platform->getListTableIndexesSQL($table, $this->_conn->getDatabase());
247
248		try {
249	127	$tableIndexes = $this->_conn->fetchAll($sql);
250		} catch (PDOException $e) {
251		if ($e->getCode() === 'IMSSP') {
252		return [];
253		}
254
255		throw $e;
256		} catch (DBALException $e) {
257		if (strpos($e->getMessage(), 'SQLSTATE [01000, 15472]') === 0) {
258		return [];
259		}
260
261		throw $e;
262		}
263
264	127	return $this->_getPortableTableIndexesList($tableIndexes, $table);
265		}
266
267		/**
268		* {@inheritdoc}
269		*/
270	116	public function alterTable(TableDiff $tableDiff)
271		{
272	116	if (count($tableDiff->removedColumns) > 0) {
273	116	foreach ($tableDiff->removedColumns as $col) {
274	116	$columnConstraintSql = $this->getColumnConstraintSQL($tableDiff->name, $col->getName());
275	116	foreach ($this->_conn->fetchAll($columnConstraintSql) as $constraint) {
276	116	$this->_conn->exec(
277	116	sprintf(
278		'ALTER TABLE %s DROP CONSTRAINT %s',
279	116	$tableDiff->name,
280	116	$constraint['Name']
281		)
282		);
283		}
284		}
285		}
286
287	116	parent::alterTable($tableDiff);
288	116	}
289
290		/**
291		* Returns the SQL to retrieve the constraints for a given column.
292		*
293		* @param string $table
294		* @param string $column
295		*
296		* @return string
297		*/
298	116	private function getColumnConstraintSQL($table, $column)
299		{
300		return "SELECT SysObjects.[Name]
301		FROM SysObjects INNER JOIN (SELECT [Name],[ID] FROM SysObjects WHERE XType = 'U') AS Tab
302		ON Tab.[ID] = Sysobjects.[Parent_Obj]
303		INNER JOIN sys.default_constraints DefCons ON DefCons.[object_id] = Sysobjects.[ID]
304		INNER JOIN SysColumns Col ON Col.[ColID] = DefCons.[parent_column_id] AND Col.[ID] = Tab.[ID]
305	116	WHERE Col.[Name] = " . $this->_conn->quote($column) . ' AND Tab.[Name] = ' . $this->_conn->quote($table) . '
306		ORDER BY Col.[Name]';
307		}
308
309		/**
310		* Closes currently active connections on the given database.
311		*
312		* This is useful to force DROP DATABASE operations which could fail because of active connections.
313		*
314		* @param string $database The name of the database to close currently active connections for.
315		*
316		* @return void
317		*/
318	106	private function closeActiveDatabaseConnections($database)
319		{
320	106	$database = new Identifier($database);
321
322	106	$this->_execSql(
323	106	sprintf(
324		'ALTER DATABASE %s SET SINGLE_USER WITH ROLLBACK IMMEDIATE',
325	106	$database->getQuotedName($this->_platform)
326		)
327		);
328	106	}
329
330		/**
331		* @param string $tableName
332		*/
333	127	public function listTableDetails($tableName) : Table
334		{
335	127	$table = parent::listTableDetails($tableName);
336
337		/** @var SQLServerPlatform $platform */
338	127	$platform = $this->_platform;
339	127	$sql = $platform->getListTableMetadataSQL($tableName);
340
341	127	$tableOptions = $this->_conn->fetchAssoc($sql);
342
343	127	if ($tableOptions !== false) {
344	6	$table->addOption('comment', $tableOptions['table_comment']);
345		}
346
347	127	return $table;
348		}
349		}
350

doctrine / dbal

Pull Request — 2.11.x (#3971)

closeActiveDatabaseConnections() A

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