SqliteSchemaManager::dropDatabase() - Code Metrics - Inspection of "Enforce parameter and return value types in the co..." - doctrine/dbal - Measure and Improve Code Quality continuously with Scrutinizer

Failed Conditions

Pull Request — develop (#3348)

by Sergei

created 2019-04-03 06:39 UTC

SqliteSchemaManager::dropDatabase() A

↳ Parent: SqliteSchemaManager

Complexity

Conditions	2
Paths	2

Size

Total Lines	7
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	2

Importance

Changes

Metric	Value
eloc	3
dl	0
loc	7
ccs	4
cts	4
cp	1
rs	10
c	0
b	0
f	0
cc	2
nc	2
nop	1
crap	2

<?php

declare(strict_types=1);

namespace Doctrine\DBAL\Schema;

use Doctrine\DBAL\DBALException;
use Doctrine\DBAL\DriverManager;
use Doctrine\DBAL\FetchMode;
use Doctrine\DBAL\Types\StringType;
use Doctrine\DBAL\Types\TextType;
use Doctrine\DBAL\Types\Type;
use const CASE_LOWER;
use function array_change_key_case;
use function array_reverse;
use function array_values;
use function count;
use function file_exists;
use function preg_match;
use function preg_match_all;
use function preg_quote;
use function preg_replace;
use function rtrim;
use function sprintf;
use function strpos;
use function strtolower;
use function unlink;
use function usort;

/**
 * Sqlite SchemaManager.
 */
class SqliteSchemaManager extends AbstractSchemaManager
{
    /**
     * {@inheritdoc}
     */
    public function dropDatabase(string $database) : void
    {
        if (! file_exists($database)) {
            return;
        }

        unlink($database);
    }

    /**
     * {@inheritdoc}
     */
    public function createDatabase(string $database) : void
    {
        $params  = $this->_conn->getParams();
        $driver  = $params['driver'];
        $options = [
            'driver' => $driver,
            'path' => $database,
        ];
        $conn    = DriverManager::getConnection($options);
        $conn->connect();
        $conn->close();
    }

    /**
     * {@inheritdoc}
     */
    public function renameTable(string $name, string $newName) : void
    {
        $tableDiff            = new TableDiff($name);
        $tableDiff->fromTable = $this->listTableDetails($name);
        $tableDiff->newName   = $newName;
        $this->alterTable($tableDiff);
    }

    /**
     * {@inheritdoc}
     */
    public function createForeignKey(ForeignKeyConstraint $foreignKey, $table) : void
    {
        $tableDiff                     = $this->getTableDiffForAlterForeignKey($table);
        $tableDiff->addedForeignKeys[] = $foreignKey;

        $this->alterTable($tableDiff);
    }

    /**
     * {@inheritdoc}
     */
    public function dropAndCreateForeignKey(ForeignKeyConstraint $foreignKey, $table) : void
    {
        $tableDiff                       = $this->getTableDiffForAlterForeignKey($table);
        $tableDiff->changedForeignKeys[] = $foreignKey;

        $this->alterTable($tableDiff);
    }

    /**
     * {@inheritdoc}
     */
    public function dropForeignKey($foreignKey, $table) : void
    {
        $tableDiff                       = $this->getTableDiffForAlterForeignKey($table);
        $tableDiff->removedForeignKeys[] = $foreignKey;

        $this->alterTable($tableDiff);
    }

    /**
     * {@inheritdoc}
     */
    public function listTableForeignKeys(string $table, ?string $database = null) : array
    {
        if ($database === null) {
            $database = $this->_conn->getDatabase();
        }
        $sql              = $this->_platform->getListTableForeignKeysSQL($table, $database);
        $tableForeignKeys = $this->_conn->fetchAll($sql);

        if (! empty($tableForeignKeys)) {
            $createSql = $this->getCreateTableSQL($table);

            if ($createSql !== null && preg_match_all(
                '#
                    (?:CONSTRAINT\s+([^\s]+)\s+)?
                    (?:FOREIGN\s+KEY[^\)]+\)\s*)?
                    REFERENCES\s+[^\s]+\s+(?:\([^\)]+\))?
                    (?:
                        [^,]*?
                        (NOT\s+DEFERRABLE|DEFERRABLE)
                        (?:\s+INITIALLY\s+(DEFERRED|IMMEDIATE))?
                    )?#isx',
                $createSql,
                $match
            )) {
                $names      = array_reverse($match[1]);
                $deferrable = array_reverse($match[2]);
                $deferred   = array_reverse($match[3]);
            } else {
                $names = $deferrable = $deferred = [];
            }

            foreach ($tableForeignKeys as $key => $value) {
                $id                                        = $value['id'];
                $tableForeignKeys[$key]['constraint_name'] = isset($names[$id]) && $names[$id] !== '' ? $names[$id] : $id;
                $tableForeignKeys[$key]['deferrable']      = isset($deferrable[$id]) && strtolower($deferrable[$id]) === 'deferrable';
                $tableForeignKeys[$key]['deferred']        = isset($deferred[$id]) && strtolower($deferred[$id]) === 'deferred';
            }
        }

        return $this->_getPortableTableForeignKeysList($tableForeignKeys);
    }

    /**
     * {@inheritdoc}
     */
    protected function _getPortableTableDefinition($table) : string
    {
        return $table['name'];
    }

    /**
     * {@inheritdoc}
     *
     * @link http://ezcomponents.org/docs/api/trunk/DatabaseSchema/ezcDbSchemaPgsqlReader.html
     */
    protected function _getPortableTableIndexesList(array $tableIndexRows, string $tableName) : array
    {
        $indexBuffer = [];

        // fetch primary
        $stmt       = $this->_conn->executeQuery(sprintf(
            'PRAGMA TABLE_INFO (%s)',
            $this->_conn->quote($tableName)
        ));
        $indexArray = $stmt->fetchAll(FetchMode::ASSOCIATIVE);

        usort($indexArray, static function ($a, $b) {
            if ($a['pk'] === $b['pk']) {
                return $a['cid'] - $b['cid'];
            }

            return $a['pk'] - $b['pk'];
        });
        foreach ($indexArray as $indexColumnRow) {
            if ($indexColumnRow['pk'] === '0') {
                continue;
            }

            $indexBuffer[] = [
                'key_name' => 'primary',
                'primary' => true,
                'non_unique' => false,
                'column_name' => $indexColumnRow['name'],
            ];
        }

        // fetch regular indexes
        foreach ($tableIndexRows as $tableIndex) {
            // Ignore indexes with reserved names, e.g. autoindexes
            if (strpos($tableIndex['name'], 'sqlite_') === 0) {
                continue;
            }

            $keyName           = $tableIndex['name'];
            $idx               = [];
            $idx['key_name']   = $keyName;
            $idx['primary']    = false;
            $idx['non_unique'] = ! $tableIndex['unique'];

                $stmt       = $this->_conn->executeQuery(sprintf(
                    'PRAGMA INDEX_INFO (%s)',
                    $this->_conn->quote($keyName)
                ));
                $indexArray = $stmt->fetchAll(FetchMode::ASSOCIATIVE);

            foreach ($indexArray as $indexColumnRow) {
                $idx['column_name'] = $indexColumnRow['name'];
                $indexBuffer[]      = $idx;
            }
        }

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

    /**
     * {@inheritdoc}
     */
    protected function _getPortableTableIndexDefinition($tableIndex) : array
    {
        return [
            'name' => $tableIndex['name'],
            'unique' => (bool) $tableIndex['unique'],
        ];
    }

    /**
     * {@inheritdoc}
     */
    protected function _getPortableTableColumnList(string $table, ?string $database, array $tableColumns) : array
    {
        $list = parent::_getPortableTableColumnList($table, $database, $tableColumns);

        // find column with autoincrement
        $autoincrementColumn = null;
        $autoincrementCount  = 0;

        foreach ($tableColumns as $tableColumn) {
            if ($tableColumn['pk'] === '0') {
                continue;
            }

            $autoincrementCount++;
            if ($autoincrementColumn !== null || strtolower($tableColumn['type']) !== 'integer') {
                continue;
            }

            $autoincrementColumn = $tableColumn['name'];
        }

        if ($autoincrementCount === 1 && $autoincrementColumn !== null) {

            foreach ($list as $column) {
                if ($autoincrementColumn !== $column->getName()) {
                    continue;
                }

                $column->setAutoincrement(true);
            }
        }

        // inspect column collation and comments
        $createSql = $this->getCreateTableSQL($table) ?? '';

        foreach ($list as $columnName => $column) {
            $type = $column->getType();

            if ($type instanceof StringType || $type instanceof TextType) {
                $column->setPlatformOption('collation', $this->parseColumnCollationFromSQL($columnName, $createSql) ?: 'BINARY');
            }

            $comment = $this->parseColumnCommentFromSQL($columnName, $createSql);

            $type = $this->extractDoctrineTypeFromComment($comment);

            if ($type !== null) {
                $column->setType(Type::getType($type));
            }

            $column->setComment($comment);
        }

        return $list;
    }

    /**
     * {@inheritdoc}
     */
    protected function _getPortableTableColumnDefinition(array $tableColumn) : Column
    {
        preg_match('/^([^\\s()]*)\\s*(\\(((\\d+)(,\\s*(\\d+))?)\\))?/', $tableColumn['type'], $matches);

        $dbType = strtolower($matches[1]);

        $length = $precision = $scale = $unsigned = $fixed = null;

        if (count($matches) >= 6) {
            $precision = (int) $matches[4];
            $scale     = (int) $matches[6];
        } elseif (count($matches) >= 4) {
            $length = (int) $matches[4];
        }

        if (strpos($tableColumn['type'], ' UNSIGNED') !== false) {
            $unsigned = true;
        }

        $type    = $this->_platform->getDoctrineTypeMapping($dbType);
        $default = $tableColumn['dflt_value'];
        if ($default === 'NULL') {
            $default = null;
        }
        if ($default !== null) {
            // SQLite returns strings wrapped in single quotes, so we need to strip them
            $default = preg_replace("/^'(.*)'$/", '\1', $default);
        }
        $notnull = (bool) $tableColumn['notnull'];

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

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

        $options = [
            'length'   => $length,
            'notnull'  => $notnull,
            'default'  => $default,
            'precision' => $precision,
            'scale'     => $scale,
            'autoincrement' => false,
        ];

        if ($unsigned !== null) {
            $options['unsigned'] = $unsigned;
        }

        if ($fixed !== null) {
            $options['fixed'] = $fixed;
        }

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

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

    /**
     * {@inheritdoc}
     */
    protected function _getPortableTableForeignKeysList(array $tableForeignKeys) : array
    {
        $list = [];
        foreach ($tableForeignKeys as $value) {
            $value = array_change_key_case($value, CASE_LOWER);
            $name  = $value['constraint_name'];
            if (! isset($list[$name])) {
                if (! isset($value['on_delete']) || $value['on_delete'] === 'RESTRICT') {
                    $value['on_delete'] = null;
                }
                if (! isset($value['on_update']) || $value['on_update'] === 'RESTRICT') {
                    $value['on_update'] = null;
                }

                $list[$name] = [
                    'name' => $name,
                    'local' => [],
                    'foreign' => [],
                    'foreignTable' => $value['table'],
                    'onDelete' => $value['on_delete'],
                    'onUpdate' => $value['on_update'],
                    'deferrable' => $value['deferrable'],
                    'deferred'=> $value['deferred'],
                ];
            }
            $list[$name]['local'][] = $value['from'];

            if ($value['to'] === null) {
                continue;
            }

            $list[$name]['foreign'][] = $value['to'];
        }

        $result = [];
        foreach ($list as $constraint) {
            $result[] = new ForeignKeyConstraint(
                array_values($constraint['local']),
                $constraint['foreignTable'],
                array_values($constraint['foreign']),
                $constraint['name'],
                [
                    'onDelete' => $constraint['onDelete'],
                    'onUpdate' => $constraint['onUpdate'],
                    'deferrable' => $constraint['deferrable'],
                    'deferred'=> $constraint['deferred'],
                ]
            );
        }

        return $result;
    }

    /**
     * @param Table|string $table
     *
     * @throws DBALException
     */
    private function getTableDiffForAlterForeignKey($table) : TableDiff
    {
        if (! $table instanceof Table) {
            $tableDetails = $this->tryMethod('listTableDetails', $table);

            if ($tableDetails === false) {
                throw new DBALException(sprintf('Sqlite schema manager requires to modify foreign keys table definition "%s".', $table));
            }

            $table = $tableDetails;
        }

        $tableDiff            = new TableDiff($table->getName());
        $tableDiff->fromTable = $table;

        return $tableDiff;
    }

    private function parseColumnCollationFromSQL(string $column, string $sql) : ?string
    {
        $pattern = '{(?:\W' . preg_quote($column) . '\W|\W' . preg_quote($this->_platform->quoteSingleIdentifier($column))
            . '\W)[^,(]+(?:\([^()]+\)[^,]*)?(?:(?:DEFAULT|CHECK)\s*(?:\(.*?\))?[^,]*)*COLLATE\s+["\']?([^\s,"\')]+)}is';

        if (preg_match($pattern, $sql, $match) !== 1) {
            return null;
        }

        return $match[1];
    }

    private function parseColumnCommentFromSQL(string $column, string $sql) : ?string
    {
        $pattern = '{[\s(,](?:\W' . preg_quote($this->_platform->quoteSingleIdentifier($column)) . '\W|\W' . preg_quote($column)
            . '\W)(?:\(.*?\)|[^,(])*?,?((?:(?!\n))(?:\s*--[^\n]*\n?)+)}i';

        if (preg_match($pattern, $sql, $match) !== 1) {
            return null;
        }

        $comment = preg_replace('{^\s*--}m', '', rtrim($match[1], "\n"));

        return $comment === '' ? null : $comment;
    }

    private function getCreateTableSQL(string $table) : ?string
    {
        return $this->_conn->fetchColumn(
            <<<'SQL'
SELECT sql
  FROM (
      SELECT *
        FROM sqlite_master
   UNION ALL
      SELECT *
        FROM sqlite_temp_master
  )
WHERE type = 'table'
AND name = ?
SQL
            ,
            [$table]
        ) ?: null;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Doctrine\DBAL\Schema;
6
7		use Doctrine\DBAL\DBALException;
8		use Doctrine\DBAL\DriverManager;
9		use Doctrine\DBAL\FetchMode;
10		use Doctrine\DBAL\Types\StringType;
11		use Doctrine\DBAL\Types\TextType;
12		use Doctrine\DBAL\Types\Type;
13		use const CASE_LOWER;
14		use function array_change_key_case;
15		use function array_reverse;
16		use function array_values;
17		use function count;
18		use function file_exists;
19		use function preg_match;
20		use function preg_match_all;
21		use function preg_quote;
22		use function preg_replace;
23		use function rtrim;
24		use function sprintf;
25		use function strpos;
26		use function strtolower;
27		use function unlink;
28		use function usort;
29
30		/**
31		* Sqlite SchemaManager.
32		*/
33		class SqliteSchemaManager extends AbstractSchemaManager
34		{
35		/**
36		* {@inheritdoc}
37		*/
38	86	public function dropDatabase(string $database) : void
39		{
40	86	if (! file_exists($database)) {
41	85	return;
42		}
43
44	86	unlink($database);
45	86	}
46
47		/**
48		* {@inheritdoc}
49		*/
50	86	public function createDatabase(string $database) : void
51		{
52	86	$params = $this->_conn->getParams();
53	86	$driver = $params['driver'];
54		$options = [
55	86	'driver' => $driver,
56	86	'path' => $database,
57		];
58	86	$conn = DriverManager::getConnection($options);
59	86	$conn->connect();
60	86	$conn->close();
61	86	}
62
63		/**
64		* {@inheritdoc}
65		*/
66	84	public function renameTable(string $name, string $newName) : void
67		{
68	84	$tableDiff = new TableDiff($name);
69	84	$tableDiff->fromTable = $this->listTableDetails($name);
70	84	$tableDiff->newName = $newName;
71	84	$this->alterTable($tableDiff);
72	84	}
73
74		/**
75		* {@inheritdoc}
76		*/
77		public function createForeignKey(ForeignKeyConstraint $foreignKey, $table) : void
78		{
79		$tableDiff = $this->getTableDiffForAlterForeignKey($table);
80		$tableDiff->addedForeignKeys[] = $foreignKey;
81
82		$this->alterTable($tableDiff);
83		}
84
85		/**
86		* {@inheritdoc}
87		*/
88		public function dropAndCreateForeignKey(ForeignKeyConstraint $foreignKey, $table) : void
89		{
90		$tableDiff = $this->getTableDiffForAlterForeignKey($table);
91		$tableDiff->changedForeignKeys[] = $foreignKey;
92
93		$this->alterTable($tableDiff);
94		}
95
96		/**
97		* {@inheritdoc}
98		*/
99		public function dropForeignKey($foreignKey, $table) : void
100		{
101		$tableDiff = $this->getTableDiffForAlterForeignKey($table);
102		$tableDiff->removedForeignKeys[] = $foreignKey;
103
104		$this->alterTable($tableDiff);
105		}
106
107		/**
108		* {@inheritdoc}
109		*/
110	83	public function listTableForeignKeys(string $table, ?string $database = null) : array
111		{
112	83	if ($database === null) {
113	83	$database = $this->_conn->getDatabase();
114		}
115	83	$sql = $this->_platform->getListTableForeignKeysSQL($table, $database);
116	83	$tableForeignKeys = $this->_conn->fetchAll($sql);
117
118	83	if (! empty($tableForeignKeys)) {
119	83	$createSql = $this->getCreateTableSQL($table);
120
121	83	if ($createSql !== null && preg_match_all(
122		'#
123		(?:CONSTRAINT\s+([^\s]+)\s+)?
124		(?:FOREIGN\s+KEY[^\)]+\)\s*)?
125		REFERENCES\s+[^\s]+\s+(?:\([^\)]+\))?
126		(?:
127		[^,]*?
128		(NOT\s+DEFERRABLE\|DEFERRABLE)
129		(?:\s+INITIALLY\s+(DEFERRED\|IMMEDIATE))?
130		)?#isx',
131	83	$createSql,
132	83	$match
133		)) {
134	83	$names = array_reverse($match[1]);
135	83	$deferrable = array_reverse($match[2]);
136	83	$deferred = array_reverse($match[3]);
137		} else {
138		$names = $deferrable = $deferred = [];
139		}
140
141	83	foreach ($tableForeignKeys as $key => $value) {
142	83	$id = $value['id'];
143	83	$tableForeignKeys[$key]['constraint_name'] = isset($names[$id]) && $names[$id] !== '' ? $names[$id] : $id;
144	83	$tableForeignKeys[$key]['deferrable'] = isset($deferrable[$id]) && strtolower($deferrable[$id]) === 'deferrable';
145	83	$tableForeignKeys[$key]['deferred'] = isset($deferred[$id]) && strtolower($deferred[$id]) === 'deferred';
146		}
147		}
148
149	83	return $this->_getPortableTableForeignKeysList($tableForeignKeys);
150		}
151
152		/**
153		* {@inheritdoc}
154		*/
155	148	protected function _getPortableTableDefinition($table) : string
156		{
157	148	return $table['name'];
158		}
159
160		/**
161		* {@inheritdoc}
162		*
163		* @link http://ezcomponents.org/docs/api/trunk/DatabaseSchema/ezcDbSchemaPgsqlReader.html
164		*/
165	141	protected function _getPortableTableIndexesList(array $tableIndexRows, string $tableName) : array
166		{
167	141	$indexBuffer = [];
168
169		// fetch primary
170	141	$stmt = $this->_conn->executeQuery(sprintf(
171	2	'PRAGMA TABLE_INFO (%s)',
172	141	$this->_conn->quote($tableName)
173		));
174	141	$indexArray = $stmt->fetchAll(FetchMode::ASSOCIATIVE);
175
176		usort($indexArray, static function ($a, $b) {
177	84	if ($a['pk'] === $b['pk']) {
178	84	return $a['cid'] - $b['cid'];
179		}
180
181	84	return $a['pk'] - $b['pk'];
182	141	});
183	141	foreach ($indexArray as $indexColumnRow) {
184	141	if ($indexColumnRow['pk'] === '0') {
185	89	continue;
186		}
187
188	136	$indexBuffer[] = [
189	136	'key_name' => 'primary',
190		'primary' => true,
191		'non_unique' => false,
192	136	'column_name' => $indexColumnRow['name'],
193		];
194		}
195
196		// fetch regular indexes
197	141	foreach ($tableIndexRows as $tableIndex) {
198		// Ignore indexes with reserved names, e.g. autoindexes
199	80	if (strpos($tableIndex['name'], 'sqlite_') === 0) {
200	80	continue;
201		}
202
203	71	$keyName = $tableIndex['name'];
204	71	$idx = [];
205	71	$idx['key_name'] = $keyName;
206	71	$idx['primary'] = false;
207	71	$idx['non_unique'] = ! $tableIndex['unique'];
208
209	71	$stmt = $this->_conn->executeQuery(sprintf(
210		'PRAGMA INDEX_INFO (%s)',
211	71	$this->_conn->quote($keyName)
212		));
213	71	$indexArray = $stmt->fetchAll(FetchMode::ASSOCIATIVE);
214
215	71	foreach ($indexArray as $indexColumnRow) {
216	71	$idx['column_name'] = $indexColumnRow['name'];
217	71	$indexBuffer[] = $idx;
218		}
219		}
220
221	141	return parent::_getPortableTableIndexesList($indexBuffer, $tableName);
222		}
223
224		/**
225		* {@inheritdoc}
226		*/
227		protected function _getPortableTableIndexDefinition($tableIndex) : array
228		{
229		return [
230		'name' => $tableIndex['name'],
231		'unique' => (bool) $tableIndex['unique'],
232		];
233		}
234
235		/**
236		* {@inheritdoc}
237		*/
238	141	protected function _getPortableTableColumnList(string $table, ?string $database, array $tableColumns) : array
239		{
240	141	$list = parent::_getPortableTableColumnList($table, $database, $tableColumns);
241
242		// find column with autoincrement
243	141	$autoincrementColumn = null;
244	141	$autoincrementCount = 0;
245
246	141	foreach ($tableColumns as $tableColumn) {
247	141	if ($tableColumn['pk'] === '0') {
248	89	continue;
249		}
250
251	136	$autoincrementCount++;
252	136	if ($autoincrementColumn !== null \|\| strtolower($tableColumn['type']) !== 'integer') {
253	71	continue;
254		}
255
256	136	$autoincrementColumn = $tableColumn['name'];
257		}
258
259	141	if ($autoincrementCount === 1 && $autoincrementColumn !== null) {
		0 ignored issues – show introduced 2018-10-20 23:33 UTC by Report Bug Copy Issue Report The condition `$autoincrementColumn !== null` is always `false`. Loading history...
260	136	foreach ($list as $column) {
261	136	if ($autoincrementColumn !== $column->getName()) {
262	84	continue;
263		}
264
265	136	$column->setAutoincrement(true);
266		}
267		}
268
269		// inspect column collation and comments
270	141	$createSql = $this->getCreateTableSQL($table) ?? '';
271
272	141	foreach ($list as $columnName => $column) {
273	141	$type = $column->getType();
274
275	141	if ($type instanceof StringType \|\| $type instanceof TextType) {
276	84	$column->setPlatformOption('collation', $this->parseColumnCollationFromSQL($columnName, $createSql) ?: 'BINARY');
277		}
278
279	141	$comment = $this->parseColumnCommentFromSQL($columnName, $createSql);
280
281	141	$type = $this->extractDoctrineTypeFromComment($comment);
282
283	141	if ($type !== null) {
284	57	$column->setType(Type::getType($type));
285		}
286
287	141	$column->setComment($comment);
288		}
289
290	141	return $list;
291		}
292
293		/**
294		* {@inheritdoc}
295		*/
296	141	protected function _getPortableTableColumnDefinition(array $tableColumn) : Column
297		{
298	141	preg_match('/^([^\\s()])\\s(\\(((\\d+)(,\\s*(\\d+))?)\\))?/', $tableColumn['type'], $matches);
299
300	141	$dbType = strtolower($matches[1]);
301
302	141	$length = $precision = $scale = $unsigned = $fixed = null;
303
304	141	if (count($matches) >= 6) {
305	70	$precision = (int) $matches[4];
306	70	$scale = (int) $matches[6];
307	141	} elseif (count($matches) >= 4) {
308	84	$length = (int) $matches[4];
309		}
310
311	141	if (strpos($tableColumn['type'], ' UNSIGNED') !== false) {
312	36	$unsigned = true;
313		}
314
315	141	$type = $this->_platform->getDoctrineTypeMapping($dbType);
316	141	$default = $tableColumn['dflt_value'];
317	141	if ($default === 'NULL') {
318	70	$default = null;
319		}
320	141	if ($default !== null) {
321		// SQLite returns strings wrapped in single quotes, so we need to strip them
322	89	$default = preg_replace("/^'(.*)'$/", '\1', $default);
323		}
324	141	$notnull = (bool) $tableColumn['notnull'];
325
326	141	if (! isset($tableColumn['name'])) {
327		$tableColumn['name'] = '';
328		}
329
330	141	if ($dbType === 'char') {
331	69	$fixed = true;
332		}
333
334		$options = [
335	141	'length' => $length,
336	141	'notnull' => $notnull,
337	141	'default' => $default,
338	141	'precision' => $precision,
339	141	'scale' => $scale,
340		'autoincrement' => false,
341		];
342
343	141	if ($unsigned !== null) {
344	36	$options['unsigned'] = $unsigned;
345		}
346
347	141	if ($fixed !== null) {
348	69	$options['fixed'] = $fixed;
349		}
350
351	141	return new Column($tableColumn['name'], Type::getType($type), $options);
352		}
353
354		/**
355		* {@inheritdoc}
356		*/
357	61	protected function _getPortableViewDefinition(array $view) : View
358		{
359	61	return new View($view['name'], $view['sql']);
360		}
361
362		/**
363		* {@inheritdoc}
364		*/
365	83	protected function _getPortableTableForeignKeysList(array $tableForeignKeys) : array
366		{
367	83	$list = [];
368	83	foreach ($tableForeignKeys as $value) {
369	83	$value = array_change_key_case($value, CASE_LOWER);
370	83	$name = $value['constraint_name'];
371	83	if (! isset($list[$name])) {
372	83	if (! isset($value['on_delete']) \|\| $value['on_delete'] === 'RESTRICT') {
373		$value['on_delete'] = null;
374		}
375	83	if (! isset($value['on_update']) \|\| $value['on_update'] === 'RESTRICT') {
376		$value['on_update'] = null;
377		}
378
379	83	$list[$name] = [
380	83	'name' => $name,
381		'local' => [],
382		'foreign' => [],
383	83	'foreignTable' => $value['table'],
384	83	'onDelete' => $value['on_delete'],
385	83	'onUpdate' => $value['on_update'],
386	83	'deferrable' => $value['deferrable'],
387	83	'deferred'=> $value['deferred'],
388		];
389		}
390	83	$list[$name]['local'][] = $value['from'];
391
392	83	if ($value['to'] === null) {
393	83	continue;
394		}
395
396	83	$list[$name]['foreign'][] = $value['to'];
397		}
398
399	83	$result = [];
400	83	foreach ($list as $constraint) {
401	83	$result[] = new ForeignKeyConstraint(
402	83	array_values($constraint['local']),
403	83	$constraint['foreignTable'],
404	83	array_values($constraint['foreign']),
405	83	$constraint['name'],
406		[
407	83	'onDelete' => $constraint['onDelete'],
408	83	'onUpdate' => $constraint['onUpdate'],
409	83	'deferrable' => $constraint['deferrable'],
410	83	'deferred'=> $constraint['deferred'],
411		]
412		);
413		}
414
415	83	return $result;
416		}
417
418		/**
419		* @param Table\|string $table
420		*
421		* @throws DBALException
422		*/
423		private function getTableDiffForAlterForeignKey($table) : TableDiff
424		{
425		if (! $table instanceof Table) {
426		$tableDetails = $this->tryMethod('listTableDetails', $table);
427
428		if ($tableDetails === false) {
429		throw new DBALException(sprintf('Sqlite schema manager requires to modify foreign keys table definition "%s".', $table));
430		}
431
432		$table = $tableDetails;
433		}
434
435		$tableDiff = new TableDiff($table->getName());
436		$tableDiff->fromTable = $table;
437
438		return $tableDiff;
439		}
440
441	975	private function parseColumnCollationFromSQL(string $column, string $sql) : ?string
442		{
443	975	$pattern = '{(?:\W' . preg_quote($column) . '\W\|\W' . preg_quote($this->_platform->quoteSingleIdentifier($column))
444	975	. '\W)[^,(]+(?:\([^()]+\)[^,])?(?:(?:DEFAULT\|CHECK)\s(?:\(.?\))?[^,])*COLLATE\s+["\']?([^\s,"\')]+)}is';
445
446	975	if (preg_match($pattern, $sql, $match) !== 1) {
447	914	return null;
448		}
449
450	968	return $match[1];
451		}
452
453	663	private function parseColumnCommentFromSQL(string $column, string $sql) : ?string
454		{
455	663	$pattern = '{[\s(,](?:\W' . preg_quote($this->_platform->quoteSingleIdentifier($column)) . '\W\|\W' . preg_quote($column)
456	663	. '\W)(?:\(.?\)\|[^,(])?,?((?:(?!\n))(?:\s--[^\n]\n?)+)}i';
457
458	663	if (preg_match($pattern, $sql, $match) !== 1) {
459	652	return null;
460		}
461
462	619	$comment = preg_replace('{^\s*--}m', '', rtrim($match[1], "\n"));
463
464	619	return $comment === '' ? null : $comment;
465		}
466
467	141	private function getCreateTableSQL(string $table) : ?string
468		{
469	141	return $this->_conn->fetchColumn(
470		<<<'SQL'
471	141	SELECT sql
472		FROM (
473		SELECT *
474		FROM sqlite_master
475		UNION ALL
476		SELECT *
477		FROM sqlite_temp_master
478		)
479		WHERE type = 'table'
480		AND name = ?
481		SQL
482		,
483	141	[$table]
484	141	) ?: null;
485		}
486		}
487

doctrine / dbal

Pull Request — develop (#3348)

SqliteSchemaManager::dropDatabase() A

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