SqliteSchemaManager::getTableDiffForAlterForeignKey() - Code Metrics - Inspection of "Add types to Schema namespace" - doctrine/dbal - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — develop (#3565)

by Jonathan

created 2019-05-29 02:51 UTC

getTableDiffForAlterForeignKey() A

↳ Parent: SqliteSchemaManager

Complexity

Conditions	3
Paths	3

Size

Total Lines	16
Code Lines	8

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	12

Importance

Changes

Metric	Value
eloc	8
dl	0
loc	16
rs	10
c	0
b	0
f	0
ccs	0
cts	5
cp	0
cc	3
nc	3
nop	1
crap	12

<?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 str_replace;
use function strpos;
use function strtolower;
use function trim;
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(array $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 _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*(\\(((\\d+)(,\\s*(\\d+))?)\\))?/', $tableColumn['type'], $matches);

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

        $length = $precision = $unsigned = null;

        $fixed  = $unsigned = false;
        $scale  = 0;

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

        if (strpos($dbType, ' unsigned') !== false) {
            $dbType   = str_replace(' unsigned', '', $dbType);
            $unsigned = true;
        }

        $type    = $this->_platform->getDoctrineTypeMapping($dbType);
        $default = $tableColumn['dflt_value'];
        if ($default === 'NULL') {
            $default = null;
        }

        if ($default !== null) {
            // SQLite returns the default value as a literal expression, so we need to parse it
            if (preg_match('/^\'(.*)\'$/s', $default, $matches)) {
                $default = str_replace("''", "'", $matches[1]);
            }
        }

        $notnull = (bool) $tableColumn['notnull'];

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

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

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

        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'];
            $list[$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 str_replace;
26		use function strpos;
27		use function strtolower;
28		use function trim;
29		use function unlink;
30		use function usort;
31
32		/**
33		* Sqlite SchemaManager.
34		*/
35		class SqliteSchemaManager extends AbstractSchemaManager
36		{
37		/**
38		* {@inheritdoc}
39		*/
40	88	public function dropDatabase(string $database) : void
41		{
42	88	if (! file_exists($database)) {
43	87	return;
44		}
45
46	88	unlink($database);
47	88	}
48
49		/**
50		* {@inheritdoc}
51		*/
52	88	public function createDatabase(string $database) : void
53		{
54	88	$params = $this->_conn->getParams();
55	88	$driver = $params['driver'];
56		$options = [
57	88	'driver' => $driver,
58	88	'path' => $database,
59		];
60	88	$conn = DriverManager::getConnection($options);
61	88	$conn->connect();
62	88	$conn->close();
63	88	}
64
65		/**
66		* {@inheritdoc}
67		*/
68	86	public function renameTable(string $name, string $newName) : void
69		{
70	86	$tableDiff = new TableDiff($name);
71	86	$tableDiff->fromTable = $this->listTableDetails($name);
72	86	$tableDiff->newName = $newName;
73	86	$this->alterTable($tableDiff);
74	86	}
75
76		/**
77		* {@inheritdoc}
78		*/
79		public function createForeignKey(ForeignKeyConstraint $foreignKey, $table) : void
80		{
81		$tableDiff = $this->getTableDiffForAlterForeignKey($table);
82		$tableDiff->addedForeignKeys[] = $foreignKey;
83
84		$this->alterTable($tableDiff);
85		}
86
87		/**
88		* {@inheritdoc}
89		*/
90		public function dropAndCreateForeignKey(ForeignKeyConstraint $foreignKey, $table) : void
91		{
92		$tableDiff = $this->getTableDiffForAlterForeignKey($table);
93		$tableDiff->changedForeignKeys[] = $foreignKey;
94
95		$this->alterTable($tableDiff);
96		}
97
98		/**
99		* {@inheritdoc}
100		*/
101		public function dropForeignKey($foreignKey, $table) : void
102		{
103		$tableDiff = $this->getTableDiffForAlterForeignKey($table);
104		$tableDiff->removedForeignKeys[] = $foreignKey;
105
106		$this->alterTable($tableDiff);
107		}
108
109		/**
110		* {@inheritdoc}
111		*/
112	85	public function listTableForeignKeys(string $table, ?string $database = null) : array
113		{
114	85	if ($database === null) {
115	85	$database = $this->_conn->getDatabase();
116		}
117	85	$sql = $this->_platform->getListTableForeignKeysSQL($table, $database);
118	85	$tableForeignKeys = $this->_conn->fetchAll($sql);
119
120	85	if (! empty($tableForeignKeys)) {
121	85	$createSql = $this->getCreateTableSQL($table);
122
123	85	if ($createSql !== null && preg_match_all(
124		'#
125		(?:CONSTRAINT\s+([^\s]+)\s+)?
126		(?:FOREIGN\s+KEY[^\)]+\)\s*)?
127		REFERENCES\s+[^\s]+\s+(?:\([^\)]+\))?
128		(?:
129		[^,]*?
130		(NOT\s+DEFERRABLE\|DEFERRABLE)
131		(?:\s+INITIALLY\s+(DEFERRED\|IMMEDIATE))?
132		)?#isx',
133	85	$createSql,
134	85	$match
135		)) {
136	85	$names = array_reverse($match[1]);
137	85	$deferrable = array_reverse($match[2]);
138	85	$deferred = array_reverse($match[3]);
139		} else {
140		$names = $deferrable = $deferred = [];
141		}
142
143	85	foreach ($tableForeignKeys as $key => $value) {
144	85	$id = $value['id'];
145	85	$tableForeignKeys[$key]['constraint_name'] = isset($names[$id]) && $names[$id] !== '' ? $names[$id] : $id;
146	85	$tableForeignKeys[$key]['deferrable'] = isset($deferrable[$id]) && strtolower($deferrable[$id]) === 'deferrable';
147	85	$tableForeignKeys[$key]['deferred'] = isset($deferred[$id]) && strtolower($deferred[$id]) === 'deferred';
148		}
149		}
150
151	85	return $this->_getPortableTableForeignKeysList($tableForeignKeys);
152		}
153
154		/**
155		* {@inheritdoc}
156		*/
157	150	protected function _getPortableTableDefinition(array $table) : string
158		{
159	150	return $table['name'];
160		}
161
162		/**
163		* {@inheritdoc}
164		*
165		* @link http://ezcomponents.org/docs/api/trunk/DatabaseSchema/ezcDbSchemaPgsqlReader.html
166		*/
167	143	protected function _getPortableTableIndexesList(array $tableIndexRows, string $tableName) : array
168		{
169	143	$indexBuffer = [];
170
171		// fetch primary
172	143	$stmt = $this->_conn->executeQuery(sprintf(
173	4	'PRAGMA TABLE_INFO (%s)',
174	143	$this->_conn->quote($tableName)
175		));
176	143	$indexArray = $stmt->fetchAll(FetchMode::ASSOCIATIVE);
177
178		usort($indexArray, static function ($a, $b) {
179	86	if ($a['pk'] === $b['pk']) {
180	86	return $a['cid'] - $b['cid'];
181		}
182
183	86	return $a['pk'] - $b['pk'];
184	143	});
185	143	foreach ($indexArray as $indexColumnRow) {
186	143	if ($indexColumnRow['pk'] === '0') {
187	91	continue;
188		}
189
190	138	$indexBuffer[] = [
191	138	'key_name' => 'primary',
192		'primary' => true,
193		'non_unique' => false,
194	138	'column_name' => $indexColumnRow['name'],
195		];
196		}
197
198		// fetch regular indexes
199	143	foreach ($tableIndexRows as $tableIndex) {
200		// Ignore indexes with reserved names, e.g. autoindexes
201	82	if (strpos($tableIndex['name'], 'sqlite_') === 0) {
202	82	continue;
203		}
204
205	73	$keyName = $tableIndex['name'];
206	73	$idx = [];
207	73	$idx['key_name'] = $keyName;
208	73	$idx['primary'] = false;
209	73	$idx['non_unique'] = ! $tableIndex['unique'];
210
211	73	$stmt = $this->_conn->executeQuery(sprintf(
212		'PRAGMA INDEX_INFO (%s)',
213	73	$this->_conn->quote($keyName)
214		));
215	73	$indexArray = $stmt->fetchAll(FetchMode::ASSOCIATIVE);
216
217	73	foreach ($indexArray as $indexColumnRow) {
218	73	$idx['column_name'] = $indexColumnRow['name'];
219	73	$indexBuffer[] = $idx;
220		}
221		}
222
223	143	return parent::_getPortableTableIndexesList($indexBuffer, $tableName);
224		}
225
226		/**
227		* {@inheritdoc}
228		*/
229		protected function _getPortableTableColumnList(string $table, string $database, array $tableColumns) : array
230		{
231		$list = parent::_getPortableTableColumnList($table, $database, $tableColumns);
232
233		// find column with autoincrement
234		$autoincrementColumn = null;
235		$autoincrementCount = 0;
236
237		foreach ($tableColumns as $tableColumn) {
238		if ($tableColumn['pk'] === '0') {
239		continue;
240	143	}
241
242	143	$autoincrementCount++;
243		if ($autoincrementColumn !== null \|\| strtolower($tableColumn['type']) !== 'integer') {
244		continue;
245	143	}
246	143
247		$autoincrementColumn = $tableColumn['name'];
248	143	}
249	143
250	91	if ($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...
251		foreach ($list as $column) {
252		if ($autoincrementColumn !== $column->getName()) {
253	138	continue;
254	138	}
255	73
256		$column->setAutoincrement(true);
257		}
258	138	}
259
260		// inspect column collation and comments
261	143	$createSql = $this->getCreateTableSQL($table) ?? '';
262	138
263	138	foreach ($list as $columnName => $column) {
264	86	$type = $column->getType();
265
266		if ($type instanceof StringType \|\| $type instanceof TextType) {
267	138	$column->setPlatformOption('collation', $this->parseColumnCollationFromSQL($columnName, $createSql) ?: 'BINARY');
268		}
269
270		$comment = $this->parseColumnCommentFromSQL($columnName, $createSql);
271
272	143	$type = $this->extractDoctrineTypeFromComment($comment);
273
274	143	if ($type !== null) {
275	143	$column->setType(Type::getType($type));
276		}
277	143
278	86	$column->setComment($comment);
279		}
280
281	143	return $list;
282		}
283	143
284		/**
285	143	* {@inheritdoc}
286	59	*/
287		protected function _getPortableTableColumnDefinition(array $tableColumn) : Column
288		{
289	143	preg_match('/^([^()])\\s(\\(((\\d+)(,\\s*(\\d+))?)\\))?/', $tableColumn['type'], $matches);
290
291		$dbType = trim(strtolower($matches[1]));
292	143
293		$length = $precision = $unsigned = null;
		0 ignored issues – show Unused Code introduced 2019-04-17 22:36 UTC by Report Bug Copy Issue Report The assignment to `$unsigned` is dead and can be removed. Loading history...
294		$fixed = $unsigned = false;
295		$scale = 0;
296
297		if (count($matches) >= 6) {
298	143	$precision = (int) $matches[4];
299		$scale = (int) $matches[6];
300	143	} elseif (count($matches) >= 4) {
301		$length = (int) $matches[4];
302	143	}
303
304	143	if (strpos($dbType, ' unsigned') !== false) {
305	143	$dbType = str_replace(' unsigned', '', $dbType);
306	143	$unsigned = true;
307		}
308	143
309	72	$type = $this->_platform->getDoctrineTypeMapping($dbType);
310	72	$default = $tableColumn['dflt_value'];
311	143	if ($default === 'NULL') {
312	86	$default = null;
313		}
314
315	143	if ($default !== null) {
316	36	// SQLite returns the default value as a literal expression, so we need to parse it
317	36	if (preg_match('/^\'(.*)\'$/s', $default, $matches)) {
318		$default = str_replace("''", "'", $matches[1]);
319		}
320	143	}
321	143
322	143	$notnull = (bool) $tableColumn['notnull'];
323	72
324		if (! isset($tableColumn['name'])) {
325	143	$tableColumn['name'] = '';
326		}
327	91
328		if ($dbType === 'char') {
329	143	$fixed = true;
330		}
331	143
332		$options = [
333		'length' => $length,
334		'unsigned' => $unsigned,
335	143	'fixed' => $fixed,
336	71	'notnull' => $notnull,
337		'default' => $default,
338		'precision' => $precision,
339		'scale' => $scale,
340	143	'autoincrement' => false,
341	143	];
342	143
343	143	return new Column($tableColumn['name'], Type::getType($type), $options);
344	143	}
345	143
346	143	/**
347		* {@inheritdoc}
348		*/
349		protected function _getPortableViewDefinition(array $view) : ?View
350	143	{
351		return new View($view['name'], $view['sql']);
352		}
353
354		/**
355		* {@inheritdoc}
356	63	*/
357		protected function _getPortableTableForeignKeysList(array $tableForeignKeys) : array
358	63	{
359		$list = [];
360		foreach ($tableForeignKeys as $value) {
361		$value = array_change_key_case($value, CASE_LOWER);
362		$name = $value['constraint_name'];
363		if (! isset($list[$name])) {
364	85	if (! isset($value['on_delete']) \|\| $value['on_delete'] === 'RESTRICT') {
365		$value['on_delete'] = null;
366	85	}
367	85	if (! isset($value['on_update']) \|\| $value['on_update'] === 'RESTRICT') {
368	85	$value['on_update'] = null;
369	85	}
370	85
371	85	$list[$name] = [
372		'name' => $name,
373		'local' => [],
374	85	'foreign' => [],
375		'foreignTable' => $value['table'],
376		'onDelete' => $value['on_delete'],
377		'onUpdate' => $value['on_update'],
378	85	'deferrable' => $value['deferrable'],
379	85	'deferred'=> $value['deferred'],
380		];
381		}
382	85	$list[$name]['local'][] = $value['from'];
383	85	$list[$name]['foreign'][] = $value['to'];
384	85	}
385	85
386	85	$result = [];
387		foreach ($list as $constraint) {
388		$result[] = new ForeignKeyConstraint(
389	85	array_values($constraint['local']),
390	85	$constraint['foreignTable'],
391		array_values($constraint['foreign']),
392		$constraint['name'],
393	85	[
394	85	'onDelete' => $constraint['onDelete'],
395	85	'onUpdate' => $constraint['onUpdate'],
396	85	'deferrable' => $constraint['deferrable'],
397	85	'deferred'=> $constraint['deferred'],
398	85	]
399	85	);
400		}
401	85
402	85	return $result;
403	85	}
404	85
405		/**
406		* @param Table\|string $table
407		*
408		* @throws DBALException
409	85	*/
410		private function getTableDiffForAlterForeignKey($table) : TableDiff
411		{
412		if (! $table instanceof Table) {
413		$tableDetails = $this->tryMethod('listTableDetails', $table);
414
415		if ($tableDetails === false) {
416		throw new DBALException(sprintf('Sqlite schema manager requires to modify foreign keys table definition "%s".', $table));
417		}
418
419		$table = $tableDetails;
420		}
421
422		$tableDiff = new TableDiff($table->getName());
423		$tableDiff->fromTable = $table;
424
425		return $tableDiff;
426		}
427
428		private function parseColumnCollationFromSQL(string $column, string $sql) : ?string
429		{
430		$pattern = '{(?:\W' . preg_quote($column) . '\W\|\W' . preg_quote($this->_platform->quoteSingleIdentifier($column))
431		. '\W)[^,(]+(?:\([^()]+\)[^,])?(?:(?:DEFAULT\|CHECK)\s(?:\(.?\))?[^,])*COLLATE\s+["\']?([^\s,"\')]+)}is';
432
433		if (preg_match($pattern, $sql, $match) !== 1) {
434		return null;
435		}
436
437	958	return $match[1];
438		}
439	958
440	958	private function parseColumnCommentFromSQL(string $column, string $sql) : ?string
441		{
442	958	$pattern = '{[\s(,](?:\W' . preg_quote($this->_platform->quoteSingleIdentifier($column)) . '\W\|\W' . preg_quote($column)
443	888	. '\W)(?:\(.?\)\|[^,(])?,?((?:(?!\n))(?:\s--[^\n]\n?)+)}i';
444
445		if (preg_match($pattern, $sql, $match) !== 1) {
446	946	return null;
447		}
448
449	667	$comment = preg_replace('{^\s*--}m', '', rtrim($match[1], "\n"));
450
451	667	return $comment === '' ? null : $comment;
452	667	}
453
454	667	private function getCreateTableSQL(string $table) : ?string
455	645	{
456		return $this->_conn->fetchColumn(
457		<<<'SQL'
458	610	SELECT sql
459		FROM (
460	610	SELECT *
461		FROM sqlite_master
462		UNION ALL
463	143	SELECT *
464		FROM sqlite_temp_master
465	143	)
466		WHERE type = 'table'
467	143	AND name = ?
468		SQL
469		,
470		[$table]
471		) ?: null;
472		}
473		}
474

doctrine / dbal

Pull Request — develop (#3565)

getTableDiffForAlterForeignKey() A

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