SqliteSchemaManager::parseColumnCollationFromSQL() - Code Metrics - Inspection of "Bring over additional Doctrine\DBAL\Schema types." - doctrine/dbal - Measure and Improve Code Quality continuously with Scrutinizer

Failed Conditions

Pull Request — develop (#3581)

by Jonathan

created 2019-05-31 19:00 UTC

SqliteSchemaManager::parseColumnCollationFromSQL() A

↳ Parent: SqliteSchemaManager

Complexity

Conditions	2
Paths	2

Size

Total Lines	10
Code Lines	5

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	6
CRAP Score	2

Importance

Changes

Metric	Value
eloc	5
dl	0
loc	10
ccs	6
cts	6
cp	1
rs	10
c	0
b	0
f	0
cc	2
nc	2
nop	2
crap	2

<?php

declare(strict_types=1);

namespace Doctrine\DBAL\Schema;

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 is_string;
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
    {
        $table = $this->ensureTable($table);

        $tableDiff = $this->getTableDiffForAlterForeignKey($table);

        $tableDiff->addedForeignKeys[] = $foreignKey;

        $this->alterTable($tableDiff);
    }

    /**
     * {@inheritdoc}
     */
    public function dropAndCreateForeignKey(ForeignKeyConstraint $foreignKey, $table) : void
    {
        $table = $this->ensureTable($table);

        $tableDiff = $this->getTableDiffForAlterForeignKey($table);

        $tableDiff->changedForeignKeys[] = $foreignKey;

        $this->alterTable($tableDiff);
    }

    /**
     * {@inheritdoc}
     */
    public function dropForeignKey($foreignKey, $table) : void
    {
        $table = $this->ensureTable($table);

        $tableDiff = $this->getTableDiffForAlterForeignKey($table);

        if (is_string($foreignKey)) {
            $tableDiff->removedForeignKeys[] = $table->getForeignKey($foreignKey);
        } else {
            $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;
    }

    private function getTableDiffForAlterForeignKey(Table $table) : TableDiff
    {
        $tableDiff            = new TableDiff($table->getName());
        $tableDiff->fromTable = $table;

        return $tableDiff;
    }

    /**
     * @param string|Table $table
     */
    private function ensureTable($table) : Table
    {
        if (is_string($table)) {
            $table = $this->listTableDetails($table);
        }

        return $table;
    }

    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\DriverManager;
8		use Doctrine\DBAL\FetchMode;
9		use Doctrine\DBAL\Types\StringType;
10		use Doctrine\DBAL\Types\TextType;
11		use Doctrine\DBAL\Types\Type;
12		use const CASE_LOWER;
13		use function array_change_key_case;
14		use function array_reverse;
15		use function array_values;
16		use function count;
17		use function file_exists;
18		use function is_string;
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	146	public function dropDatabase(string $database) : void
41		{
42	146	if (! file_exists($database)) {
43	144	return;
44		}
45
46	146	unlink($database);
47	146	}
48
49		/**
50		* {@inheritdoc}
51		*/
52	146	public function createDatabase(string $database) : void
53		{
54	146	$params = $this->_conn->getParams();
55	146	$driver = $params['driver'];
56		$options = [
57	146	'driver' => $driver,
58	146	'path' => $database,
59		];
60	146	$conn = DriverManager::getConnection($options);
61	146	$conn->connect();
62	146	$conn->close();
63	146	}
64
65		/**
66		* {@inheritdoc}
67		*/
68	142	public function renameTable(string $name, string $newName) : void
69		{
70	142	$tableDiff = new TableDiff($name);
71	142	$tableDiff->fromTable = $this->listTableDetails($name);
72	142	$tableDiff->newName = $newName;
73	142	$this->alterTable($tableDiff);
74	142	}
75
76		/**
77		* {@inheritdoc}
78		*/
79		public function createForeignKey(ForeignKeyConstraint $foreignKey, $table) : void
80		{
81		$table = $this->ensureTable($table);
82
83		$tableDiff = $this->getTableDiffForAlterForeignKey($table);
84
85		$tableDiff->addedForeignKeys[] = $foreignKey;
86
87		$this->alterTable($tableDiff);
88		}
89
90		/**
91		* {@inheritdoc}
92		*/
93		public function dropAndCreateForeignKey(ForeignKeyConstraint $foreignKey, $table) : void
94		{
95		$table = $this->ensureTable($table);
96
97		$tableDiff = $this->getTableDiffForAlterForeignKey($table);
98
99		$tableDiff->changedForeignKeys[] = $foreignKey;
100
101		$this->alterTable($tableDiff);
102		}
103
104		/**
105		* {@inheritdoc}
106		*/
107		public function dropForeignKey($foreignKey, $table) : void
108		{
109		$table = $this->ensureTable($table);
110
111		$tableDiff = $this->getTableDiffForAlterForeignKey($table);
112
113		if (is_string($foreignKey)) {
114		$tableDiff->removedForeignKeys[] = $table->getForeignKey($foreignKey);
115		} else {
116		$tableDiff->removedForeignKeys[] = $foreignKey;
117		}
118
119		$this->alterTable($tableDiff);
120		}
121
122		/**
123		* {@inheritdoc}
124		*/
125	140	public function listTableForeignKeys(string $table, ?string $database = null) : array
126		{
127	140	if ($database === null) {
128	140	$database = $this->_conn->getDatabase();
129		}
130	140	$sql = $this->_platform->getListTableForeignKeysSQL($table, $database);
131	140	$tableForeignKeys = $this->_conn->fetchAll($sql);
132
133	140	if (! empty($tableForeignKeys)) {
134	140	$createSql = $this->getCreateTableSQL($table);
135
136	140	if ($createSql !== null && preg_match_all(
137		'#
138		(?:CONSTRAINT\s+([^\s]+)\s+)?
139		(?:FOREIGN\s+KEY[^\)]+\)\s*)?
140		REFERENCES\s+[^\s]+\s+(?:\([^\)]+\))?
141		(?:
142		[^,]*?
143		(NOT\s+DEFERRABLE\|DEFERRABLE)
144		(?:\s+INITIALLY\s+(DEFERRED\|IMMEDIATE))?
145		)?#isx',
146	140	$createSql,
147	140	$match
148		)) {
149	140	$names = array_reverse($match[1]);
150	140	$deferrable = array_reverse($match[2]);
151	140	$deferred = array_reverse($match[3]);
152		} else {
153		$names = $deferrable = $deferred = [];
154		}
155
156	140	foreach ($tableForeignKeys as $key => $value) {
157	140	$id = $value['id'];
158	140	$tableForeignKeys[$key]['constraint_name'] = isset($names[$id]) && $names[$id] !== '' ? $names[$id] : $id;
159	140	$tableForeignKeys[$key]['deferrable'] = isset($deferrable[$id]) && strtolower($deferrable[$id]) === 'deferrable';
160	140	$tableForeignKeys[$key]['deferred'] = isset($deferred[$id]) && strtolower($deferred[$id]) === 'deferred';
161		}
162		}
163
164	140	return $this->_getPortableTableForeignKeysList($tableForeignKeys);
165		}
166
167		/**
168		* {@inheritdoc}
169		*/
170	220	protected function _getPortableTableDefinition(array $table) : string
171		{
172	220	return $table['name'];
173		}
174
175		/**
176		* {@inheritdoc}
177		*
178		* @link http://ezcomponents.org/docs/api/trunk/DatabaseSchema/ezcDbSchemaPgsqlReader.html
179		*/
180	206	protected function _getPortableTableIndexesList(array $tableIndexRows, string $tableName) : array
181		{
182	206	$indexBuffer = [];
183
184		// fetch primary
185	206	$stmt = $this->_conn->executeQuery(sprintf(
186	2	'PRAGMA TABLE_INFO (%s)',
187	206	$this->_conn->quote($tableName)
188		));
189	206	$indexArray = $stmt->fetchAll(FetchMode::ASSOCIATIVE);
190
191		usort($indexArray, static function ($a, $b) {
192	154	if ($a['pk'] === $b['pk']) {
193	154	return $a['cid'] - $b['cid'];
194		}
195
196	142	return $a['pk'] - $b['pk'];
197	206	});
198	206	foreach ($indexArray as $indexColumnRow) {
199	206	if ($indexColumnRow['pk'] === '0') {
200	158	continue;
201		}
202
203	190	$indexBuffer[] = [
204	190	'key_name' => 'primary',
205		'primary' => true,
206		'non_unique' => false,
207	190	'column_name' => $indexColumnRow['name'],
208		];
209		}
210
211		// fetch regular indexes
212	206	foreach ($tableIndexRows as $tableIndex) {
213		// Ignore indexes with reserved names, e.g. autoindexes
214	134	if (strpos($tableIndex['name'], 'sqlite_') === 0) {
215	134	continue;
216		}
217
218	118	$keyName = $tableIndex['name'];
219	118	$idx = [];
220	118	$idx['key_name'] = $keyName;
221	118	$idx['primary'] = false;
222	118	$idx['non_unique'] = ! $tableIndex['unique'];
223
224	118	$stmt = $this->_conn->executeQuery(sprintf(
225		'PRAGMA INDEX_INFO (%s)',
226	118	$this->_conn->quote($keyName)
227		));
228	118	$indexArray = $stmt->fetchAll(FetchMode::ASSOCIATIVE);
229
230	118	foreach ($indexArray as $indexColumnRow) {
231	118	$idx['column_name'] = $indexColumnRow['name'];
232	118	$indexBuffer[] = $idx;
233		}
234		}
235
236	206	return parent::_getPortableTableIndexesList($indexBuffer, $tableName);
237		}
238
239		/**
240		* {@inheritdoc}
241		*/
242	206	protected function _getPortableTableColumnList(string $table, string $database, array $tableColumns) : array
243		{
244	206	$list = parent::_getPortableTableColumnList($table, $database, $tableColumns);
245
246		// find column with autoincrement
247	206	$autoincrementColumn = null;
248	206	$autoincrementCount = 0;
249
250	206	foreach ($tableColumns as $tableColumn) {
251	206	if ($tableColumn['pk'] === '0') {
252	158	continue;
253		}
254
255	190	$autoincrementCount++;
256	190	if ($autoincrementColumn !== null \|\| strtolower($tableColumn['type']) !== 'integer') {
257	118	continue;
258		}
259
260	190	$autoincrementColumn = $tableColumn['name'];
261		}
262
263	206	if ($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...
264	190	foreach ($list as $column) {
265	190	if ($autoincrementColumn !== $column->getName()) {
266	142	continue;
267		}
268
269	190	$column->setAutoincrement(true);
270		}
271		}
272
273		// inspect column collation and comments
274	206	$createSql = $this->getCreateTableSQL($table) ?? '';
275
276	206	foreach ($list as $columnName => $column) {
277	206	$type = $column->getType();
278
279	206	if ($type instanceof StringType \|\| $type instanceof TextType) {
280	154	$column->setPlatformOption('collation', $this->parseColumnCollationFromSQL($columnName, $createSql) ?: 'BINARY');
281		}
282
283	206	$comment = $this->parseColumnCommentFromSQL($columnName, $createSql);
284
285	206	$type = $this->extractDoctrineTypeFromComment($comment);
286
287	206	if ($type !== null) {
288	90	$column->setType(Type::getType($type));
289		}
290
291	206	$column->setComment($comment);
292		}
293
294	206	return $list;
295		}
296
297		/**
298		* {@inheritdoc}
299		*/
300	206	protected function _getPortableTableColumnDefinition(array $tableColumn) : Column
301		{
302	206	preg_match('/^([^()])\\s(\\(((\\d+)(,\\s*(\\d+))?)\\))?/', $tableColumn['type'], $matches);
303
304	206	$dbType = trim(strtolower($matches[1]));
305
306	206	$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...
307	206	$fixed = $unsigned = false;
308	206	$scale = 0;
309
310	206	if (count($matches) >= 6) {
311	116	$precision = (int) $matches[4];
312	116	$scale = (int) $matches[6];
313	206	} elseif (count($matches) >= 4) {
314	154	$length = (int) $matches[4];
315		}
316
317	206	if (strpos($dbType, ' unsigned') !== false) {
318	64	$dbType = str_replace(' unsigned', '', $dbType);
319	64	$unsigned = true;
320		}
321
322	206	$type = $this->_platform->getDoctrineTypeMapping($dbType);
323	206	$default = $tableColumn['dflt_value'];
324	206	if ($default === 'NULL') {
325	154	$default = null;
326		}
327
328	206	if ($default !== null) {
329		// SQLite returns the default value as a literal expression, so we need to parse it
330	158	if (preg_match('/^\'(.*)\'$/s', $default, $matches)) {
331	156	$default = str_replace("''", "'", $matches[1]);
332		}
333		}
334
335	206	$notnull = (bool) $tableColumn['notnull'];
336
337	206	if (! isset($tableColumn['name'])) {
338		$tableColumn['name'] = '';
339		}
340
341	206	if ($dbType === 'char') {
342	114	$fixed = true;
343		}
344
345		$options = [
346	206	'length' => $length,
347	206	'unsigned' => $unsigned,
348	206	'fixed' => $fixed,
349	206	'notnull' => $notnull,
350	206	'default' => $default,
351	206	'precision' => $precision,
352	206	'scale' => $scale,
353		'autoincrement' => false,
354		];
355
356	206	return new Column($tableColumn['name'], Type::getType($type), $options);
357		}
358
359		/**
360		* {@inheritdoc}
361		*/
362	98	protected function _getPortableViewDefinition(array $view) : View
363		{
364	98	return new View($view['name'], $view['sql']);
365		}
366
367		/**
368		* {@inheritdoc}
369		*/
370	140	protected function _getPortableTableForeignKeysList(array $tableForeignKeys) : array
371		{
372	140	$list = [];
373	140	foreach ($tableForeignKeys as $value) {
374	140	$value = array_change_key_case($value, CASE_LOWER);
375	140	$name = $value['constraint_name'];
376	140	if (! isset($list[$name])) {
377	140	if (! isset($value['on_delete']) \|\| $value['on_delete'] === 'RESTRICT') {
378		$value['on_delete'] = null;
379		}
380	140	if (! isset($value['on_update']) \|\| $value['on_update'] === 'RESTRICT') {
381		$value['on_update'] = null;
382		}
383
384	140	$list[$name] = [
385	140	'name' => $name,
386		'local' => [],
387		'foreign' => [],
388	140	'foreignTable' => $value['table'],
389	140	'onDelete' => $value['on_delete'],
390	140	'onUpdate' => $value['on_update'],
391	140	'deferrable' => $value['deferrable'],
392	140	'deferred'=> $value['deferred'],
393		];
394		}
395	140	$list[$name]['local'][] = $value['from'];
396	140	$list[$name]['foreign'][] = $value['to'];
397		}
398
399	140	$result = [];
400	140	foreach ($list as $constraint) {
401	140	$result[] = new ForeignKeyConstraint(
402	140	array_values($constraint['local']),
403	140	$constraint['foreignTable'],
404	140	array_values($constraint['foreign']),
405	140	$constraint['name'],
406		[
407	140	'onDelete' => $constraint['onDelete'],
408	140	'onUpdate' => $constraint['onUpdate'],
409	140	'deferrable' => $constraint['deferrable'],
410	140	'deferred'=> $constraint['deferred'],
411		]
412		);
413		}
414
415	140	return $result;
416		}
417
418		private function getTableDiffForAlterForeignKey(Table $table) : TableDiff
419		{
420		$tableDiff = new TableDiff($table->getName());
421		$tableDiff->fromTable = $table;
422
423		return $tableDiff;
424		}
425
426		/**
427		* @param string\|Table $table
428		*/
429		private function ensureTable($table) : Table
430		{
431		if (is_string($table)) {
432		$table = $this->listTableDetails($table);
433		}
434
435		return $table;
436		}
437
438	883	private function parseColumnCollationFromSQL(string $column, string $sql) : ?string
439		{
440	883	$pattern = '{(?:\W' . preg_quote($column) . '\W\|\W' . preg_quote($this->_platform->quoteSingleIdentifier($column))
441	883	. '\W)[^,(]+(?:\([^()]+\)[^,])?(?:(?:DEFAULT\|CHECK)\s(?:\(.?\))?[^,])*COLLATE\s+["\']?([^\s,"\')]+)}is';
442
443	883	if (preg_match($pattern, $sql, $match) !== 1) {
444	849	return null;
445		}
446
447	862	return $match[1];
448		}
449
450	665	private function parseColumnCommentFromSQL(string $column, string $sql) : ?string
451		{
452	665	$pattern = '{[\s(,](?:\W' . preg_quote($this->_platform->quoteSingleIdentifier($column)) . '\W\|\W' . preg_quote($column)
453	665	. '\W)(?:\(.?\)\|[^,(])?,?((?:(?!\n))(?:\s--[^\n]\n?)+)}i';
454
455	665	if (preg_match($pattern, $sql, $match) !== 1) {
456	631	return null;
457		}
458
459	648	$comment = preg_replace('{^\s*--}m', '', rtrim($match[1], "\n"));
460
461	648	return $comment === '' ? null : $comment;
462		}
463
464	206	private function getCreateTableSQL(string $table) : ?string
465		{
466	206	return $this->_conn->fetchColumn(
467		<<<'SQL'
468	206	SELECT sql
469		FROM (
470		SELECT *
471		FROM sqlite_master
472		UNION ALL
473		SELECT *
474		FROM sqlite_temp_master
475		)
476		WHERE type = 'table'
477		AND name = ?
478		SQL
479		,
480	206	[$table]
481	206	) ?: null;
482		}
483		}
484

doctrine / dbal

Pull Request — develop (#3581)

SqliteSchemaManager::parseColumnCollationFromSQL() A

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