SqliteSchemaManager::_getPortableTableColumnDefinition() - Code Metrics - Inspection of "Merge pull request #3713 from dunglas/update-branc..." - doctrine/dbal - Measure and Improve Code Quality continuously with Scrutinizer

Failed Conditions

Push — master ( 01c22b...e42c1f )

by Marco

created 2019-11-04 01:02 UTC

_getPortableTableColumnDefinition() B

↳ Parent: SqliteSchemaManager

Complexity

Conditions	9
Paths	144

Size

Total Lines	57
Code Lines	35

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	35
CRAP Score	9.0128

Importance

Changes

Metric	Value
eloc	35
dl	0
loc	57
ccs	35
cts	37
cp	0.9459
rs	7.6888
c	0
b	0
f	0
cc	9
nc	144
nop	1
crap	9.0128

How to fix Long Method

<?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}
     *
     * @deprecated
     */
    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 parseTableCommentFromSQL(string $table, string $sql) : ?string
    {
        $pattern = '/\s* # Allow whitespace characters at start of line
CREATE\sTABLE # Match "CREATE TABLE"
(?:\W"' . preg_quote($this->_platform->quoteSingleIdentifier($table), '/') . '"\W|\W' . preg_quote($table, '/')
            . '\W) # Match table name (quoted and unquoted)
( # Start capture
   (?:\s*--[^\n]*\n?)+ # Capture anything that starts with whitespaces followed by -- until the end of the line(s)
)/ix';

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

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

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

    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;
    }

    public function listTableDetails(string $tableName) : Table
    {
        $table = parent::listTableDetails($tableName);

        $tableCreateSql = $this->getCreateTableSQL($tableName) ?? '';

        $comment = $this->parseTableCommentFromSQL($tableName, $tableCreateSql);

        if ($comment !== null) {
            $table->addOption('comment', $comment);
        }

        return $table;
    }
}


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	83	*/
40		public function dropDatabase(string $database) : void
41	83	{
42	82	if (! file_exists($database)) {
43		return;
44		}
45	83
46	83	unlink($database);
47		}
48
49		/**
50		* {@inheritdoc}
51	83	*/
52		public function createDatabase(string $database) : void
53	83	{
54	83	$params = $this->_conn->getParams();
55		$driver = $params['driver'];
56	83	$options = [
57	83	'driver' => $driver,
58		'path' => $database,
59	83	];
60	83	$conn = DriverManager::getConnection($options);
61	83	$conn->connect();
62	83	$conn->close();
63		}
64
65		/**
66		* {@inheritdoc}
67	81	*/
68		public function renameTable(string $name, string $newName) : void
69	81	{
70	81	$tableDiff = new TableDiff($name);
71	81	$tableDiff->fromTable = $this->listTableDetails($name);
72	81	$tableDiff->newName = $newName;
73	81	$this->alterTable($tableDiff);
74		}
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	80	$tableDiff = $this->getTableDiffForAlterForeignKey($table);
112
113	80	if (is_string($foreignKey)) {
114	80	$tableDiff->removedForeignKeys[] = $table->getForeignKey($foreignKey);
115		} else {
116	80	$tableDiff->removedForeignKeys[] = $foreignKey;
117	80	}
118
119	80	$this->alterTable($tableDiff);
120	80	}
121
122	80	/**
123		* {@inheritdoc}
124		*/
125		public function listTableForeignKeys(string $table, ?string $database = null) : array
126		{
127		if ($database === null) {
128		$database = $this->_conn->getDatabase();
129		}
130		$sql = $this->_platform->getListTableForeignKeysSQL($table, $database);
131		$tableForeignKeys = $this->_conn->fetchAll($sql);
132	80
133	80	if (! empty($tableForeignKeys)) {
134		$createSql = $this->getCreateTableSQL($table);
135	80
136	80	if ($createSql !== null && preg_match_all(
137	80	'#
138		(?:CONSTRAINT\s+([^\s]+)\s+)?
139		(?:FOREIGN\s+KEY[^\)]+\)\s*)?
140		REFERENCES\s+[^\s]+\s+(?:\([^\)]+\))?
141		(?:
142	80	[^,]*?
143	80	(NOT\s+DEFERRABLE\|DEFERRABLE)
144	80	(?:\s+INITIALLY\s+(DEFERRED\|IMMEDIATE))?
145	80	)?#isx',
146	80	$createSql,
147		$match
148		)) {
149		$names = array_reverse($match[1]);
150	80	$deferrable = array_reverse($match[2]);
151		$deferred = array_reverse($match[3]);
152		} else {
153		$names = $deferrable = $deferred = [];
154		}
155
156	147	foreach ($tableForeignKeys as $key => $value) {
157		$id = $value['id'];
158	147	$tableForeignKeys[$key]['constraint_name'] = isset($names[$id]) && $names[$id] !== '' ? $names[$id] : $id;
159		$tableForeignKeys[$key]['deferrable'] = isset($deferrable[$id]) && strtolower($deferrable[$id]) === 'deferrable';
160		$tableForeignKeys[$key]['deferred'] = isset($deferred[$id]) && strtolower($deferred[$id]) === 'deferred';
161		}
162		}
163
164		return $this->_getPortableTableForeignKeysList($tableForeignKeys);
165		}
166	140
167		/**
168	140	* {@inheritdoc}
169		*/
170		protected function _getPortableTableDefinition(array $table) : string
171	140	{
172	4	return $table['name'];
173	140	}
174
175	140	/**
176		* {@inheritdoc}
177		*
178	86	* @link http://ezcomponents.org/docs/api/trunk/DatabaseSchema/ezcDbSchemaPgsqlReader.html
179	86	*/
180		protected function _getPortableTableIndexesList(array $tableIndexRows, string $tableName) : array
181		{
182	81	$indexBuffer = [];
183	140
184	140	// fetch primary
185	140	$stmt = $this->_conn->executeQuery(sprintf(
186	88	'PRAGMA TABLE_INFO (%s)',
187		$this->_conn->quote($tableName)
188		));
189	133	$indexArray = $stmt->fetchAll(FetchMode::ASSOCIATIVE);
190	133
191		usort($indexArray, static function ($a, $b) {
192		if ($a['pk'] === $b['pk']) {
193	133	return $a['cid'] - $b['cid'];
194		}
195
196		return $a['pk'] - $b['pk'];
197		});
198	140	foreach ($indexArray as $indexColumnRow) {
199		if ($indexColumnRow['pk'] === '0') {
200	77	continue;
201	77	}
202
203		$indexBuffer[] = [
204	68	'key_name' => 'primary',
205	68	'primary' => true,
206	68	'non_unique' => false,
207	68	'column_name' => $indexColumnRow['name'],
208	68	];
209		}
210	68
211		// fetch regular indexes
212	68	foreach ($tableIndexRows as $tableIndex) {
213		// Ignore indexes with reserved names, e.g. autoindexes
214	68	if (strpos($tableIndex['name'], 'sqlite_') === 0) {
215		continue;
216	68	}
217	68
218	68	$keyName = $tableIndex['name'];
219		$idx = [];
220		$idx['key_name'] = $keyName;
221		$idx['primary'] = false;
222	140	$idx['non_unique'] = ! $tableIndex['unique'];
223
224		$stmt = $this->_conn->executeQuery(sprintf(
225		'PRAGMA INDEX_INFO (%s)',
226		$this->_conn->quote($keyName)
227		));
228		$indexArray = $stmt->fetchAll(FetchMode::ASSOCIATIVE);
229
230		foreach ($indexArray as $indexColumnRow) {
231		$idx['column_name'] = $indexColumnRow['name'];
232		$indexBuffer[] = $idx;
233		}
234		}
235
236		return parent::_getPortableTableIndexesList($indexBuffer, $tableName);
237		}
238
239		/**
240		* {@inheritdoc}
241	140	*
242		* @deprecated
243	140	*/
244		protected function _getPortableTableColumnList(string $table, string $database, array $tableColumns) : array
245		{
246	140	$list = parent::_getPortableTableColumnList($table, $database, $tableColumns);
247	140
248		// find column with autoincrement
249	140	$autoincrementColumn = null;
250	140	$autoincrementCount = 0;
251	88
252		foreach ($tableColumns as $tableColumn) {
253		if ($tableColumn['pk'] === '0') {
254	133	continue;
255	133	}
256	68
257		$autoincrementCount++;
258		if ($autoincrementColumn !== null \|\| strtolower($tableColumn['type']) !== 'integer') {
259	133	continue;
260		}
261
262	140	$autoincrementColumn = $tableColumn['name'];
263	133	}
264	133
265	81	if ($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...
266		foreach ($list as $column) {
267		if ($autoincrementColumn !== $column->getName()) {
268	133	continue;
269		}
270
271		$column->setAutoincrement(true);
272		}
273	140	}
274
275	140	// inspect column collation and comments
276	140	$createSql = $this->getCreateTableSQL($table) ?? '';
277
278	140	foreach ($list as $columnName => $column) {
279	86	$type = $column->getType();
280
281		if ($type instanceof StringType \|\| $type instanceof TextType) {
282	140	$column->setPlatformOption('collation', $this->parseColumnCollationFromSQL($columnName, $createSql) ?: 'BINARY');
283		}
284	140
285	140	$comment = $this->parseColumnCommentFromSQL($columnName, $createSql);
286
287		$type = $this->extractDoctrineTypeFromComment($comment);
288	86
289		if ($type !== null) {
290	86	$column->setType(Type::getType($type));
291	54	}
292
293	54	$column->setComment($comment);
294		}
295
296	86	return $list;
297		}
298
299	140	/**
300		* {@inheritdoc}
301		*/
302		protected function _getPortableTableColumnDefinition(array $tableColumn) : Column
303		{
304		preg_match('/^([^()])\\s(\\(((\\d+)(,\\s*(\\d+))?)\\))?/', $tableColumn['type'], $matches);
305	140
306		$dbType = trim(strtolower($matches[1]));
307	140
308	140	$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...
309	140	$fixed = $unsigned = false;
310	86	$scale = 0;
311	86
312		if (count($matches) >= 6) {
313		$precision = (int) $matches[4];
314	140	$scale = (int) $matches[6];
315	140	} elseif (count($matches) >= 4) {
316	140	$length = (int) $matches[4];
317		}
318	140
319	32	if (strpos($dbType, ' unsigned') !== false) {
320	32	$dbType = str_replace(' unsigned', '', $dbType);
321		$unsigned = true;
322		}
323	140
324	140	$type = $this->_platform->getDoctrineTypeMapping($dbType);
325	140	$default = $tableColumn['dflt_value'];
326	140	if ($default === 'NULL') {
327	86	$default = null;
328		}
329
330	140	if ($default !== null) {
331		// SQLite returns the default value as a literal expression, so we need to parse it
332	88	if (preg_match('/^\'(.*)\'$/s', $default, $matches)) {
333	87	$default = str_replace("''", "'", $matches[1]);
334		}
335		}
336
337	140	$notnull = (bool) $tableColumn['notnull'];
338
339	140	if (! isset($tableColumn['name'])) {
340		$tableColumn['name'] = '';
341		}
342
343	140	if ($dbType === 'char') {
344	140	$fixed = true;
345		}
346	4
347	140	$options = [
348	66	'length' => $length,
349	66	'unsigned' => $unsigned,
350	140	'fixed' => $fixed,
351	140	'notnull' => $notnull,
352	140	'default' => $default,
353	140	'precision' => $precision,
354	140	'scale' => $scale,
355	67	'autoincrement' => false,
356	67	];
357
358		return new Column($tableColumn['name'], Type::getType($type), $options);
359	67	}
360
361	67	/**
362	67	* {@inheritdoc}
363		*/
364		protected function _getPortableViewDefinition(array $view) : View
365		{
366	140	return new View($view['name'], $view['sql']);
367	140	}
368	140
369	140	/**
370	140	* {@inheritdoc}
371	140	*/
372	140	protected function _getPortableTableForeignKeysList(array $tableForeignKeys) : array
373		{
374		$list = [];
375		foreach ($tableForeignKeys as $value) {
376	140	$value = array_change_key_case($value, CASE_LOWER);
377		$name = $value['constraint_name'];
378		if (! isset($list[$name])) {
379		if (! isset($value['on_delete']) \|\| $value['on_delete'] === 'RESTRICT') {
380		$value['on_delete'] = null;
381		}
382	58	if (! isset($value['on_update']) \|\| $value['on_update'] === 'RESTRICT') {
383		$value['on_update'] = null;
384	58	}
385
386		$list[$name] = [
387		'name' => $name,
388		'local' => [],
389		'foreign' => [],
390	80	'foreignTable' => $value['table'],
391		'onDelete' => $value['on_delete'],
392	80	'onUpdate' => $value['on_update'],
393	80	'deferrable' => $value['deferrable'],
394	80	'deferred'=> $value['deferred'],
395	80	];
396	80	}
397	80	$list[$name]['local'][] = $value['from'];
398		$list[$name]['foreign'][] = $value['to'];
399		}
400	80
401		$result = [];
402		foreach ($list as $constraint) {
403		$result[] = new ForeignKeyConstraint(
404	80	array_values($constraint['local']),
405	80	$constraint['foreignTable'],
406		array_values($constraint['foreign']),
407		$constraint['name'],
408	80	[
409	80	'onDelete' => $constraint['onDelete'],
410	80	'onUpdate' => $constraint['onUpdate'],
411	80	'deferrable' => $constraint['deferrable'],
412	80	'deferred'=> $constraint['deferred'],
413		]
414		);
415	80	}
416	80
417		return $result;
418		}
419	80
420	80	private function getTableDiffForAlterForeignKey(Table $table) : TableDiff
421	80	{
422	80	$tableDiff = new TableDiff($table->getName());
423	80	$tableDiff->fromTable = $table;
424	80
425	80	return $tableDiff;
426		}
427	80
428	80	/**
429	80	* @param string\|Table $table
430	80	*/
431		private function ensureTable($table) : Table
432		{
433		if (is_string($table)) {
434		$table = $this->listTableDetails($table);
435	80	}
436
437		return $table;
438		}
439
440		private function parseColumnCollationFromSQL(string $column, string $sql) : ?string
441		{
442		$pattern = '{(?:\W' . preg_quote($column) . '\W\|\W' . preg_quote($this->_platform->quoteSingleIdentifier($column))
443		. '\W)[^,(]+(?:\([^()]+\)[^,])?(?:(?:DEFAULT\|CHECK)\s(?:\(.?\))?[^,])*COLLATE\s+["\']?([^\s,"\')]+)}is';
444
445		if (preg_match($pattern, $sql, $match) !== 1) {
446		return null;
447		}
448
449		return $match[1];
450		}
451
452		private function parseTableCommentFromSQL(string $table, string $sql) : ?string
453		{
454		$pattern = '/\s* # Allow whitespace characters at start of line
455		CREATE\sTABLE # Match "CREATE TABLE"
456		(?:\W"' . preg_quote($this->_platform->quoteSingleIdentifier($table), '/') . '"\W\|\W' . preg_quote($table, '/')
457		. '\W) # Match table name (quoted and unquoted)
458		( # Start capture
459		(?:\s--[^\n]\n?)+ # Capture anything that starts with whitespaces followed by -- until the end of the line(s)
460		)/ix';
461
462		if (preg_match($pattern, $sql, $match) !== 1) {
463	862	return null;
464		}
465	862
466	862	$comment = preg_replace('{^\s*--}m', '', rtrim($match[1], "\n"));
467
468	862	return $comment === '' ? null : $comment;
469	816	}
470
471		private function parseColumnCommentFromSQL(string $column, string $sql) : ?string
472	845	{
473		$pattern = '{[\s(,](?:\W' . preg_quote($this->_platform->quoteSingleIdentifier($column)) . '\W\|\W' . preg_quote($column)
474		. '\W)(?:\(.?\)\|[^,(])?,?((?:(?!\n))(?:\s--[^\n]\n?)+)}i';
475	140
476		if (preg_match($pattern, $sql, $match) !== 1) {
477		return null;
478		}
479	140
480	140	$comment = preg_replace('{^\s*--}m', '', rtrim($match[1], "\n"));
481
482		return $comment === '' ? null : $comment;
483		}
484
485	140	private function getCreateTableSQL(string $table) : ?string
486	140	{
487		return $this->_conn->fetchColumn(
488		<<<'SQL'
489	33	SELECT sql
490		FROM (
491	33	SELECT *
492		FROM sqlite_master
493		UNION ALL
494	640	SELECT *
495		FROM sqlite_temp_master
496	640	)
497	640	WHERE type = 'table'
498		AND name = ?
499	640	SQL
500	594	,
501		[$table]
502		) ?: null;
503	612	}
504
505	612	public function listTableDetails(string $tableName) : Table
506		{
507		$table = parent::listTableDetails($tableName);
508	140
509		$tableCreateSql = $this->getCreateTableSQL($tableName) ?? '';
510	140
511		$comment = $this->parseTableCommentFromSQL($tableName, $tableCreateSql);
512	140
513		if ($comment !== null) {
514		$table->addOption('comment', $comment);
515		}
516
517		return $table;
518		}
519		}
520

doctrine / dbal

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_getPortableTableColumnDefinition() B

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