MySqlSchemaManager::_getPortableTableIndexesList() - Code Metrics - Inspection of "Added Codecov uploader to Travis CI configuration" - doctrine/dbal - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#3610)

by Sergei

created 2020-01-04 00:30 UTC

MySqlSchemaManager::_getPortableTableIndexesList() B

↳ Parent: MySqlSchemaManager

Complexity

Conditions	6
Paths	13

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	13
CRAP Score	6

Importance

Changes

Metric	Value
dl	0
loc	21
ccs	13
cts	13
cp	1
rs	8.9617
c	0
b	0
f	0
cc	6
nc	13
nop	2
crap	6

<?php

declare(strict_types=1);

namespace Doctrine\DBAL\Schema;

use Doctrine\DBAL\Platforms\MariaDb1027Platform;
use Doctrine\DBAL\Platforms\MySqlPlatform;
use Doctrine\DBAL\Types\Type;
use const CASE_LOWER;
use function array_change_key_case;
use function array_shift;
use function array_values;
use function assert;
use function explode;
use function is_string;
use function preg_match;
use function strpos;
use function strtok;
use function strtolower;
use function strtr;

/**
 * Schema manager for the MySql RDBMS.
 */
class MySqlSchemaManager extends AbstractSchemaManager
{
    /**
     * @see https://mariadb.com/kb/en/library/string-literals/#escape-sequences
     */
    private const MARIADB_ESCAPE_SEQUENCES = [
        '\\0' => "\0",
        "\\'" => "'",
        '\\"' => '"',
        '\\b' => "\b",
        '\\n' => "\n",
        '\\r' => "\r",
        '\\t' => "\t",
        '\\Z' => "\x1a",
        '\\\\' => '\\',
        '\\%' => '%',
        '\\_' => '_',

        // Internally, MariaDB escapes single quotes using the standard syntax
        "''" => "'",
    ];

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

    /**
     * {@inheritdoc}
     */
    protected function _getPortableTableDefinition(array $table) : string
    {
        return array_shift($table);
    }

    /**
     * {@inheritdoc}
     */
    protected function _getPortableUserDefinition(array $user) : array
    {
        return [
            'user' => $user['User'],
            'password' => $user['Password'],
        ];
    }

    /**
     * {@inheritdoc}
     */
    protected function _getPortableTableIndexesList(array $tableIndexRows, string $tableName) : array
    {
        foreach ($tableIndexRows as $k => $v) {
            $v = array_change_key_case($v, CASE_LOWER);
            if ($v['key_name'] === 'PRIMARY') {
                $v['primary'] = true;
            } else {
                $v['primary'] = false;
            }
            if (strpos($v['index_type'], 'FULLTEXT') !== false) {
                $v['flags'] = ['FULLTEXT'];
            } elseif (strpos($v['index_type'], 'SPATIAL') !== false) {
                $v['flags'] = ['SPATIAL'];
            }
            $v['length'] = isset($v['sub_part']) ? (int) $v['sub_part'] : null;

            $tableIndexRows[$k] = $v;
        }

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

    /**
     * {@inheritdoc}
     */
    protected function _getPortableDatabaseDefinition(array $database) : string
    {
        return $database['Database'];
    }

    /**
     * {@inheritdoc}
     */
    protected function _getPortableTableColumnDefinition(array $tableColumn) : Column
    {
        $tableColumn = array_change_key_case($tableColumn, CASE_LOWER);

        $dbType = strtolower($tableColumn['type']);
        $dbType = strtok($dbType, '(), ');
        assert(is_string($dbType));

        $length = $tableColumn['length'] ?? strtok('(), ');

        $fixed = false;

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

        $scale     = 0;
        $precision = null;

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

        switch ($dbType) {
            case 'char':
            case 'binary':
                $fixed = true;
                break;
            case 'float':
            case 'double':
            case 'real':
            case 'numeric':
            case 'decimal':
                if (preg_match('([A-Za-z]+\(([0-9]+)\,([0-9]+)\))', $tableColumn['type'], $match)) {
                    $precision = (int) $match[1];
                    $scale     = (int) $match[2];
                    $length    = null;
                }
                break;
            case 'tinytext':
                $length = MySqlPlatform::LENGTH_LIMIT_TINYTEXT;
                break;
            case 'text':
                $length = MySqlPlatform::LENGTH_LIMIT_TEXT;
                break;
            case 'mediumtext':
                $length = MySqlPlatform::LENGTH_LIMIT_MEDIUMTEXT;
                break;
            case 'tinyblob':
                $length = MySqlPlatform::LENGTH_LIMIT_TINYBLOB;
                break;
            case 'blob':
                $length = MySqlPlatform::LENGTH_LIMIT_BLOB;
                break;
            case 'mediumblob':
                $length = MySqlPlatform::LENGTH_LIMIT_MEDIUMBLOB;
                break;
            case 'tinyint':
            case 'smallint':
            case 'mediumint':
            case 'int':
            case 'integer':
            case 'bigint':
            case 'year':
                $length = null;
                break;
        }

        if ($this->_platform instanceof MariaDb1027Platform) {
            $columnDefault = $this->getMariaDb1027ColumnDefault($this->_platform, $tableColumn['default']);
        } else {
            $columnDefault = $tableColumn['default'];
        }

        $options = [
            'length'        => $length !== null ? (int) $length : null,
            'unsigned'      => strpos($tableColumn['type'], 'unsigned') !== false,
            'fixed'         => $fixed,
            'default'       => $columnDefault,
            'notnull'       => $tableColumn['null'] !== 'YES',
            'scale'         => $scale,
            'precision'     => $precision,
            'autoincrement' => strpos($tableColumn['extra'], 'auto_increment') !== false,
            'comment'       => isset($tableColumn['comment']) && $tableColumn['comment'] !== ''
                ? $tableColumn['comment']
                : null,
        ];

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

        if (isset($tableColumn['characterset'])) {
            $column->setPlatformOption('charset', $tableColumn['characterset']);
        }
        if (isset($tableColumn['collation'])) {
            $column->setPlatformOption('collation', $tableColumn['collation']);
        }

        return $column;
    }

    /**
     * Return Doctrine/Mysql-compatible column default values for MariaDB 10.2.7+ servers.
     *
     * - Since MariaDb 10.2.7 column defaults stored in information_schema are now quoted
     *   to distinguish them from expressions (see MDEV-10134).
     * - CURRENT_TIMESTAMP, CURRENT_TIME, CURRENT_DATE are stored in information_schema
     *   as current_timestamp(), currdate(), currtime()
     * - Quoted 'NULL' is not enforced by Maria, it is technically possible to have
     *   null in some circumstances (see https://jira.mariadb.org/browse/MDEV-14053)
     * - \' is always stored as '' in information_schema (normalized)
     *
     * @link https://mariadb.com/kb/en/library/information-schema-columns-table/
     * @link https://jira.mariadb.org/browse/MDEV-13132
     *
     * @param string|null $columnDefault default value as stored in information_schema for MariaDB >= 10.2.7
     */
    private function getMariaDb1027ColumnDefault(MariaDb1027Platform $platform, ?string $columnDefault) : ?string
    {
        if ($columnDefault === 'NULL' || $columnDefault === null) {
            return null;
        }

        if (preg_match('/^\'(.*)\'$/', $columnDefault, $matches)) {
            return strtr($matches[1], self::MARIADB_ESCAPE_SEQUENCES);
        }

        switch ($columnDefault) {
            case 'current_timestamp()':
                return $platform->getCurrentTimestampSQL();
            case 'curdate()':
                return $platform->getCurrentDateSQL();
            case 'curtime()':
                return $platform->getCurrentTimeSQL();
        }

        return $columnDefault;
    }

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

                $list[$value['constraint_name']] = [
                    'name' => $value['constraint_name'],
                    'local' => [],
                    'foreign' => [],
                    'foreignTable' => $value['referenced_table_name'],
                    'onDelete' => $value['delete_rule'],
                    'onUpdate' => $value['update_rule'],
                ];
            }
            $list[$value['constraint_name']]['local'][]   = $value['column_name'];
            $list[$value['constraint_name']]['foreign'][] = $value['referenced_column_name'];
        }

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

        return $result;
    }

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

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

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

        if ($tableOptions === false) {
            return $table;
        }

        $table->addOption('engine', $tableOptions['ENGINE']);

        if ($tableOptions['TABLE_COLLATION'] !== null) {
            $table->addOption('collation', $tableOptions['TABLE_COLLATION']);
        }

        if ($tableOptions['AUTO_INCREMENT'] !== null) {
            $table->addOption('autoincrement', $tableOptions['AUTO_INCREMENT']);
        }

        $table->addOption('comment', $tableOptions['TABLE_COMMENT']);
        $table->addOption('create_options', $this->parseCreateOptions($tableOptions['CREATE_OPTIONS']));

        return $table;
    }

    /**
     * @return array<string, string>|array<string, true>

     */
    private function parseCreateOptions(?string $string) : array
    {
        $options = [];

        if ($string === null || $string === '') {
            return $options;
        }

        foreach (explode(' ', $string) as $pair) {
            $parts = explode('=', $pair, 2);

            $options[$parts[0]] = $parts[1] ?? true;
        }

        return $options;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Doctrine\DBAL\Schema;
6
7		use Doctrine\DBAL\Platforms\MariaDb1027Platform;
8		use Doctrine\DBAL\Platforms\MySqlPlatform;
9		use Doctrine\DBAL\Types\Type;
10		use const CASE_LOWER;
11		use function array_change_key_case;
12		use function array_shift;
13		use function array_values;
14		use function assert;
15		use function explode;
16		use function is_string;
17		use function preg_match;
18		use function strpos;
19		use function strtok;
20		use function strtolower;
21		use function strtr;
22
23		/**
24		* Schema manager for the MySql RDBMS.
25		*/
26		class MySqlSchemaManager extends AbstractSchemaManager
27		{
28		/**
29		* @see https://mariadb.com/kb/en/library/string-literals/#escape-sequences
30		*/
31		private const MARIADB_ESCAPE_SEQUENCES = [
32		'\\0' => "\0",
33		"\\'" => "'",
34		'\\"' => '"',
35		'\\b' => "\b",
36		'\\n' => "\n",
37		'\\r' => "\r",
38		'\\t' => "\t",
39		'\\Z' => "\x1a",
40		'\\\\' => '\\',
41		'\\%' => '%',
42		'\\_' => '_',
43
44		// Internally, MariaDB escapes single quotes using the standard syntax
45		"''" => "'",
46		];
47
48		/**
49		* {@inheritdoc}
50		*/
51	17	protected function _getPortableViewDefinition(array $view) : View
52		{
53	17	return new View($view['TABLE_NAME'], $view['VIEW_DEFINITION']);
54		}
55
56		/**
57		* {@inheritdoc}
58		*/
59	187	protected function _getPortableTableDefinition(array $table) : string
60		{
61	187	return array_shift($table);
62		}
63
64		/**
65		* {@inheritdoc}
66		*/
67		protected function _getPortableUserDefinition(array $user) : array
68		{
69		return [
70		'user' => $user['User'],
71		'password' => $user['Password'],
72		];
73		}
74
75		/**
76		* {@inheritdoc}
77		*/
78	1014	protected function _getPortableTableIndexesList(array $tableIndexRows, string $tableName) : array
79		{
80	1014	foreach ($tableIndexRows as $k => $v) {
81	391	$v = array_change_key_case($v, CASE_LOWER);
82	391	if ($v['key_name'] === 'PRIMARY') {
83	289	$v['primary'] = true;
84		} else {
85	255	$v['primary'] = false;
86		}
87	391	if (strpos($v['index_type'], 'FULLTEXT') !== false) {
88	51	$v['flags'] = ['FULLTEXT'];
89	374	} elseif (strpos($v['index_type'], 'SPATIAL') !== false) {
90	51	$v['flags'] = ['SPATIAL'];
91		}
92	391	$v['length'] = isset($v['sub_part']) ? (int) $v['sub_part'] : null;
93
94	391	$tableIndexRows[$k] = $v;
95		}
96
97	1014	return parent::_getPortableTableIndexesList($tableIndexRows, $tableName);
98		}
99
100		/**
101		* {@inheritdoc}
102		*/
103	34	protected function _getPortableDatabaseDefinition(array $database) : string
104		{
105	34	return $database['Database'];
106		}
107
108		/**
109		* {@inheritdoc}
110		*/
111	1133	protected function _getPortableTableColumnDefinition(array $tableColumn) : Column
112		{
113	1133	$tableColumn = array_change_key_case($tableColumn, CASE_LOWER);
114
115	1133	$dbType = strtolower($tableColumn['type']);
116	1133	$dbType = strtok($dbType, '(), ');
117	1133	assert(is_string($dbType));
118
119	1133	$length = $tableColumn['length'] ?? strtok('(), ');
120
121	1133	$fixed = false;
122
123	1133	if (! isset($tableColumn['name'])) {
124	1133	$tableColumn['name'] = '';
125		}
126
127	1133	$scale = 0;
128	1133	$precision = null;
129
130	1133	$type = $this->extractDoctrineTypeFromComment($tableColumn['comment'])
131	1133	?? $this->_platform->getDoctrineTypeMapping($dbType);
132
133		switch ($dbType) {
134	1133	case 'char':
135	1099	case 'binary':
136	102	$fixed = true;
137	102	break;
138	1099	case 'float':
139	1099	case 'double':
140	1082	case 'real':
141	1082	case 'numeric':
142	1082	case 'decimal':
143	119	if (preg_match('([A-Za-z]+\(([0-9]+)\,([0-9]+)\))', $tableColumn['type'], $match)) {
144	102	$precision = (int) $match[1];
145	102	$scale = (int) $match[2];
146	102	$length = null;
147		}
148	119	break;
149	1065	case 'tinytext':
150	51	$length = MySqlPlatform::LENGTH_LIMIT_TINYTEXT;
151	51	break;
152	1065	case 'text':
153	51	$length = MySqlPlatform::LENGTH_LIMIT_TEXT;
154	51	break;
155	1065	case 'mediumtext':
156	51	$length = MySqlPlatform::LENGTH_LIMIT_MEDIUMTEXT;
157	51	break;
158	1065	case 'tinyblob':
159		$length = MySqlPlatform::LENGTH_LIMIT_TINYBLOB;
160		break;
161	1065	case 'blob':
162	51	$length = MySqlPlatform::LENGTH_LIMIT_BLOB;
163	51	break;
164	1065	case 'mediumblob':
165	51	$length = MySqlPlatform::LENGTH_LIMIT_MEDIUMBLOB;
166	51	break;
167	1065	case 'tinyint':
168	1048	case 'smallint':
169	1048	case 'mediumint':
170	1048	case 'int':
171	657	case 'integer':
172	657	case 'bigint':
173	657	case 'year':
174	969	$length = null;
175	969	break;
176		}
177
178	1133	if ($this->_platform instanceof MariaDb1027Platform) {
179	264	$columnDefault = $this->getMariaDb1027ColumnDefault($this->_platform, $tableColumn['default']);
180		} else {
181	869	$columnDefault = $tableColumn['default'];
182		}
183
184		$options = [
185	1133	'length' => $length !== null ? (int) $length : null,
186	1133	'unsigned' => strpos($tableColumn['type'], 'unsigned') !== false,
187	1133	'fixed' => $fixed,
188	1133	'default' => $columnDefault,
189	1133	'notnull' => $tableColumn['null'] !== 'YES',
190	1133	'scale' => $scale,
191	1133	'precision' => $precision,
192	1133	'autoincrement' => strpos($tableColumn['extra'], 'auto_increment') !== false,
193	1133	'comment' => isset($tableColumn['comment']) && $tableColumn['comment'] !== ''
194	238	? $tableColumn['comment']
195		: null,
196		];
197
198	1133	$column = new Column($tableColumn['field'], Type::getType($type), $options);
199
200	1133	if (isset($tableColumn['characterset'])) {
201	631	$column->setPlatformOption('charset', $tableColumn['characterset']);
202		}
203	1133	if (isset($tableColumn['collation'])) {
204	631	$column->setPlatformOption('collation', $tableColumn['collation']);
205		}
206
207	1133	return $column;
208		}
209
210		/**
211		* Return Doctrine/Mysql-compatible column default values for MariaDB 10.2.7+ servers.
212		*
213		* - Since MariaDb 10.2.7 column defaults stored in information_schema are now quoted
214		* to distinguish them from expressions (see MDEV-10134).
215		* - CURRENT_TIMESTAMP, CURRENT_TIME, CURRENT_DATE are stored in information_schema
216		* as current_timestamp(), currdate(), currtime()
217		* - Quoted 'NULL' is not enforced by Maria, it is technically possible to have
218		* null in some circumstances (see https://jira.mariadb.org/browse/MDEV-14053)
219		* - \' is always stored as '' in information_schema (normalized)
220		*
221		* @link https://mariadb.com/kb/en/library/information-schema-columns-table/
222		* @link https://jira.mariadb.org/browse/MDEV-13132
223		*
224		* @param string\|null $columnDefault default value as stored in information_schema for MariaDB >= 10.2.7
225		*/
226	264	private function getMariaDb1027ColumnDefault(MariaDb1027Platform $platform, ?string $columnDefault) : ?string
227		{
228	264	if ($columnDefault === 'NULL' \|\| $columnDefault === null) {
229	244	return null;
230		}
231
232	116	if (preg_match('/^\'(.*)\'$/', $columnDefault, $matches)) {
233	96	return strtr($matches[1], self::MARIADB_ESCAPE_SEQUENCES);
234		}
235
236		switch ($columnDefault) {
237	36	case 'current_timestamp()':
238	20	return $platform->getCurrentTimestampSQL();
239	28	case 'curdate()':
240	12	return $platform->getCurrentDateSQL();
241	28	case 'curtime()':
242	12	return $platform->getCurrentTimeSQL();
243		}
244
245	24	return $columnDefault;
246		}
247
248		/**
249		* {@inheritdoc}
250		*/
251	956	protected function _getPortableTableForeignKeysList(array $tableForeignKeys) : array
252		{
253	956	$list = [];
254	956	foreach ($tableForeignKeys as $value) {
255	146	$value = array_change_key_case($value, CASE_LOWER);
256	146	if (! isset($list[$value['constraint_name']])) {
257	146	if (! isset($value['delete_rule']) \|\| $value['delete_rule'] === 'RESTRICT') {
258	111	$value['delete_rule'] = null;
259		}
260	146	if (! isset($value['update_rule']) \|\| $value['update_rule'] === 'RESTRICT') {
261	125	$value['update_rule'] = null;
262		}
263
264	146	$list[$value['constraint_name']] = [
265	146	'name' => $value['constraint_name'],
266		'local' => [],
267		'foreign' => [],
268	146	'foreignTable' => $value['referenced_table_name'],
269	146	'onDelete' => $value['delete_rule'],
270	146	'onUpdate' => $value['update_rule'],
271		];
272		}
273	146	$list[$value['constraint_name']]['local'][] = $value['column_name'];
274	146	$list[$value['constraint_name']]['foreign'][] = $value['referenced_column_name'];
275		}
276
277	956	$result = [];
278	956	foreach ($list as $constraint) {
279	146	$result[] = new ForeignKeyConstraint(
280	146	array_values($constraint['local']),
281	146	$constraint['foreignTable'],
282	146	array_values($constraint['foreign']),
283	146	$constraint['name'],
284		[
285	146	'onDelete' => $constraint['onDelete'],
286	146	'onUpdate' => $constraint['onUpdate'],
287		]
288		);
289		}
290
291	956	return $result;
292		}
293
294		/**
295		* {@inheritdoc}
296		*/
297	895	public function listTableDetails(string $tableName) : Table
298		{
299	895	$table = parent::listTableDetails($tableName);
300
301		/** @var MySqlPlatform $platform */
302	895	$platform = $this->_platform;
303	895	$sql = $platform->getListTableMetadataSQL($tableName);
304
305	895	$tableOptions = $this->_conn->fetchAssoc($sql);
306
307	895	if ($tableOptions === false) {
308	17	return $table;
309		}
310
311	878	$table->addOption('engine', $tableOptions['ENGINE']);
312
313	878	if ($tableOptions['TABLE_COLLATION'] !== null) {
314	878	$table->addOption('collation', $tableOptions['TABLE_COLLATION']);
315		}
316
317	878	if ($tableOptions['AUTO_INCREMENT'] !== null) {
318	82	$table->addOption('autoincrement', $tableOptions['AUTO_INCREMENT']);
319		}
320
321	878	$table->addOption('comment', $tableOptions['TABLE_COMMENT']);
322	878	$table->addOption('create_options', $this->parseCreateOptions($tableOptions['CREATE_OPTIONS']));
323
324	878	return $table;
325		}
326
327		/**
328		* @return array<string, string>\|array<string, true>
		0 ignored issues – show Documentation introduced 2019-12-20 07:29 UTC by Report Bug Copy Issue Report The doc-type `array<string,` could not be parsed: Expected ">" at position 5, but found "end of type". (view supported doc-types) This check marks PHPDoc comments that could not be parsed by our parser. To see which comment annotations we can parse, please refer to our documentation on supported doc-types. Loading history...
329		*/
330	878	private function parseCreateOptions(?string $string) : array
331		{
332	878	$options = [];
333
334	878	if ($string === null \|\| $string === '') {
335	861	return $options;
336		}
337
338	51	foreach (explode(' ', $string) as $pair) {
339	51	$parts = explode('=', $pair, 2);
340
341	51	$options[$parts[0]] = $parts[1] ?? true;
342		}
343
344	51	return $options;
345		}
346		}
347

doctrine / dbal

Pull Request — master (#3610)

MySqlSchemaManager::_getPortableTableIndexesList() B

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