DDLQueryBuilder::__construct() - Code Metrics - Inspection of "Change visibility property construct `AbstractDQL..." - yiisoft/db-mysql - Measure and Improve Code Quality continuously with Scrutinizer

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by Wilmer

created 2023-03-27 13:23 UTC

DDLQueryBuilder::__construct() A

↳ Parent: DDLQueryBuilder

Complexity

Conditions	1
Paths	1

Size

Total Lines	6
Code Lines	1

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	2
CRAP Score	1

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	1
c	1
b	0
f	0
dl	0
loc	6
ccs	2
cts	2
cp	1
rs	10
cc	1
nc	1
nop	3
crap	1

<?php

declare(strict_types=1);

namespace Yiisoft\Db\Mysql;

use Throwable;
use Yiisoft\Db\Exception\Exception;
use Yiisoft\Db\Exception\NotSupportedException;
use Yiisoft\Db\QueryBuilder\AbstractDDLQueryBuilder;

use function preg_match;
use function preg_replace;
use function trim;

/**
 * Implements a (Data Definition Language) SQL statements for MySQL, MariaDB.
 */
final class DDLQueryBuilder extends AbstractDDLQueryBuilder
{
    /**
     * @throws NotSupportedException
     */
    public function addCheck(string $table, string $name, string $expression): string
    {
        throw new NotSupportedException(__METHOD__ . ' is not supported by MySQL.');
    }

    /**
     * @throws Throwable
     */
    public function addCommentOnColumn(string $table, string $column, string $comment): string
    {
        /* Strip existing comment which may include escaped quotes */
        $definition = trim(
            preg_replace(
                "/COMMENT '(?:''|[^'])*'/i",
                '',
                $this->getColumnDefinition($table, $column)
            )
        );

        $checkRegex = '/CHECK *(\(([^()]|(?-2))*\))/';
        $check = preg_match($checkRegex, $definition, $checkMatches);

        if ($check === 1) {
            $definition = preg_replace($checkRegex, '', $definition);
        }

        $alterSql = 'ALTER TABLE '
            . $this->quoter->quoteTableName($table)
            . ' CHANGE '
            . $this->quoter->quoteColumnName($column)
            . ' '
            . $this->quoter->quoteColumnName($column)
            . (empty($definition) ? '' : ' ' . $definition)
            . ' COMMENT '
            . (string) $this->quoter->quoteValue($comment);

        if ($check === 1) {
            $alterSql .= ' ' . $checkMatches[0];
        }

        return $alterSql;
    }

    public function addCommentOnTable(string $table, string $comment): string
    {
        return 'ALTER TABLE '
            . $this->quoter->quoteTableName($table)
            . ' COMMENT '
            . (string) $this->quoter->quoteValue($comment);
    }

    public function addDefaultValue(string $table, string $name, string $column, mixed $value): string
    {
        throw new NotSupportedException(__METHOD__ . ' is not supported by MySQL.');
    }

    public function createIndex(
        string $table,
        string $name,
        array|string $columns,
        string $indexType = null,
        string $indexMethod = null
    ): string {
        return 'CREATE ' . ($indexType ? ($indexType . ' ') : '') . 'INDEX '
            . $this->quoter->quoteTableName($name)
            . ($indexMethod !== null ? " USING $indexMethod" : '')
            . ' ON ' . $this->quoter->quoteTableName($table)
            . ' (' . $this->queryBuilder->buildColumns($columns) . ')';
    }

    public function checkIntegrity(string $schema = '', string $table = '', bool $check = true): string
    {
        return 'SET FOREIGN_KEY_CHECKS = ' . ($check ? 1 : 0);
    }

    /**
     * @throws NotSupportedException
     */
    public function dropCheck(string $table, string $name): string
    {
        throw new NotSupportedException(__METHOD__ . ' is not supported by MySQL.');
    }

    /**
     * @throws Exception
     * @throws Throwable
     */
    public function dropCommentFromColumn(string $table, string $column): string
    {
        return $this->addCommentOnColumn($table, $column, '');
    }

    /**
     * @throws \Exception
     */
    public function dropCommentFromTable(string $table): string
    {
        return $this->addCommentOnTable($table, '');
    }

    public function dropDefaultValue(string $table, string $name): string
    {
        throw new NotSupportedException(__METHOD__ . ' is not supported by MySQL.');
    }

    public function dropForeignKey(string $table, string $name): string
    {
        return 'ALTER TABLE '
            . $this->quoter->quoteTableName($table)
            . ' DROP FOREIGN KEY '
            . $this->quoter->quoteColumnName($name);
    }

    public function dropPrimaryKey(string $table, string $name): string
    {
        return 'ALTER TABLE ' . $this->quoter->quoteTableName($table) . ' DROP PRIMARY KEY';
    }

    public function dropUnique(string $table, string $name): string
    {
        return $this->dropIndex($table, $name);
    }

    /**
     * @throws Exception
     * @throws Throwable
     */
    public function renameColumn(string $table, string $oldName, string $newName): string
    {
        $quotedTable = $this->quoter->quoteTableName($table);

        $columnDefinition = $this->getColumnDefinition($table, $oldName);

        /* try to give back an SQL anyway */
        return "ALTER TABLE $quotedTable CHANGE "
            . $this->quoter->quoteColumnName($oldName) . ' '
            . $this->quoter->quoteColumnName($newName)
            . (!empty($columnDefinition) ? ' ' . $columnDefinition : '');
    }

    /**
     * Gets column definition.
     *
     * @param string $table The table name.
     * @param string $column The column name.
     *
     * @throws Throwable In case when table doesn't contain a column.
     *
     * @return string The column definition.
     */
    public function getColumnDefinition(string $table, string $column): string
    {
        $result = '';
        $sql = $this->schema->getTableSchema($table)?->getCreateSql();

        if (empty($sql)) {
            return '';
        }

        if (preg_match_all('/^\s*([`"])(.*?)\\1\s+(.*?),?$/m', $sql, $matches)) {
            foreach ($matches[2] as $i => $c) {
                if ($c === $column) {
                    $result = $matches[3][$i];
                }
            }
        }

        return $result;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Yiisoft\Db\Mysql;
6
7		use Throwable;
8		use Yiisoft\Db\Exception\Exception;
9		use Yiisoft\Db\Exception\NotSupportedException;
10		use Yiisoft\Db\QueryBuilder\AbstractDDLQueryBuilder;
11
12		use function preg_match;
13		use function preg_replace;
14		use function trim;
15
16		/**
17		* Implements a (Data Definition Language) SQL statements for MySQL, MariaDB.
18		*/
19		final class DDLQueryBuilder extends AbstractDDLQueryBuilder
20		{
21		/**
22		* @throws NotSupportedException
23		*/
24	2	public function addCheck(string $table, string $name, string $expression): string
25		{
26	2	throw new NotSupportedException(__METHOD__ . ' is not supported by MySQL.');
27		}
28
29		/**
30		* @throws Throwable
31		*/
32	5	public function addCommentOnColumn(string $table, string $column, string $comment): string
33		{
34		/* Strip existing comment which may include escaped quotes */
35	5	$definition = trim(
36	5	preg_replace(
37	5	"/COMMENT '(?:''\|[^'])*'/i",
38	5	'',
39	5	$this->getColumnDefinition($table, $column)
40	5	)
41	5	);
42
43	5	$checkRegex = '/CHECK (\(([^()]\|(?-2))\))/';
44	5	$check = preg_match($checkRegex, $definition, $checkMatches);
45
46	5	if ($check === 1) {
47		$definition = preg_replace($checkRegex, '', $definition);
48		}
49
50	5	$alterSql = 'ALTER TABLE '
51	5	. $this->quoter->quoteTableName($table)
52	5	. ' CHANGE '
53	5	. $this->quoter->quoteColumnName($column)
54	5	. ' '
55	5	. $this->quoter->quoteColumnName($column)
56	5	. (empty($definition) ? '' : ' ' . $definition)
57	5	. ' COMMENT '
58	5	. (string) $this->quoter->quoteValue($comment);
59
60	5	if ($check === 1) {
61		$alterSql .= ' ' . $checkMatches[0];
62		}
63
64	5	return $alterSql;
65		}
66
67	4	public function addCommentOnTable(string $table, string $comment): string
68		{
69	4	return 'ALTER TABLE '
70	4	. $this->quoter->quoteTableName($table)
71	4	. ' COMMENT '
72	4	. (string) $this->quoter->quoteValue($comment);
73		}
74
75	2	public function addDefaultValue(string $table, string $name, string $column, mixed $value): string
76		{
77	2	throw new NotSupportedException(__METHOD__ . ' is not supported by MySQL.');
78		}
79
80	10	public function createIndex(
81		string $table,
82		string $name,
83		array\|string $columns,
84		string $indexType = null,
85		string $indexMethod = null
86		): string {
87	10	return 'CREATE ' . ($indexType ? ($indexType . ' ') : '') . 'INDEX '
88	10	. $this->quoter->quoteTableName($name)
89	10	. ($indexMethod !== null ? " USING $indexMethod" : '')
90	10	. ' ON ' . $this->quoter->quoteTableName($table)
91	10	. ' (' . $this->queryBuilder->buildColumns($columns) . ')';
92		}
93
94	1	public function checkIntegrity(string $schema = '', string $table = '', bool $check = true): string
95		{
96	1	return 'SET FOREIGN_KEY_CHECKS = ' . ($check ? 1 : 0);
97		}
98
99		/**
100		* @throws NotSupportedException
101		*/
102	1	public function dropCheck(string $table, string $name): string
103		{
104	1	throw new NotSupportedException(__METHOD__ . ' is not supported by MySQL.');
105		}
106
107		/**
108		* @throws Exception
109		* @throws Throwable
110		*/
111	2	public function dropCommentFromColumn(string $table, string $column): string
112		{
113	2	return $this->addCommentOnColumn($table, $column, '');
114		}
115
116		/**
117		* @throws \Exception
118		*/
119	2	public function dropCommentFromTable(string $table): string
120		{
121	2	return $this->addCommentOnTable($table, '');
122		}
123
124	1	public function dropDefaultValue(string $table, string $name): string
125		{
126	1	throw new NotSupportedException(__METHOD__ . ' is not supported by MySQL.');
127		}
128
129	2	public function dropForeignKey(string $table, string $name): string
130		{
131	2	return 'ALTER TABLE '
132	2	. $this->quoter->quoteTableName($table)
133	2	. ' DROP FOREIGN KEY '
134	2	. $this->quoter->quoteColumnName($name);
135		}
136
137	3	public function dropPrimaryKey(string $table, string $name): string
138		{
139	3	return 'ALTER TABLE ' . $this->quoter->quoteTableName($table) . ' DROP PRIMARY KEY';
140		}
141
142	3	public function dropUnique(string $table, string $name): string
143		{
144	3	return $this->dropIndex($table, $name);
145		}
146
147		/**
148		* @throws Exception
149		* @throws Throwable
150		*/
151	2	public function renameColumn(string $table, string $oldName, string $newName): string
152		{
153	2	$quotedTable = $this->quoter->quoteTableName($table);
154
155	2	$columnDefinition = $this->getColumnDefinition($table, $oldName);
156
157		/* try to give back an SQL anyway */
158	2	return "ALTER TABLE $quotedTable CHANGE "
159	2	. $this->quoter->quoteColumnName($oldName) . ' '
160	2	. $this->quoter->quoteColumnName($newName)
161	2	. (!empty($columnDefinition) ? ' ' . $columnDefinition : '');
162		}
163
164		/**
165		* Gets column definition.
166		*
167		* @param string $table The table name.
168		* @param string $column The column name.
169		*
170		* @throws Throwable In case when table doesn't contain a column.
171		*
172		* @return string The column definition.
173		*/
174	7	public function getColumnDefinition(string $table, string $column): string
175		{
176	7	$result = '';
177	7	$sql = $this->schema->getTableSchema($table)?->getCreateSql();
178
179	7	if (empty($sql)) {
180		return '';
181		}
182
183	7	if (preg_match_all('/^\s([`"])(.?)\\1\s+(.*?),?$/m', $sql, $matches)) {
184	7	foreach ($matches[2] as $i => $c) {
185	7	if ($c === $column) {
186	7	$result = $matches[3][$i];
187		}
188		}
189		}
190
191	7	return $result;
192		}
193		}
194

yiisoft / db-mysql

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DDLQueryBuilder::__construct() A

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