QueryBuilder::buildLikeCondition() - Code Metrics - Inspection of "Fixes #13745: `SQLSTATE[HY093]: Invalid parameter..." - yiisoft/yii2 - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 2c9278...a9fb01 )

by Alexander

created 2017-03-11 19:36 UTC

QueryBuilder::buildLikeCondition() A

↳ Parent: QueryBuilder

Complexity

Conditions	2
Paths	2

Size

Total Lines	11
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	6

Importance

Changes

Metric	Value
dl	0
loc	11
ccs	0
cts	7
cp	0
rs	9.4285
c	0
b	0
f	0
cc	2
eloc	4
nc	2
nop	3
crap	6

<?php
/**
 * @link http://www.yiiframework.com/
 * @copyright Copyright (c) 2008 Yii Software LLC
 * @license http://www.yiiframework.com/license/
 */

namespace yii\db\oci;

use yii\base\InvalidParamException;
use yii\db\Connection;
use yii\db\Exception;
use yii\db\Expression;

/**
 * QueryBuilder is the query builder for Oracle databases.
 *
 * @author Qiang Xue <[email protected]>
 * @since 2.0
 */
class QueryBuilder extends \yii\db\QueryBuilder
{
    /**
     * @var array mapping from abstract column types (keys) to physical column types (values).
     */
    public $typeMap = [
        Schema::TYPE_PK => 'NUMBER(10) NOT NULL PRIMARY KEY',
        Schema::TYPE_UPK => 'NUMBER(10) UNSIGNED NOT NULL PRIMARY KEY',
        Schema::TYPE_BIGPK => 'NUMBER(20) NOT NULL PRIMARY KEY',
        Schema::TYPE_UBIGPK => 'NUMBER(20) UNSIGNED NOT NULL PRIMARY KEY',
        Schema::TYPE_CHAR => 'CHAR(1)',
        Schema::TYPE_STRING => 'VARCHAR2(255)',
        Schema::TYPE_TEXT => 'CLOB',
        Schema::TYPE_SMALLINT => 'NUMBER(5)',
        Schema::TYPE_INTEGER => 'NUMBER(10)',
        Schema::TYPE_BIGINT => 'NUMBER(20)',
        Schema::TYPE_FLOAT => 'NUMBER',
        Schema::TYPE_DOUBLE => 'NUMBER',
        Schema::TYPE_DECIMAL => 'NUMBER',
        Schema::TYPE_DATETIME => 'TIMESTAMP',
        Schema::TYPE_TIMESTAMP => 'TIMESTAMP',
        Schema::TYPE_TIME => 'TIMESTAMP',
        Schema::TYPE_DATE => 'DATE',
        Schema::TYPE_BINARY => 'BLOB',
        Schema::TYPE_BOOLEAN => 'NUMBER(1)',
        Schema::TYPE_MONEY => 'NUMBER(19,4)',
    ];

    /**
     * @inheritdoc
     */
    protected $likeEscapeCharacter = '!';
    /**
     * `\` is initialized in [[buildLikeCondition()]] method since
     * we need to choose replacement value based on [[\yii\db\Schema::quoteValue()]].
     * @inheritdoc
     */
    protected $likeEscapingReplacements = [
        '%' => '!%',
        '_' => '!_',
        '!' => '!!',
    ];

    /**
     * @inheritdoc
     */
    public function buildOrderByAndLimit($sql, $orderBy, $limit, $offset)
    {
        $orderBy = $this->buildOrderBy($orderBy);
        if ($orderBy !== '') {
            $sql .= $this->separator . $orderBy;
        }

        $filters = [];
        if ($this->hasOffset($offset)) {
            $filters[] = 'rowNumId > ' . $offset;
        }
        if ($this->hasLimit($limit)) {
            $filters[] = 'rownum <= ' . $limit;
        }
        if (empty($filters)) {
            return $sql;
        }

        $filter = implode(' AND ', $filters);
        return <<<EOD
WITH USER_SQL AS ($sql),
    PAGINATION AS (SELECT USER_SQL.*, rownum as rowNumId FROM USER_SQL)
SELECT *
FROM PAGINATION
WHERE $filter
EOD;
    }

    /**
     * Builds a SQL statement for renaming a DB table.
     *
     * @param string $table the table to be renamed. The name will be properly quoted by the method.
     * @param string $newName the new table name. The name will be properly quoted by the method.
     * @return string the SQL statement for renaming a DB table.
     */
    public function renameTable($table, $newName)
    {
        return 'ALTER TABLE ' . $this->db->quoteTableName($table) . ' RENAME TO ' . $this->db->quoteTableName($newName);
    }

    /**
     * Builds a SQL statement for changing the definition of a column.
     *
     * @param string $table the table whose column is to be changed. The table name will be properly quoted by the method.
     * @param string $column the name of the column to be changed. The name will be properly quoted by the method.
     * @param string $type the new column type. The [[getColumnType]] method will be invoked to convert abstract column type (if any)
     * into the physical one. Anything that is not recognized as abstract type will be kept in the generated SQL.
     * For example, 'string' will be turned into 'varchar(255)', while 'string not null' will become 'varchar(255) not null'.
     * @return string the SQL statement for changing the definition of a column.
     */
    public function alterColumn($table, $column, $type)
    {
        $type = $this->getColumnType($type);

        return 'ALTER TABLE ' . $this->db->quoteTableName($table) . ' MODIFY ' . $this->db->quoteColumnName($column) . ' ' . $this->getColumnType($type);
    }

    /**
     * Builds a SQL statement for dropping an index.
     *
     * @param string $name the name of the index to be dropped. The name will be properly quoted by the method.
     * @param string $table the table whose index is to be dropped. The name will be properly quoted by the method.
     * @return string the SQL statement for dropping an index.
     */
    public function dropIndex($name, $table)
    {
        return 'DROP INDEX ' . $this->db->quoteTableName($name);
    }

    /**
     * @inheritdoc
     */
    public function resetSequence($table, $value = null)
    {
        $tableSchema = $this->db->getTableSchema($table);
        if ($tableSchema === null) {
            throw new InvalidParamException("Unknown table: $table");
        }
        if ($tableSchema->sequenceName === null) {
            return '';
        }

        if ($value !== null) {
            $value = (int) $value;
        } else {
            // use master connection to get the biggest PK value
            $value = $this->db->useMaster(function (Connection $db) use ($tableSchema) {
                return $db->createCommand("SELECT MAX(\"{$tableSchema->primaryKey}\") FROM \"{$tableSchema->name}\"")->queryScalar();
            }) + 1;
        }

        return "DROP SEQUENCE \"{$tableSchema->name}_SEQ\";"
            . "CREATE SEQUENCE \"{$tableSchema->name}_SEQ\" START WITH {$value} INCREMENT BY 1 NOMAXVALUE NOCACHE";
    }

    /**
     * @inheritdoc
     */
    public function addForeignKey($name, $table, $columns, $refTable, $refColumns, $delete = null, $update = null)
    {
        $sql = 'ALTER TABLE ' . $this->db->quoteTableName($table)
            . ' ADD CONSTRAINT ' . $this->db->quoteColumnName($name)
            . ' FOREIGN KEY (' . $this->buildColumns($columns) . ')'
            . ' REFERENCES ' . $this->db->quoteTableName($refTable)
            . ' (' . $this->buildColumns($refColumns) . ')';
        if ($delete !== null) {
            $sql .= ' ON DELETE ' . $delete;
        }
        if ($update !== null) {
            throw new Exception('Oracle does not support ON UPDATE clause.');
        }

        return $sql;
    }

    /**
     * @inheritdoc
     */
    public function insert($table, $columns, &$params)
    {
        $schema = $this->db->getSchema();
        if (($tableSchema = $schema->getTableSchema($table)) !== null) {
            $columnSchemas = $tableSchema->columns;
        } else {
            $columnSchemas = [];
        }
        $names = [];
        $placeholders = [];
        $values = ' DEFAULT VALUES';
        if ($columns instanceof \yii\db\Query) {
            list($names, $values) = $this->prepareInsertSelectSubQuery($columns, $schema);
        } else {
            foreach ($columns as $name => $value) {
                $names[] = $schema->quoteColumnName($name);
                if ($value instanceof Expression) {
                    $placeholders[] = $value->expression;
                    foreach ($value->params as $n => $v) {
                        $params[$n] = $v;
                    }
                } elseif ($value instanceof \yii\db\Query) {
                    list($sql, $params) = $this->build($value, $params);
                    $placeholders[] = "($sql)";
                } else {
                    $phName = self::PARAM_PREFIX . count($params);
                    $placeholders[] = $phName;
                    $params[$phName] = !is_array($value) && isset($columnSchemas[$name]) ? $columnSchemas[$name]->dbTypecast($value) : $value;
                }
            }
            if (empty($names) && $tableSchema !== null) {
                $columns = !empty($tableSchema->primaryKey) ? $tableSchema->primaryKey : [reset($tableSchema->columns)->name];
                foreach ($columns as $name) {
                    $names[] = $schema->quoteColumnName($name);
                    $placeholders[] = 'DEFAULT';
                }
            }
        }

        return 'INSERT INTO ' . $schema->quoteTableName($table)
            . (!empty($names) ? ' (' . implode(', ', $names) . ')' : '')
            . (!empty($placeholders) ? ' VALUES (' . implode(', ', $placeholders) . ')' : $values);
    }

    /**
     * Generates a batch INSERT SQL statement.
     * For example,
     *
     * ```php
     * $sql = $queryBuilder->batchInsert('user', ['name', 'age'], [
     *     ['Tom', 30],
     *     ['Jane', 20],
     *     ['Linda', 25],
     * ]);
     * ```
     *
     * Note that the values in each row must match the corresponding column names.
     *
     * @param string $table the table that new rows will be inserted into.
     * @param array $columns the column names
     * @param array $rows the rows to be batch inserted into the table
     * @return string the batch INSERT SQL statement
     */
    public function batchInsert($table, $columns, $rows)
    {
        if (empty($rows)) {
            return '';
        }

        $schema = $this->db->getSchema();
        if (($tableSchema = $schema->getTableSchema($table)) !== null) {
            $columnSchemas = $tableSchema->columns;
        } else {
            $columnSchemas = [];
        }

        $values = [];
        foreach ($rows as $row) {
            $vs = [];
            foreach ($row as $i => $value) {
                if (isset($columns[$i], $columnSchemas[$columns[$i]]) && !is_array($value)) {
                    $value = $columnSchemas[$columns[$i]]->dbTypecast($value);
                }
                if (is_string($value)) {
                    $value = $schema->quoteValue($value);
                } elseif ($value === false) {
                    $value = 0;
                } elseif ($value === null) {
                    $value = 'NULL';
                }
                $vs[] = $value;
            }
            $values[] = '(' . implode(', ', $vs) . ')';
        }
        if (empty($values)) {
            return '';
        }

        foreach ($columns as $i => $name) {
            $columns[$i] = $schema->quoteColumnName($name);
        }

        $tableAndColumns = ' INTO ' . $schema->quoteTableName($table)
        . ' (' . implode(', ', $columns) . ') VALUES ';

        return 'INSERT ALL ' . $tableAndColumns . implode($tableAndColumns, $values) . ' SELECT 1 FROM SYS.DUAL';
    }

    /**
     * @inheritdoc
     * @since 2.0.8
     */
    public function selectExists($rawSql)
    {
        return 'SELECT CASE WHEN EXISTS(' . $rawSql . ') THEN 1 ELSE 0 END FROM DUAL';
    }

    /**
     * @inheritdoc
     * @since 2.0.8
     */
    public function dropCommentFromColumn($table, $column)
    {
        return 'COMMENT ON COLUMN ' . $this->db->quoteTableName($table) . '.' . $this->db->quoteColumnName($column) . " IS ''";
    }

    /**
     * @inheritdoc
     * @since 2.0.8
     */
    public function dropCommentFromTable($table)
    {
        return 'COMMENT ON TABLE ' . $this->db->quoteTableName($table) . " IS ''";
    }

    /**
     * @inheritDoc
     */
    public function buildLikeCondition($operator, $operands, &$params)
    {
        if (!isset($this->likeEscapingReplacements['\\'])) {
            /*
             * Different pdo_oci8 versions may or may not implement PDO::quote(), so
             * yii\db\Schema::quoteValue() may or may not quote \.
             */
            $this->likeEscapingReplacements['\\'] = substr($this->db->quoteValue('\\'), 1, -1);
        }
        return parent::buildLikeCondition($operator, $operands, $params);
    }
}


1			<?php
2			/**
3			* @link http://www.yiiframework.com/
4			* @copyright Copyright (c) 2008 Yii Software LLC
5			* @license http://www.yiiframework.com/license/
6			*/
7
8			namespace yii\db\oci;
9
10			use yii\base\InvalidParamException;
11			use yii\db\Connection;
12			use yii\db\Exception;
13			use yii\db\Expression;
14
15			/**
16			* QueryBuilder is the query builder for Oracle databases.
17			*
18			* @author Qiang Xue <[email protected]>
19			* @since 2.0
20			*/
21			class QueryBuilder extends \yii\db\QueryBuilder
22			{
23			/**
24			* @var array mapping from abstract column types (keys) to physical column types (values).
25			*/
26			public $typeMap = [
27			Schema::TYPE_PK => 'NUMBER(10) NOT NULL PRIMARY KEY',
28			Schema::TYPE_UPK => 'NUMBER(10) UNSIGNED NOT NULL PRIMARY KEY',
29			Schema::TYPE_BIGPK => 'NUMBER(20) NOT NULL PRIMARY KEY',
30			Schema::TYPE_UBIGPK => 'NUMBER(20) UNSIGNED NOT NULL PRIMARY KEY',
31			Schema::TYPE_CHAR => 'CHAR(1)',
32			Schema::TYPE_STRING => 'VARCHAR2(255)',
33			Schema::TYPE_TEXT => 'CLOB',
34			Schema::TYPE_SMALLINT => 'NUMBER(5)',
35			Schema::TYPE_INTEGER => 'NUMBER(10)',
36			Schema::TYPE_BIGINT => 'NUMBER(20)',
37			Schema::TYPE_FLOAT => 'NUMBER',
38			Schema::TYPE_DOUBLE => 'NUMBER',
39			Schema::TYPE_DECIMAL => 'NUMBER',
40			Schema::TYPE_DATETIME => 'TIMESTAMP',
41			Schema::TYPE_TIMESTAMP => 'TIMESTAMP',
42			Schema::TYPE_TIME => 'TIMESTAMP',
43			Schema::TYPE_DATE => 'DATE',
44			Schema::TYPE_BINARY => 'BLOB',
45			Schema::TYPE_BOOLEAN => 'NUMBER(1)',
46			Schema::TYPE_MONEY => 'NUMBER(19,4)',
47			];
48
49			/**
50			* @inheritdoc
51			*/
52			protected $likeEscapeCharacter = '!';
53			/**
54			* `\` is initialized in [[buildLikeCondition()]] method since
55			* we need to choose replacement value based on [[\yii\db\Schema::quoteValue()]].
56			* @inheritdoc
57			*/
58			protected $likeEscapingReplacements = [
59			'%' => '!%',
60			'_' => '!_',
61			'!' => '!!',
62			];
63
64			/**
65			* @inheritdoc
66			*/
67			public function buildOrderByAndLimit($sql, $orderBy, $limit, $offset)
68			{
69			$orderBy = $this->buildOrderBy($orderBy);
70			if ($orderBy !== '') {
71			$sql .= $this->separator . $orderBy;
72			}
73
74			$filters = [];
75			if ($this->hasOffset($offset)) {
76			$filters[] = 'rowNumId > ' . $offset;
77			}
78			if ($this->hasLimit($limit)) {
79			$filters[] = 'rownum <= ' . $limit;
80			}
81			if (empty($filters)) {
82			return $sql;
83			}
84
85			$filter = implode(' AND ', $filters);
86			return <<<EOD
87			WITH USER_SQL AS ($sql),
88			PAGINATION AS (SELECT USER_SQL.*, rownum as rowNumId FROM USER_SQL)
89			SELECT *
90			FROM PAGINATION
91			WHERE $filter
92			EOD;
93			}
94
95			/**
96			* Builds a SQL statement for renaming a DB table.
97			*
98			* @param string $table the table to be renamed. The name will be properly quoted by the method.
99			* @param string $newName the new table name. The name will be properly quoted by the method.
100			* @return string the SQL statement for renaming a DB table.
101			*/
102			public function renameTable($table, $newName)
103			{
104			return 'ALTER TABLE ' . $this->db->quoteTableName($table) . ' RENAME TO ' . $this->db->quoteTableName($newName);
105			}
106
107			/**
108			* Builds a SQL statement for changing the definition of a column.
109			*
110			* @param string $table the table whose column is to be changed. The table name will be properly quoted by the method.
111			* @param string $column the name of the column to be changed. The name will be properly quoted by the method.
112			* @param string $type the new column type. The [[getColumnType]] method will be invoked to convert abstract column type (if any)
113			* into the physical one. Anything that is not recognized as abstract type will be kept in the generated SQL.
114			* For example, 'string' will be turned into 'varchar(255)', while 'string not null' will become 'varchar(255) not null'.
115			* @return string the SQL statement for changing the definition of a column.
116			*/
117			public function alterColumn($table, $column, $type)
118			{
119			$type = $this->getColumnType($type);
120
121			return 'ALTER TABLE ' . $this->db->quoteTableName($table) . ' MODIFY ' . $this->db->quoteColumnName($column) . ' ' . $this->getColumnType($type);
122			}
123
124			/**
125			* Builds a SQL statement for dropping an index.
126			*
127			* @param string $name the name of the index to be dropped. The name will be properly quoted by the method.
128			* @param string $table the table whose index is to be dropped. The name will be properly quoted by the method.
129			* @return string the SQL statement for dropping an index.
130			*/
131			public function dropIndex($name, $table)
132			{
133			return 'DROP INDEX ' . $this->db->quoteTableName($name);
134			}
135
136			/**
137			* @inheritdoc
138			*/
139			public function resetSequence($table, $value = null)
140			{
141			$tableSchema = $this->db->getTableSchema($table);
142			if ($tableSchema === null) {
143			throw new InvalidParamException("Unknown table: $table");
144			}
145			if ($tableSchema->sequenceName === null) {
146			return '';
147			}
148
149			if ($value !== null) {
150			$value = (int) $value;
151			} else {
152			// use master connection to get the biggest PK value
153			$value = $this->db->useMaster(function (Connection $db) use ($tableSchema) {
154			return $db->createCommand("SELECT MAX(\"{$tableSchema->primaryKey}\") FROM \"{$tableSchema->name}\"")->queryScalar();
155			}) + 1;
156			}
157
158			return "DROP SEQUENCE \"{$tableSchema->name}_SEQ\";"
159			. "CREATE SEQUENCE \"{$tableSchema->name}_SEQ\" START WITH {$value} INCREMENT BY 1 NOMAXVALUE NOCACHE";
160			}
161
162			/**
163			* @inheritdoc
164			*/
165			public function addForeignKey($name, $table, $columns, $refTable, $refColumns, $delete = null, $update = null)
166			{
167			$sql = 'ALTER TABLE ' . $this->db->quoteTableName($table)
168			. ' ADD CONSTRAINT ' . $this->db->quoteColumnName($name)
169			. ' FOREIGN KEY (' . $this->buildColumns($columns) . ')'
170			. ' REFERENCES ' . $this->db->quoteTableName($refTable)
171			. ' (' . $this->buildColumns($refColumns) . ')';
172			if ($delete !== null) {
173			$sql .= ' ON DELETE ' . $delete;
174			}
175			if ($update !== null) {
176			throw new Exception('Oracle does not support ON UPDATE clause.');
177			}
178
179			return $sql;
180			}
181
182			/**
183			* @inheritdoc
184			*/
185			public function insert($table, $columns, &$params)
186			{
187			$schema = $this->db->getSchema();
188			if (($tableSchema = $schema->getTableSchema($table)) !== null) {
189			$columnSchemas = $tableSchema->columns;
190			} else {
191			$columnSchemas = [];
192			}
193			$names = [];
194			$placeholders = [];
195			$values = ' DEFAULT VALUES';
196			if ($columns instanceof \yii\db\Query) {
197			list($names, $values) = $this->prepareInsertSelectSubQuery($columns, $schema);
198			} else {
199			foreach ($columns as $name => $value) {
200			$names[] = $schema->quoteColumnName($name);
201			if ($value instanceof Expression) {
202			$placeholders[] = $value->expression;
203			foreach ($value->params as $n => $v) {
204			$params[$n] = $v;
205			}
206			} elseif ($value instanceof \yii\db\Query) {
207			list($sql, $params) = $this->build($value, $params);
208			$placeholders[] = "($sql)";
209			} else {
210			$phName = self::PARAM_PREFIX . count($params);
211			$placeholders[] = $phName;
212			$params[$phName] = !is_array($value) && isset($columnSchemas[$name]) ? $columnSchemas[$name]->dbTypecast($value) : $value;
213			}
214			}
215			if (empty($names) && $tableSchema !== null) {
216			$columns = !empty($tableSchema->primaryKey) ? $tableSchema->primaryKey : [reset($tableSchema->columns)->name];
217			foreach ($columns as $name) {
218			$names[] = $schema->quoteColumnName($name);
219			$placeholders[] = 'DEFAULT';
220			}
221			}
222			}
223
224			return 'INSERT INTO ' . $schema->quoteTableName($table)
225			. (!empty($names) ? ' (' . implode(', ', $names) . ')' : '')
226			. (!empty($placeholders) ? ' VALUES (' . implode(', ', $placeholders) . ')' : $values);
227			}
228
229			/**
230			* Generates a batch INSERT SQL statement.
231			* For example,
232			*
233			* ```php
234			* $sql = $queryBuilder->batchInsert('user', ['name', 'age'], [
235			* ['Tom', 30],
236			* ['Jane', 20],
237			* ['Linda', 25],
238			* ]);
239			* ```
240			*
241			* Note that the values in each row must match the corresponding column names.
242			*
243			* @param string $table the table that new rows will be inserted into.
244			* @param array $columns the column names
245			* @param array $rows the rows to be batch inserted into the table
246			* @return string the batch INSERT SQL statement
247			*/
248			public function batchInsert($table, $columns, $rows)
249			{
250			if (empty($rows)) {
251			return '';
252			}
253
254			$schema = $this->db->getSchema();
255			if (($tableSchema = $schema->getTableSchema($table)) !== null) {
256			$columnSchemas = $tableSchema->columns;
257			} else {
258			$columnSchemas = [];
259			}
260
261			$values = [];
262			foreach ($rows as $row) {
263			$vs = [];
264			foreach ($row as $i => $value) {
265			if (isset($columns[$i], $columnSchemas[$columns[$i]]) && !is_array($value)) {
266			$value = $columnSchemas[$columns[$i]]->dbTypecast($value);
267			}
268			if (is_string($value)) {
269			$value = $schema->quoteValue($value);
270			} elseif ($value === false) {
271			$value = 0;
272			} elseif ($value === null) {
273			$value = 'NULL';
274			}
275			$vs[] = $value;
276			}
277			$values[] = '(' . implode(', ', $vs) . ')';
278			}
279			if (empty($values)) {
280			return '';
281			}
282
283			foreach ($columns as $i => $name) {
284			$columns[$i] = $schema->quoteColumnName($name);
285			}
286
287			$tableAndColumns = ' INTO ' . $schema->quoteTableName($table)
288			. ' (' . implode(', ', $columns) . ') VALUES ';
289
290			return 'INSERT ALL ' . $tableAndColumns . implode($tableAndColumns, $values) . ' SELECT 1 FROM SYS.DUAL';
291			}
292
293			/**
294			* @inheritdoc
295			* @since 2.0.8
296			*/
297			public function selectExists($rawSql)
298			{
299			return 'SELECT CASE WHEN EXISTS(' . $rawSql . ') THEN 1 ELSE 0 END FROM DUAL';
300			}
301
302			/**
303			* @inheritdoc
304			* @since 2.0.8
305			*/
306			public function dropCommentFromColumn($table, $column)
307			{
308			return 'COMMENT ON COLUMN ' . $this->db->quoteTableName($table) . '.' . $this->db->quoteColumnName($column) . " IS ''";
309			}
310
311			/**
312			* @inheritdoc
313			* @since 2.0.8
314			*/
315			public function dropCommentFromTable($table)
316			{
317			return 'COMMENT ON TABLE ' . $this->db->quoteTableName($table) . " IS ''";
318			}
319
320			/**
321			* @inheritDoc
322			*/
323			public function buildLikeCondition($operator, $operands, &$params)
324			{
325			if (!isset($this->likeEscapingReplacements['\\'])) {
326			/*
327			* Different pdo_oci8 versions may or may not implement PDO::quote(), so
328			* yii\db\Schema::quoteValue() may or may not quote \.
329			*/
330			$this->likeEscapingReplacements['\\'] = substr($this->db->quoteValue('\\'), 1, -1);
331			}
332			return parent::buildLikeCondition($operator, $operands, $params);
333			}
334			}
335

yiisoft / yii2

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QueryBuilder::buildLikeCondition() A

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