<?php /** * @link http://www.yiiframework.com/ * @copyright Copyright (c) 2008 Yii Software LLC * @license http://www.yiiframework.com/license/ */ namespace yii\sphinx; use yii\base\InvalidParamException; use yii\base\Object; use yii\db\Exception; use yii\db\Expression; /** * QueryBuilder builds a SELECT SQL statement based on the specification given as a [[Query]] object. * * QueryBuilder can also be used to build SQL statements such as INSERT, REPLACE, UPDATE, DELETE, * from a [[Query]] object. * * @author Paul Klimov <klimov.paul@gmail.com> * @since 2.0 */ class QueryBuilder extends Object { /** * The prefix for automatically generated query binding parameters. */ const PARAM_PREFIX = ':qp'; /** * @var Connection the Sphinx connection. */ public $db; /** * @var string the separator between different fragments of a SQL statement. * Defaults to an empty space. This is mainly used by [[build()]] when generating a SQL statement. */ public $separator = " "; /** * Constructor. * @param Connection $connection the Sphinx connection. * @param array $config name-value pairs that will be used to initialize the object properties */ public function __construct($connection, $config = []) { $this->db = $connection; parent::__construct($config); } /** * Generates a SELECT SQL statement from a [[Query]] object. * @param Query $query the [[Query]] object from which the SQL statement will be generated * @return array the generated SQL statement (the first array element) and the corresponding * parameters to be bound to the SQL statement (the second array element). */ public function build($query) { $params = $query->params; if ($query->match !== null) { $phName = self::PARAM_PREFIX . count($params); $params[$phName] = (string)$query->match; $query->andWhere('MATCH(' . $phName . ')'); } $clauses = [ $this->buildSelect($query->select, $query->distinct, $query->selectOption), $this->buildFrom($query->from), $this->buildWhere($query->from, $query->where, $params), $this->buildGroupBy($query->groupBy), $this->buildWithin($query->within), $this->buildOrderBy($query->orderBy), $this->buildLimit($query->limit, $query->offset), $this->buildOption($query->options, $params), ]; return [implode($this->separator, array_filter($clauses)), $params]; } /** * Creates an INSERT SQL statement. * For example, * * ~~~ * $sql = $queryBuilder->insert('idx_user', [ * 'name' => 'Sam', * 'age' => 30, * 'id' => 10, * ], $params); * ~~~ * * The method will properly escape the index and column names. * * @param string $index the index that new rows will be inserted into. * @param array $columns the column data (name => value) to be inserted into the index. * @param array $params the binding parameters that will be generated by this method. * They should be bound to the Sphinx command later. * @return string the INSERT SQL */ public function insert($index, $columns, &$params) { return $this->generateInsertReplace('INSERT', $index, $columns, $params); } /** * Creates an REPLACE SQL statement. * For example, * * ~~~ * $sql = $queryBuilder->replace('idx_user', [ * 'name' => 'Sam', * 'age' => 30, * 'id' => 10, * ], $params); * ~~~ * * The method will properly escape the index and column names. * * @param string $index the index that new rows will be replaced. * @param array $columns the column data (name => value) to be replaced in the index. * @param array $params the binding parameters that will be generated by this method. * They should be bound to the Sphinx command later. * @return string the INSERT SQL */ public function replace($index, $columns, &$params) { return $this->generateInsertReplace('REPLACE', $index, $columns, $params); } /** * Generates INSERT/REPLACE SQL statement. * @param string $statement statement ot be generated. * @param string $index the affected index name. * @param array $columns the column data (name => value). * @param array $params the binding parameters that will be generated by this method. * @return string generated SQL */ protected function generateInsertReplace($statement, $index, $columns, &$params) { if (($indexSchema = $this->db->getIndexSchema($index)) !== null) { $indexSchemas = [$indexSchema]; } else { $indexSchemas = []; } $names = []; $placeholders = []; foreach ($columns as $name => $value) { $names[] = $this->db->quoteColumnName($name); $placeholders[] = $this->composeColumnValue($indexSchemas, $name, $value, $params); } return $statement . ' INTO ' . $this->db->quoteIndexName($index) . ' (' . implode(', ', $names) . ') VALUES (' . implode(', ', $placeholders) . ')'; } /** * Generates a batch INSERT SQL statement. * For example, * * ~~~ * $connection->createCommand()->batchInsert('idx_user', ['id', 'name', 'age'], [ * [1, 'Tom', 30], * [2, 'Jane', 20], * [3, 'Linda', 25], * ])->execute(); * ~~~ * * Note that the values in each row must match the corresponding column names. * * @param string $index the index that new rows will be inserted into. * @param array $columns the column names * @param array $rows the rows to be batch inserted into the index * @param array $params the binding parameters that will be generated by this method. * They should be bound to the Sphinx command later. * @return string the batch INSERT SQL statement */ public function batchInsert($index, $columns, $rows, &$params) { return $this->generateBatchInsertReplace('INSERT', $index, $columns, $rows, $params); } /** * Generates a batch REPLACE SQL statement. * For example, * * ~~~ * $connection->createCommand()->batchReplace('idx_user', ['id', 'name', 'age'], [ * [1, 'Tom', 30], * [2, 'Jane', 20], * [3, 'Linda', 25], * ])->execute(); * ~~~ * * Note that the values in each row must match the corresponding column names. * * @param string $index the index that new rows will be replaced. * @param array $columns the column names * @param array $rows the rows to be batch replaced in the index * @param array $params the binding parameters that will be generated by this method. * They should be bound to the Sphinx command later. * @return string the batch INSERT SQL statement */ public function batchReplace($index, $columns, $rows, &$params) { return $this->generateBatchInsertReplace('REPLACE', $index, $columns, $rows, $params); } /** * Generates a batch INSERT/REPLACE SQL statement. * @param string $statement statement ot be generated. * @param string $index the affected index name. * @param array $columns the column data (name => value). * @param array $rows the rows to be batch inserted into the index * @param array $params the binding parameters that will be generated by this method. * @return string generated SQL */ protected function generateBatchInsertReplace($statement, $index, $columns, $rows, &$params) { if (($indexSchema = $this->db->getIndexSchema($index)) !== null) { $indexSchemas = [$indexSchema]; } else { $indexSchemas = []; } foreach ($columns as $i => $name) { $columns[$i] = $this->db->quoteColumnName($name); } $values = []; foreach ($rows as $row) { $vs = []; foreach ($row as $i => $value) { $vs[] = $this->composeColumnValue($indexSchemas, $columns[$i], $value, $params); } $values[] = '(' . implode(', ', $vs) . ')'; } return $statement . ' INTO ' . $this->db->quoteIndexName($index) . ' (' . implode(', ', $columns) . ') VALUES ' . implode(', ', $values); } /** * Creates an UPDATE SQL statement. * For example, * * ~~~ * $params = []; * $sql = $queryBuilder->update('idx_user', ['status' => 1], 'age > 30', $params); * ~~~ * * The method will properly escape the index and column names. * * @param string $index the index to be updated. * @param array $columns the column data (name => value) to be updated. * @param array|string $condition the condition that will be put in the WHERE part. Please * refer to [[Query::where()]] on how to specify condition. * @param array $params the binding parameters that will be modified by this method * so that they can be bound to the Sphinx command later. * @param array $options list of options in format: optionName => optionValue * @return string the UPDATE SQL */ public function update($index, $columns, $condition, &$params, $options) { if (($indexSchema = $this->db->getIndexSchema($index)) !== null) { $indexSchemas = [$indexSchema]; } else { $indexSchemas = []; } $lines = []; foreach ($columns as $name => $value) { $lines[] = $this->db->quoteColumnName($name) . '=' . $this->composeColumnValue($indexSchemas, $name, $value, $params); } $sql = 'UPDATE ' . $this->db->quoteIndexName($index) . ' SET ' . implode(', ', $lines); $where = $this->buildWhere([$index], $condition, $params); if ($where !== '') { $sql = $sql . ' ' . $where; } $option = $this->buildOption($options, $params); if ($option !== '') { $sql = $sql . ' ' . $option; } return $sql; } /** * Creates a DELETE SQL statement. * For example, * * ~~~ * $sql = $queryBuilder->delete('idx_user', 'status = 0'); * ~~~ * * The method will properly escape the index and column names. * * @param string $index the index where the data will be deleted from. * @param array|string $condition the condition that will be put in the WHERE part. Please * refer to [[Query::where()]] on how to specify condition. * @param array $params the binding parameters that will be modified by this method * so that they can be bound to the Sphinx command later. * @return string the DELETE SQL */ public function delete($index, $condition, &$params) { $sql = 'DELETE FROM ' . $this->db->quoteIndexName($index); $where = $this->buildWhere([$index], $condition, $params); return $where === '' ? $sql : $sql . ' ' . $where; } /** * Builds a SQL statement for truncating an index. * @param string $index the index to be truncated. The name will be properly quoted by the method. * @return string the SQL statement for truncating an index. */ public function truncateIndex($index) { return 'TRUNCATE RTINDEX ' . $this->db->quoteIndexName($index); } /** * Builds a SQL statement for call snippet from provided data and query, using specified index settings. * @param string $index name of the index, from which to take the text processing settings. * @param string|array $source is the source data to extract a snippet from. * It could be either a single string or array of strings. * @param string $match the full-text query to build snippets for. * @param array $options list of options in format: optionName => optionValue * @param array $params the binding parameters that will be modified by this method * so that they can be bound to the Sphinx command later. * @return string the SQL statement for call snippets. */ public function callSnippets($index, $source, $match, $options, &$params) { if (is_array($source)) { $dataSqlParts = []; foreach ($source as $sourceRow) { $phName = self::PARAM_PREFIX . count($params); $params[$phName] = $sourceRow; $dataSqlParts[] = $phName; } $dataSql = '(' . implode(',', $dataSqlParts) . ')'; } else { $phName = self::PARAM_PREFIX . count($params); $params[$phName] = $source; $dataSql = $phName; } $indexParamName = self::PARAM_PREFIX . count($params); $params[$indexParamName] = $index; $matchParamName = self::PARAM_PREFIX . count($params); $params[$matchParamName] = $match; if (!empty($options)) { $optionParts = []; foreach ($options as $name => $value) { if ($value instanceof Expression) { $actualValue = $value->expression; } else { $actualValue = self::PARAM_PREFIX . count($params); $params[$actualValue] = $value; } $optionParts[] = $actualValue . ' AS ' . $name; } $optionSql = ', ' . implode(', ', $optionParts); } else { $optionSql = ''; } return 'CALL SNIPPETS(' . $dataSql. ', ' . $indexParamName . ', ' . $matchParamName . $optionSql. ')'; } /** * Builds a SQL statement for returning tokenized and normalized forms of the keywords, and, * optionally, keyword statistics. * @param string $index the name of the index from which to take the text processing settings * @param string $text the text to break down to keywords. * @param boolean $fetchStatistic whether to return document and hit occurrence statistics * @param array $params the binding parameters that will be modified by this method * so that they can be bound to the Sphinx command later. * @return string the SQL statement for call keywords. */ public function callKeywords($index, $text, $fetchStatistic, &$params) { $indexParamName = self::PARAM_PREFIX . count($params); $params[$indexParamName] = $index; $textParamName = self::PARAM_PREFIX . count($params); $params[$textParamName] = $text; return 'CALL KEYWORDS(' . $textParamName . ', ' . $indexParamName . ($fetchStatistic ? ', 1' : '') . ')'; } /** * @param array $columns * @param boolean $distinct * @param string $selectOption * @return string the SELECT clause built from [[query]]. */ public function buildSelect($columns, $distinct = false, $selectOption = null) { $select = $distinct ? 'SELECT DISTINCT' : 'SELECT'; if ($selectOption !== null) { $select .= ' ' . $selectOption; } if (empty($columns)) { return $select . ' *'; } foreach ($columns as $i => $column) { if (is_object($column)) { $columns[$i] = (string)$column; } elseif (strpos($column, '(') === false) { if (preg_match('/^(.*?)(?i:\s+as\s+|\s+)([\w\-_\.]+)$/', $column, $matches)) { $columns[$i] = $this->db->quoteColumnName($matches[1]) . ' AS ' . $this->db->quoteColumnName($matches[2]); } else { $columns[$i] = $this->db->quoteColumnName($column); } } } if (is_array($columns)) { $columns = implode(', ', $columns); } return $select . ' ' . $columns; } /** * @param array $indexes * @return string the FROM clause built from [[query]]. */ public function buildFrom($indexes) { if (empty($indexes)) { return ''; } foreach ($indexes as $i => $index) { if (strpos($index, '(') === false) { if (preg_match('/^(.*?)(?i:\s+as|)\s+([^ ]+)$/', $index, $matches)) { // with alias $indexes[$i] = $this->db->quoteIndexName($matches[1]) . ' ' . $this->db->quoteIndexName($matches[2]); } else { $indexes[$i] = $this->db->quoteIndexName($index); } } } if (is_array($indexes)) { $indexes = implode(', ', $indexes); } return 'FROM ' . $indexes; } /** * @param string[] $indexes list of index names, which affected by query * @param string|array $condition * @param array $params the binding parameters to be populated * @return string the WHERE clause built from [[query]]. */ public function buildWhere($indexes, $condition, &$params) { if (empty($condition)) { return ''; } $indexSchemas = []; if (!empty($indexes)) { foreach ($indexes as $indexName) { $index = $this->db->getIndexSchema($indexName); if ($index !== null) { $indexSchemas[] = $index; } } } $where = $this->buildCondition($indexSchemas, $condition, $params); return $where === '' ? '' : 'WHERE ' . $where; } /** * @param array $columns * @return string the GROUP BY clause */ public function buildGroupBy($columns) { return empty($columns) ? '' : 'GROUP BY ' . $this->buildColumns($columns); } /** * @param array $columns * @return string the ORDER BY clause built from [[query]]. */ public function buildOrderBy($columns) { if (empty($columns)) { return ''; } $orders = []; foreach ($columns as $name => $direction) { if (is_object($direction)) { $orders[] = (string)$direction; } else { $orders[] = $this->db->quoteColumnName($name) . ($direction === SORT_DESC ? ' DESC' : 'ASC'); } } return 'ORDER BY ' . implode(', ', $orders); } /** * @param integer $limit * @param integer $offset * @return string the LIMIT and OFFSET clauses built from [[query]]. */ public function buildLimit($limit, $offset) { $sql = ''; if ($limit !== null && $limit >= 0) { $sql = 'LIMIT ' . (int)$limit; } if ($offset > 0) { $sql .= ' OFFSET ' . (int)$offset; } return ltrim($sql); } /** * Processes columns and properly quote them if necessary. * It will join all columns into a string with comma as separators. * @param string|array $columns the columns to be processed * @return string the processing result */ public function buildColumns($columns) { if (!is_array($columns)) { if (strpos($columns, '(') !== false) { return $columns; } else { $columns = preg_split('/\s*,\s*/', $columns, -1, PREG_SPLIT_NO_EMPTY); } } foreach ($columns as $i => $column) { if (is_object($column)) { $columns[$i] = (string)$column; } elseif (strpos($column, '(') === false) { $columns[$i] = $this->db->quoteColumnName($column); } } return is_array($columns) ? implode(', ', $columns) : $columns; } /** * Parses the condition specification and generates the corresponding SQL expression. * @param IndexSchema[] $indexes list of indexes, which affected by query * @param string|array $condition the condition specification. Please refer to [[Query::where()]] * on how to specify a condition. * @param array $params the binding parameters to be populated * @return string the generated SQL expression * @throws \yii\db\Exception if the condition is in bad format */ public function buildCondition($indexes, $condition, &$params) { static $builders = [ 'AND' => 'buildAndCondition', 'OR' => 'buildAndCondition', 'BETWEEN' => 'buildBetweenCondition', 'NOT BETWEEN' => 'buildBetweenCondition', 'IN' => 'buildInCondition', 'NOT IN' => 'buildInCondition', 'LIKE' => 'buildLikeCondition', 'NOT LIKE' => 'buildLikeCondition', 'OR LIKE' => 'buildLikeCondition', 'OR NOT LIKE' => 'buildLikeCondition', ]; if (!is_array($condition)) { return (string)$condition; } elseif (empty($condition)) { return ''; } if (isset($condition[0])) { // operator format: operator, operand 1, operand 2, ... $operator = strtoupper($condition[0]); if (isset($builders[$operator])) { $method = $builders[$operator]; array_shift($condition); return $this->$method($indexes, $operator, $condition, $params); } else { throw new Exception('Found unknown operator in query: ' . $operator); } } else { // hash format: 'column1' => 'value1', 'column2' => 'value2', ... return $this->buildHashCondition($indexes, $condition, $params); } } /** * Creates a condition based on column-value pairs. * @param IndexSchema[] $indexes list of indexes, which affected by query * @param array $condition the condition specification. * @param array $params the binding parameters to be populated * @return string the generated SQL expression */ public function buildHashCondition($indexes, $condition, &$params) { $parts = []; foreach ($condition as $column => $value) { if (is_array($value)) { // IN condition $parts[] = $this->buildInCondition($indexes, 'IN', [$column, $value], $params); } else { if (strpos($column, '(') === false) { $quotedColumn = $this->db->quoteColumnName($column); } else { $quotedColumn = $column; } if ($value === null) { $parts[] = "$quotedColumn IS NULL"; } else { $parts[] = $quotedColumn . '=' . $this->composeColumnValue($indexes, $column, $value, $params); } } } return count($parts) === 1 ? $parts[0] : '(' . implode(') AND (', $parts) . ')'; } /** * Connects two or more SQL expressions with the `AND` or `OR` operator. * @param IndexSchema[] $indexes list of indexes, which affected by query * @param string $operator the operator to use for connecting the given operands * @param array $operands the SQL expressions to connect. * @param array $params the binding parameters to be populated * @return string the generated SQL expression */ public function buildAndCondition($indexes, $operator, $operands, &$params) { $parts = []; foreach ($operands as $operand) { if (is_array($operand)) { $operand = $this->buildCondition($indexes, $operand, $params); } if ($operand !== '') { $parts[] = $operand; } } if (!empty($parts)) { return '(' . implode(") $operator (", $parts) . ')'; } else { return ''; } } /** * Creates an SQL expressions with the `BETWEEN` operator. * @param IndexSchema[] $indexes list of indexes, which affected by query * @param string $operator the operator to use (e.g. `BETWEEN` or `NOT BETWEEN`) * @param array $operands the first operand is the column name. The second and third operands * describe the interval that column value should be in. * @param array $params the binding parameters to be populated * @return string the generated SQL expression * @throws Exception if wrong number of operands have been given. */ public function buildBetweenCondition($indexes, $operator, $operands, &$params) { if (!isset($operands[0], $operands[1], $operands[2])) { throw new Exception("Operator '$operator' requires three operands."); } list($column, $value1, $value2) = $operands; if (strpos($column, '(') === false) { $quotedColumn = $this->db->quoteColumnName($column); } else { $quotedColumn = $column; } $phName1 = $this->composeColumnValue($indexes, $column, $value1, $params); $phName2 = $this->composeColumnValue($indexes, $column, $value2, $params); return "$quotedColumn $operator $phName1 AND $phName2"; } /** * Creates an SQL expressions with the `IN` operator. * @param IndexSchema[] $indexes list of indexes, which affected by query * @param string $operator the operator to use (e.g. `IN` or `NOT IN`) * @param array $operands the first operand is the column name. If it is an array * a composite IN condition will be generated. * The second operand is an array of values that column value should be among. * If it is an empty array the generated expression will be a `false` value if * operator is `IN` and empty if operator is `NOT IN`. * @param array $params the binding parameters to be populated * @return string the generated SQL expression * @throws Exception if wrong number of operands have been given. */ public function buildInCondition($indexes, $operator, $operands, &$params) { if (!isset($operands[0], $operands[1])) { throw new Exception("Operator '$operator' requires two operands."); } list($column, $values) = $operands; $values = (array)$values; if (empty($values) || $column === []) { return $operator === 'IN' ? '0=1' : ''; } if (count($column) > 1) { return $this->buildCompositeInCondition($indexes, $operator, $column, $values, $params); } elseif (is_array($column)) { $column = reset($column); } foreach ($values as $i => $value) { if (is_array($value)) { $value = isset($value[$column]) ? $value[$column] : null; } $values[$i] = $this->composeColumnValue($indexes, $column, $value, $params); } if (strpos($column, '(') === false) { $column = $this->db->quoteColumnName($column); } if (count($values) > 1) { return "$column $operator (" . implode(', ', $values) . ')'; } else { $operator = $operator === 'IN' ? '=' : '<>'; return "$column$operator{$values[0]}"; } } /** * @param IndexSchema[] $indexes list of indexes, which affected by query * @param string $operator the operator to use (e.g. `IN` or `NOT IN`) * @param array $columns * @param array $values * @param array $params the binding parameters to be populated * @return string the generated SQL expression */ protected function buildCompositeInCondition($indexes, $operator, $columns, $values, &$params) { $vss = []; foreach ($values as $value) { $vs = []; foreach ($columns as $column) { if (isset($value[$column])) { $vs[] = $this->composeColumnValue($indexes, $column, $value[$column], $params); } else { $vs[] = 'NULL'; } } $vss[] = '(' . implode(', ', $vs) . ')'; } foreach ($columns as $i => $column) { if (strpos($column, '(') === false) { $columns[$i] = $this->db->quoteColumnName($column); } } return '(' . implode(', ', $columns) . ") $operator (" . implode(', ', $vss) . ')'; } /** * Creates an SQL expressions with the `LIKE` operator. * @param IndexSchema[] $indexes list of indexes, which affected by query * @param string $operator the operator to use (e.g. `LIKE`, `NOT LIKE`, `OR LIKE` or `OR NOT LIKE`) * @param array $operands the first operand is the column name. * The second operand is a single value or an array of values that column value * should be compared with. * If it is an empty array the generated expression will be a `false` value if * operator is `LIKE` or `OR LIKE` and empty if operator is `NOT LIKE` or `OR NOT LIKE`. * @param array $params the binding parameters to be populated * @return string the generated SQL expression * @throws InvalidParamException if wrong number of operands have been given. */ public function buildLikeCondition($indexes, $operator, $operands, &$params) { if (!isset($operands[0], $operands[1])) { throw new InvalidParamException("Operator '$operator' requires two operands."); } list($column, $values) = $operands; $values = (array)$values; if (empty($values)) { return $operator === 'LIKE' || $operator === 'OR LIKE' ? '0=1' : ''; } if ($operator === 'LIKE' || $operator === 'NOT LIKE') { $andor = ' AND '; } else { $andor = ' OR '; $operator = $operator === 'OR LIKE' ? 'LIKE' : 'NOT LIKE'; } if (strpos($column, '(') === false) { $column = $this->db->quoteColumnName($column); } $parts = []; foreach ($values as $value) { $phName = self::PARAM_PREFIX . count($params); $params[$phName] = $value; $parts[] = "$column $operator $phName"; } return implode($andor, $parts); } /** * @param array $columns * @return string the ORDER BY clause built from [[query]]. */ public function buildWithin($columns) { if (empty($columns)) { return ''; } $orders = []; foreach ($columns as $name => $direction) { if (is_object($direction)) { $orders[] = (string)$direction; } else { $orders[] = $this->db->quoteColumnName($name) . ($direction === SORT_DESC ? ' DESC' : ''); } } return 'WITHIN GROUP ORDER BY ' . implode(', ', $orders); } /** * @param array $options query options in format: optionName => optionValue * @param array $params the binding parameters to be populated * @return string the OPTION clause build from [[query]] */ public function buildOption($options, &$params) { if (empty($options)) { return ''; } $optionLines = []; foreach ($options as $name => $value) { if ($value instanceof Expression) { $actualValue = $value->expression; } else { if (is_array($value)) { $actualValueParts = []; foreach ($value as $key => $valuePart) { if (is_numeric($key)) { $actualValuePart = ''; } else { $actualValuePart = $key . ' = '; } if ($valuePart instanceof Expression) { $actualValuePart .= $valuePart->expression; } else { $phName = self::PARAM_PREFIX . count($params); $params[$phName] = $valuePart; $actualValuePart .= $phName; } $actualValueParts[] = $actualValuePart; } $actualValue = '(' . implode(', ', $actualValueParts) . ')'; } else { $actualValue = self::PARAM_PREFIX . count($params); $params[$actualValue] = $value; } } $optionLines[] = $name . ' = ' . $actualValue; } return 'OPTION ' . implode(', ', $optionLines); } /** * Composes column value for SQL, taking in account the column type. * @param IndexSchema[] $indexes list of indexes, which affected by query * @param string $columnName name of the column * @param mixed $value raw column value * @param array $params the binding parameters to be populated * @return string SQL expression, which represents column value */ protected function composeColumnValue($indexes, $columnName, $value, &$params) { if ($value === null) { return 'NULL'; } elseif ($value instanceof Expression) { $params = array_merge($params, $value->params); return $value->expression; } foreach ($indexes as $index) { $columnSchema = $index->getColumn($columnName); if ($columnSchema !== null) { break; } } if (is_array($value)) { // MVA : $lineParts = []; foreach ($value as $subValue) { if ($subValue instanceof Expression) { $params = array_merge($params, $subValue->params); $lineParts[] = $subValue->expression; } else { $phName = self::PARAM_PREFIX . count($params); $lineParts[] = $phName; $params[$phName] = (isset($columnSchema)) ? $columnSchema->typecast($subValue) : $subValue; } } return '(' . implode(',', $lineParts) . ')'; } else { $phName = self::PARAM_PREFIX . count($params); $params[$phName] = (isset($columnSchema)) ? $columnSchema->typecast($value) : $value; return $phName; } } }