smsq/vendor/FluentPDO/UpdateQuery.php
2017-11-15 05:24:35 +01:00

107 lines
3.1 KiB
PHP

<?php
/** UPDATE query builder
*
* @method UpdateQuery leftJoin(string $statement) add LEFT JOIN to query
* ($statement can be 'table' name only or 'table:' means back reference)
* @method UpdateQuery innerJoin(string $statement) add INNER JOIN to query
* ($statement can be 'table' name only or 'table:' means back reference)
* @method UpdateQuery orderBy(string $column) add ORDER BY to query
* @method UpdateQuery limit(int $limit) add LIMIT to query
*/
class UpdateQuery extends CommonQuery
{
/**
* UpdateQuery constructor.
*
* @param FluentPDO $fpdo
* @param $table
*/
public function __construct(FluentPDO $fpdo, $table) {
$clauses = array(
'UPDATE' => array($this, 'getClauseUpdate'),
'JOIN' => array($this, 'getClauseJoin'),
'SET' => array($this, 'getClauseSet'),
'WHERE' => ' AND ',
'ORDER BY' => ', ',
'LIMIT' => null,
);
parent::__construct($fpdo, $clauses);
$this->statements['UPDATE'] = $table;
$tableParts = explode(' ', $table);
$this->joins[] = end($tableParts);
}
/**
* @param string|array $fieldOrArray
* @param bool|string $value
*
* @return $this
* @throws Exception
*/
public function set($fieldOrArray, $value = false) {
if (!$fieldOrArray) {
return $this;
}
if (is_string($fieldOrArray) && $value !== false) {
$this->statements['SET'][$fieldOrArray] = $value;
} else {
if (!is_array($fieldOrArray)) {
throw new Exception('You must pass a value, or provide the SET list as an associative array. column => value');
} else {
foreach ($fieldOrArray as $field => $value) {
$this->statements['SET'][$field] = $value;
}
}
}
return $this;
}
/**
* Execute update query
*
* @param boolean $getResultAsPdoStatement true to return the pdo statement instead of row count
*
* @return int|boolean|\PDOStatement
*/
public function execute($getResultAsPdoStatement = false) {
$result = parent::execute();
if ($getResultAsPdoStatement) {
return $result;
}
if ($result) {
return $result->rowCount();
}
return false;
}
/**
* @return string
*/
protected function getClauseUpdate() {
return 'UPDATE ' . $this->statements['UPDATE'];
}
/**
* @return string
*/
protected function getClauseSet() {
$setArray = array();
foreach ($this->statements['SET'] as $field => $value) {
if ($value instanceof FluentLiteral) {
$setArray[] = $field . ' = ' . $value;
} else {
$setArray[] = $field . ' = ?';
$this->parameters['SET'][$field] = $value;
}
}
return ' SET ' . implode(', ', $setArray);
}
}