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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\db\pgsql;
use yii\db\ArrayExpression;
use yii\db\ExpressionInterface;
use yii\db\JsonExpression;
/**
* Class ColumnSchema for PostgreSQL database.
*
* @author Dmytro Naumenko <d.naumenko.a@gmail.com>
*/
class ColumnSchema extends \yii\db\ColumnSchema
{
/**
* @var int the dimension of array. Defaults to 0, means this column is not an array.
*/
public $dimension = 0;
/**
* @var bool whether the column schema should OMIT using JSON support feature.
* You can use this property to make upgrade to Yii 2.0.14 easier.
* Default to `false`, meaning JSON support is enabled.
*
* @since 2.0.14.1
* @deprecated Since 2.0.14.1 and will be removed in 2.1.
*/
public $disableJsonSupport = false;
/**
* @var bool whether the column schema should OMIT using PgSQL Arrays support feature.
* You can use this property to make upgrade to Yii 2.0.14 easier.
* Default to `false`, meaning Arrays support is enabled.
*
* @since 2.0.14.1
* @deprecated Since 2.0.14.1 and will be removed in 2.1.
*/
public $disableArraySupport = false;
/**
* @var bool whether the Array column value should be unserialized to an [[ArrayExpression]] object.
* You can use this property to make upgrade to Yii 2.0.14 easier.
* Default to `true`, meaning arrays are unserialized to [[ArrayExpression]] objects.
*
* @since 2.0.14.1
* @deprecated Since 2.0.14.1 and will be removed in 2.1.
*/
public $deserializeArrayColumnToArrayExpression = true;
/**
* {@inheritdoc}
*/
public function dbTypecast($value)
{
if ($value === null) {
return $value;
}
if ($value instanceof ExpressionInterface) {
return $value;
}
if ($this->dimension > 0) {
return $this->disableArraySupport
? (string) $value
: new ArrayExpression($value, $this->dbType, $this->dimension);
}
if (!$this->disableJsonSupport && in_array($this->dbType, [Schema::TYPE_JSON, Schema::TYPE_JSONB], true)) {
return new JsonExpression($value, $this->dbType);
}
return $this->typecast($value);
}
/**
* {@inheritdoc}
*/
public function phpTypecast($value)
{
if ($this->dimension > 0) {
if ($this->disableArraySupport) {
return $value;
}
if (!is_array($value)) {
$value = $this->getArrayParser()->parse($value);
}
if (is_array($value)) {
array_walk_recursive($value, function (&$val, $key) {
$val = $this->phpTypecastValue($val);
});
} elseif ($value === null) {
return null;
}
return $this->deserializeArrayColumnToArrayExpression
? new ArrayExpression($value, $this->dbType, $this->dimension)
: $value;
}
return $this->phpTypecastValue($value);
}
/**
* Casts $value after retrieving from the DBMS to PHP representation.
*
* @param string|null $value
* @return bool|mixed|null
*/
protected function phpTypecastValue($value)
{
if ($value === null) {
return null;
}
switch ($this->type) {
case Schema::TYPE_BOOLEAN:
switch (strtolower($value)) {
case 't':
case 'true':
return true;
case 'f':
case 'false':
return false;
}
return (bool) $value;
case Schema::TYPE_JSON:
return $this->disableJsonSupport ? $value : json_decode($value, true);
}
return parent::phpTypecast($value);
}
/**
* Creates instance of ArrayParser
*
* @return ArrayParser
*/
protected function getArrayParser()
{
static $parser = null;
if ($parser === null) {
$parser = new ArrayParser();
}
return $parser;
}
}
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