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<?php
namespace SMW\SQLStore\EntityStore\DIHandlers;
use SMW\SQLStore\EntityStore\DataItemHandler;
use SMW\SQLStore\TableBuilder\FieldType;
use SMWDataItem as DataItem;
use SMWDIBoolean as DIBoolean;
/**
* This class implements Store access to Boolean data items.
*
* @license GNU GPL v2+
* @since 1.8
*
* @author Nischay Nahata
*/
class DIBooleanHandler extends DataItemHandler {
/**
* @since 1.8
*
* {@inheritDoc}
*/
public function getTableFields() {
return [
'o_value' => FieldType::TYPE_BOOL
];
}
/**
* @since 1.8
*
* {@inheritDoc}
*/
public function getFetchFields() {
return [
'o_value' => FieldType::TYPE_BOOL
];
}
/**
* @since 1.8
*
* {@inheritDoc}
*/
public function getWhereConds( DataItem $dataItem ) {
return [
'o_value' => $dataItem->getBoolean() ? 1 : 0,
];
}
/**
* @since 1.8
*
* {@inheritDoc}
*/
public function getInsertValues( DataItem $dataItem ) {
return [
'o_value' => $dataItem->getBoolean() ? 1 : 0,
];
}
/**
* @since 1.8
*
* {@inheritDoc}
*/
public function getIndexField() {
return 'o_value';
}
/**
* @since 1.8
*
* {@inheritDoc}
*/
public function getLabelField() {
return 'o_value';
}
/**
* @since 1.8
*
* {@inheritDoc}
*/
public function dataItemFromDBKeys( $dbkeys ) {
global $wgDBtype;
//PgSQL returns as t and f and need special handling http://archives.postgresql.org/pgsql-php/2010-02/msg00005.php
if ( $wgDBtype == 'postgres' ) {
$value = ( $dbkeys == 't' );
} else {
$value = ( $dbkeys == '1' );
}
return new DIBoolean( $value );
}
}
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