/**
* Only type '_wpg' objects can appear on query level (essentially as nominal classes)
*
* @since 2.2
*
* @param Description $description
*
* @return QuerySegment
*/
public function interpretDescription(Description $description)
{
$query = new QuerySegment();
if (!$description->getDataItem() instanceof DIWikiPage) {
return $query;
}
$comparator = $description->getComparator();
$value = $description->getDataItem()->getSortKey();
// A simple value match using the `~~Foo` will initiate a fulltext
// search without being bound to a property allowing a broad match
// search
if (($comparator === SMW_CMP_LIKE || $comparator === SMW_CMP_NLKE) && strpos($value, '~') !== false) {
$fulltextSearchSupport = $this->addFulltextSearchCondition($query, $comparator, $value);
if ($fulltextSearchSupport) {
return $query;
}
}
if ($comparator === SMW_CMP_EQ) {
$query->type = QuerySegment::Q_VALUE;
$oid = $this->querySegmentListBuilder->getStore()->getObjectIds()->getSMWPageID($description->getDataItem()->getDBkey(), $description->getDataItem()->getNamespace(), $description->getDataItem()->getInterwiki(), $description->getDataItem()->getSubobjectName());
$query->joinfield = array($oid);
} else {
// Join with SMW IDs table needed for other comparators (apply to title string).
$query->joinTable = SMWSql3SmwIds::TABLE_NAME;
$query->joinfield = "{$query->alias}.smw_id";
$comparator = $this->comparatorMapper->mapComparator($description, $value);
$db = $this->querySegmentListBuilder->getStore()->getConnection('mw.db.queryengine');
$query->where = "{$query->alias}.smw_sortkey{$comparator}" . $db->addQuotes($value);
}
return $query;
}
/**
* @since 2.2
*
* {@inheritDoc}
*/
public function interpretDescription(Description $description)
{
$joinVariable = $this->compoundConditionBuilder->getJoinVariable();
$orderByProperty = $this->compoundConditionBuilder->getOrderByProperty();
$dataItem = $description->getDataItem();
$property = $description->getProperty();
switch ($description->getComparator()) {
case SMW_CMP_EQ:
$comparator = '=';
break;
case SMW_CMP_LESS:
$comparator = '<';
break;
case SMW_CMP_GRTR:
$comparator = '>';
break;
case SMW_CMP_LEQ:
$comparator = '<=';
break;
case SMW_CMP_GEQ:
$comparator = '>=';
break;
case SMW_CMP_NEQ:
$comparator = '!=';
break;
case SMW_CMP_LIKE:
$comparator = 'regex';
break;
case SMW_CMP_NLKE:
$comparator = '!regex';
break;
default:
$comparator = '';
// unkown, unsupported
}
if ($comparator === '') {
return $this->createConditionForEmptyComparator($joinVariable, $orderByProperty);
} elseif ($comparator == '=') {
return $this->createConditionForEqualityComparator($dataItem, $property, $joinVariable, $orderByProperty);
} elseif ($comparator == 'regex' || $comparator == '!regex') {
return $this->createConditionForRegexComparator($dataItem, $joinVariable, $orderByProperty, $comparator);
}
return $this->createFilterConditionForAnyOtherComparator($dataItem, $joinVariable, $orderByProperty, $comparator);
}
/**
* Only type '_wpg' objects can appear on query level (essentially as nominal classes)
*
* @since 2.2
*
* @param Description $description
*
* @return QuerySegment
*/
public function interpretDescription(Description $description)
{
$query = new QuerySegment();
if (!$description->getDataItem() instanceof DIWikiPage) {
return $query;
}
if ($description->getComparator() === SMW_CMP_EQ) {
$query->type = QuerySegment::Q_VALUE;
$oid = $this->querySegmentListBuilder->getStore()->getObjectIds()->getSMWPageID($description->getDataItem()->getDBkey(), $description->getDataItem()->getNamespace(), $description->getDataItem()->getInterwiki(), $description->getDataItem()->getSubobjectName());
$query->joinfield = array($oid);
} else {
// Join with SMW IDs table needed for other comparators (apply to title string).
$query->joinTable = SMWSql3SmwIds::TABLE_NAME;
$query->joinfield = "{$query->alias}.smw_id";
$value = $description->getDataItem()->getSortKey();
$comparator = $this->comparatorMapper->mapComparator($description, $value);
$query->where = "{$query->alias}.smw_sortkey{$comparator}" . $this->querySegmentListBuilder->getStore()->getConnection('mw.db')->addQuotes($value);
}
return $query;
}
