/** * Set up the simplest initial query */ protected function initialiseQuery() { // Join on base table and let lazy loading join subtables $baseClass = DataObject::getSchema()->baseDataClass($this->dataClass()); if (!$baseClass) { throw new InvalidArgumentException("DataQuery::create() Can't find data classes for '{$this->dataClass}'"); } // Build our intial query $this->query = new SQLSelect(array()); $this->query->setDistinct(true); if ($sort = singleton($this->dataClass)->stat('default_sort')) { $this->sort($sort); } $baseTable = DataObject::getSchema()->tableName($baseClass); $this->query->setFrom("\"{$baseTable}\""); $obj = Injector::inst()->get($baseClass); $obj->extend('augmentDataQueryCreation', $this->query, $this); }
/** * Return the number of rows in this query if the limit were removed. Useful in paged data sets. * * @param string $column * @return int */ public function unlimitedRowCount($column = null) { // we can't clear the select if we're relying on its output by a HAVING clause if (count($this->having)) { $records = $this->execute(); return $records->numRecords(); } $clone = clone $this; $clone->limit = null; $clone->orderby = null; // Choose a default column if ($column == null) { if ($this->groupby) { // @todo Test case required here $countQuery = new SQLSelect(); $countQuery->setSelect("count(*)"); $countQuery->setFrom(array('(' . $clone->sql($innerParameters) . ') all_distinct')); $sql = $countQuery->sql($parameters); // $parameters should be empty $result = DB::prepared_query($sql, $innerParameters); return (int) $result->value(); } else { $clone->setSelect(array("count(*)")); } } else { $clone->setSelect(array("count({$column})")); } $clone->setGroupBy(array()); return (int) $clone->execute()->value(); }
public function testParameterisedLeftJoins() { $query = new SQLSelect(); $query->setSelect(array('"SQLSelectTest_DO"."Name"', '"SubSelect"."Count"')); $query->setFrom('"SQLSelectTest_DO"'); $query->addLeftJoin('(SELECT "Title", COUNT(*) AS "Count" FROM "SQLSelectTestBase" GROUP BY "Title" HAVING "Title" NOT LIKE ?)', '"SQLSelectTest_DO"."Name" = "SubSelect"."Title"', 'SubSelect', 20, array('%MyName%')); $query->addWhere(array('"SQLSelectTest_DO"."Date" > ?' => '2012-08-08 12:00')); $this->assertSQLEquals('SELECT "SQLSelectTest_DO"."Name", "SubSelect"."Count" FROM "SQLSelectTest_DO" LEFT JOIN (SELECT "Title", COUNT(*) AS "Count" FROM "SQLSelectTestBase" GROUP BY "Title" HAVING "Title" NOT LIKE ?) AS "SubSelect" ON "SQLSelectTest_DO"."Name" = "SubSelect"."Title" WHERE ("SQLSelectTest_DO"."Date" > ?)', $query->sql($parameters)); $this->assertEquals(array('%MyName%', '2012-08-08 12:00'), $parameters); $query->execute(); }