/**
  * 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();
    }