/** * Return the query columns being provided * * Initializes $this->caseInsensitiveColumns in case of a PostgreSQL connection. * * @return array */ public function getQueryColumns() { if ($this->queryColumns === null) { $this->queryColumns = parent::getQueryColumns(); if ($this->ds->getDbType() === 'pgsql') { $this->queryColumns = $this->removeCollateInstruction($this->queryColumns); } } return $this->queryColumns; }