removed unnecessary casts

Author: foxycode

src/Database/ResultSet.php

@@ -129,7 +129,7 @@ public function getTime(): float
 	public function normalizeRow(array $row): array
 	{
 		if ($this->types === null) {
-			$this->types = (array) $this->connection->getSupplementalDriver()->getColumnTypes($this->pdoStatement);
+			$this->types = $this->connection->getSupplementalDriver()->getColumnTypes($this->pdoStatement);
 		}
 
 		foreach ($this->types as $key => $type) {

src/Database/Table/Selection.php

@@ -552,7 +552,7 @@ protected function execute(): void
 		foreach ($result->getPdoStatement() as $key => $row) {
 			$row = $this->createRow($result->normalizeRow($row));
 			$primary = $row->getSignature(false);
-			$usedPrimary = $usedPrimary && (string) $primary !== '';
+			$usedPrimary = $usedPrimary && $primary !== '';
 			$this->rows[$usedPrimary ? $primary : $key] = $row;
 		}
 		$this->data = $this->rows;