ResultSet::fetchField() removed argument (BC break)

Author: dg

src/Database/IRowContainer.php

@@ -23,10 +23,9 @@ function fetch(): ?IRow;
 
 	/**
 	 * Fetches single field.
-	 * @param  int|string
 	 * @return mixed
 	 */
-	function fetchField($column = 0);
+	function fetchField();
 
 	/**
 	 * Fetches all rows as associative array.

src/Database/ResultSet.php

@@ -252,6 +252,9 @@ public function fetch(): ?IRow
 	 */
 	public function fetchField($column = 0)
 	{
+		if (func_num_args()) {
+			trigger_error(__METHOD__ . '() argument is deprecated.', E_USER_DEPRECATED);
+		}
 		$row = $this->fetch();
 		return $row ? $row[$column] : null;
 	}

src/Database/Table/Selection.php

@@ -209,8 +209,9 @@ public function fetch(): ?Nette\Database\IRow
 	 * Fetches single field.
 	 * @param  string|null
 	 * @return mixed
+	 * @deprecated
 	 */
-	public function fetchField($column = null)
+	public function fetchField(string $column = null)
 	{
 		if ($column) {
 			$this->select($column);

tests/Database/ResultSet.fetchField().phpt

@@ -18,8 +18,6 @@ test(function () use ($connection) {
 	$res = $connection->query('SELECT name, id FROM author ORDER BY id');
 
 	Assert::same('Jakub Vrana', $res->fetchField());
-	Assert::same(12, $res->fetchField(1));
-	Assert::same('Geek', $res->fetchField('name'));
 });