Add ROW_NUMBER() in Mysql

src/Query/Mysql/RowNumber.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace DoctrineExtensions\Query\Mysql;
+
+use Doctrine\ORM\Query\AST\Functions\FunctionNode;
+use Doctrine\ORM\Query\Parser;
+use Doctrine\ORM\Query\SqlWalker;
+use Doctrine\ORM\Query\TokenType;
+
+class RowNumber extends FunctionNode
+{
+    public function getSql(SqlWalker $sqlWalker): string
+    {
+        return 'ROW_NUMBER()';
+    }
+
+    public function parse(Parser $parser): void
+    {
+        $parser->match(TokenType::T_IDENTIFIER);
+        $parser->match(TokenType::T_OPEN_PARENTHESIS);
+        $parser->match(TokenType::T_CLOSE_PARENTHESIS);
+    }
+}

tests/Query/Mysql/RowNumberTest.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace DoctrineExtensions\Tests\Query\Mysql;
+
+use DoctrineExtensions\Tests\Query\MysqlTestCase;
+
+class RowNumberTest extends MysqlTestCase
+{
+    public function testRowNumber(): void
+    {
+        $this->assertDqlProducesSql(
+            'SELECT ROW_NUMBER() from DoctrineExtensions\Tests\Entities\Blank b',
+            'SELECT ROW_NUMBER() AS sclr_0 FROM Blank b0_'
+        );
+    }
+}