postgresql delete alias fix

application/Espo/ORM/QueryComposer/PostgresqlQueryComposer.php

@@ -617,4 +617,40 @@ class PostgresqlQueryComposer extends BaseQueryComposer
 
         return null;
     }
+
+    protected function composeDeleteQuery(
+        string $table,
+        ?string $alias,
+        string $where,
+        ?string $joins,
+        ?string $order,
+        ?int $limit
+    ): string {
+
+        $sql = "DELETE ";
+
+        $sql .= "FROM " . $this->quoteIdentifier($table);
+
+        if ($alias) {
+            $sql .= " AS " . $this->quoteIdentifier($alias);
+        }
+
+        if ($joins) {
+            $sql .= " $joins";
+        }
+
+        if ($where) {
+            $sql .= " WHERE $where";
+        }
+
+        if ($order) {
+            $sql .= " ORDER BY $order";
+        }
+
+        if ($limit !== null) {
+            $sql = $this->limit($sql, null, $limit);
+        }
+
+        return $sql;
+    }
 }

tests/unit/Espo/ORM/PostgresqlQueryComposerTest.php

@@ -347,4 +347,23 @@ class PostgresqlQueryComposerTest extends \PHPUnit\Framework\TestCase
 
         $this->assertEquals($expectedSql, $sql);
     }
+
+    public function testDeleteWithAlias()
+    {
+        $query = $this->queryBuilder
+            ->delete()
+            ->from('Account', 'a')
+            ->where([
+                'a.name' => 'test',
+            ])
+            ->build();
+
+        $sql = $this->queryComposer->compose($query);
+
+        $expectedSql =
+            "DELETE FROM \"account\" AS \"a\" " .
+            "WHERE \"a\".\"name\" = 'test'";
+
+        $this->assertEquals($expectedSql, $sql);
+    }
 }