#592 link test files and add asc-desc index tests

Author: predictor2718

tests/Parser/AlterStatementTest.php

@@ -51,7 +51,13 @@ public static function alterProvider(): array
             ['parser/parseAlterTableAddSpatialIndex1'],
             ['parser/parseAlterTableAddUniqueKey1'],
             ['parser/parseAlterTableAddUniqueKey2'],
+            ['parser/parseAlterTableAddUniqueKeyAsc'],
+            ['parser/parseAlterTableAddUniqueKeyAscDesc'],
+            ['parser/parseAlterTableAddUniqueKeyAscLower'],
             ['parser/parseAlterTableAddUniqueKeyDesc'],
+            ['parser/parseAlterTableAddUniqueKeyDescAsc'],
+            ['parser/parseAlterTableAddUniqueKeyDescLower'],
+            ['parser/parseAlterTableAddUniqueKeyTwoDesc'],
             ['parser/parseAlterTableDropAddIndex1'],
             ['parser/parseAlterTableDropColumn1'],
             ['parser/parseAlterTableModifyColumn'],

tests/data/parser/parseAlterTableAddUniqueKeyAscDesc.in

@@ -0,0 +1 @@
+ALTER TABLE `bad_table_is_bad` ADD UNIQUE KEY `asc_desc_key` (`column1` ASC, `column2` DESC);