test: update tests of alter statemnts

test/parser/flinksql/syntax/fixtures/alterDatabase.sql

@@ -0,0 +1 @@
+ALTER DATABASE tempDB SET ("key1"="value1");

test/parser/flinksql/syntax/fixtures/alterFunction.sql

@@ -0,0 +1,7 @@
+ALTER FUNCTION tempFunction AS 'SimpleUdf';
+
+ALTER TEMPORARY FUNCTION IF EXISTS tempFunction AS 'SimpleUdf';
+
+ALTER TEMPORARY SYSTEM FUNCTION IF EXISTS tempFunction AS 'SimpleUdf';
+
+ALTER FUNCTION myudf AS 'com.example.MyUdf' LANGUAGE PYTHON;

test/parser/flinksql/syntax/fixtures/alterTable.sql

@@ -0,0 +1,7 @@
+ALTER TABLE
+    Orders RENAME TO NewOrders;
+
+ALTER TABLE
+    sample_table
+SET
+    ('key1' = 'value2');

test/parser/flinksql/syntax/fixtures/alterView.sql

@@ -0,0 +1,8 @@
+ALTER VIEW v1 RENAME TO v2;
+
+ALTER VIEW v1 AS
+SELECT
+    c1,
+    c2
+FROM
+    tbl;