fix(firebolt): Firebolt SQL entered with EXCLUDE is rewritten to EXCEPT (#38742)

tests/unit_tests/sql/test_firebolt_dialect.py

@@ -0,0 +1,62 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+"""Tests for Firebolt dialect support in sqlglot."""
+
+from superset.sql.parse import SQLScript
+
+
+def test_firebolt_exclude_syntax() -> None:
+    """Test that Firebolt EXCLUDE syntax is preserved (not transformed to EXCEPT)."""
+    sql = "SELECT g.* EXCLUDE (source_file_timestamp) FROM public.games g"
+    script = SQLScript(sql, "firebolt")
+
+    generated = script.format()
+    assert "EXCLUDE" in generated
+    assert "EXCEPT" not in generated
+    assert "source_file_timestamp" in generated
+
+
+def test_firebolt_exclude_multiple_columns() -> None:
+    """Test EXCLUDE with multiple columns."""
+    sql = "SELECT * EXCLUDE (col1, col2, col3) FROM my_table"
+    script = SQLScript(sql, "firebolt")
+
+    generated = script.format()
+    assert "EXCLUDE" in generated
+    assert "EXCEPT" not in generated
+    assert "col1" in generated
+    assert "col2" in generated
+    assert "col3" in generated
+
+
+def test_firebolt_sql_parsing() -> None:
+    """Test that Firebolt SQL can be parsed without errors."""
+    sql = "SELECT * FROM my_table LIMIT 10"
+    script = SQLScript(sql, "firebolt")
+    assert len(script.statements) == 1
+    assert not script.has_mutation()
+
+
+def test_firebolt_not_in_parenthesized() -> None:
+    """Test that NOT IN is properly parenthesized in Firebolt."""
+    sql = "SELECT * FROM my_table WHERE id NOT IN (1, 2, 3)"
+    script = SQLScript(sql, "firebolt")
+
+    generated = script.format()
+    assert "NOT" in generated
+    assert "IN" in generated