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| # 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 Hive dialect support in sqlglot.""" | |
| from superset.sql.parse import SQLScript, Table | |
| def test_hive_sql_parsing() -> None: | |
| """Test that Hive SQL can be parsed without errors.""" | |
| # Simple SELECT statement | |
| sql = "SELECT * FROM my_table" | |
| script = SQLScript(sql, "hive") | |
| assert len(script.statements) == 1 | |
| assert not script.has_mutation() | |
| # JOIN statement (common in Hive) | |
| sql = """ | |
| SELECT t1.col1, t2.col2 | |
| FROM table1 t1 | |
| JOIN table2 t2 ON t1.id = t2.id | |
| WHERE t1.status = 'active' | |
| """ | |
| script = SQLScript(sql, "hive") | |
| assert len(script.statements) == 1 | |
| assert not script.has_mutation() | |
| # Test table extraction | |
| tables = script.statements[0].tables | |
| assert Table("table1") in tables | |
| assert Table("table2") in tables | |
| def test_hive_insert_statement() -> None: | |
| """Test that Hive INSERT statements are detected as mutations.""" | |
| sql = "INSERT INTO my_table VALUES (1, 'test')" | |
| script = SQLScript(sql, "hive") | |
| assert script.has_mutation() | |
| def test_hive_create_table() -> None: | |
| """Test that Hive CREATE TABLE statements work.""" | |
| sql = """ | |
| CREATE TABLE IF NOT EXISTS my_table ( | |
| id INT, | |
| name STRING | |
| ) STORED AS PARQUET | |
| """ | |
| script = SQLScript(sql, "hive") | |
| assert len(script.statements) == 1 | |
| assert script.has_mutation() | |