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August 23, 2024 11:13
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sqlmesh-repro-duckdb-normalization
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| import os | |
| import duckdb | |
| from sqlmesh.core.config import ( | |
| Config, | |
| GatewayConfig, | |
| ModelDefaultsConfig, | |
| DuckDBConnectionConfig, | |
| ) | |
| from sqlmesh.core.context import Context | |
| from sqlmesh.core.config.format import FormatConfig | |
| from sqlmesh import configure_logging | |
| configure_logging(force_debug=True) | |
| tmp_path = "/tmp/repro-sqlmesh" | |
| os.makedirs(tmp_path, exist_ok=True) | |
| db_path = f"{tmp_path}/repro_db.db" | |
| if os.path.exists(db_path): | |
| os.remove(db_path) | |
| # create some sample data | |
| conn = duckdb.connect(database=db_path) | |
| conn.execute( | |
| "CREATE OR REPLACE TABLE CUSTOMERS (ID INTEGER, NAME TEXT, ADDRESSES JSON)" | |
| ) | |
| insert_query = """ | |
| INSERT INTO CUSTOMERS (ID, NAME, ADDRESSES) | |
| VALUES | |
| (1, 'Alice', '[ | |
| {"STREET": "123 Main St", "CITY": "New York", "ZIP": "10001", "DEFAULT": true}, | |
| {"STREET": "456 Elm St", "CITY": "Boston", "ZIP": "02101", "DEFAULT": false} | |
| ]'), | |
| (2, 'Bob', '[ | |
| {"STREET": "789 Oak Ave", "CITY": "Chicago", "ZIP": "60601", "DEFAULT": false}, | |
| {"STREET": "321 Pine Rd", "CITY": "San Francisco", "ZIP": "94102", "DEFAULT": true} | |
| ]'), | |
| (3, 'Charlie', '[ | |
| {"STREET": "159 Maple Ln", "CITY": "Seattle", "ZIP": "98101", "DEFAULT": true} | |
| ]'); | |
| """ | |
| conn.sql(insert_query) | |
| conn.commit() | |
| conn.close() | |
| test_query = """ | |
| SELECT | |
| c.ID AS ID, | |
| c.NAME AS NAME, | |
| MAX(CASE WHEN JSON_EXTRACT(a.VALUE, 'DEFAULT') = true THEN a.VALUE.ZIP ELSE NULL END) OVER (PARTITION BY c.ID) AS DEFAULT_ZIP_CODE | |
| FROM | |
| CUSTOMERS c, | |
| UNNEST(FROM_JSON(c.ADDRESSES, '["JSON"]')) AS a(VALUE); | |
| """ | |
| model_definition = f""" | |
| MODEL ( | |
| name FEATURES.FIRST, | |
| kind FULL, | |
| grain ID, | |
| ); | |
| {test_query} | |
| """ | |
| os.makedirs(f"{tmp_path}/models", exist_ok=True) | |
| model_path = f"{tmp_path}/models/first.sql" | |
| with open(model_path, "w") as f: | |
| f.write(model_definition) | |
| config = Config( | |
| gateways={ | |
| "main": GatewayConfig(connection=DuckDBConnectionConfig(database=db_path)) | |
| }, | |
| model_defaults=ModelDefaultsConfig(dialect="duckdb"), | |
| format=FormatConfig(normalize=False), | |
| ) | |
| context = Context(paths=tmp_path, config=config) | |
| context.plan(auto_apply=True, no_prompts=True) | |
| conn = duckdb.connect(database=db_path) | |
| print(conn.sql("SELECT * FROM FEATURES.FIRST")) | |
| print(conn.sql(test_query)) |
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