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63 lines
1.9 KiB
Python
Executable File
63 lines
1.9 KiB
Python
Executable File
#!/usr/bin/env -S python3 -u
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import json
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import limbo
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from antithesis.random import get_random
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from utils import generate_random_value
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# Get initial state
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try:
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con_init = limbo.connect("init_state.db")
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except Exception as e:
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print(f"Error connecting to database: {e}")
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exit(0)
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cur_init = con_init.cursor()
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tbl_len = cur_init.execute("SELECT count FROM tables").fetchone()[0]
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selected_tbl = get_random() % tbl_len
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tbl_schema = json.loads(cur_init.execute(f"SELECT schema FROM schemas WHERE tbl = {selected_tbl}").fetchone()[0])
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# get primary key column
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pk = tbl_schema["pk"]
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# get non-pk columns
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cols = [f"col_{col}" for col in range(tbl_schema["colCount"]) if col != pk]
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# print(cols)
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try:
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con = limbo.connect("stress_composer.db")
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except limbo.OperationalError as e:
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print(f"Failed to open stress_composer.db. Exiting... {e}")
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exit(0)
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cur = con.cursor()
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# insert up to 100 rows in the selected table
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updates = get_random() % 100
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print(f"Attempt to update {updates} rows in tbl_{selected_tbl}...")
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for i in range(updates):
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set_clause = ""
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if tbl_schema["colCount"] == 1:
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set_clause = f"col_{pk} = {generate_random_value(tbl_schema[f'col_{pk}']['data_type'])}"
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else:
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values = []
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for col in cols:
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# print(col)
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values.append(f"{col} = {generate_random_value(tbl_schema[col]['data_type'])}")
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set_clause = ", ".join(values)
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where_clause = f"col_{pk} = {generate_random_value(tbl_schema[f'col_{pk}']['data_type'])}"
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# print(where_clause)
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try:
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cur.execute(f"""
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UPDATE tbl_{selected_tbl} SET {set_clause} WHERE {where_clause}
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""")
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except limbo.OperationalError as e:
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if "UNIQUE constraint failed" in str(e):
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# Ignore UNIQUE constraint violations
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pass
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else:
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# Re-raise other operational errors
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raise
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