How to check Athena query ran successfully in Python?
Solution 1:
I implemented a generic function that executes a particular query and also ensures it runs successfully by polling the query ID in intervals:
def run_query(query: str, s3_output: str) -> None:
"""Generic function to run athena query and ensures it is successfully completed
Parameters
----------
query : str
formatted string containing athena sql query
s3_output : str
query output path
"""
athena_client = boto3.client("athena")
start_response = athena_client.start_query_execution(
QueryString=query,
QueryExecutionContext={"Database": ATHENA.database_name},
ResultConfiguration={
"OutputLocation": s3_output,
},
)
query_id = start_response["QueryExecutionId"]
while True:
finish_state = athena_client.get_query_execution(QueryExecutionId=query_id)[
"QueryExecution"
]["Status"]["State"]
if finish_state == "RUNNING" or finish_state == "QUEUED":
time.sleep(10)
else:
break
assert finish_state == "SUCCEEDED", f"query state is {finish_state}"
logging.info(f"Query {query_id} complete")