[GitHub] [airflow] vchiapaikeo commented on pull request #28564: GCSToBigQueryOperator allows autodetect None and infers schema

Fri, 06 Jan 2023 16:18:45 -0800 


vchiapaikeo commented on PR #28564:
URL: https://github.com/apache/airflow/pull/28564#issuecomment-1374297893

   Hmm I cannot repro. Can you provide a working repro of the bug?
   
   Here is my test on newline delimited json:
   
   file.json
   ```
   {"col1": 2, "col2": "a"}
   {"col1": 3, "col2": "b"}
   {"col1": 5, "col2": "c"}
   {"col1": 10, "col2": "d"}
   ```
   
   gsutil cp file.json gs://my-bucket/vchiapaikeo/file.json
   
   DAG:
   
   ```py
   from airflow import DAG
   
   from airflow.providers.google.cloud.transfers.gcs_to_bigquery import 
GCSToBigQueryOperator
   
   DEFAULT_TASK_ARGS = {
       "owner": "gcp-data-platform",
       "retries": 1,
       "retry_delay": 10,
       "start_date": "2022-08-01",
   }
   
   with DAG(
       max_active_runs=1,
       concurrency=2,
       catchup=False,
       schedule_interval="@daily",
       dag_id="test_os_patch_gcs_to_bigquery",
       default_args=DEFAULT_TASK_ARGS,
   ) as dag:
   
       test_gcs_to_bigquery_allows_autodetect_none_and_infers_schema = 
GCSToBigQueryOperator(
           
task_id="test_gcs_to_bigquery_allows_autodetect_none_and_infers_schema",
           create_disposition="CREATE_IF_NEEDED",
           # Need to explicitly set autodetect to None
           autodetect=None,
           write_disposition="WRITE_TRUNCATE",
           destination_project_dataset_table="my-project.vchiapaikeo.test1",
           bucket="my-bucket",
           source_format="NEWLINE_DELIMITED_JSON",
           source_objects=["vchiapaikeo/file.json"],
       )
   ```
   
   Success:
   
   <img width="1069" alt="image" 
src="https://user-images.githubusercontent.com/9200263/211121042-c7359c4d-9af3-4902-9cf7-e20a5f3de44a.png";>
   
   BQ Results:
   
   <img width="466" alt="image" 
src="https://user-images.githubusercontent.com/9200263/211121079-ae52ae63-2877-4f09-aa56-52fc1904d7bf.png";>
   


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