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https://issues.apache.org/jira/browse/BEAM-13487?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17502446#comment-17502446
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Augusto commented on BEAM-13487:
--------------------------------
There are 6 possible tables that I want to write to. So I have five other "if"
statements to check in which table the element should be written to. If there
was only one table I would have just passed a string to
WriteToBigQuery("project_id:dataset_id.table_id") and that actually works! The
problem is when I try to resolve this with a callable.
> WriteToBigQuery Dynamic table destinations returns wrong tableId
> ----------------------------------------------------------------
>
> Key: BEAM-13487
> URL: https://issues.apache.org/jira/browse/BEAM-13487
> Project: Beam
> Issue Type: Bug
> Components: io-py-gcp
> Affects Versions: 2.34.0
> Reporter: Augusto
> Priority: P1
>
> I am trying to write to bigquery to different table destinations and I would
> like to create the tables dynamically if they don't exist already.
> {code:java}
> bigquery_rows | "Writing to Bigquery" >> WriteToBigQuery(lambda e:
> compute_table_name(e),
> schema=compute_table_schema,
> additional_bq_parameters=additional_bq_parameters,
>
> write_disposition=BigQueryDisposition.WRITE_APPEND,
> create_disposition=BigQueryDisposition.CREATE_IF_NEEDED,
> ){code}
> The function compute_table_name is quite simple actually, I am just trying to
> get it to work.
> {code:java}
> def compute_table_name(element):
> if element['table'] == 'table_id':
> del element['table']
> return "project_id:dataset.table_id" {code}
> The schema is detected correctly and the table IS created and populated with
> records. The problem is, the table ID I get is something along the lines of:
> {code:java}
> datasetId: 'dataset'
> projectId: 'project_id'
> tableId: 'beam_bq_job_LOAD_AUTOMATIC_JOB_NAME_LOAD_STEP... {code}
> I have also tried returning a bigquery.TableReference object in my
> compute_table_name function to no avail.
> {code:java}
> def compute_table_name(element):
> if element['table'] == 'Radio':
> del element['table']
> return TableReference(
> datasetId = "dataset_id",
> projectId = "project_id",
> tableId = "table_id"
> ) {code}
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