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Posted to github@beam.apache.org by GitBox <gi...@apache.org> on 2022/06/04 15:26:14 UTC

[GitHub] [beam] damccorm opened a new issue, #20085: Grouping By LogicalTypes is not supported

damccorm opened a new issue, #20085:
URL: https://github.com/apache/beam/issues/20085

   Creating a schema from a BQ schema that has either TIME, DATE or DATETIME columns, and grouping by one of these fields throws NullPointerException.
   ```
   
   Pipeline pipeline = Pipeline.create();
   
   Schema beamSchemaWithLogicalTypes =
       BigQueryUtils.fromTableSchema(
   
          new TableSchema()
               .setFields(
                   Arrays.asList(
                   
      new TableFieldSchema().setName("fTime").setType("TIME"),
                       new TableFieldSchema().setName("fDate").setType("DATE"),
   
                      new TableFieldSchema().setName("fDatetime").setType("DATETIME"))));
   
   Row row =
   
      Row.withSchema(beamSchemaWithLogicalTypes)
           .addValues(
               DateTime.parse("2020-02-02"),
   
              DateTime.parse("2020-02-02"),
               DateTime.parse("2020-02-02T00:00:00"))
        
     .build();
   
   PCollection<Row> outputRow =
       pipeline
           .apply(Create.of(row))
           .setRowSchema(beamSchemaWithLogicalTypes)
   
          .apply(
               SqlTransform.query(
                   "SELECT fTime, fDate, fDatetime FROM
   PCOLLECTION GROUP BY fTime, fDate, fDatetime"));
   
   pipeline.run();
   
   ```
   
   
   Imported from Jira [BEAM-9424](https://issues.apache.org/jira/browse/BEAM-9424). Original Jira may contain additional context.
   Reported by: fdiazgon.


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