[
https://issues.apache.org/jira/browse/BEAM-9424?focusedWorklogId=396780&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-396780
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ASF GitHub Bot logged work on BEAM-9424:
----------------------------------------
Author: ASF GitHub Bot
Created on: 03/Mar/20 14:30
Start Date: 03/Mar/20 14:30
Worklog Time Spent: 10m
Work Description: fediazgon commented on pull request #11015: [BEAM-9424]
Allow grouping by LogicalType
URL: https://github.com/apache/beam/pull/11015
`GROUP BY` statement fails if field is `LogicalType`. E.g., when converting
a BQ schema with either `TIME`, `DATE` or `DATETIME` to a Beam schema and
grouping by one or more of these fields.
This PR add supports for grouping by LogicalType.
This fixes https://issues.apache.org/jira/browse/BEAM-9424.
**Please** add a meaningful description for your change here
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Issue Time Tracking
-------------------
Worklog Id: (was: 396780)
Time Spent: 1h 10m (was: 1h)
> Grouping By LogicalTypes is not supported
> -----------------------------------------
>
> Key: BEAM-9424
> URL: https://issues.apache.org/jira/browse/BEAM-9424
> Project: Beam
> Issue Type: Bug
> Components: sdk-java-core
> Affects Versions: 2.19.0
> Reporter: fdiazgon
> Assignee: fdiazgon
> Priority: Minor
> Labels: sql
> Time Spent: 1h 10m
> Remaining Estimate: 0h
>
> Creating a schema from a BQ schema that has either TIME, DATE or DATETIME
> columns, and grouping by one of these fields throws NullPointerException.
> {code:java}
> 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();
> {code}
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