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https://issues.apache.org/jira/browse/BEAM-13796?focusedWorklogId=722421&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-722421
]
ASF GitHub Bot logged work on BEAM-13796:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 07/Feb/22 23:19
Start Date: 07/Feb/22 23:19
Worklog Time Spent: 10m
Work Description: TheNeuralBit commented on a change in pull request
#16720:
URL: https://github.com/apache/beam/pull/16720#discussion_r801140587
##########
File path:
sdks/java/io/google-cloud-platform/src/test/java/org/apache/beam/sdk/io/gcp/bigquery/BigQueryIOStorageQueryTest.java
##########
@@ -753,6 +762,31 @@ public void testQuerySourceCreateReader() throws Exception
{
querySource.createReader(options);
}
+ @Test
+ public void testActuateProjectionPushdown() {
+ org.apache.beam.sdk.schemas.Schema schema =
+ org.apache.beam.sdk.schemas.Schema.builder()
+ .addStringField("foo")
+ .addStringField("bar")
+ .build();
+ TypedRead<Row> read =
+ BigQueryIO.read(
+ record ->
+ BigQueryUtils.toBeamRow(
+ record.getRecord(), schema,
ConversionOptions.builder().build()))
+ .withMethod(Method.DIRECT_READ)
+ .withCoder(SchemaCoder.of(schema));
Review comment:
I'm not totally clear on the difference between
`BigQueryIOStorageQueryTest` and `BigQueryIOStorageReadTest`. It looks like it
might be that the former (this file) is for tests that set `fromQuery`, with or
without method `DIRECT_READ`. While the latter is for purely `DIRECT_READ`
tests. Maybe this belongs in the latter?
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Issue Time Tracking
-------------------
Worklog Id: (was: 722421)
Time Spent: 50m (was: 40m)
> Projection pushdown in BigQuery IO
> ----------------------------------
>
> Key: BEAM-13796
> URL: https://issues.apache.org/jira/browse/BEAM-13796
> Project: Beam
> Issue Type: New Feature
> Components: io-java-gcp
> Reporter: Kyle Weaver
> Assignee: Kyle Weaver
> Priority: P2
> Time Spent: 50m
> Remaining Estimate: 0h
>
> BigQuery IO (read API only) already supports pushdown within Beam SQL
> queries, but we want to support pushdown outside of just SQL.
> To do this, BigQuery Read needs to implement ProjectionProducer.
> https://github.com/apache/beam/blob/master/sdks/java/core/src/main/java/org/apache/beam/sdk/schemas/ProjectionProducer.java
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