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https://issues.apache.org/jira/browse/BEAM-6772?focusedWorklogId=220148&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-220148
]
ASF GitHub Bot logged work on BEAM-6772:
----------------------------------------
Author: ASF GitHub Bot
Created on: 28/Mar/19 16:56
Start Date: 28/Mar/19 16:56
Worklog Time Spent: 10m
Work Description: reuvenlax commented on pull request #8006: [BEAM-6772]
Change Select semantics to match what a user expects
URL: https://github.com/apache/beam/pull/8006#discussion_r270102695
##########
File path:
sdks/java/core/src/main/java/org/apache/beam/sdk/schemas/utils/SelectHelpers.java
##########
@@ -106,47 +164,89 @@ public static Row selectRow(
}
Row.Builder output = Row.withSchema(outputSchema);
+ selectIntoRow(input, output, fieldAccessDescriptor, inputSchema);
+ return output.build();
+ }
+
+ /** Select out of a given {@link Row} object. */
+ public static void selectIntoRow(
+ Row input,
+ Row.Builder output,
+ FieldAccessDescriptor fieldAccessDescriptor,
+ Schema inputSchema) {
Review comment:
Yes. removed
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Issue Time Tracking
-------------------
Worklog Id: (was: 220148)
Time Spent: 9.5h (was: 9h 20m)
> Select transform has non-intuitive semantics
> --------------------------------------------
>
> Key: BEAM-6772
> URL: https://issues.apache.org/jira/browse/BEAM-6772
> Project: Beam
> Issue Type: Sub-task
> Components: sdk-java-core
> Reporter: Reuven Lax
> Assignee: Reuven Lax
> Priority: Major
> Time Spent: 9.5h
> Remaining Estimate: 0h
>
> Consider the following schema:
> User:
> name: STRING
> location: Location
>
> Location:
> latitude: DOUBLE
> longitude: DOUBLE
>
> If you apply Select.fieldNames("location"), most users expect to get back a
> row matching the Location schema. Instead you get back an outer schema with a
> single location field in it. Select should instead unnest the output up to
> the point where multiple fields are selected.
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