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https://issues.apache.org/jira/browse/BEAM-9992?focusedWorklogId=456301&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-456301
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ASF GitHub Bot logged work on BEAM-9992:
----------------------------------------
Author: ASF GitHub Bot
Created on: 08/Jul/20 19:20
Start Date: 08/Jul/20 19:20
Worklog Time Spent: 10m
Work Description: amaliujia commented on pull request #11967:
URL: https://github.com/apache/beam/pull/11967#issuecomment-655707048
@darshanj
I believe your implementation will break this query (at least from ZetaSQL
dialect path)
```
SELECT DISTINCT val.BYTES
from (select b"1" BYTES union all
select cast(NULL as bytes) union all
select b"-1" union all
select b"1" union all
select cast(NULL as bytes)) val
```
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Issue Time Tracking
-------------------
Worklog Id: (was: 456301)
Time Spent: 2.5h (was: 2h 20m)
> Migrate BeamSQL's SET operators to Sets transforms
> --------------------------------------------------
>
> Key: BEAM-9992
> URL: https://issues.apache.org/jira/browse/BEAM-9992
> Project: Beam
> Issue Type: New Feature
> Components: dsl-sql, dsl-sql-zetasql
> Reporter: Darshan Jani
> Priority: P2
> Time Spent: 2.5h
> Remaining Estimate: 0h
>
> As par of [BEAM-9946|https://issues.apache.org/jira/browse/BEAM-9946] we have
> new Sets transforms for intersect,union and except.
> This jira is to use them to remove existing Set operators in BeamSQL code.
> Tasks:
> # Remove:
> [BeamSetOperatorRelBase.java|https://github.com/apache/beam/blob/master/sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/rel/BeamSetOperatorRelBase.java]
> # use SetFns transforms from
> ##
> [BeamIntersectRel.java|https://github.com/apache/beam/blob/master/sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/rel/BeamIntersectRel.java]
> ##
> [BeamMinusRel.java|https://github.com/apache/beam/blob/master/sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/rel/BeamMinusRel.java]
> ##
> [BeamMinusRel.java|https://github.com/apache/beam/blob/master/sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/rel/BeamMinusRel.java]
> ##
> [BeamUnionRel.java|https://github.com/apache/beam/blob/master/sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/rel/BeamUnionRel.java]
> #
> Remove:[BeamSetOperatorsTransforms.java|https://github.com/apache/beam/blob/master/sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/transform/BeamSetOperatorsTransforms.java]
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