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Posted to issues@beam.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2021/02/17 01:21:00 UTC
[jira] [Work logged] (BEAM-11389) Implement the LOGICAL_AND
function for Beam SQL ZetaSQL dialect, as CombineFn.
[ https://issues.apache.org/jira/browse/BEAM-11389?focusedWorklogId=553302&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-553302 ]
ASF GitHub Bot logged work on BEAM-11389:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 17/Feb/21 01:20
Start Date: 17/Feb/21 01:20
Worklog Time Spent: 10m
Work Description: robinyqiu commented on a change in pull request #13817:
URL: https://github.com/apache/beam/pull/13817#discussion_r577258736
##########
File path: sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/transform/BeamBuiltinAggregations.java
##########
@@ -453,4 +462,57 @@ public Long extractOutput(Accum accum) {
return accum.bitAnd;
}
}
+
+ public static class LogicalAnd extends CombineFn<Boolean, LogicalAnd.Accum, Boolean> {
+ static class Accum {
+ // Initially, input is empty
+ boolean isEmpty = true;
+ // true if any null value is seen in the input, null values are to be ignored
+ boolean isNull = false;
+ // logical_and operation result
+ boolean logicalAnd = Boolean.parseBoolean(null);
+ }
+
+ @Override
+ public Accum createAccumulator() {
+ return new Accum();
+ }
+
+ @Override
+ public Accum addInput(Accum accum, Boolean input) {
+ if (input == null) {
+ accum.isNull = true;
+ accum.isEmpty = false;
+ return accum;
+ }
+ accum.isEmpty = false;
+ accum.logicalAnd = accum.logicalAnd && input;
+ return accum;
+ }
+
+ @Override
+ public Accum mergeAccumulators(Iterable<Accum> accums) {
+ LogicalAnd.Accum merged = createAccumulator();
+ for (LogicalAnd.Accum accum : accums) {
+ if (accum.isNull) {
+ // ignore null case
+ continue;
Review comment:
Hi @sonam-vend, please see the comment above to fix the problem.
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Issue Time Tracking
-------------------
Worklog Id: (was: 553302)
Time Spent: 2.5h (was: 2h 20m)
> Implement the LOGICAL_AND function for Beam SQL ZetaSQL dialect, as CombineFn.
> ------------------------------------------------------------------------------
>
> Key: BEAM-11389
> URL: https://issues.apache.org/jira/browse/BEAM-11389
> Project: Beam
> Issue Type: Sub-task
> Components: dsl-sql-zetasql
> Reporter: Sonam Ramchand
> Priority: P2
> Time Spent: 2.5h
> Remaining Estimate: 0h
>
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