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https://issues.apache.org/jira/browse/BEAM-4461?focusedWorklogId=160785&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-160785
]
ASF GitHub Bot logged work on BEAM-4461:
----------------------------------------
Author: ASF GitHub Bot
Created on: 30/Oct/18 19:02
Start Date: 30/Oct/18 19:02
Worklog Time Spent: 10m
Work Description: reuvenlax commented on a change in pull request #6883:
[BEAM-4461] Resubmit PR to switch SQL over to schema transfomr
URL: https://github.com/apache/beam/pull/6883#discussion_r229445094
##########
File path:
sdks/java/extensions/sql/src/main/java/org/apache/beam/sdk/extensions/sql/impl/rel/BeamAggregationRel.java
##########
@@ -118,58 +114,51 @@ public RelWriter explainTerms(RelWriter pw) {
@Override
public PTransform<PCollectionList<Row>, PCollection<Row>> buildPTransform() {
- Schema inputSchema = CalciteUtils.toSchema(getInput().getRowType());
Schema outputSchema = CalciteUtils.toSchema(getRowType());
- List<AggregationCombineFnAdapter> aggregationAdapters =
+ List<FieldAggregation> aggregationAdapters =
getNamedAggCalls()
.stream()
- .map(aggCall -> AggregationCombineFnAdapter.of(aggCall,
inputSchema))
+ .map(aggCall -> new FieldAggregation(aggCall.getKey(),
aggCall.getValue()))
.collect(toList());
return new Transform(
- windowFn, windowFieldIndex, inputSchema, getGroupSet(),
aggregationAdapters, outputSchema);
+ windowFn, windowFieldIndex, getGroupSet(), aggregationAdapters,
outputSchema);
+ }
+
+ private static class FieldAggregation implements Serializable {
+ final List<Integer> inputs;
+ final CombineFn combineFn;
+ final Field outputField;
Review comment:
AggregationCombineFnAdapter is simply a factory that returns (possibly
multiple) combiners. This is the only container class.
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Issue Time Tracking
-------------------
Worklog Id: (was: 160785)
Time Spent: 15h 50m (was: 15h 40m)
> Create a library of useful transforms that use schemas
> ------------------------------------------------------
>
> Key: BEAM-4461
> URL: https://issues.apache.org/jira/browse/BEAM-4461
> Project: Beam
> Issue Type: Sub-task
> Components: sdk-java-core
> Reporter: Reuven Lax
> Assignee: Reuven Lax
> Priority: Major
> Time Spent: 15h 50m
> Remaining Estimate: 0h
>
> e.g. JoinBy(fields). Project, Filter, etc.
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