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Posted to commits@beam.apache.org by "Anton Kedin (JIRA)" <ji...@apache.org> on 2018/04/13 16:35:00 UTC
[jira] [Closed] (BEAM-3547) [SQL] Nested Query Generates
Incompatible Trigger
[ https://issues.apache.org/jira/browse/BEAM-3547?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Anton Kedin closed BEAM-3547.
-----------------------------
Resolution: Fixed
Fix Version/s: Not applicable
> [SQL] Nested Query Generates Incompatible Trigger
> -------------------------------------------------
>
> Key: BEAM-3547
> URL: https://issues.apache.org/jira/browse/BEAM-3547
> Project: Beam
> Issue Type: Bug
> Components: dsl-sql
> Reporter: Anton Kedin
> Assignee: Anton Kedin
> Priority: Major
> Fix For: Not applicable
>
>
> From [https://stackoverflow.com/questions/48335383/nested-queries-in-beam-sql] :
>
> SQL:
> {code:java}
> PCollection<BeamRecord> Query_Output = Query.apply(
> BeamSql.queryMulti("Select Orders.OrderID From Orders Where Orders.CustomerID IN (Select Customers.CustomerID From Customers WHERE Customers.CustomerID = 2)"));{code}
>
> Error:
> {code:java}
> org.apache.beam.sdk.extensions.sql.impl.planner.BeamQueryPlanner validateAndConvert
> INFO: SQL:
> SELECT `Orders`.`OrderID`
> FROM `Orders` AS `Orders`
> WHERE `Orders`.`CustomerID` IN (SELECT `Customers`.`CustomerID`
> FROM `Customers` AS `Customers`
> WHERE `Customers`.`CustomerID` = 2)
> Jan 19, 2018 11:56:36 AM org.apache.beam.sdk.extensions.sql.impl.planner.BeamQueryPlanner convertToBeamRel
> INFO: SQLPlan>
> LogicalProject(OrderID=[$0])
> LogicalJoin(condition=[=($1, $3)], joinType=[inner])
> LogicalTableScan(table=[[Orders]])
> LogicalAggregate(group=[{0}])
> LogicalProject(CustomerID=[$0])
> LogicalFilter(condition=[=($0, 2)])
> LogicalTableScan(table=[[Customers]])
> Exception in thread "main" java.lang.IllegalStateException: java.lang.IllegalStateException: Inputs to Flatten had incompatible triggers: DefaultTrigger, Repeatedly.forever(AfterWatermark.pastEndOfWindow())
> at org.apache.beam.sdk.extensions.sql.BeamSql$QueryTransform.expand(BeamSql.java:165)
> at org.apache.beam.sdk.extensions.sql.BeamSql$QueryTransform.expand(BeamSql.java:116)
> at org.apache.beam.sdk.Pipeline.applyInternal(Pipeline.java:533)
> at org.apache.beam.sdk.Pipeline.applyTransform(Pipeline.java:465)
> at org.apache.beam.sdk.values.PCollectionTuple.apply(PCollectionTuple.java:160)
> at com.bitwise.cloud.ExampleOfJoins.main(ExampleOfJoins.java:91)
> Caused by: java.lang.IllegalStateException: Inputs to Flatten had incompatible triggers: DefaultTrigger, Repeatedly.forever(AfterWatermark.pastEndOfWindow())
> at org.apache.beam.sdk.transforms.Flatten$PCollections.expand(Flatten.java:123)
> at org.apache.beam.sdk.transforms.Flatten$PCollections.expand(Flatten.java:101)
> at org.apache.beam.sdk.Pipeline.applyInternal(Pipeline.java:533)
> at org.apache.beam.sdk.Pipeline.applyTransform(Pipeline.java:465)
> at org.apache.beam.sdk.values.PCollectionList.apply(PCollectionList.java:182)
> at org.apache.beam.sdk.transforms.join.CoGroupByKey.expand(CoGroupByKey.java:124)
> at org.apache.beam.sdk.transforms.join.CoGroupByKey.expand(CoGroupByKey.java:74)
> at org.apache.beam.sdk.Pipeline.applyInternal(Pipeline.java:533)
> at org.apache.beam.sdk.Pipeline.applyTransform(Pipeline.java:465)
> at org.apache.beam.sdk.transforms.join.KeyedPCollectionTuple.apply(KeyedPCollectionTuple.java:107)
> at org.apache.beam.sdk.extensions.joinlibrary.Join.innerJoin(Join.java:59)
> at org.apache.beam.sdk.extensions.sql.impl.rel.BeamJoinRel.standardJoin(BeamJoinRel.java:217)
> at org.apache.beam.sdk.extensions.sql.impl.rel.BeamJoinRel.buildBeamPipeline(BeamJoinRel.java:161)
> at org.apache.beam.sdk.extensions.sql.impl.rel.BeamProjectRel.buildBeamPipeline(BeamProjectRel.java:68)
> at org.apache.beam.sdk.extensions.sql.BeamSql$QueryTransform.expand(BeamSql.java:163)
> ... 5 more{code}
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