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ASF GitHub Bot commented on DRILL-2385: --------------------------------------- Github user vdiravka commented on a diff in the pull request: https://github.com/apache/drill/pull/501#discussion_r66118486 --- Diff: exec/java-exec/src/main/java/org/apache/drill/exec/resolver/ResolverTypePrecedence.java --- @@ -78,6 +78,9 @@ precedenceMap.put(MinorType.INTERVALYEAR, i+= 2); precedenceMap.put(MinorType.INTERVAL, i+= 2); precedenceMap.put(MinorType.UNION, i += 2); + precedenceMap.put(MinorType.MAP, i += 2); --- End diff -- It seems you meant "than Union". Devs agreed with the place in the end of precedenceMap just before Union Updated. > count on complex objects failed with missing function implementation > -------------------------------------------------------------------- > > Key: DRILL-2385 > URL: https://issues.apache.org/jira/browse/DRILL-2385 > Project: Apache Drill > Issue Type: Bug > Components: Functions - Drill > Affects Versions: 0.8.0 > Reporter: Chun Chang > Assignee: Vitalii Diravka > Priority: Minor > Fix For: 1.7.0 > > > #Wed Mar 04 01:23:42 EST 2015 > git.commit.id.abbrev=71b6bfe > Have a complex type looks like the following: > {code} > 0: jdbc:drill:schema=dfs.drillTestDirComplexJ> select t.sia from > `complex.json` t limit 1; > +------------+ > | sia | > +------------+ > | [1,11,101,1001] | > +------------+ > {code} > A count on the complex type will fail with missing function implementation: > {code} > 0: jdbc:drill:schema=dfs.drillTestDirComplexJ> select t.gbyi, count(t.sia) > countsia from `complex.json` t group by t.gbyi; > Query failed: RemoteRpcException: Failure while running fragment., Schema is > currently null. You must call buildSchema(SelectionVectorMode) before this > container can return a schema. [ 12856530-3133-45be-bdf4-ef8cc784f7b3 on > qa-node119.qa.lab:31010 ] > [ 12856530-3133-45be-bdf4-ef8cc784f7b3 on qa-node119.qa.lab:31010 ] > Error: exception while executing query: Failure while executing query. > (state=,code=0) > {code} > drillbit.log > {code} > 2015-03-04 13:44:51,383 [2b08832b-9247-e90c-785d-751f02fc1548:frag:2:0] ERROR > o.a.drill.exec.ops.FragmentContext - Fragment Context received failure. > org.apache.drill.exec.exception.SchemaChangeException: Failure while > materializing expression. > Error in expression at index 0. Error: Missing function implementation: > [count(BIGINT-REPEATED)]. Full expression: null. > at > org.apache.drill.exec.physical.impl.aggregate.HashAggBatch.createAggregatorInternal(HashAggBatch.java:210) > [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT] > at > org.apache.drill.exec.physical.impl.aggregate.HashAggBatch.createAggregator(HashAggBatch.java:158) > [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT] > at > org.apache.drill.exec.physical.impl.aggregate.HashAggBatch.buildSchema(HashAggBatch.java:101) > [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT] > at > org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:130) > [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT] > at > org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.next(IteratorValidatorBatchIterator.java:118) > [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT] > at > org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:67) > [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT] > at > org.apache.drill.exec.physical.impl.partitionsender.PartitionSenderRootExec.innerNext(PartitionSenderRootExec.java:114) > [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT] > at > org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:57) > [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT] > at > org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:121) > [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT] > at > org.apache.drill.exec.work.WorkManager$RunnableWrapper.run(WorkManager.java:303) > [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT] > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > [na:1.7.0_45] > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > [na:1.7.0_45] > at java.lang.Thread.run(Thread.java:744) [na:1.7.0_45] > 2015-03-04 13:44:51,383 [2b08832b-9247-e90c-785d-751f02fc1548:frag:2:0] WARN > o.a.d.e.w.fragment.FragmentExecutor - Error while initializing or executing > fragment > java.lang.NullPointerException: Schema is currently null. You must call > buildSchema(SelectionVectorMode) before this container can return a schema. > at > com.google.common.base.Preconditions.checkNotNull(Preconditions.java:208) > ~[guava-14.0.1.jar:na] > at > org.apache.drill.exec.record.VectorContainer.getSchema(VectorContainer.java:261) > ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT] > at > org.apache.drill.exec.record.AbstractRecordBatch.getSchema(AbstractRecordBatch.java:155) > ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT] > at > org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.getSchema(IteratorValidatorBatchIterator.java:75) > ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT] > at > org.apache.drill.exec.physical.impl.partitionsender.PartitionSenderRootExec.sendEmptyBatch(PartitionSenderRootExec.java:276) > ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT] > at > org.apache.drill.exec.physical.impl.partitionsender.PartitionSenderRootExec.innerNext(PartitionSenderRootExec.java:131) > ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT] > at > org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:57) > ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT] > at > org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:121) > ~[drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT] > at > org.apache.drill.exec.work.WorkManager$RunnableWrapper.run(WorkManager.java:303) > [drill-java-exec-0.8.0-SNAPSHOT-rebuffed.jar:0.8.0-SNAPSHOT] > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > [na:1.7.0_45] > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > [na:1.7.0_45] > at java.lang.Thread.run(Thread.java:744) [na:1.7.0_45] > {code} > physical plan: > {code} > 0: jdbc:drill:schema=dfs.drillTestDirComplexJ> explain plan for select > t.gbyi, count(t.sia) countsia from `complex.json` t group by t.gbyi; > +------------+------------+ > | text | json | > +------------+------------+ > | 00-00 Screen > 00-01 Project(gbyi=[$0], countsia=[$1]) > 00-02 UnionExchange > 01-01 HashAgg(group=[{0}], countsia=[$SUM0($1)]) > 01-02 HashToRandomExchange(dist0=[[$0]]) > 02-01 HashAgg(group=[{0}], countsia=[COUNT($1)]) > 02-02 Project(gbyi=[$1], sia=[$0]) > 02-03 Scan(groupscan=[EasyGroupScan > [selectionRoot=/drill/testdata/complex_type/json/complex.json, numFiles=1, > columns=[`gbyi`, `sia`], > files=[maprfs:/drill/testdata/complex_type/json/complex.json]]]) > {code} -- This message was sent by Atlassian JIRA (v6.3.4#6332)