[DRILL-1766] kvgen+flatten fails "Unable to find holder type for minorType: LATE"

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.6.0, 0.7.0
• Fix Version/s: 0.7.0
• Component/s: Functions - Drill

Environment

Tested on 0.6 r3

• Assignee: Jason Altekruse
• Reporter: Hao Zhu
• Created: 21/Nov/14 01:48
• Updated: 29/Apr/15 15:11
• Resolved: 02/Dec/14 22:52

Description

Minimim reproduce:

test3.json

{"data": [{"id":"1","name":{"orange":0}}, {"id":"2","name":{"apple":0}} ]}

> with tmp as
. . . . . . . . . . . . . . . . . . . . . .> ( select flatten(data) as newdata from dfs.tmp.`test3.json`)
. . . . . . . . . . . . . . . . . . . . . .> select tmp.newdata.name from tmp;
+------------+
|   EXPR$0   |
+------------+
| {"orange":0} |
| {"apple":0} |
+------------+
2 rows selected (0.144 seconds)
0: jdbc:drill:zk=n1a:5181,n2a:5181,n3a:5181> with tmp as
. . . . . . . . . . . . . . . . . . . . . .> ( select flatten(data) as newdata from dfs.tmp.`test3.json`)
. . . . . . . . . . . . . . . . . . . . . .> select kvgen(tmp.newdata.name) from tmp;
Query failed: Failure while running fragment., Unable to find holder type for minorType: LATE [ 7c9ab412-aa83-47a2-bf7e-e91abdd1431f on n4a:31010 ]
  (java.lang.UnsupportedOperationException) Unable to find holder type for minorType: LATE
    org.apache.drill.exec.expr.TypeHelper.getHolderType():1764
    org.apache.drill.exec.expr.ClassGenerator.getHolderType():456
    org.apache.drill.exec.expr.ClassGenerator.declare():308
    org.apache.drill.exec.expr.ClassGenerator.declare():304
    org.apache.drill.exec.expr.EvaluationVisitor$EvalVisitor.visitUnknown():279
    org.apache.drill.exec.expr.EvaluationVisitor$ConstantFilter.visitUnknown():999
    org.apache.drill.exec.expr.EvaluationVisitor$ConstantFilter.visitUnknown():745
    org.apache.drill.common.expression.visitors.AbstractExprVisitor.visitNullConstant():162
    org.apache.drill.common.expression.TypedNullConstant.accept():46
    org.apache.drill.exec.expr.EvaluationVisitor$EvalVisitor.visitFunctionHolderExpression():131
    org.apache.drill.exec.expr.EvaluationVisitor$ConstantFilter.visitFunctionHolderExpression():772
    org.apache.drill.exec.expr.EvaluationVisitor$ConstantFilter.visitFunctionHolderExpression():745
    org.apache.drill.common.expression.FunctionHolderExpression.accept():47
    org.apache.drill.exec.expr.EvaluationVisitor.addExpr():94
    org.apache.drill.exec.expr.ClassGenerator.addExpr():225
    org.apache.drill.exec.expr.ClassGenerator.addExpr():217
    org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.setupNewSchema():402
    org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.buildSchema():270
    org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.buildSchema():80
    org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.buildSchema():269
    org.apache.drill.exec.physical.impl.validate.IteratorValidatorBatchIterator.buildSchema():80
    org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.buildSchema():95
    org.apache.drill.exec.work.fragment.FragmentExecutor.run():111
    org.apache.drill.exec.work.WorkManager$RunnableWrapper.run():249
    .......():0


Error: exception while executing query: Failure while executing query. (state=,code=0)

Issue Links

• Is contained by: DRILL-1781 For complex functions, don't return until schema is known