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https://issues.apache.org/jira/browse/FLINK-22861?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Jingsong Lee updated FLINK-22861:
---------------------------------
Fix Version/s: 1.13.3
1.14.0
> TIMESTAMPADD + timestamp_ltz type throws CodeGenException
> ---------------------------------------------------------
>
> Key: FLINK-22861
> URL: https://issues.apache.org/jira/browse/FLINK-22861
> Project: Flink
> Issue Type: Bug
> Components: Table SQL / Planner, Table SQL / Runtime
> Affects Versions: 1.14.0, 1.13.2
> Reporter: Caizhi Weng
> Assignee: Caizhi Weng
> Priority: Major
> Labels: auto-unassigned, pull-request-available
> Fix For: 1.14.0, 1.13.3
>
>
> Add the following test case to
> {{org.apache.flink.table.planner.runtime.batch.sql.CalcITCase}} to reproduce
> this issue.
> {code:scala}
> @Test
> def myTest(): Unit = {
> checkResult("SELECT TIMESTAMPADD(MINUTE, 10, CURRENT_TIMESTAMP)", Seq())
> }
> {code}
> The exception stack is
> {code}
> org.apache.flink.table.planner.codegen.CodeGenException: Incompatible types
> of expression and result type.
> Expression[GeneratedExpression(result$5,isNull$4,
> isNull$4 = false || false;
> result$5 = null;
> if (!isNull$4) {
>
> result$5 =
> org.apache.flink.table.data.TimestampData.fromEpochMillis(((org.apache.flink.table.data.TimestampData)
> queryStartTimestamp).getMillisecond() + ((long) 600000L),
> ((org.apache.flink.table.data.TimestampData)
> queryStartTimestamp).getNanoOfMillisecond());
>
> }
> ,TIMESTAMP_LTZ(3) NOT NULL,None)] type is [TIMESTAMP_LTZ(3) NOT NULL], result
> type is [TIMESTAMP(6) NOT NULL]
> at
> org.apache.flink.table.planner.codegen.ExprCodeGenerator$$anonfun$generateResultExpression$1.apply(ExprCodeGenerator.scala:311)
> at
> org.apache.flink.table.planner.codegen.ExprCodeGenerator$$anonfun$generateResultExpression$1.apply(ExprCodeGenerator.scala:299)
> at
> scala.collection.mutable.ResizableArray$class.foreach(ResizableArray.scala:59)
> at scala.collection.mutable.ArrayBuffer.foreach(ArrayBuffer.scala:48)
> at
> org.apache.flink.table.planner.codegen.ExprCodeGenerator.generateResultExpression(ExprCodeGenerator.scala:299)
> at
> org.apache.flink.table.planner.codegen.ExprCodeGenerator.generateResultExpression(ExprCodeGenerator.scala:255)
> at
> org.apache.flink.table.planner.codegen.CalcCodeGenerator$.produceProjectionCode$1(CalcCodeGenerator.scala:142)
> at
> org.apache.flink.table.planner.codegen.CalcCodeGenerator$.generateProcessCode(CalcCodeGenerator.scala:167)
> at
> org.apache.flink.table.planner.codegen.CalcCodeGenerator$.generateCalcOperator(CalcCodeGenerator.scala:50)
> at
> org.apache.flink.table.planner.codegen.CalcCodeGenerator.generateCalcOperator(CalcCodeGenerator.scala)
> at
> org.apache.flink.table.planner.plan.nodes.exec.common.CommonExecCalc.translateToPlanInternal(CommonExecCalc.java:94)
> at
> org.apache.flink.table.planner.plan.nodes.exec.ExecNodeBase.translateToPlan(ExecNodeBase.java:134)
> at
> org.apache.flink.table.planner.plan.nodes.exec.ExecEdge.translateToPlan(ExecEdge.java:247)
> at
> org.apache.flink.table.planner.plan.nodes.exec.batch.BatchExecSink.translateToPlanInternal(BatchExecSink.java:58)
> at
> org.apache.flink.table.planner.plan.nodes.exec.ExecNodeBase.translateToPlan(ExecNodeBase.java:134)
> at
> org.apache.flink.table.planner.delegation.BatchPlanner$$anonfun$translateToPlan$1.apply(BatchPlanner.scala:80)
> at
> org.apache.flink.table.planner.delegation.BatchPlanner$$anonfun$translateToPlan$1.apply(BatchPlanner.scala:79)
> at
> scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
> at
> scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
> at scala.collection.Iterator$class.foreach(Iterator.scala:891)
> at scala.collection.AbstractIterator.foreach(Iterator.scala:1334)
> at scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
> at scala.collection.AbstractIterable.foreach(Iterable.scala:54)
> at scala.collection.TraversableLike$class.map(TraversableLike.scala:234)
> at scala.collection.AbstractTraversable.map(Traversable.scala:104)
> at
> org.apache.flink.table.planner.delegation.BatchPlanner.translateToPlan(BatchPlanner.scala:79)
> at
> org.apache.flink.table.planner.delegation.PlannerBase.translate(PlannerBase.scala:165)
> at
> org.apache.flink.table.api.internal.TableEnvironmentImpl.translate(TableEnvironmentImpl.java:1657)
> at
> org.apache.flink.table.api.internal.TableEnvironmentImpl.executeQueryOperation(TableEnvironmentImpl.java:797)
> at
> org.apache.flink.table.api.internal.TableEnvironmentImpl.executeInternal(TableEnvironmentImpl.java:1258)
> at
> org.apache.flink.table.api.internal.TableImpl.execute(TableImpl.java:577)
> at
> org.apache.flink.table.planner.runtime.utils.BatchTestBase.executeQuery(BatchTestBase.scala:300)
> at
> org.apache.flink.table.planner.runtime.utils.BatchTestBase.check(BatchTestBase.scala:140)
> at
> org.apache.flink.table.planner.runtime.utils.BatchTestBase.checkResult(BatchTestBase.scala:106)
> at
> org.apache.flink.table.planner.runtime.batch.sql.CalcITCase.myTest2(CalcITCase.scala:81)
> {code}
> This is because
> {{org.apache.calcite.sql.fun.SqlTimestampAddFunction#deduceType}} always
> returns a timestamp type for some time unit. So it seems that we should write
> our own timestamp add function to get the correct return type.
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