John Fang created FLINK-7833:
--------------------------------
Summary: Flink's Literal(value, SqlTimeTypeInfo) fails to convert
Calctie's RexNode
Key: FLINK-7833
URL: https://issues.apache.org/jira/browse/FLINK-7833
Project: Flink
Issue Type: Bug
Components: Table API & SQL
Reporter: John Fang
Fix For: 1.4.0
```
Caused by: java.lang.ClassCastException: java.util.GregorianCalendar cannot be
cast to java.util.Date
at
org.apache.flink.table.expressions.Literal.dateToCalendar(literals.scala:116)
at org.apache.flink.table.expressions.Literal.toRexNode(literals.scala:84)
at
org.apache.flink.table.expressions.BinaryComparison$$anonfun$toRexNode$1.apply(comparison.scala:35)
at
org.apache.flink.table.expressions.BinaryComparison$$anonfun$toRexNode$1.apply(comparison.scala:35)
at
scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
at
scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scala:234)
at scala.collection.immutable.List.foreach(List.scala:392)
at scala.collection.TraversableLike$class.map(TraversableLike.scala:234)
at scala.collection.immutable.List.map(List.scala:296)
at
org.apache.flink.table.expressions.BinaryComparison.toRexNode(comparison.scala:35)
at
org.apache.flink.table.plan.rules.logical.PushFilterIntoTableSourceScanRule$$anonfun$1.apply(PushFilterIntoTableSourceScanRule.scala:97)
at
org.apache.flink.table.plan.rules.logical.PushFilterIntoTableSourceScanRule$$anonfun$1.apply(PushFilterIntoTableSourceScanRule.scala:97)
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.plan.rules.logical.PushFilterIntoTableSourceScanRule.pushFilterIntoScan(PushFilterIntoTableSourceScanRule.scala:97)
at
org.apache.flink.table.plan.rules.logical.PushFilterIntoTableSourceScanRule.onMatch(PushFilterIntoTableSourceScanRule.scala:60)
at
org.apache.calcite.plan.volcano.VolcanoRuleCall.onMatch(VolcanoRuleCall.java:212)
```
Using the `RexProgramExtractor.visitLiteral` will invoke Calcite's
`RexLiteral.getValue` to generator `Literal(value, type)`. If the type is
TIME|DATE|TIMESTAMP, then Calcite's return type of `RexLiteral.getValue'` is
`Calendar`. After that, the `Literal(value, type)` maybe convert `RexNode` by
invoking `Literal.toRexNode`. Then it will invoked the function
`dateToCalendar`. Thus it will cause the exception.
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