JingsongLi commented on a change in pull request #8530:
[FLINK-12611][table-planner-blink] Make time indicator nullable in blink
URL: https://github.com/apache/flink/pull/8530#discussion_r296628730
##########
File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/calcite/FlinkTypeFactory.scala
##########
@@ -148,27 +148,27 @@ class FlinkTypeFactory(typeSystem: RelDataTypeSystem)
extends JavaTypeFactoryImp
/**
* Creates a indicator type for processing-time, but with similar
properties as SQL timestamp.
*/
- def createProctimeIndicatorType(): RelDataType = {
+ def createProctimeIndicatorType(isNullable: Boolean): RelDataType = {
val originalType = createFieldTypeFromLogicalType(new TimestampType(3))
- canonize(
- new TimeIndicatorRelDataType(
- getTypeSystem,
- originalType.asInstanceOf[BasicSqlType],
- isEventTime = false)
- )
+ val indicator = new TimeIndicatorRelDataType(
+ getTypeSystem,
+ originalType.asInstanceOf[BasicSqlType],
+ isNullable,
+ isEventTime = false)
+ createTypeWithNullability(indicator, isNullable)
Review comment:
OK, let it be:
```
val originalType = createFieldTypeFromLogicalType(new
TimestampType(isNullable, 3))
canonize(new TimeIndicatorRelDataType(
getTypeSystem,
originalType.asInstanceOf[BasicSqlType],
isNullable,
isEventTime = false))
```
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