danny0405 commented on a change in pull request #12260:
URL: https://github.com/apache/flink/pull/12260#discussion_r428524670
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File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/planner/sources/TableSourceUtil.scala
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@@ -238,6 +250,14 @@ object TableSourceUtil {
}
}
+ private def containsTimeAttribute(tableSchema: TableSchema): Boolean = {
+ tableSchema.getWatermarkSpecs.nonEmpty ||
tableSchema.getTableColumns.exists(isProctime)
+ }
+
+ private def isProctime(column: TableColumn): Boolean = {
+ toScala(column.getExpr).exists(_.equalsIgnoreCase("proctime()"))
+ }
Review comment:
Actually `proctime( )` should also work, i'm thinking if we can use
the `Sqlparser` to parse the expr first, if we got one `SqlUnresolvedFunction`
with no operands and its name matches `proctime`, the we can go ahead.
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