KurtYoung commented on a change in pull request #10224:
[FLINK-14716][table-planner-blink] Cooperate computed column with push down
rules
URL: https://github.com/apache/flink/pull/10224#discussion_r347076228
##########
File path:
flink-table/flink-table-planner-blink/src/main/scala/org/apache/flink/table/planner/plan/rules/logical/PushProjectIntoTableSourceScanRule.scala
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@@ -94,16 +97,26 @@ class PushProjectIntoTableSourceScanRule extends
RelOptRule(
}
// project push down does not change the statistic, we can reuse origin
statistic
+ val flinkTypeFactory = tableSourceTable
+ .getRelOptSchema
+ .getTypeFactory
+ .asInstanceOf[FlinkTypeFactory]
+ val newSourceRowType = TableSourceUtil.getSourceRowType(flinkTypeFactory,
+ oldTableSource.getTableSchema,
+ oldTableSource,
+ Option(usedFields),
+ tableSourceTable.isStreamingMode)
val newTableSourceTable = new TableSourceTable(
Review comment:
let `TableSourceTable` provide a `copy` method with new rowType and
tableSource
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