yuchuanchen commented on code in PR #21563:
URL: https://github.com/apache/flink/pull/21563#discussion_r1060263636
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flink-table/flink-table-planner/src/main/java/org/apache/flink/table/planner/plan/rules/logical/PushProjectIntoTableSourceScanRule.java:
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@@ -186,11 +193,30 @@ private boolean supportsMetadata(DynamicTableSource
tableSource) {
return tableSource instanceof SupportsReadingMetadata;
}
- private boolean supportsNestedProjection(DynamicTableSource tableSource) {
+ private boolean supportsNestedProjection(
+ DynamicTableSource tableSource, LogicalProject project) {
+ List<RexNode> projects = project.getProjects();
return supportsProjectionPushDown(tableSource)
+ && isVectorizedSupportedTypes(projects)
&& ((SupportsProjectionPushDown)
tableSource).supportsNestedProjection();
}
+ private boolean isVectorizedSupportedTypes(List<RexNode> projects) {
Review Comment:
good idea, I will change it later.
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