luoyuxia commented on code in PR #1934:
URL: https://github.com/apache/fluss/pull/1934#discussion_r2494053875
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fluss-flink/fluss-flink-common/src/main/java/org/apache/fluss/flink/source/FlinkTableSource.java:
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@@ -572,7 +576,11 @@ && hasPrimaryKey()
}
}
}
- return Result.of(acceptedFilters, remainingFilters);
+
+ // We cannot determine whether this source will ultimately be used
as a scan source or
+ // a lookup source. Since fluss lookup sources cannot accept
filters yet, to be safe, we
+ // return all filters to the Flink planner.
+ return Result.of(acceptedFilters, filters);
Review Comment:
Just wondering is there any way to avoid it. The source scan operator will
always evaluate the filters even though the filters are already pushdown.
Is it possible to limit such behavior on lookup source only?
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