snuyanzin commented on code in PR #26893:
URL: https://github.com/apache/flink/pull/26893#discussion_r2272472418
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flink-table/flink-table-runtime/src/main/java/org/apache/flink/table/runtime/operators/deduplicate/utils/DeduplicateFunctionHelper.java:
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@@ -292,6 +292,19 @@ public static boolean shouldKeepCurrentRow(
}
}
+ private static boolean areRowsWithSameContent(
+ RecordEqualiser equaliser, RowData prevRow, RowData currentRow) {
+ final RowKind currentRowKind = currentRow.getRowKind();
+ if (currentRowKind == RowKind.UPDATE_AFTER) {
+ // setting row kind to prevRowKind to check whether the row
content is the same
+ currentRow.setRowKind(RowKind.INSERT);
+ final boolean result = equaliser.equals(prevRow, currentRow);
+ currentRow.setRowKind(currentRowKind);
+ return result;
+ }
+ return equaliser.equals(prevRow, currentRow);
Review Comment:
or we can set and unset it always...
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