sudssf commented on a change in pull request #1254:
URL: https://github.com/apache/iceberg/pull/1254#discussion_r491236887
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File path: parquet/src/main/java/org/apache/iceberg/parquet/ReadConf.java
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@@ -85,6 +87,10 @@
this.rowGroups = reader.getRowGroups();
this.shouldSkip = new boolean[rowGroups.size()];
+ // Fetch all row groups starting positions to compute the row offsets of
the filtered row groups
+ Map<Long, Long> offsetToStartPos = generateOffsetToStartPos();
Review comment:
@chenjunjiedada yes we should make this lazy , do you have issue to
track improvements to existing logic?
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