chenjunjiedada commented on a change in pull request #1254:
URL: https://github.com/apache/iceberg/pull/1254#discussion_r461992169
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File path: parquet/src/main/java/org/apache/iceberg/parquet/ReadConf.java
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@@ -157,6 +164,23 @@ ParquetFileReader reader() {
return shouldSkip;
}
+ private Map<Long, Long> generateRowGroupsStartRowPos() {
Review comment:
The existing loop of row groups is based on the row groups that had been
filtered with `options`. So we need to read the Parquet file without any
filter to get each starting row position of row group.
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