Ted-Jiang commented on code in PR #1998:
URL: https://github.com/apache/arrow-rs/pull/1998#discussion_r912763675
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parquet/src/arrow/record_reader/mod.rs:
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@@ -202,6 +203,37 @@ where
Ok(records_read)
}
+ /// Try to skip the next `num_records` rows
+ ///
+ /// # Returns
+ ///
+ /// Number of records skipped
+ pub fn skip_records(&mut self, num_records: usize) -> Result<usize> {
+ // First need to clear the buffer
+ let (buffered_records, buffered_values) =
self.count_records(num_records);
+ self.num_records += buffered_records;
+ self.num_values += buffered_values;
+
+ self.consume_def_levels();
+ self.consume_rep_levels();
+ self.consume_record_data();
Review Comment:
Sorry, i don't get this point, why not directly call
`column_reader.skip_records(num_records)`
could you give me some hint?
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