tschaub commented on code in PR #38507:
URL: https://github.com/apache/arrow/pull/38507#discussion_r1391833637
##########
go/parquet/pqarrow/file_writer.go:
##########
@@ -134,6 +134,15 @@ func (fw *FileWriter) RowGroupTotalBytesWritten() int64 {
return 0
}
+// RowGroupNumRows returns the number of rows written to the current row group.
+// Returns an error if they are unequal between columns that have been written
so far.
+func (fw *FileWriter) RowGroupNumRows() (int, error) {
+ if fw.rgw != nil {
+ return fw.rgw.NumRows()
+ }
+ return 0, nil
+}
+
Review Comment:
@zeroshade - I've rebased this after #38517, so think it is ready for review.
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