GH-47664: [C++][Parquet] add num_rows_ before each call to RowGroupWriter::Close in FileSerializer #47665
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mapleFU
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Rationale for this change
Fix wrong result of
num_rows()method inFileSerializer.What changes are included in this PR?
num_rows_before each call toRowGroupWriter::CloseinFileSerializer.Are these changes tested?
Yes.
Are there any user-facing changes?
Now
num_rows_will return the corrent result which is the number of rows in the yet started RowGroups.num_rowsmethod inFileSerializerreturns wrong number. #47664