mapleFU commented on code in PR #41346:
URL: https://github.com/apache/arrow/pull/41346#discussion_r1593718966
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cpp/src/parquet/column_reader.cc:
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@@ -1401,26 +1424,22 @@ class TypedRecordReader : public
TypedColumnReaderImpl<DType>,
int16_t* def_levels = this->def_levels() + levels_written_;
int16_t* rep_levels = this->rep_levels() + levels_written_;
- // Not present for non-repeated fields
- int64_t levels_read = 0;
+ int64_t levels_read = this->ReadDefinitionLevels(batch_size,
def_levels);
if (this->max_rep_level_ > 0) {
- levels_read = this->ReadDefinitionLevels(batch_size, def_levels);
- if (this->ReadRepetitionLevels(batch_size, rep_levels) !=
levels_read) {
- throw ParquetException("Number of decoded rep / def levels did not
match");
+ int64_t rep_levels_read = this->ReadRepetitionLevels(batch_size,
rep_levels);
+ if (rep_levels_read != levels_read) {
+ throw ParquetException(kErrorRepDefLevelInEqual);
}
- } else if (this->max_def_level_ > 0) {
Review Comment:
This branch is useless...
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