imay commented on a change in pull request #2925: fix bug: Error of exporting
double type data to hdfs (#2924)
URL: https://github.com/apache/incubator-doris/pull/2925#discussion_r380665345
##########
File path: be/src/runtime/export_sink.cpp
##########
@@ -142,10 +142,10 @@ Status ExportSink::gen_row_buffer(TupleRow* row,
std::stringstream* ss) {
(*ss) << reinterpret_cast<PackedInt128*>(item)->value;
break;
case TYPE_FLOAT:
- (*ss) << *static_cast<float*>(item);
+ (*ss) << std::to_string(*static_cast<float*>(item));
Review comment:
Please use FloatToBuffer(gutil/strings/numbers.h) to print float and double
value
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