morningman commented on code in PR #16111:
URL: https://github.com/apache/doris/pull/16111#discussion_r1085449722
##########
be/src/vec/exec/format/orc/vorc_reader.cpp:
##########
@@ -780,7 +791,9 @@ Status OrcReader::get_next_block(Block* block, size_t*
read_rows, bool* eof) {
}
}
const auto& batch_vec =
down_cast<orc::StructVectorBatch*>(_batch.get())->fields;
- for (auto& col : _read_cols) {
+ for (auto& origin_col : _read_cols) {
+ std::string col = origin_col;
+ transform(col.begin(), col.end(), col.begin(), ::tolower);
Review Comment:
save `lower case _read_cols` so that we don't need to transform it for each
block
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