xinyiZzz commented on code in PR #27661:
URL: https://github.com/apache/doris/pull/27661#discussion_r1408617217
##########
be/src/util/arrow/row_batch.cpp:
##########
@@ -168,12 +168,13 @@ Status convert_to_arrow_schema(const RowDescriptor&
row_desc,
Status convert_expr_ctxs_arrow_schema(const vectorized::VExprContextSPtrs&
output_vexpr_ctxs,
std::shared_ptr<arrow::Schema>* result) {
std::vector<std::shared_ptr<arrow::Field>> fields;
- for (auto expr_ctx : output_vexpr_ctxs) {
+ for (int i = 0; i < output_vexpr_ctxs.size(); i++) {
Review Comment:
因为对查询结果中的匿名列，sum(), count()的列，使用 sum_i , count_i 作为列名，i是 output_expr 中的index
##########
be/src/util/arrow/row_batch.cpp:
##########
@@ -168,12 +168,13 @@ Status convert_to_arrow_schema(const RowDescriptor&
row_desc,
Status convert_expr_ctxs_arrow_schema(const vectorized::VExprContextSPtrs&
output_vexpr_ctxs,
std::shared_ptr<arrow::Schema>* result) {
std::vector<std::shared_ptr<arrow::Field>> fields;
- for (auto expr_ctx : output_vexpr_ctxs) {
+ for (int i = 0; i < output_vexpr_ctxs.size(); i++) {
Review Comment:
因为对查询结果中的匿名列，sum(), count()的列，使用 sum_i , count_i 作为列名，i是 output_expr 中的index
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