Baymine commented on code in PR #61614:
URL: https://github.com/apache/doris/pull/61614#discussion_r3206962511
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be/src/format/csv/csv_reader.cpp:
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@@ -585,6 +585,10 @@ Status CsvReader::_create_file_reader(bool need_schema) {
Status CsvReader::_create_line_reader() {
std::shared_ptr<TextLineReaderContextIf> text_line_reader_ctx;
+ // Hive TextInputFormat defines one record per physical line, so
OpenCSVSerde must not
+ // merge rows across line delimiters even if a quote stays open.
+ const bool allow_multiline_records = !(_range.__isset.table_format_params
&&
+
_range.table_format_params.table_format_type == "hive");
Review Comment:
This path isn't reachable for the CSV reader. table_format_type ==
"transactional_hive" is only set by `HiveScanNode.java:468` when
HiveSplit.isACID() is true, and Hive ACID requires ORC storage by spec — ACID
tables cannot be stored as TEXTFILE/CSV, so
csv_reader.cpp::_create_line_reader() is never entered on that path. The
parallel `new_json_reader.cpp:388` follows the same "hive"-only convention. I'd
prefer to keep the check narrow rather than add code for an unreachable branch.
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