morningman commented on code in PR #24698:
URL: https://github.com/apache/doris/pull/24698#discussion_r1332934684
##########
be/src/vec/exec/format/csv/csv_reader.cpp:
##########
@@ -335,6 +335,9 @@ Status CsvReader::init_reader(bool is_load) {
} else {
_options.map_key_delim =
_params.file_attributes.text_params.mapkv_delimiter[0];
}
+ if (is_load) {
Review Comment:
Better check again, check if all columns are nullable string, in case that
FE planner may change the behavior
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