yiguolei commented on code in PR #24724:
URL: https://github.com/apache/doris/pull/24724#discussion_r1333764889
##########
be/src/vec/exec/scan/new_olap_scanner.cpp:
##########
@@ -481,6 +481,12 @@ Status NewOlapScanner::_init_return_columns() {
_return_columns.push_back(index);
if (slot->is_nullable() &&
!_tablet_schema->column(index).is_nullable()) {
_tablet_columns_convert_to_null_set.emplace(index);
+ } else if (!slot->is_nullable() &&
_tablet_schema->column(index).is_nullable()) {
+ throw doris::Exception(ErrorCode::INVALID_SCHEMA,
+ "slot(id: {}, name: {})'s nullable does not
match "
Review Comment:
could return error status and change the return value's attribute to [no
discard]
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