eldenmoon commented on code in PR #65561:
URL: https://github.com/apache/doris/pull/65561#discussion_r3664702132
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be/src/exprs/table_function/vexplode_v2.cpp:
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@@ -49,8 +54,30 @@ VExplodeV2TableFunction::VExplodeV2TableFunction() {
Status VExplodeV2TableFunction::_process_init_variant(Block* block, int
value_column_idx,
int children_column_idx)
{
// explode variant array
- auto column_without_nullable =
remove_nullable(block->get_by_position(value_column_idx).column);
- auto column = column_without_nullable->convert_to_full_column_if_const();
+ auto materialized =
+
block->get_by_position(value_column_idx).column->convert_to_full_column_if_const();
+ std::span<const uint8_t> outer_nulls;
+ const IColumn* nested = materialized.get();
+ if (const auto* nullable = check_and_get_column<ColumnNullable>(nested)) {
+ outer_nulls = nullable->get_null_map_data();
+ nested = &nullable->get_nested_column();
+ }
+ if (const auto* variant_v2 =
check_and_get_column<ColumnVariantV2>(nested)) {
+ auto variant_type = std::make_shared<DataTypeVariantV2>();
+ auto target_type = std::make_shared<DataTypeArray>(variant_type);
+ ColumnPtr array_column;
+
RETURN_IF_ERROR(CastWrapper::variant_v2_internal::cast_variant_to_array(
Review Comment:
will be solved in Next steps
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