cambyzju commented on code in PR #10749:
URL: https://github.com/apache/doris/pull/10749#discussion_r918463373
##########
be/src/vec/functions/function_string.h:
##########
@@ -553,20 +563,123 @@ class FunctionStringConcatWs : public IFunction {
fmt::memory_buffer buffer;
std::vector<std::string_view> views;
+ if (check_column<ColumnArray>(argument_columns[1].get())) {
+ // Determine if the nested type of the array is String
+ const ColumnArray& array_column =
+ reinterpret_cast<const ColumnArray&>(*argument_columns[1]);
+ if (!array_column.get_data().is_column_string()) {
+ return Status::NotSupported(
+ fmt::format("unsupported nested array of type {} for
function {}",
+ array_column.get_data().get_family_name(),
get_name()));
+ }
+ // Concat string in array
+ _execute_array(input_rows_count, array_column, buffer, views,
offsets_list, chars_list,
+ null_list, res_data, res_offset);
+
+ } else {
+ // Concat string
+ _execute_string(input_rows_count, argument_size, buffer, views,
offsets_list,
+ chars_list, null_list, res_data, res_offset);
+ }
+ if (is_null_type) {
+ block.get_by_position(result).column =
+ ColumnNullable::create(std::move(res),
std::move(null_map));
+ } else {
+ block.get_by_position(result).column = std::move(res);
+ }
+ return Status::OK();
+ }
+
+private:
+ void _execute_array(const size_t& input_rows_count, const ColumnArray&
array_column,
+ fmt::memory_buffer& buffer,
std::vector<std::string_view>& views,
+ const std::vector<const ColumnString::Offsets*>&
offsets_list,
+ const std::vector<const ColumnString::Chars*>&
chars_list,
Review Comment:
```suggestion
const std::vector<const Chars*>& chars_list,
```
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