liujiwen-up commented on code in PR #41681:
URL: https://github.com/apache/doris/pull/41681#discussion_r1800408736
##########
be/src/vec/functions/function_string.cpp:
##########
@@ -535,6 +545,42 @@ struct TrimUtil {
return Status::OK();
}
};
+template <bool is_ltrim_in, bool is_rtrim_in, bool trim_single>
+struct TrimInUtil {
+ static Status vector(const ColumnString::Chars& str_data,
+ const ColumnString::Offsets& str_offsets, const
StringRef& remove_str,
+ ColumnString::Chars& res_data, ColumnString::Offsets&
res_offsets) {
+ const size_t offset_size = str_offsets.size();
+ res_offsets.resize(offset_size);
+ res_data.reserve(str_data.size());
+ std::bitset<256> char_lookup;
+ for (size_t i = 0; i < remove_str.size; ++i) {
+ char_lookup[static_cast<unsigned char>(remove_str.data[i])] = true;
Review Comment:
Added utf-8 processing logic
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