HappenLee commented on code in PR #33055:
URL: https://github.com/apache/doris/pull/33055#discussion_r1554801961
##########
be/src/vec/functions/function_string.cpp:
##########
@@ -57,6 +57,28 @@ struct StringASCII {
}
};
+struct NameQuote {
+ static constexpr auto name = "quote";
+};
+
+struct NameQuoteImpl {
+ static Status vector(const ColumnString::Chars& data, const
ColumnString::Offsets& offsets,
+ ColumnString::Chars& res_data, ColumnString::Offsets&
res_offsets) {
+ size_t offset_size = offsets.size();
+ res_offsets.resize(offset_size);
+ res_data.reserve(data.size() + offset_size * 2);
+ for (int i = 0; i < offset_size; i++) {
+ const unsigned char* raw_str = &data[offsets[i - 1]];
+ ColumnString::Offset size = offsets[i] - offsets[i - 1];
+ res_data.push_back_without_reserve('\'');
+ res_data.insert_assume_reserved(raw_str, raw_str + size);
Review Comment:
use memcpy to do the work
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