HappenLee commented on code in PR #13193:
URL: https://github.com/apache/doris/pull/13193#discussion_r990724580
##########
be/src/vec/functions/function_string.cpp:
##########
@@ -265,6 +265,45 @@ struct TransferImpl {
}
};
+// Capitalize first letter
+struct NameToInitcap {
+ static constexpr auto name = "initcap";
+};
+
+struct InitcapImpl {
+ 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(offsets.size());
Review Comment:
here maybe need memcpy， the offset do not change
##########
be/src/exprs/string_functions.cpp:
##########
@@ -350,6 +350,29 @@ StringVal StringFunctions::upper(FunctionContext* context,
const StringVal& str)
return result;
}
+StringVal StringFunctions::initcap(FunctionContext* context, const StringVal&
str) {
+ if (str.is_null) {
+ return StringVal::null();
+ }
+ StringVal result(context, str.len);
+ if (UNLIKELY(result.is_null)) {
Review Comment:
seems not will be null
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