Method InitCap

be/src/exprs/string-functions-ir.cc:336–342

Returns a string identical to the input, but with the first character of each word mapped to its upper-case equivalent. All other characters will be mapped to their lower-case equivalents. If input == NULL it will return NULL

// will be mapped to their lower-case equivalents. If input == NULL it
// will return NULL
StringVal StringFunctions::InitCap(FunctionContext* context, const StringVal& str) {
  if (str.is_null) return StringVal::null();
  if (context->impl()->GetConstFnAttr(FunctionContextImpl::UTF8_MODE)) {
    return InitCapUtf8(context, str);
  }
  return InitCapAscii(context, str);
}

StringVal StringFunctions::InitCapAscii(FunctionContext* context, const StringVal& str) {
  StringVal result(context, str.len);