Method Space

be/src/exprs/string-functions-ir.cc:153–166

}

StringVal StringFunctions::Space(FunctionContext* context, const BigIntVal& len) {
  if (len.is_null) return StringVal::null();
  if (len.val <= 0) return StringVal();
  if (len.val > StringVal::MAX_LENGTH) {
    context->SetError(Substitute(ERROR_CHARACTER_LIMIT_EXCEEDED,
        "space() result",
        PrettyPrinter::Print(StringVal::MAX_LENGTH, TUnit::BYTES)).c_str());
    return StringVal::null();
  }
  StringVal result(context, len.val);
  if (UNLIKELY(result.is_null)) return StringVal::null();
  memset(result.ptr, ' ', len.val);
  return result;
}

StringVal StringFunctions::Repeat(
    FunctionContext* context, const StringVal& str, const BigIntVal& n) {