Method MaskLastN

be/src/exprs/mask-functions-ir.cc:696–699

MaskLastN overloads for string value

/// MaskLastN overloads for string value
StringVal MaskFunctions::MaskLastN(FunctionContext *ctx, const StringVal &val) {
  return MaskLastNImpl(ctx, val, CHAR_COUNT, MASKED_UPPERCASE, MASKED_LOWERCASE,
      MASKED_DIGIT, MASKED_OTHER_CHAR);
}
StringVal MaskFunctions::MaskLastN(FunctionContext* ctx, const StringVal& val,
    const IntVal& char_count) {
  return MaskLastNImpl(ctx, val, char_count.val, MASKED_UPPERCASE, MASKED_LOWERCASE,