augustoasilva commented on a change in pull request #11551: URL: https://github.com/apache/arrow/pull/11551#discussion_r743325850
########## File path: cpp/src/gandiva/gdv_function_stubs.cc ########## @@ -794,6 +795,83 @@ const char* gdv_fn_initcap_utf8(int64_t context, const char* data, int32_t data_ *out_len = out_idx; return out; } + +GANDIVA_EXPORT +const char* gdv_fn_mask_first_n(int64_t context, const char* data, int32_t data_len, + int32_t n_to_mask, int32_t* out_len) { + if (data_len <= 0) { + *out_len = 0; + return ""; Review comment: Yes, it should, so I fixed ########## File path: cpp/src/gandiva/gdv_function_stubs.cc ########## @@ -794,6 +795,83 @@ const char* gdv_fn_initcap_utf8(int64_t context, const char* data, int32_t data_ *out_len = out_idx; return out; } + +GANDIVA_EXPORT +const char* gdv_fn_mask_first_n(int64_t context, const char* data, int32_t data_len, + int32_t n_to_mask, int32_t* out_len) { + if (data_len <= 0) { + *out_len = 0; + return ""; + } + + std::string str(data, data_len); + int32_t counter = 0; + for (char& c : str) { Review comment: I did a new implementation without std::string, and more simple and efficiente on the for loop -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@arrow.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org