ViniciusSouzaRoque commented on code in PR #12803:
URL: https://github.com/apache/arrow/pull/12803#discussion_r844982735
##########
cpp/src/gandiva/precompiled/string_ops.cc:
##########
@@ -2393,152 +2393,213 @@ const char* byte_substr_binary_int32_int32(gdv_int64
context, const char* text,
return ret;
}
+FORCE_INLINE
+void concat_word(char* out_buf, int* out_idx, const char* in_buf, int in_len,
+ bool in_validity, const char* separator, int separator_len) {
+ if (!in_validity) {
+ return;
+ }
+
+ // input is valid
+ if (*out_idx != 0) {
+ // copy the separator and update *out_idx
+ memcpy(out_buf + *out_idx, separator, separator_len);
+ *out_idx += separator_len;
+ }
+ // copy the input and update *out_idx
+ memcpy(out_buf + *out_idx, in_buf, in_len);
+ *out_idx += in_len;
+}
+
FORCE_INLINE
const char* concat_ws_utf8_utf8(int64_t context, const char* separator,
- int32_t separator_len, const char* word1,
- int32_t word1_len, const char* word2, int32_t
word2_len,
- int32_t* out_len) {
- if (word1_len < 0 || word2_len < 0 || separator_len < 0) {
- gdv_fn_context_set_error_msg(context, "All words can not be null.");
+ int32_t separator_len, bool separator_validity,
+ const char* word1, int32_t word1_len, bool
word1_validity,
+ const char* word2, int32_t word2_len, bool
word2_validity,
+ bool* out_valid, int32_t* out_len) {
+ *out_len = 0;
+ // If separator is null, always return null
+ if (!separator_validity) {
*out_len = 0;
+ *out_valid = false;
return "";
}
+ *out_len += separator_len;
+ if (word1_validity) {
+ *out_len += word1_len;
+ }
+ if (word2_validity) {
+ *out_len += word2_len;
+ }
- *out_len = word1_len + separator_len + word2_len;
char* out = reinterpret_cast<char*>(gdv_fn_context_arena_malloc(context,
*out_len));
if (out == nullptr) {
- gdv_fn_context_set_error_msg(context, "Could not allocate memory for
output string");
*out_len = 0;
+ *out_valid = true;
return "";
}
+ bool last = false;
+ bool next = false;
+
char* tmp = out;
- memcpy(tmp, word1, word1_len);
- tmp += word1_len;
- memcpy(tmp, separator, separator_len);
- tmp += separator_len;
- memcpy(tmp, word2, word2_len);
+ int out_tmp = 0;
+
+ concat_word(tmp, &out_tmp, word1, word1_len, word1_validity, separator,
separator_len);
+ concat_word(tmp, &out_tmp, word2, word2_len, word2_validity, separator,
separator_len);
+ *out_valid = true;
+ *out_len = out_tmp;
return out;
}
FORCE_INLINE
-const char* concat_ws_utf8_utf8_utf8(int64_t context, const char* separator,
- int32_t separator_len, const char* word1,
- int32_t word1_len, const char* word2,
- int32_t word2_len, const char* word3,
- int32_t word3_len, int32_t* out_len) {
- if (word1_len < 0 || word2_len < 0 || word3_len < 0 || separator_len < 0) {
- gdv_fn_context_set_error_msg(context, "All words can not be null.");
+const char* concat_ws_utf8_utf8_utf8(
+ int64_t context, const char* separator, int32_t separator_len,
+ bool separator_validity, const char* word1, int32_t word1_len, bool
word1_validity,
+ const char* word2, int32_t word2_len, bool word2_validity, const char*
word3,
+ int32_t word3_len, bool word3_validity, bool* out_valid, int32_t* out_len)
{
+ *out_len = 0;
+ if (!separator_validity) {
*out_len = 0;
+ *out_valid = false;
return "";
}
+ *out_len += separator_len * 2;
+ if (word1_validity) {
+ *out_len += word1_len;
+ }
+ if (word2_validity) {
+ *out_len += word2_len;
+ }
+ if (word3_validity) {
+ *out_len += word3_len;
+ }
- *out_len = word1_len + word2_len + word3_len + (2 * separator_len);
char* out = reinterpret_cast<char*>(gdv_fn_context_arena_malloc(context,
*out_len));
if (out == nullptr) {
- gdv_fn_context_set_error_msg(context, "Could not allocate memory for
output string");
*out_len = 0;
+ *out_valid = true;
Review Comment:
I'm waiting the reply from Projjal, but I changed again to false, following
other function resolution for this
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