ViniciusSouzaRoque commented on code in PR #12716:
URL: https://github.com/apache/arrow/pull/12716#discussion_r850628289
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cpp/src/gandiva/precompiled/string_ops.cc:
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@@ -2815,45 +2814,71 @@ const char* soundex_utf8(gdv_int64 ctx, const char* in,
gdv_int32 in_len,
}
// The soundex code is composed by one letter and three numbers
+ char* soundex = reinterpret_cast<char*>(gdv_fn_context_arena_malloc(ctx,
in_len));
char* ret = reinterpret_cast<char*>(gdv_fn_context_arena_malloc(ctx, 4));
- if (ret == nullptr) {
+
+ if (soundex == nullptr || ret == nullptr) {
gdv_fn_context_set_error_msg(ctx, "Could not allocate memory for output
string");
*out_len = 0;
return "";
}
int si = 1;
+ int ret_len = 1;
unsigned char c;
int start_idx = 0;
for (int i = 0; i < in_len; ++i) {
if (isalpha(in[i]) > 0) {
+ // Retain the first letter
ret[0] = toupper(in[i]);
start_idx = i + 1;
break;
}
}
- for (int i = start_idx, l = in_len; i < l; i++) {
+ // If ret[0] is not initialised, return one exception
+ if (start_idx == 0) {
Review Comment:
For Oracle this return null.
I seted the result to false validity in this case
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