projjal commented on a change in pull request #9750:
URL: https://github.com/apache/arrow/pull/9750#discussion_r608324514
##########
File path: cpp/src/gandiva/function_registry_string.cc
##########
@@ -114,6 +114,22 @@ std::vector<NativeFunction> GetStringFunctionRegistry() {
utf8(), kResultNullIfNull, "substr_utf8_int64_int64",
NativeFunction::kNeedsContext),
+ NativeFunction("to_char", {}, DataTypeVector{int32(), int64()}, utf8(),
Review comment:
The signature looks incorrect. Aren't you taking pattern (string) as
second argument.
It should be {int32(), utf8()}
##########
File path: cpp/src/gandiva/gdv_function_stubs.cc
##########
@@ -337,6 +384,42 @@ void ExportedStubFunctions::AddMappings(Engine* engine)
const {
engine->AddGlobalMappingForFunc("gdv_fn_castFLOAT8_utf8",
types->double_type(), args,
reinterpret_cast<void*>(gdv_fn_castFLOAT8_utf8));
+
+ // gdv_fn_to_char_int32_int64
+ args = {types->i64_type(), // int64_t execution_context
+ types->i32_type(), // int32_t value
+ types->i64_type(), // int64_t len
+ types->i32_ptr_type()}; // int32_t* out_len
+ engine->AddGlobalMappingForFunc(
Review comment:
This arguments here are also different to your actual function.
##########
File path: cpp/src/gandiva/gdv_function_stubs.cc
##########
@@ -176,6 +180,49 @@ char* gdv_fn_dec_to_string(int64_t context, int64_t
x_high, uint64_t x_low,
return val;
\
}
+#define GDV_FN_TO_CHAR(IN_TYPE, ARROW_TYPE)
\
+ GANDIVA_EXPORT
\
+ const char* gdv_fn_to_char_##IN_TYPE##_int64(int64_t context, gdv_##IN_TYPE
value, \
+ int64_t len, const char*
pattern, int32_t * out_len) { \
Review comment:
This signature is also different.
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