zeroshade commented on code in PR #1456:
URL: https://github.com/apache/arrow-adbc/pull/1456#discussion_r1458046880


##########
go/adbc/driver/snowflake/record_reader.go:
##########
@@ -389,7 +386,15 @@ func jsonDataToArrow(ctx context.Context, bldr 
*array.RecordBuilder, ld gosnowfl
                                        return nil, err
                                }
 
-                               if tz != time.UTC {
+                               snowflakeType, ok := 
bldr.Schema().Field(i).Metadata.GetValue(MetadataKeySnowflakeType)
+                               if !ok {
+                                       return nil, errToAdbcErr(
+                                               adbc.StatusInvalidData,
+                                               fmt.Errorf("key %s not found in 
metadata for field %s", MetadataKeySnowflakeType, bldr.Schema().Field(i).Name),
+                                       )
+                               }

Review Comment:
   Are we guaranteed that `SNOWFLAKE_TYPE` will *always* appear in the 
metadata? Should we rely on it rather than falling back to making an inference 
if the metadata key isn't there?



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