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https://issues.apache.org/jira/browse/HIVE-3323?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13448184#comment-13448184
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Travis Crawford commented on HIVE-3323:
---------------------------------------
While making a number of thrift-related change, I've found testing has been a
challenge because we didn't have a really comprehensive thrift struct with all
the field types we wanted to test. Part of this change is a new struct that
actually has an enum field, but also stuff like a binary field (which we now
see has basically the same issue as enum, where the HeapByteBuffer is treated
like a struct rather than byte[]), set fields (which I didn't realize until
recently are not supported, etc. Now we'll have visibility into this stuff and
can fix.
{code}
struct MegaStruct {
1: optional bool my_bool,
2: optional byte my_byte,
3: optional i16 my_16bit_int,
4: optional i32 my_32bit_int,
5: optional i64 my_64bit_int,
6: optional double my_double,
7: optional string my_string,
8: optional binary my_binary,
9: optional map<string, string> my_string_string_map,
10: optional map<string, MyEnum> my_string_enum_map,
11: optional map<MyEnum, string> my_enum_string_map,
12: optional map<MyEnum, MiniStruct> my_enum_struct_map,
13: optional map<MyEnum, list<string>> my_enum_stringlist_map,
14: optional map<MyEnum, list<MiniStruct>> my_enum_structlist_map,
15: optional list<string> my_stringlist,
16: optional list<MiniStruct> my_structlist,
17: optional list<MyEnum> my_enumlist,
18: optional set<string> my_stringset,
19: optional set<MyEnum> my_enumset,
20: optional set<MiniStruct> my_structset
}
{code}
> ThriftSerde: Enable enum to string conversions
> ----------------------------------------------
>
> Key: HIVE-3323
> URL: https://issues.apache.org/jira/browse/HIVE-3323
> Project: Hive
> Issue Type: Improvement
> Affects Versions: 0.10.0
> Reporter: Travis Crawford
> Assignee: Travis Crawford
> Attachments: HIVE-3323_enum_to_string.1.patch,
> HIVE-3323_enum_to_string.2.patch, HIVE-3323_enum_to_string.3.patch,
> HIVE-3323_enum_to_string.4.patch, HIVE-3323_enum_to_string.5.patch
>
>
> When using serde-reported schemas with the ThriftDeserializer, Enum fields
> are presented as {{struct<value:int>}}
> Many users expect to work with the string values, which is both easier and
> more meaningful as the string value communicates what is represented.
> Hive should provide a mechanism to optionally convert enum values to strings.
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