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https://issues.apache.org/jira/browse/FLINK-22009?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17310600#comment-17310600
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ying zhang commented on FLINK-22009:
------------------------------------
!image-2021-03-29-19-37-30-286.png!
MAP<STRING, FLOAT> and union operation has this error too
> Unsupported type Map<String, String> when union two Hive tables
> ---------------------------------------------------------------
>
> Key: FLINK-22009
> URL: https://issues.apache.org/jira/browse/FLINK-22009
> Project: Flink
> Issue Type: Bug
> Components: Connectors / Hive
> Affects Versions: 1.12.0
> Reporter: ying zhang
> Priority: Major
> Attachments: image-2021-03-29-15-45-48-627.png,
> image-2021-03-29-19-37-30-286.png
>
>
> I create 2 tables which contains data type map,but i flind i cannot union two
> tables，is there any solutions to solve this problem？
> !image-2021-03-29-15-45-48-627.png!
>
>
>
>
> this is the create table statements：
> CREATE TABLE `map_string_string1`(
> `query` string,
> `wid` string,
> `index` int,
> `page` string,
> `hc_cid1` string,
> `hc_cid2` string,
> `hc_cid3` string,
> `cid1` string,
> `cid2` string,
> `cid3` string,
> `ts` bigint,
> `number_feature` map<string,string>)
> PARTITIONED BY (
> `dt` string)
> ROW FORMAT DELIMITED
> FIELDS TERMINATED BY '\t'
> LINES TERMINATED BY '\n'
> STORED AS INPUTFORMAT
> 'org.apache.hadoop.hive.ql.io.orc.OrcInputFormat'
> OUTPUTFORMAT
> 'org.apache.hadoop.hive.ql.io.orc.OrcOutputFormat'
>
>
> CREATE TABLE `map_string_string2`(
> `query` string,
> `wid` string,
> `index` int,
> `page` string,
> `hc_cid1` string,
> `hc_cid2` string,
> `hc_cid3` string,
> `cid1` string,
> `cid2` string,
> `cid3` string,
> `ts` bigint,
> `number_feature` map<string,string>)
> PARTITIONED BY (
> `dt` string)
> ROW FORMAT DELIMITED
> FIELDS TERMINATED BY '\t'
> LINES TERMINATED BY '\n'
> STORED AS INPUTFORMAT
> 'org.apache.hadoop.hive.ql.io.orc.OrcInputFormat'
> OUTPUTFORMAT
> 'org.apache.hadoop.hive.ql.io.orc.OrcOutputFormat'
>
>
>
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