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https://issues.apache.org/jira/browse/HIVE-4703?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13868258#comment-13868258
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Andrew Otto commented on HIVE-4703:
-----------------------------------
I also have the same problem with an external table when using JSON SerDe.
I've tried Cloudera's as well as the one from HCatalog. Both have the same
behavior.
> Describe on a table returns "from deserializer" for column comments instead
> of values supplied in Create Table
> --------------------------------------------------------------------------------------------------------------
>
> Key: HIVE-4703
> URL: https://issues.apache.org/jira/browse/HIVE-4703
> Project: Hive
> Issue Type: Bug
> Affects Versions: 0.12.0
> Reporter: Eugene Koifman
> Attachments: webhcatMini.sh
>
>
> This causes Templeton e2e tests to fail.
> start WeHcat server (build/dist/hcatalog/sbin/webhcat_server.sh start)
> run commands in the attached webhcatMini.sh.
> It creates a table with some comments on columns.
> When executing describe (GET) on this table, original comments are lost and
> are replaced with "from deserializer" string.
> Here is the output of these commands:
> localhost:dev ekoifman$ webhcatMini.sh
> Running delete test_table ifExists
> HTTP/1.1 200 OK
> Set-Cookie:
> hadoop.auth="u=ekoifman&p=ekoifman&t=simple&e=1370945567179&s=vIBKhGQwzs5pPAY3IkhyPpDkWrY=";Version=1;Path=/;Discard
> Expires: Thu, 01 Jan 1970 00:00:00 GMT
> Content-Type: application/json
> Transfer-Encoding: chunked
> Server: Jetty(7.6.0.v20120127)
> {"table":"test_table","database":"default"}
> Running create test_table
> HTTP/1.1 200 OK
> Set-Cookie:
> hadoop.auth="u=ekoifman&p=ekoifman&t=simple&e=1370945569788&s=g37NbyyRnf667IciUiIpIQNYGOo=";Version=1;Path=/;Discard
> Expires: Thu, 01 Jan 1970 00:00:00 GMT
> Content-Type: application/json
> Transfer-Encoding: chunked
> Server: Jetty(7.6.0.v20120127)
> {"table":"test_table","database":"default"}
> Running describe test_table
> HTTP/1.1 200 OK
> Set-Cookie:
> hadoop.auth="u=ekoifman&p=ekoifman&t=simple&e=1370945572423&s=7kE1FOn1Co2JQzZfW0V1myqulw0=";Version=1;Path=/;Discard
> Expires: Thu, 01 Jan 1970 00:00:00 GMT
> Content-Type: application/json
> Transfer-Encoding: chunked
> Server: Jetty(7.6.0.v20120127)
> {"columns":[{"name":"int","comment":"from
> deserializer","type":"string"},{"name":"int2","comment":"from
> deserializer","type":"int"}],"database":"default","table":"test_table"}
> Mon Jun 10 17:12:55 PDT 2013
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