{"action":"created","issue":{"url":"https://api.github.com/repos/apache/carbondata/issues/2990","repository_url":"https://api.github.com/repos/apache/carbondata","labels_url":"https://api.github.com/repos/apache/carbondata/issues/2990/labels{/name}","comments_url":"https://api.github.com/repos/apache/carbondata/issues/2990/comments","events_url":"https://api.github.com/repos/apache/carbondata/issues/2990/events","html_url":"https://github.com/apache/carbondata/pull/2990","id":391075753,"node_id":"MDExOlB1bGxSZXF1ZXN0MjM4NjkzNTAy","number":2990,"title":"[CARBONDATA-3149]Support alter table column rename","user":{"login":"akashrn5","id":21074821,"node_id":"MDQ6VXNlcjIxMDc0ODIx","avatar_url":"https://avatars0.githubusercontent.com/u/21074821?v=4","gravatar_id":"","url":"https://api.github.com/users/akashrn5","html_url":"https://github.com/akashrn5","followers_url":"https://api.github.com/users/akashrn5/followers","following_url":"https://api.github.com/users/akashrn5/following{/other_user}","gists_url":"https://api.github.com/users/akashrn5/gists{/gist_id}","starred_url":"https://api.github.com/users/akashrn5/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/akashrn5/subscriptions","organizations_url":"https://api.github.com/users/akashrn5/orgs","repos_url":"https://api.github.com/users/akashrn5/repos","events_url":"https://api.github.com/users/akashrn5/events{/privacy}","received_events_url":"https://api.github.com/users/akashrn5/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":52,"created_at":"2018-12-14T11:35:15Z","updated_at":"2018-12-20T14:37:27Z","closed_at":null,"author_association":"CONTRIBUTOR","pull_request":{"url":"https://api.github.com/repos/apache/carbondata/pulls/2990","html_url":"https://github.com/apache/carbondata/pull/2990","diff_url":"https://github.com/apache/carbondata/pull/2990.diff","patch_url":"https://github.com/apache/carbondata/pull/2990.patch"},"body":"### Why this PR?\r\nThis PR is to support column rename feature in carbondata. Carbon already supports datatype change, alter table add column and drop column. This PR uses same DDL as datatype change and supports the column rename.\r\n\r\nAny column canbe renamed, since the same DDL is used for rename adn datatype change, both operation can be done together, during that case, the datatupe change validation and limitation remains the same as before\r\n\r\n\r\nBe sure to do all of the following checklist to help us incorporate \r\nyour contribution quickly and easily:\r\n\r\n - [x] Any interfaces changed?\r\n Existing alter datatype change DDL is used for column rename also\r\nExample:\r\nALTER TABLE table_name CHANGE [COLUMN] col_old_name col_new_name column_type;\r\n`Alter table t1 CHANGE column1 newcolumn1 String`\r\n\r\n - [x] Any backward compatibility impacted?\r\n NA\r\n - [x] Document update required?\r\nWill be done in new PR\r\n - [x] Testing done\r\nadded UT and tested in cluster\r\n        Please provide details on \r\n        - Whether new unit test cases have been added or why no new tests are required?\r\n        - How it is tested? Please attach test report.\r\n        - Is it a performance related change? Please attach the performance test report.\r\n        - Any additional information to help reviewers in testing this change.\r\n       \r\n - [x] For large changes, please consider breaking it into sub-tasks under an umbrella JIRA. \r\nNA\r\n"},"comment":{"url":"https://api.github.com/repos/apache/carbondata/issues/comments/449019476","html_url":"https://github.com/apache/carbondata/pull/2990#issuecomment-449019476","issue_url":"https://api.github.com/repos/apache/carbondata/issues/2990","id":449019476,"node_id":"MDEyOklzc3VlQ29tbWVudDQ0OTAxOTQ3Ng==","user":{"login":"CarbonDataQA","id":24402133,"node_id":"MDQ6VXNlcjI0NDAyMTMz","avatar_url":"https://avatars0.githubusercontent.com/u/24402133?v=4","gravatar_id":"","url":"https://api.github.com/users/CarbonDataQA","html_url":"https://github.com/CarbonDataQA","followers_url":"https://api.github.com/users/CarbonDataQA/followers","following_url":"https://api.github.com/users/CarbonDataQA/following{/other_user}","gists_url":"https://api.github.com/users/CarbonDataQA/gists{/gist_id}","starred_url":"https://api.github.com/users/CarbonDataQA/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/CarbonDataQA/subscriptions","organizations_url":"https://api.github.com/users/CarbonDataQA/orgs","repos_url":"https://api.github.com/users/CarbonDataQA/repos","events_url":"https://api.github.com/users/CarbonDataQA/events{/privacy}","received_events_url":"https://api.github.com/users/CarbonDataQA/received_events","type":"User","site_admin":false},"created_at":"2018-12-20T14:37:27Z","updated_at":"2018-12-20T14:37:27Z","author_association":"NONE","body":"Build Failed  with Spark 2.3.2, Please check CI http://136.243.101.176:8080/job/carbondataprbuilder2.3/10135/\n"}}
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