{"action":"created","issue":{"url":"https://api.github.com/repos/apache/spark/issues/10812","labels_url":"https://api.github.com/repos/apache/spark/issues/10812/labels{/name}","comments_url":"https://api.github.com/repos/apache/spark/issues/10812/comments","events_url":"https://api.github.com/repos/apache/spark/issues/10812/events","html_url":"https://github.com/apache/spark/pull/10812","id":127296146,"number":10812,"title":"[SPARK-12867] [SQL] Nullability of Intersect can be stricter","user":{"login":"gatorsmile","id":11567269,"avatar_url":"https://avatars.githubusercontent.com/u/11567269?v=3","gravatar_id":"","url":"https://api.github.com/users/gatorsmile","html_url":"https://github.com/gatorsmile","followers_url":"https://api.github.com/users/gatorsmile/followers","following_url":"https://api.github.com/users/gatorsmile/following{/other_user}","gists_url":"https://api.github.com/users/gatorsmile/gists{/gist_id}","starred_url":"https://api.github.com/users/gatorsmile/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/gatorsmile/subscriptions","organizations_url":"https://api.github.com/users/gatorsmile/orgs","repos_url":"https://api.github.com/users/gatorsmile/repos","events_url":"https://api.github.com/users/gatorsmile/events{/privacy}","received_events_url":"https://api.github.com/users/gatorsmile/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":6,"created_at":"2016-01-18T19:34:52Z","updated_at":"2016-01-19T04:11:46Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/apache/spark/pulls/10812","html_url":"https://github.com/apache/spark/pull/10812","diff_url":"https://github.com/apache/spark/pull/10812.diff","patch_url":"https://github.com/apache/spark/pull/10812.patch"},"body":"JIRA: https://issues.apache.org/jira/browse/SPARK-12867\r\n\r\nWhen intersecting one nullable column with one non-nullable column, the result will not contain any null. Thus, we can make nullability of `intersect` stricter. \r\n\r\n@liancheng Could you please check if the code changes are appropriate? Also added test cases to verify the results. Thanks!  "},"comment":{"url":"https://api.github.com/repos/apache/spark/issues/comments/172732208","html_url":"https://github.com/apache/spark/pull/10812#issuecomment-172732208","issue_url":"https://api.github.com/repos/apache/spark/issues/10812","id":172732208,"user":{"login":"SparkQA","id":8108735,"avatar_url":"https://avatars.githubusercontent.com/u/8108735?v=3","gravatar_id":"","url":"https://api.github.com/users/SparkQA","html_url":"https://github.com/SparkQA","followers_url":"https://api.github.com/users/SparkQA/followers","following_url":"https://api.github.com/users/SparkQA/following{/other_user}","gists_url":"https://api.github.com/users/SparkQA/gists{/gist_id}","starred_url":"https://api.github.com/users/SparkQA/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/SparkQA/subscriptions","organizations_url":"https://api.github.com/users/SparkQA/orgs","repos_url":"https://api.github.com/users/SparkQA/repos","events_url":"https://api.github.com/users/SparkQA/events{/privacy}","received_events_url":"https://api.github.com/users/SparkQA/received_events","type":"User","site_admin":false},"created_at":"2016-01-19T04:11:46Z","updated_at":"2016-01-19T04:11:46Z","body":"**[Test build #49660 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/49660/consoleFull)** for PR 10812 at commit [`84507c8`](https://github.com/apache/spark/commit/84507c83f7f5ec9379b00cb9c6ad8bc8ca9950ea)."}}