{"action":"created","issue":{"url":"https://api.github.com/repos/apache/spark/issues/20938","repository_url":"https://api.github.com/repos/apache/spark","labels_url":"https://api.github.com/repos/apache/spark/issues/20938/labels{/name}","comments_url":"https://api.github.com/repos/apache/spark/issues/20938/comments","events_url":"https://api.github.com/repos/apache/spark/issues/20938/events","html_url":"https://github.com/apache/spark/pull/20938","id":309836943,"number":20938,"title":"[SPARK-23821][SQL] Collection function: flatten","user":{"login":"mn-mikke","id":3674621,"avatar_url":"https://avatars3.githubusercontent.com/u/3674621?v=4","gravatar_id":"","url":"https://api.github.com/users/mn-mikke","html_url":"https://github.com/mn-mikke","followers_url":"https://api.github.com/users/mn-mikke/followers","following_url":"https://api.github.com/users/mn-mikke/following{/other_user}","gists_url":"https://api.github.com/users/mn-mikke/gists{/gist_id}","starred_url":"https://api.github.com/users/mn-mikke/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mn-mikke/subscriptions","organizations_url":"https://api.github.com/users/mn-mikke/orgs","repos_url":"https://api.github.com/users/mn-mikke/repos","events_url":"https://api.github.com/users/mn-mikke/events{/privacy}","received_events_url":"https://api.github.com/users/mn-mikke/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":3,"created_at":"2018-03-29T17:19:39Z","updated_at":"2018-03-30T18:25:44Z","closed_at":null,"author_association":"NONE","pull_request":{"url":"https://api.github.com/repos/apache/spark/pulls/20938","html_url":"https://github.com/apache/spark/pull/20938","diff_url":"https://github.com/apache/spark/pull/20938.diff","patch_url":"https://github.com/apache/spark/pull/20938.patch"},"body":"## What changes were proposed in this pull request?\r\n\r\nThis PR adds a new collection function that transforms an array of arrays into a single array. The PR comprises:\r\n- An expression for flattening array structure\r\n- Flatten function\r\n- A wrapper for PySpark\r\n\r\n## How was this patch tested?\r\n\r\nNew tests added into:\r\n- CollectionExpressionsSuite\r\n- DataFrameFunctionsSuite"},"comment":{"url":"https://api.github.com/repos/apache/spark/issues/comments/377589733","html_url":"https://github.com/apache/spark/pull/20938#issuecomment-377589733","issue_url":"https://api.github.com/repos/apache/spark/issues/20938","id":377589733,"user":{"login":"AmplabJenkins","id":4031291,"avatar_url":"https://avatars3.githubusercontent.com/u/4031291?v=4","gravatar_id":"","url":"https://api.github.com/users/AmplabJenkins","html_url":"https://github.com/AmplabJenkins","followers_url":"https://api.github.com/users/AmplabJenkins/followers","following_url":"https://api.github.com/users/AmplabJenkins/following{/other_user}","gists_url":"https://api.github.com/users/AmplabJenkins/gists{/gist_id}","starred_url":"https://api.github.com/users/AmplabJenkins/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/AmplabJenkins/subscriptions","organizations_url":"https://api.github.com/users/AmplabJenkins/orgs","repos_url":"https://api.github.com/users/AmplabJenkins/repos","events_url":"https://api.github.com/users/AmplabJenkins/events{/privacy}","received_events_url":"https://api.github.com/users/AmplabJenkins/received_events","type":"User","site_admin":false},"created_at":"2018-03-30T18:25:44Z","updated_at":"2018-03-30T18:25:44Z","author_association":"NONE","body":"Merged build finished. Test FAILed."}}
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