{"action":"opened","number":15754,"pull_request":{"url":"https://api.github.com/repos/apache/spark/pulls/15754","id":92201163,"html_url":"https://github.com/apache/spark/pull/15754","diff_url":"https://github.com/apache/spark/pull/15754.diff","patch_url":"https://github.com/apache/spark/pull/15754.patch","issue_url":"https://api.github.com/repos/apache/spark/issues/15754","number":15754,"state":"open","locked":false,"title":"[SPARK-18200][GRAPHX][FOLLOW-UP] Support zero as an initial capacity in 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pull request?\r\n\r\nThis is a folloup PR of #15741 in order to keep `nextPowerOf2` consistent.\r\n\r\n**Before**\r\n```\r\nnextPowerOf2(0) => 2\r\nnextPowerOf2(1) => 1\r\nnextPowerOf2(2) => 2\r\nnextPowerOf2(3) => 4\r\nnextPowerOf2(4) => 4\r\nnextPowerOf2(5) => 8\r\n```\r\n\r\n**After**\r\n```\r\nnextPowerOf2(0) => 1\r\nnextPowerOf2(1) => 1\r\nnextPowerOf2(2) => 2\r\nnextPowerOf2(3) => 4\r\nnextPowerOf2(4) => 4\r\nnextPowerOf2(5) => 8\r\n```\r\n\r\n## How was this patch tested?\r\n\r\nN/A","created_at":"2016-11-03T17:23:00Z","updated_at":"2016-11-03T17:23:00Z","closed_at":null,"merged_at":null,"merge_commit_sha":null,"assignee":null,"assignees":[],"milestone":null,"commits_url":"https://api.github.com/repos/apache/spark/pulls/15754/commits","review_comments_url":"https://api.github.com/repos/apache/spark/pulls/15754/comments","review_comment_url":"https://api.github.com/repos/apache/spark/pulls/comments{/number}","comments_url":"https://api.github.com/repos/apache/spark/issues/15754/comments","statuses_url":"https://api.github.com/repos/apache/spark/statuses/95ad7836c92c168c69234df0816bf3986b2d68cc","head":{"label":"dongjoon-hyun:SPARK-18200-2","ref":"SPARK-18200-2","sha":"95ad7836c92c168c69234df0816bf3986b2d68cc","user":{"login":"dongjoon-hyun","id":9700541,"avatar_url":"https://avatars.githubusercontent.com/u/9700541?v=3","gravatar_id":"","url":"https://api.github.com/users/dongjoon-hyun","html_url":"https://github.com/dongjoon-hyun","followers_url":"https://api.github.com/users/dongjoon-hyun/followers","following_url":"https://api.github.com/users/dongjoon-hyun/following{/other_user}","gists_url":"https://api.github.com/users/dongjoon-hyun/gists{/gist_id}","starred_url":"https://api.github.com/users/dongjoon-hyun/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dongjoon-hyun/subscriptions","organizations_url":"https://api.github.com/users/dongjoon-hyun/orgs","repos_url":"https://api.github.com/users/dongjoon-hyun/repos","events_url":"https://api.github.com/users/dongjoon-hyun/events{/privacy}","received_events_url":"https://api.github.com/users/dongjoon-hyun/received_events","type":"User","site_admin":false},"repo":{"id":28900400,"name":"spark","full_name":"dongjoon-hyun/spark","owner":{"login":"dongjoon-hyun","id":9700541,"avatar_url":"https://avatars.githubusercontent.com/u/9700541?v=3","gravatar_id":"","url":"https://api.github.com/users/dongjoon-hyun","html_url":"https://github.com/dongjoon-hyun","followers_url":"https://api.github.com/users/dongjoon-hyun/followers","following_url":"https://api.github.com/users/dongjoon-hyun/following{/other_user}","gists_url":"https://api.github.com/users/dongjoon-hyun/gists{/gist_id}","starred_url":"https://api.github.com/users/dongjoon-hyun/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dongjoon-hyun/subscriptions","organizations_url":"https://api.github.com/users/dongjoon-hyun/orgs","repos_url":"https://api.github.com/users/dongjoon-hyun/repos","events_url":"https://api.github.com/users/dongjoon-hyun/events{/privacy}","received_events_url":"https://api.github.com/users/dongjoon-hyun/received_events","type":"User","site_admin":false},"private":false,"html_url":"https://github.com/dongjoon-hyun/spark","description":"Mirror 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