{"action":"created","issue":{"url":"https://api.github.com/repos/apache/spark/issues/22749","repository_url":"https://api.github.com/repos/apache/spark","labels_url":"https://api.github.com/repos/apache/spark/issues/22749/labels{/name}","comments_url":"https://api.github.com/repos/apache/spark/issues/22749/comments","events_url":"https://api.github.com/repos/apache/spark/issues/22749/events","html_url":"https://github.com/apache/spark/pull/22749","id":370670885,"node_id":"MDExOlB1bGxSZXF1ZXN0MjIzMjk2NTQ4","number":22749,"title":"[WIP][SPARK-25746][SQL] Refactoring ExpressionEncoder to get rid of flat flag","user":{"login":"viirya","id":68855,"node_id":"MDQ6VXNlcjY4ODU1","avatar_url":"https://avatars1.githubusercontent.com/u/68855?v=4","gravatar_id":"","url":"https://api.github.com/users/viirya","html_url":"https://github.com/viirya","followers_url":"https://api.github.com/users/viirya/followers","following_url":"https://api.github.com/users/viirya/following{/other_user}","gists_url":"https://api.github.com/users/viirya/gists{/gist_id}","starred_url":"https://api.github.com/users/viirya/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/viirya/subscriptions","organizations_url":"https://api.github.com/users/viirya/orgs","repos_url":"https://api.github.com/users/viirya/repos","events_url":"https://api.github.com/users/viirya/events{/privacy}","received_events_url":"https://api.github.com/users/viirya/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":1,"created_at":"2018-10-16T15:30:10Z","updated_at":"2018-10-16T15:38:40Z","closed_at":null,"author_association":"CONTRIBUTOR","pull_request":{"url":"https://api.github.com/repos/apache/spark/pulls/22749","html_url":"https://github.com/apache/spark/pull/22749","diff_url":"https://github.com/apache/spark/pull/22749.diff","patch_url":"https://github.com/apache/spark/pull/22749.patch"},"body":"## What changes were proposed in this pull request?\r\n\r\nThis is inspired during implementing #21732. For now `ScalaReflection` needs to consider how `ExpressionEncoder` uses generated serializers and deserializers. And `ExpressionEncoder` has a weird `flat` flag. After discussion with @cloud-fan, it seems to be better to refactor `ExpressionEncoder`. It should make SPARK-24762 easier to do.\r\n\r\n## How was this patch tested?\r\n\r\nExisting tests."},"comment":{"url":"https://api.github.com/repos/apache/spark/issues/comments/430286818","html_url":"https://github.com/apache/spark/pull/22749#issuecomment-430286818","issue_url":"https://api.github.com/repos/apache/spark/issues/22749","id":430286818,"node_id":"MDEyOklzc3VlQ29tbWVudDQzMDI4NjgxOA==","user":{"login":"SparkQA","id":8108735,"node_id":"MDQ6VXNlcjgxMDg3MzU=","avatar_url":"https://avatars1.githubusercontent.com/u/8108735?v=4","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":"2018-10-16T15:38:40Z","updated_at":"2018-10-16T15:38:40Z","author_association":"NONE","body":"**[Test build #97460 has started](https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder/97460/testReport)** for PR 22749 at commit [`84f3ce0`](https://github.com/apache/spark/commit/84f3ce07f2f6a9236bd27f927fbb877e937f6917)."}}
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