{"action":"created","comment":{"url":"https://api.github.com/repos/prestodb/presto/pulls/comments/75449825","id":75449825,"diff_hunk":"@@ -223,18 +240,137 @@ private PlanBuilder appendSubqueryApplyNode(PlanBuilder subPlan, Expression subq\n         }\n         else {\n             return new PlanBuilder(translations,\n-                    // TODO handle parameter list\n                     new ApplyNode(idAllocator.getNextId(),\n                             root,\n                             subqueryNode,\n-                            ImmutableList.of()),\n+                            ImmutableList.copyOf(correlation.values())),\n                     subPlan.getSampleWeight());\n         }\n     }\n \n+    private Map<Expression, Symbol> extractCorrelation(PlanBuilder subPlan, PlanNode subquery)\n+    {\n+        Set<Expression> missingReferences = extractMissingExpressions(subquery);\n+        ImmutableMap.Builder<Expression, Symbol> correlation = ImmutableMap.builder();\n+        if (!missingReferences.isEmpty()) {\n+            for (Expression missingReference : missingReferences) {\n+                Expression rewritten = subPlan.rewrite(missingReference);","path":"presto-main/src/main/java/com/facebook/presto/sql/planner/SubqueryPlanner.java","position":104,"original_position":104,"commit_id":"41a65747edae2712f16a960d1daea18268354ed1","original_commit_id":"be3728570cdc71937cdf50549e6820dc60408bcf","user":{"login":"kokosing","id":7569403,"avatar_url":"https://avatars.githubusercontent.com/u/7569403?v=3","gravatar_id":"","url":"https://api.github.com/users/kokosing","html_url":"https://github.com/kokosing","followers_url":"https://api.github.com/users/kokosing/followers","following_url":"https://api.github.com/users/kokosing/following{/other_user}","gists_url":"https://api.github.com/users/kokosing/gists{/gist_id}","starred_url":"https://api.github.com/users/kokosing/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kokosing/subscriptions","organizations_url":"https://api.github.com/users/kokosing/orgs","repos_url":"https://api.github.com/users/kokosing/repos","events_url":"https://api.github.com/users/kokosing/events{/privacy}","received_events_url":"https://api.github.com/users/kokosing/received_events","type":"User","site_admin":false},"body":"done","created_at":"2016-08-19T09:09:40Z","updated_at":"2016-08-19T09:09:40Z","html_url":"https://github.com/prestodb/presto/pull/5687#discussion_r75449825","pull_request_url":"https://api.github.com/repos/prestodb/presto/pulls/5687","_links":{"self":{"href":"https://api.github.com/repos/prestodb/presto/pulls/comments/75449825"},"html":{"href":"https://github.com/prestodb/presto/pull/5687#discussion_r75449825"},"pull_request":{"href":"https://api.github.com/repos/prestodb/presto/pulls/5687"}}},"pull_request":{"url":"https://api.github.com/repos/prestodb/presto/pulls/5687","id":77773281,"html_url":"https://github.com/prestodb/presto/pull/5687","diff_url":"https://github.com/prestodb/presto/pull/5687.diff","patch_url":"https://github.com/prestodb/presto/pull/5687.patch","issue_url":"https://api.github.com/repos/prestodb/presto/issues/5687","number":5687,"state":"open","locked":false,"title":"Update correlation in Apply node","user":{"login":"kokosing","id":7569403,"avatar_url":"https://avatars.githubusercontent.com/u/7569403?v=3","gravatar_id":"","url":"https://api.github.com/users/kokosing","html_url":"https://github.com/kokosing","followers_url":"https://api.github.com/users/kokosing/followers","following_url":"https://api.github.com/users/kokosing/following{/other_user}","gists_url":"https://api.github.com/users/kokosing/gists{/gist_id}","starred_url":"https://api.github.com/users/kokosing/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kokosing/subscriptions","organizations_url":"https://api.github.com/users/kokosing/orgs","repos_url":"https://api.github.com/users/kokosing/repos","events_url":"https://api.github.com/users/kokosing/events{/privacy}","received_events_url":"https://api.github.com/users/kokosing/received_events","type":"User","site_admin":false},"body":"    Update correlation in Apply node\r\n    \r\n    All the column references of subquery plan which are not resolved (do\r\n    not come from subquery relations) are collected. SubqueryPlanner check\r\n    if it is able to rewrite such references to symbol produced by its\r\n    relation, if it is able then add replace column reference with that\r\n    symbol and that this symbol to the correlation list of Apply node. If\r\n    SubqueryPlanner is not able to rewrite that column reference, then it is\r\n    assumed the outer SubqueryPlanner execution will do that. If there is no\r\n    outer SubqueryPlanner then SemanticException should be thrown.\r\n","created_at":"2016-07-18T08:27:24Z","updated_at":"2016-08-19T09:09:40Z","closed_at":null,"merged_at":null,"merge_commit_sha":"2cf7d0d7cde6aee690e223cd458e720059b91f32","assignee":{"login":"kokosing","id":7569403,"avatar_url":"https://avatars.githubusercontent.com/u/7569403?v=3","gravatar_id":"","url":"https://api.github.com/users/kokosing","html_url":"https://github.com/kokosing","followers_url":"https://api.github.com/users/kokosing/followers","following_url":"https://api.github.com/users/kokosing/following{/other_user}","gists_url":"https://api.github.com/users/kokosing/gists{/gist_id}","starred_url":"https://api.github.com/users/kokosing/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kokosing/subscriptions","organizations_url":"https://api.github.com/users/kokosing/orgs","repos_url":"https://api.github.com/users/kokosing/repos","events_url":"https://api.github.com/users/kokosing/events{/privacy}","received_events_url":"https://api.github.com/users/kokosing/received_events","type":"User","site_admin":false},"assignees":[{"login":"kokosing","id":7569403,"avatar_url":"https://avatars.githubusercontent.com/u/7569403?v=3","gravatar_id":"","url":"https://api.github.com/users/kokosing","html_url":"https://github.com/kokosing","followers_url":"https://api.github.com/users/kokosing/followers","following_url":"https://api.github.com/users/kokosing/following{/other_user}","gists_url":"https://api.github.com/users/kokosing/gists{/gist_id}","starred_url":"https://api.github.com/users/kokosing/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kokosing/subscriptions","organizations_url":"https://api.github.com/users/kokosing/orgs","repos_url":"https://api.github.com/users/kokosing/repos","events_url":"https://api.github.com/users/kokosing/events{/privacy}","received_events_url":"https://api.github.com/users/kokosing/received_events","type":"User","site_admin":false}],"milestone":null,"commits_url":"https://api.github.com/repos/prestodb/presto/pulls/5687/commits","review_comments_url":"https://api.github.com/repos/prestodb/presto/pulls/5687/comments","review_comment_url":"https://api.github.com/repos/prestodb/presto/pulls/comments{/number}","comments_url":"https://api.github.com/repos/prestodb/presto/issues/5687/comments","statuses_url":"https://api.github.com/repos/prestodb/presto/statuses/41a65747edae2712f16a960d1daea18268354ed1","head":{"label":"Teradata:feature_correlation","ref":"feature_correlation","sha":"41a65747edae2712f16a960d1daea18268354ed1","user":{"login":"Teradata","id":1615979,"avatar_url":"https://avatars.githubusercontent.com/u/1615979?v=3","gravatar_id":"","url":"https://api.github.com/users/Teradata","html_url":"https://github.com/Teradata","followers_url":"https://api.github.com/users/Teradata/followers","following_url":"https://api.github.com/users/Teradata/following{/other_user}","gists_url":"https://api.github.com/users/Teradata/gists{/gist_id}","starred_url":"https://api.github.com/users/Teradata/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Teradata/subscriptions","organizations_url":"https://api.github.com/users/Teradata/orgs","repos_url":"https://api.github.com/users/Teradata/repos","events_url":"https://api.github.com/users/Teradata/events{/privacy}","received_events_url":"https://api.github.com/users/Teradata/received_events","type":"Organization","site_admin":false},"repo":{"id":36903368,"name":"presto","full_name":"Teradata/presto","owner":{"login":"Teradata","id":1615979,"avatar_url":"https://avatars.githubusercontent.com/u/1615979?v=3","gravatar_id":"","url":"https://api.github.com/users/Teradata","html_url":"https://github.com/Teradata","followers_url":"https://api.github.com/users/Teradata/followers","following_url":"https://api.github.com/users/Teradata/following{/other_user}","gists_url":"https://api.github.com/users/Teradata/gists{/gist_id}","starred_url":"https://api.github.com/users/Teradata/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Teradata/subscriptions","organizations_url":"https://api.github.com/users/Teradata/orgs","repos_url":"https://api.github.com/users/Teradata/repos","events_url":"https://api.github.com/users/Teradata/events{/privacy}","received_events_url":"https://api.github.com/users/Teradata/received_events","type":"Organization","site_admin":false},"private":false,"html_url":"https://github.com/Teradata/presto","description":"Teradata 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