{"action":"created","comment":{"url":"https://api.github.com/repos/apache/spark/pulls/comments/57793412","id":57793412,"diff_hunk":"@@ -107,7 +107,8 @@ statement\n     | DROP TEMPORARY? FUNCTION (IF EXISTS)? qualifiedName              #dropFunction\n     | EXPLAIN explainOption* statement                                 #explain\n     | SHOW TABLES ((FROM | IN) db=identifier)?\n-        (LIKE (qualifiedName | pattern=STRING))?                       #showTables\n+        (LIKE? (qualifiedName | pattern=STRING))?                       #showTables","path":"sql/catalyst/src/main/antlr4/org/apache/spark/sql/catalyst/parser/ng/SqlBase.g4","position":5,"original_position":5,"commit_id":"b66f16e25d1208150e0f0fd507d98b51328cd485","original_commit_id":"b66f16e25d1208150e0f0fd507d98b51328cd485","user":{"login":"dilipbiswal","id":14225158,"avatar_url":"https://avatars.githubusercontent.com/u/14225158?v=3","gravatar_id":"","url":"https://api.github.com/users/dilipbiswal","html_url":"https://github.com/dilipbiswal","followers_url":"https://api.github.com/users/dilipbiswal/followers","following_url":"https://api.github.com/users/dilipbiswal/following{/other_user}","gists_url":"https://api.github.com/users/dilipbiswal/gists{/gist_id}","starred_url":"https://api.github.com/users/dilipbiswal/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dilipbiswal/subscriptions","organizations_url":"https://api.github.com/users/dilipbiswal/orgs","repos_url":"https://api.github.com/users/dilipbiswal/repos","events_url":"https://api.github.com/users/dilipbiswal/events{/privacy}","received_events_url":"https://api.github.com/users/dilipbiswal/received_events","type":"User","site_admin":false},"body":"Will fix it.","created_at":"2016-03-29T20:22:58Z","updated_at":"2016-03-29T20:22:58Z","html_url":"https://github.com/apache/spark/pull/11991#discussion_r57793412","pull_request_url":"https://api.github.com/repos/apache/spark/pulls/11991","_links":{"self":{"href":"https://api.github.com/repos/apache/spark/pulls/comments/57793412"},"html":{"href":"https://github.com/apache/spark/pull/11991#discussion_r57793412"},"pull_request":{"href":"https://api.github.com/repos/apache/spark/pulls/11991"}}},"pull_request":{"url":"https://api.github.com/repos/apache/spark/pulls/11991","id":64284922,"html_url":"https://github.com/apache/spark/pull/11991","diff_url":"https://github.com/apache/spark/pull/11991.diff","patch_url":"https://github.com/apache/spark/pull/11991.patch","issue_url":"https://api.github.com/repos/apache/spark/issues/11991","number":11991,"state":"open","locked":false,"title":"[SPARK-14184][SQL] Support native execution of SHOW DATABASE command and fix SHOW TABLE to use table identifier pattern","user":{"login":"dilipbiswal","id":14225158,"avatar_url":"https://avatars.githubusercontent.com/u/14225158?v=3","gravatar_id":"","url":"https://api.github.com/users/dilipbiswal","html_url":"https://github.com/dilipbiswal","followers_url":"https://api.github.com/users/dilipbiswal/followers","following_url":"https://api.github.com/users/dilipbiswal/following{/other_user}","gists_url":"https://api.github.com/users/dilipbiswal/gists{/gist_id}","starred_url":"https://api.github.com/users/dilipbiswal/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dilipbiswal/subscriptions","organizations_url":"https://api.github.com/users/dilipbiswal/orgs","repos_url":"https://api.github.com/users/dilipbiswal/repos","events_url":"https://api.github.com/users/dilipbiswal/events{/privacy}","received_events_url":"https://api.github.com/users/dilipbiswal/received_events","type":"User","site_admin":false},"body":"## What changes were proposed in this pull request?\r\n\r\nThis PR addresses the following\r\n\r\n1. Supports native execution of SHOW DATABASES command\r\n2. Fixes SHOW TABLES to apply the identifier_with_wildcards pattern if supplied.\r\n\r\nSHOW TABLE syntax\r\n```\r\nSHOW TABLES [IN database_name] ['identifier_with_wildcards'];\r\n```\r\nSHOW DATABASES syntax\r\n```\r\nSHOW (DATABASES|SCHEMAS) [LIKE 'identifier_with_wildcards'];\r\n```\r\n\r\n## How was this patch tested?\r\nTests added in SQLQuerySuite (both hive and sql contexts) and DDLCommandSuite\r\n\r\nNote: Since the table name pattern was not working , tests are added in both SQLQuerySuite to\r\nverify the application of the table pattern.\r\n\r\n","created_at":"2016-03-28T03:03:40Z","updated_at":"2016-03-29T20:22:58Z","closed_at":null,"merged_at":null,"merge_commit_sha":"e5dc95836bf10c7b4ca6b8f1d17360fdcdcefd6f","assignee":null,"milestone":null,"commits_url":"https://api.github.com/repos/apache/spark/pulls/11991/commits","review_comments_url":"https://api.github.com/repos/apache/spark/pulls/11991/comments","review_comment_url":"https://api.github.com/repos/apache/spark/pulls/comments{/number}","comments_url":"https://api.github.com/repos/apache/spark/issues/11991/comments","statuses_url":"https://api.github.com/repos/apache/spark/statuses/b66f16e25d1208150e0f0fd507d98b51328cd485","head":{"label":"dilipbiswal:dkb_show_database","ref":"dkb_show_database","sha":"b66f16e25d1208150e0f0fd507d98b51328cd485","user":{"login":"dilipbiswal","id":14225158,"avatar_url":"https://avatars.githubusercontent.com/u/14225158?v=3","gravatar_id":"","url":"https://api.github.com/users/dilipbiswal","html_url":"https://github.com/dilipbiswal","followers_url":"https://api.github.com/users/dilipbiswal/followers","following_url":"https://api.github.com/users/dilipbiswal/following{/other_user}","gists_url":"https://api.github.com/users/dilipbiswal/gists{/gist_id}","starred_url":"https://api.github.com/users/dilipbiswal/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dilipbiswal/subscriptions","organizations_url":"https://api.github.com/users/dilipbiswal/orgs","repos_url":"https://api.github.com/users/dilipbiswal/repos","events_url":"https://api.github.com/users/dilipbiswal/events{/privacy}","received_events_url":"https://api.github.com/users/dilipbiswal/received_events","type":"User","site_admin":false},"repo":{"id":42921897,"name":"spark","full_name":"dilipbiswal/spark","owner":{"login":"dilipbiswal","id":14225158,"avatar_url":"https://avatars.githubusercontent.com/u/14225158?v=3","gravatar_id":"","url":"https://api.github.com/users/dilipbiswal","html_url":"https://github.com/dilipbiswal","followers_url":"https://api.github.com/users/dilipbiswal/followers","following_url":"https://api.github.com/users/dilipbiswal/following{/other_user}","gists_url":"https://api.github.com/users/dilipbiswal/gists{/gist_id}","starred_url":"https://api.github.com/users/dilipbiswal/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dilipbiswal/subscriptions","organizations_url":"https://api.github.com/users/dilipbiswal/orgs","repos_url":"https://api.github.com/users/dilipbiswal/repos","events_url":"https://api.github.com/users/dilipbiswal/events{/privacy}","received_events_url":"https://api.github.com/users/dilipbiswal/received_events","type":"User","site_admin":false},"private":false,"html_url":"https://github.com/dilipbiswal/spark","description":"Mirror 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