{"action":"created","comment":{"url":"https://api.github.com/repos/apache/spark/pulls/comments/58308017","id":58308017,"diff_hunk":"@@ -374,6 +374,52 @@ case class ShowDatabasesCommand(databasePattern: Option[String]) extends Runnabl\n }\n \n /**\n+ * A command for users to list the properties for a table.\n+ * If propertyKey is specified, the value for the propertyKey\n+ * is returned. If propertyKey is not specified, all the keys\n+ * and their corresponding values are returned.\n+ * The syntax of using this command in SQL is:\n+ * {{{\n+ *   SHOW TBLPROPERTIES table_name[('propertyKey')];\n+ * }}}\n+ */\n+case class ShowTablePropertiesCommand(\n+    table: TableIdentifier,\n+    propertyKey: Option[String]) extends RunnableCommand {\n+\n+  override val output: Seq[Attribute] = {\n+    val withKeySchema: Seq[Attribute] = {\n+      AttributeReference(\"value\", StringType, nullable = false)() :: Nil\n+    }\n+    val noKeySchema: Seq[Attribute] = {\n+      AttributeReference(\"key\", StringType, nullable = false)() ::\n+        AttributeReference(\"value\", StringType, nullable = false)() :: Nil\n+    }\n+    propertyKey.map(p => withKeySchema).getOrElse(noKeySchema)\n+  }\n+\n+  override def run(sqlContext: SQLContext): Seq[Row] = {\n+    val catalog = sqlContext.sessionState.catalog\n+\n+    if (catalog.isTemporaryTable(table)) {\n+      throw new AnalysisException(\"This operation is unsupported for temporary tables\")","path":"sql/core/src/main/scala/org/apache/spark/sql/execution/command/commands.scala","position":41,"original_position":41,"commit_id":"8ab51ea3152b945f84b59f36013931da0f78f5fb","original_commit_id":"8ab51ea3152b945f84b59f36013931da0f78f5fb","user":{"login":"hvanhovell","id":9616802,"avatar_url":"https://avatars.githubusercontent.com/u/9616802?v=3","gravatar_id":"","url":"https://api.github.com/users/hvanhovell","html_url":"https://github.com/hvanhovell","followers_url":"https://api.github.com/users/hvanhovell/followers","following_url":"https://api.github.com/users/hvanhovell/following{/other_user}","gists_url":"https://api.github.com/users/hvanhovell/gists{/gist_id}","starred_url":"https://api.github.com/users/hvanhovell/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/hvanhovell/subscriptions","organizations_url":"https://api.github.com/users/hvanhovell/orgs","repos_url":"https://api.github.com/users/hvanhovell/repos","events_url":"https://api.github.com/users/hvanhovell/events{/privacy}","received_events_url":"https://api.github.com/users/hvanhovell/received_events","type":"User","site_admin":false},"body":"Yeah, you are right. We could also return an empty seq.","created_at":"2016-04-03T10:20:12Z","updated_at":"2016-04-03T10:20:12Z","html_url":"https://github.com/apache/spark/pull/12133#discussion_r58308017","pull_request_url":"https://api.github.com/repos/apache/spark/pulls/12133","_links":{"self":{"href":"https://api.github.com/repos/apache/spark/pulls/comments/58308017"},"html":{"href":"https://github.com/apache/spark/pull/12133#discussion_r58308017"},"pull_request":{"href":"https://api.github.com/repos/apache/spark/pulls/12133"}}},"pull_request":{"url":"https://api.github.com/repos/apache/spark/pulls/12133","id":65049272,"html_url":"https://github.com/apache/spark/pull/12133","diff_url":"https://github.com/apache/spark/pull/12133.diff","patch_url":"https://github.com/apache/spark/pull/12133.patch","issue_url":"https://api.github.com/repos/apache/spark/issues/12133","number":12133,"state":"open","locked":false,"title":"[SPARK-14348][SQL] Support native execution of SHOW TBLPROPERTIES command","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 adds Native execution of SHOW TBLPROPERTIES command.\r\n\r\nCommand Syntax:\r\n``` SQL\r\nSHOW TBLPROPERTIES table_name[(property_key_literal)]\r\n```\r\n## How was this patch tested?\r\n\r\nTests added in HiveComandSuiie and DDLCommandSuite\r\n\r\n","created_at":"2016-04-02T20:33:09Z","updated_at":"2016-04-03T10:20:12Z","closed_at":null,"merged_at":null,"merge_commit_sha":"8cc2c70cf06cb42a1e631ff0288af3af7a7a2d20","assignee":null,"milestone":null,"commits_url":"https://api.github.com/repos/apache/spark/pulls/12133/commits","review_comments_url":"https://api.github.com/repos/apache/spark/pulls/12133/comments","review_comment_url":"https://api.github.com/repos/apache/spark/pulls/comments{/number}","comments_url":"https://api.github.com/repos/apache/spark/issues/12133/comments","statuses_url":"https://api.github.com/repos/apache/spark/statuses/8ab51ea3152b945f84b59f36013931da0f78f5fb","head":{"label":"dilipbiswal:dkb_show_tblproperties","ref":"dkb_show_tblproperties","sha":"8ab51ea3152b945f84b59f36013931da0f78f5fb","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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