[jira] [Commented] (HIVE-2206) add a new optimizer for query correlation discovery and optimization

[ https://issues.apache.org/jira/browse/HIVE-2206?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13480878#comment-13480878 ] alex gemini commented on HIVE-2206: --- Did this jira have a short version description? I

[jira] [Created] (HIVE-3585) Integrate Trevni as another columnar oriented file format

alex gemini created HIVE-3585: - Summary: Integrate Trevni as another columnar oriented file format Key: HIVE-3585 URL: https://issues.apache.org/jira/browse/HIVE-3585 Project: Hive Issue Type:

[jira] [Commented] (HIVE-3472) Build An Analytical SQL Engine for MapReduce

[ https://issues.apache.org/jira/browse/HIVE-3472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13475080#comment-13475080 ] alex gemini commented on HIVE-3472: --- It's seems there're two unrelated issues we

[jira] [Commented] (HIVE-3561) Build a full SQL-compliant parser for Hive

[ https://issues.apache.org/jira/browse/HIVE-3561?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13475092#comment-13475092 ] alex gemini commented on HIVE-3561: --- why we need a full sql-compliant parser? what

[jira] [Commented] (HIVE-3086) Skewed Join Optimization

[ https://issues.apache.org/jira/browse/HIVE-3086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13428568#comment-13428568 ] alex gemini commented on HIVE-3086: --- @Yongqiang We don't need hint here,the above

[jira] [Commented] (HIVE-3086) Skewed Join Optimization

[ https://issues.apache.org/jira/browse/HIVE-3086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13401262#comment-13401262 ] alex gemini commented on HIVE-3086: --- the design is very complicated IMO,what if we have a

[jira] [Commented] (HIVE-3086) Skewed Join Optimization

[ https://issues.apache.org/jira/browse/HIVE-3086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13401939#comment-13401939 ] alex gemini commented on HIVE-3086: --- for a big table logs(userid,region,timestamps,url)

[jira] [Commented] (HIVE-3086) Skewed Join Optimization

[ https://issues.apache.org/jira/browse/HIVE-3086?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13401945#comment-13401945 ] alex gemini commented on HIVE-3086: --- maybe what we want is dynamic change our partition

[jira] [Commented] (HIVE-2882) Problem with Hive using JDBC

[ https://issues.apache.org/jira/browse/HIVE-2882?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13261399#comment-13261399 ] alex gemini commented on HIVE-2882: --- hive didn't support cursor in JDBC world.if you

[jira] [Commented] (HIVE-2980) Show a warning or an error when the data directory is empty or not existing

[ https://issues.apache.org/jira/browse/HIVE-2980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13261263#comment-13261263 ] alex gemini commented on HIVE-2980: --- I think this maybe relevant to the table or

[jira] [Commented] (HIVE-2980) Show a warning or an error when the data directory is empty or not existing

[ https://issues.apache.org/jira/browse/HIVE-2980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13261266#comment-13261266 ] alex gemini commented on HIVE-2980: --- and maybe this will help stats gather,if table or