[jira] [Comment Edited] (CALCITE-1116) Extend simplify for reducing expressions

["Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CALCITE-1116?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15173683#comment-15173683 ] 

Jesus Camacho Rodriguez edited comment on CALCITE-1116 at 3/1/16 12:30 PM:
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Pull request in : https://github.com/apache/calcite/pull/202

[~julianhyde], as you have worked recently on the simplify methods, could you take a look? Thanks


was (Author: jcamachorodriguez):
Pull request in : https://github.com/apache/calcite/pull/202

[~julianhyde], as you work recently on the simplify methods, could you take a look? Thanks

> Extend simplify for reducing expressions
> ----------------------------------------
>
>                 Key: CALCITE-1116
>                 URL: https://issues.apache.org/jira/browse/CALCITE-1116
>             Project: Calcite
>          Issue Type: Bug
>          Components: core
>            Reporter: Jesus Camacho Rodriguez
>            Assignee: Jesus Camacho Rodriguez
>
> We would like to cover more cases in expression simplification, such as:
> x>5 and x is not null => x>5
> x>5 and x is null => not satisfiable
> x>5 and x<=5 => not satisfiable



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