[jira] [Comment Edited] (CALCITE-3679) Allow lambda expressions in SQL queries

["Ritesh (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CALCITE-3679?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17019561#comment-17019561 ] 

Ritesh edited comment on CALCITE-3679 at 1/20/20 3:49 PM:
----------------------------------------------------------

Lambda expressions POC is mostly completed, Also, Able to resolve lambda parameters in expression, But still unable to resolve parent scope variables in expression. Any pointers would be helpful :)

Working example
{code:java}
map_filter(map[1, 2, 5, 4], (a,b)->a>b)
{code}
 


was (Author: ritesh.kapoor):
Lambda expressions POC is mostly completed, Able to resolve lambda parameters in expression, But still unable to resolve parent scope variables in expression. Any pointers would be helpful :)

> Allow lambda expressions in SQL queries
> ---------------------------------------
>
>                 Key: CALCITE-3679
>                 URL: https://issues.apache.org/jira/browse/CALCITE-3679
>             Project: Calcite
>          Issue Type: New Feature
>            Reporter: Ritesh
>            Assignee: Ritesh
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: [CALCITE-3679]_Basic_implementation.patch
>
>          Time Spent: 1h 20m
>  Remaining Estimate: 0h
>
> [https://teradata.github.io/presto/docs/0.167-t/functions/lambda.html]



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