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From "Till (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (ASTERIXDB-1638) Print the retainMissing flag for SelectOperator if the flag is true
Date Thu, 15 Sep 2016 23:00:24 GMT

     [ https://issues.apache.org/jira/browse/ASTERIXDB-1638?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Till updated ASTERIXDB-1638:
----------------------------
    Labels: soon  (was: so)

> Print the retainMissing flag for SelectOperator if the flag is true
> -------------------------------------------------------------------
>
>                 Key: ASTERIXDB-1638
>                 URL: https://issues.apache.org/jira/browse/ASTERIXDB-1638
>             Project: Apache AsterixDB
>          Issue Type: Bug
>            Reporter: Yingyi Bu
>            Assignee: Yingyi Bu
>            Priority: Minor
>              Labels: soon
>
> There is a retainMissing flag in the select operator. That's set to be true for the select
operator that results from an index left outer join rewriting, e.g.:
> select (function-call: algebricks:and, Args:[function-call: algebricks:neq, Args:[%0->$$26,
%0->$$25], function-call: asterix:get-item, Args:[function-call: asterix:similarity-jaccard-check,
Args:[%0->$$29, %0->$$30, AFloat:
> {0.6}], AInt64: {0}]]) – |LOCAL|
> It would be helpful to print that flag in the plan, e.g.:
> select *[retainMissing=true]* (function-call: algebricks:and, Args:[function-call: algebricks:neq,
Args:[%0->$$26, %0->$$25], function-call: asterix:get-item, Args:[function-call: asterix:similarity-jaccard-check,
Args:[%0->$$29, %0->$$30, AFloat: {0.6}
> ], AInt64:
> {0}
> ]]) – |LOCAL|



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