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From "Lars Hofhansl (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (PHOENIX-5112) Simplify QueryPlan selection in Phoenix.
Date Sat, 25 May 2019 01:57:00 GMT

     [ https://issues.apache.org/jira/browse/PHOENIX-5112?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lars Hofhansl reassigned PHOENIX-5112:
--------------------------------------

    Assignee: Lars Hofhansl

> Simplify QueryPlan selection in Phoenix.
> ----------------------------------------
>
>                 Key: PHOENIX-5112
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-5112
>             Project: Phoenix
>          Issue Type: Improvement
>    Affects Versions: 4.15.0, 5.1.0
>            Reporter: Lars Hofhansl
>            Assignee: Lars Hofhansl
>            Priority: Major
>             Fix For: 4.15.0, 5.1.0
>
>         Attachments: 5112-master.txt, 5112-master.txt
>
>
> Brought to light in part in PHOENIX-5109, plan selection in Phoenix is too complicated
with its logic spread over multiple areas. My recent changes let most index through the initial
filters and next step is to put all the logic in {{QueryOptimizer.orderPlansBestToWorst}}.
> One exception is plans with global indexes for queries with uncovered queries, those
should still be handled in {{addPlan}}.



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