[jira] [Updated] (OAK-2341) Use approx counters property index costs even when path restriction is available

["Vikas Saurabh (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OAK-2341?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vikas Saurabh updated OAK-2341:
-------------------------------
    Issue Type: Improvement  (was: Bug)

> Use approx counters property index costs even when path restriction is available
> --------------------------------------------------------------------------------
>
>                 Key: OAK-2341
>                 URL: https://issues.apache.org/jira/browse/OAK-2341
>             Project: Jackrabbit Oak
>          Issue Type: Improvement
>    Affects Versions: 1.1.3
>            Reporter: Vikas Saurabh
>
> Currently, cost calculation of property index follows following psuedo-code:
> * For "is not null" case:
> ## return {{entryCount}} || approximate counted indexed nodes
> ## if above doesn't work out, do a partial traversal and return extrapolated cost
> * For property in (a, b, ...) or property==value case:
> ## return {{entryCount}}/{{keyCount}} || approximate counted index nodes for each key (a, b, etc)
> ## if above doesn't work out, do a partial traversal over whole indexed tree or sub-tree (if path restriction is available) and return extrapolated cost
> approx counter on index is used only if {{entryCount}} property is missing in index definition node.
> The issue in step 1 in both cases is that it doesn't consider path restriction if it's given in the query.
> The only place where path restriction is being considered is in case2->step2.



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