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https://issues.apache.org/jira/browse/SYNCOPE-1502?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Francesco Chicchiriccò resolved SYNCOPE-1502.
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Resolution: Fixed
> Find Anys using FIQL: SQL improvements
> --------------------------------------
>
> Key: SYNCOPE-1502
> URL: https://issues.apache.org/jira/browse/SYNCOPE-1502
> Project: Syncope
> Issue Type: Improvement
> Components: core
> Affects Versions: 2.1.5
> Reporter: Dmitriy B.
> Assignee: Francesco Chicchiriccò
> Priority: Major
> Fix For: 2.1.6, 3.0.0
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> PR contains improvements when Anys are searched using FIQL queries:
> The resulted SQL query that finds any_to_keys can have a huge list with OR
> clauses for effective realms. This can be replaced to the IN clause.
> {code:sql}
> SELECT u.any_id,sv.username FROM (SELECT DISTINCT any_id FROM user_search
> WHERE (realm_id=? AND any_id IN ( SELECT DISTINCT any_id FROM user_search
> WHERE lastChangeDate<=?))) u,user_search sv WHERE u.any_id=sv.any_id AND
> u.any_id IN (SELECT any_id FROM user_search WHERE realm_id IN (SELECT id AS
> realm_id FROM Realm WHERE id=? OR id=? OR id=? OR id=? OR id=? OR id=? OR
> id=? OR id=? OR id=? OR id=? OR id=? OR id=? OR id=? OR id=? OR id=? OR id=?
> OR id=? OR id=? OR id=? OR id=? OR id=? OR id=? OR id=? OR id=? OR id=? OR
> id=? OR id=? OR id=? OR id=?)) ORDER BY sv.username ASC
> {code}
> When anys are searched by keys a lot of single sql queries are executed. This
> can be improved using single SQL query with In clause.
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