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From "Dmitriy B. (Jira)" <j...@apache.org>
Subject [jira] [Created] (SYNCOPE-1502) Find anytos using FIQL: SQL improvements
Date Wed, 09 Oct 2019 13:47:00 GMT
Dmitriy B. created SYNCOPE-1502:
-----------------------------------

             Summary: Find anytos 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.


PR contains improvements when AnyTOs 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 any tos are searched by keys a lot of single sql queries are executes. This can be improved
using single SQL query with In clause.



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