Dmitriy B. created SYNCOPE-1502:
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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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