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Improve performance of get_permissions when groups are involved.

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This commit is contained in:
Andrew McMillan 2008-01-23 10:48:33 +13:00
parent 86fc2b657c
commit 167c498c55
1 changed files with 4 additions and 1 deletions
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5
dba/caldav_functions.sql
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@ -249,7 +249,10 @@ BEGIN
SELECT rt1.confers, rt2.confers INTO out_confers, tmp_confers FROM relationship r1 JOIN relationship_type rt1 USING(rt_id)
JOIN relationship r2 ON r1.to_user=r2.from_user JOIN relationship_type rt2 ON r2.rt_id=rt2.rt_id
WHERE r1.from_user=in_from AND r2.to_user=in_to AND usr_is_role(r1.to_user,''Group'') AND NOT usr_is_role(r2.to_user,''Group'') AND NOT usr_is_role(r1.from_user,''Group'');
WHERE r1.from_user=in_from AND r2.to_user=in_to
AND EXISTS( SELECT 1 FROM role_member JOIN roles USING(role_no) WHERE role_member.user_no=r1.to_user AND roles.role_name=''Group'')
AND NOT EXISTS( SELECT 1 FROM role_member JOIN roles USING(role_no) WHERE role_member.user_no=r2.to_user AND roles.role_name=''Group'')
AND NOT EXISTS( SELECT 1 FROM role_member JOIN roles USING(role_no) WHERE role_member.user_no=r1.from_user AND roles.role_name=''Group'');
IF FOUND THEN
-- RAISE NOTICE ''Permissions to group % from group %'', out_confers, tmp_confers;