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Optimize document fetching SQL

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Removed redundant sub-query to speed up fetching of documents by space.

There is no cross-tenant leak of information with this change.
This commit is contained in:
Harvey Kandola 2018-12-13 12:25:53 +00:00
parent f442081a41
commit 8d525ce733
1 changed files with 9 additions and 8 deletions
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17
domain/document/store.go
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@ -81,17 +81,15 @@ func (s Store) GetBySpace(ctx domain.RequestContext, spaceID string) (documents
c_versionorder AS versionorder, c_groupid AS groupid, c_created AS created, c_revised AS revised
FROM dmz_doc
WHERE c_orgid=? AND c_template=false AND c_spaceid IN
(SELECT c_refid FROM dmz_space WHERE c_orgid=? AND c_refid IN
(SELECT c_refid FROM dmz_permission WHERE c_orgid=? AND c_location='space' AND c_refid=? AND c_refid IN
(SELECT c_refid from dmz_permission WHERE c_orgid=? AND c_who='user' AND (c_whoid=? OR c_whoid='0') AND c_location='space' AND c_action='view'
UNION ALL
SELECT p.c_refid from dmz_permission p LEFT JOIN dmz_group_member r ON p.c_whoid=r.c_groupid WHERE p.c_orgid=?
AND p.c_who='role' AND p.c_location='space' AND p.c_refid=? AND p.c_action='view' AND (r.c_userid=? OR r.c_userid='0')
)
(SELECT c_refid FROM dmz_permission WHERE c_orgid=? AND c_location='space' AND c_refid=? AND c_refid IN
(SELECT c_refid from dmz_permission WHERE c_orgid=? AND c_who='user' AND (c_whoid=? OR c_whoid='0') AND c_location='space' AND c_action='view'
UNION ALL
SELECT p.c_refid from dmz_permission p LEFT JOIN dmz_group_member r ON p.c_whoid=r.c_groupid WHERE p.c_orgid=?
AND p.c_who='role' AND p.c_location='space' AND p.c_refid=? AND p.c_action='view' AND (r.c_userid=? OR r.c_userid='0')
)
)
ORDER BY c_name, c_versionorder`),
ctx.OrgID, ctx.OrgID, ctx.OrgID, spaceID, ctx.OrgID, ctx.UserID, ctx.OrgID, spaceID, ctx.UserID)
ctx.OrgID, ctx.OrgID, spaceID, ctx.OrgID, ctx.UserID, ctx.OrgID, spaceID, ctx.UserID)
if err == sql.ErrNoRows {
err = nil
@ -100,6 +98,9 @@ func (s Store) GetBySpace(ctx domain.RequestContext, spaceID string) (documents
err = errors.Wrap(err, "select documents by space")
}
// (SELECT c_refid FROM dmz_space WHERE c_orgid=? AND c_refid IN
// )
return
}