GUACAMOLE-220: Dynamically detect whether the MariaDB / MySQL server supports recursive CTEs.

This commit is contained in:
Michael Jumper
2018-09-08 18:11:36 -07:00
parent 204b6a4b24
commit dec7b3c340
8 changed files with 300 additions and 43 deletions

View File

@@ -65,43 +65,76 @@
<!-- Select names of all effective groups (including inherited) -->
<select id="selectEffectiveGroupIdentifiers" resultType="string">
WITH RECURSIVE related_entity(entity_id) AS (
SELECT
guacamole_user_group.entity_id
FROM guacamole_user_group
JOIN guacamole_user_group_member ON guacamole_user_group.user_group_id = guacamole_user_group_member.user_group_id
WHERE
<if test="!recursive">
SELECT
guacamole_entity.name
FROM guacamole_user_group
JOIN guacamole_entity ON guacamole_user_group.entity_id = guacamole_entity.entity_id
JOIN guacamole_user_group_member ON guacamole_user_group.user_group_id = guacamole_user_group_member.user_group_id
WHERE
guacamole_user_group.disabled = false
AND (
guacamole_user_group_member.member_entity_id = #{entity.entityID}
AND guacamole_user_group.disabled = false
<if test="!effectiveGroups.isEmpty()">
<if test="!effectiveGroups.isEmpty()">
OR guacamole_user_group_member.member_entity_id IN (
SELECT entity_id FROM guacamole_entity
WHERE type = 'USER_GROUP' AND name IN
<foreach collection="effectiveGroups" item="effectiveGroup"
open="(" separator="," close=")">
#{effectiveGroup,jdbcType=VARCHAR}
</foreach>
)
OR guacamole_user_group.entity_id IN (
SELECT entity_id FROM guacamole_entity
WHERE type = 'USER_GROUP' AND name IN
<foreach collection="effectiveGroups" item="effectiveGroup"
open="(" separator="," close=")">
#{effectiveGroup,jdbcType=VARCHAR}
</foreach>
)
</if>
)
</if>
<if test="recursive">
WITH RECURSIVE related_entity(entity_id) AS (
SELECT
guacamole_user_group.entity_id
FROM guacamole_user_group
JOIN guacamole_user_group_member ON guacamole_user_group.user_group_id = guacamole_user_group_member.user_group_id
WHERE
guacamole_user_group_member.member_entity_id = #{entity.entityID}
AND guacamole_user_group.disabled = false
<if test="!effectiveGroups.isEmpty()">
UNION
SELECT
guacamole_entity.entity_id
FROM guacamole_entity
JOIN guacamole_user_group ON guacamole_user_group.entity_id = guacamole_entity.entity_id
WHERE
type = 'USER_GROUP'
AND name IN
<foreach collection="effectiveGroups" item="effectiveGroup"
open="(" separator="," close=")">
#{effectiveGroup,jdbcType=VARCHAR}
</foreach>
AND guacamole_user_group.disabled = false
</if>
UNION
SELECT
guacamole_entity.entity_id
FROM guacamole_entity
JOIN guacamole_user_group ON guacamole_user_group.entity_id = guacamole_entity.entity_id
guacamole_user_group.entity_id
FROM related_entity
JOIN guacamole_user_group_member ON related_entity.entity_id = guacamole_user_group_member.member_entity_id
JOIN guacamole_user_group ON guacamole_user_group.user_group_id = guacamole_user_group_member.user_group_id
WHERE
type = 'USER_GROUP'
AND name IN
<foreach collection="effectiveGroups" item="effectiveGroup"
open="(" separator="," close=")">
#{effectiveGroup,jdbcType=VARCHAR}
</foreach>
AND guacamole_user_group.disabled = false
</if>
UNION
SELECT
guacamole_user_group.entity_id
FROM related_entity
JOIN guacamole_user_group_member ON related_entity.entity_id = guacamole_user_group_member.member_entity_id
JOIN guacamole_user_group ON guacamole_user_group.user_group_id = guacamole_user_group_member.user_group_id
WHERE
guacamole_user_group.disabled = false
)
SELECT name
FROM related_entity
JOIN guacamole_entity ON related_entity.entity_id = guacamole_entity.entity_id
WHERE
guacamole_entity.type = 'USER_GROUP';
guacamole_user_group.disabled = false
)
SELECT name
FROM related_entity
JOIN guacamole_entity ON related_entity.entity_id = guacamole_entity.entity_id
WHERE
guacamole_entity.type = 'USER_GROUP';
</if>
</select>