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GUACAMOLE-394: Cover both main object ID and "start_date" columns with an index for sake of correlated MAX(start_date) history queries.

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This commit is contained in:
Michael Jumper
2017-12-11 23:11:57 -08:00
parent 58054719b3
commit dbd5b98250
5 changed files with 31 additions and 0 deletions
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6
extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-postgresql/schema/001-create-schema.sql
View File

@@ -438,6 +438,9 @@ CREATE INDEX guacamole_connection_history_start_date
CREATE INDEX guacamole_connection_history_end_date
ON guacamole_connection_history(end_date);
CREATE INDEX guacamole_connection_history_connection_id_start_date
ON guacamole_connection_history(connection_id, start_date);
--
-- User login/logout history
--
@@ -468,6 +471,9 @@ CREATE INDEX guacamole_user_history_start_date
CREATE INDEX guacamole_user_history_end_date
ON guacamole_user_history(end_date);
CREATE INDEX guacamole_user_history_user_id_start_date
ON guacamole_user_history(user_id, start_date);
--
-- User password history
--

10
extensions/guacamole-auth-jdbc/modules/guacamole-auth-jdbc-postgresql/schema/upgrade/upgrade-pre-0.9.14.sql
View File

@@ -38,6 +38,13 @@ ALTER TABLE guacamole_connection
ALTER TABLE guacamole_connection_history
ADD COLUMN remote_host VARCHAR(256) DEFAULT NULL;
--
-- Add covering index for connection history connection and start date
--
CREATE INDEX guacamole_connection_history_connection_id_start_date
ON guacamole_connection_history(connection_id, start_date);
--
-- User login/logout history
--
@@ -67,3 +74,6 @@ CREATE INDEX guacamole_user_history_start_date
CREATE INDEX guacamole_user_history_end_date
ON guacamole_user_history(end_date);
CREATE INDEX guacamole_user_history_user_id_start_date
ON guacamole_user_history(user_id, start_date);