LP#1200735: improve performance of patron search by username

This patch adds an additional index on actor.usr.usrname.

Signed-off-by: Galen Charlton <gmc@esilibrary.com>
Signed-off-by: Bill Erickson <berick@esilibrary.com>

diff --git a/Open-ILS/src/sql/Pg/005.schema.actors.sql b/Open-ILS/src/sql/Pg/005.schema.actors.sql
index f27af04..d9ea689 100644 (file)
--- a/Open-ILS/src/sql/Pg/005.schema.actors.sql
+++ b/Open-ILS/src/sql/Pg/005.schema.actors.sql
@@ -83,6 +83,7 @@ CREATE INDEX actor_usr_first_given_name_idx ON actor.usr (evergreen.lowercase(fi
 CREATE INDEX actor_usr_second_given_name_idx ON actor.usr (evergreen.lowercase(second_given_name));
 CREATE INDEX actor_usr_family_name_idx ON actor.usr (evergreen.lowercase(family_name));
 
+CREATE INDEX actor_usr_usrname_idx ON actor.usr (evergreen.lowercase(usrname));
 CREATE INDEX actor_usr_email_idx ON actor.usr (evergreen.lowercase(email));
 
 CREATE INDEX actor_usr_day_phone_idx ON actor.usr (evergreen.lowercase(day_phone));

diff --git a/Open-ILS/src/sql/Pg/upgrade/XXXX.schema.usrname_index.sql b/Open-ILS/src/sql/Pg/upgrade/XXXX.schema.usrname_index.sql
new file mode 100644 (file)
index 0000000..288b43a
--- /dev/null
+++ b/Open-ILS/src/sql/Pg/upgrade/XXXX.schema.usrname_index.sql
@@ -0,0 +1,11 @@
+-- Evergreen DB patch XXXX.schema.usrname_index.sql
+--
+-- Create search index on actor.usr.usrname
+--
+BEGIN;
+
+SELECT evergreen.upgrade_deps_block_check('XXXX', :eg_version);
+
+CREATE INDEX actor_usr_usrname_idx ON actor.usr (evergreen.lowercase(usrname));
+
+COMMIT;