LP#800706: add index to serial.record_entry.record

This patch adds index on the record column of serial.record_entry,
which can improve performance when displaying record details pages
in databases that have a large number MFHDs.

Signed-off-by: Galen Charlton <gmc@esilibrary.com>
Signed-off-by: Jason Stephenson <jstephenson@mvlc.org>

diff --git a/Open-ILS/src/sql/Pg/210.schema.serials.sql b/Open-ILS/src/sql/Pg/210.schema.serials.sql
index 620d57e..2e5af44 100644 (file)
--- a/Open-ILS/src/sql/Pg/210.schema.serials.sql
+++ b/Open-ILS/src/sql/Pg/210.schema.serials.sql
@@ -20,6 +20,7 @@ CREATE TABLE serial.record_entry (
        marc            TEXT,
        last_xact_id    TEXT            NOT NULL
 );
+CREATE INDEX serial_record_entry_record_idx ON serial.record_entry ( record );
 CREATE INDEX serial_record_entry_creator_idx ON serial.record_entry ( creator );
 CREATE INDEX serial_record_entry_editor_idx ON serial.record_entry ( editor );
 CREATE INDEX serial_record_entry_owning_lib_idx ON serial.record_entry ( owning_lib, deleted );

diff --git a/Open-ILS/src/sql/Pg/upgrade/XXXX.schema.index-record-in-sre.sql b/Open-ILS/src/sql/Pg/upgrade/XXXX.schema.index-record-in-sre.sql
new file mode 100644 (file)
index 0000000..aea7e08
--- /dev/null
+++ b/Open-ILS/src/sql/Pg/upgrade/XXXX.schema.index-record-in-sre.sql
@@ -0,0 +1,9 @@
+-- index serial.record_entry.record
+
+BEGIN;
+
+-- SELECT evergreen.upgrade_deps_block_check('XXXX', :eg_version);
+
+CREATE INDEX serial_record_entry_record_idx ON serial.record_entry ( record );
+
+COMMIT;