LP#144716: add an index on authority.simple_heading.record

This index is needed so that full table scans on ash aren't
needed during authority record reingest.

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

diff --git a/Open-ILS/src/sql/Pg/011.schema.authority.sql b/Open-ILS/src/sql/Pg/011.schema.authority.sql
index bb4aca0..0cb742f 100644 (file)
--- a/Open-ILS/src/sql/Pg/011.schema.authority.sql
+++ b/Open-ILS/src/sql/Pg/011.schema.authority.sql
@@ -316,6 +316,7 @@ CREATE TRIGGER authority_simple_heading_fti_trigger
 CREATE INDEX authority_simple_heading_index_vector_idx ON authority.simple_heading USING GIST (index_vector);
 CREATE INDEX authority_simple_heading_value_idx ON authority.simple_heading (value);
 CREATE INDEX authority_simple_heading_sort_value_idx ON authority.simple_heading (sort_value);
+CREATE INDEX authority_simple_heading_record_idx ON authority.simple_heading (record);
 
 CREATE OR REPLACE FUNCTION authority.simple_heading_set( marcxml TEXT ) RETURNS SETOF authority.simple_heading AS $func$
 DECLARE

diff --git a/Open-ILS/src/sql/Pg/upgrade/XXXX.schema.index_ash_record.sql b/Open-ILS/src/sql/Pg/upgrade/XXXX.schema.index_ash_record.sql
new file mode 100644 (file)
index 0000000..cd0aa25
--- /dev/null
+++ b/Open-ILS/src/sql/Pg/upgrade/XXXX.schema.index_ash_record.sql
@@ -0,0 +1,9 @@
+-- index authority.simple_heading.record so that reingesting
+-- authority records does not require a sequential scan of ash
+BEGIN;
+
+SELECT evergreen.upgrade_deps_block_check('XXXX', :eg_version);
+
+CREATE INDEX authority_simple_heading_record_idx ON authority.simple_heading (record);
+
+COMMIT;