From 672c73587086fd3e3453e53bdde5576b6af4b820 Mon Sep 17 00:00:00 2001
From: dbs <dbs@dcc99617-32d9-48b4-a31d-7c20da2025e4>
Date: Fri, 2 Oct 2009 06:04:34 +0000
Subject: [PATCH] Add a "complete subject" index to support searches of
 compound subjects composed of topic + temporal + geographic headings

Prior to this patch, searches for compound subjects had to be targeted against the keywords index


git-svn-id: svn://svn.open-ils.org/ILS/trunk@14250 dcc99617-32d9-48b4-a31d-7c20da2025e4
---
 Open-ILS/src/sql/Pg/002.schema.config.sql          |  2 +-
 Open-ILS/src/sql/Pg/950.data.seed-values.sql       |  2 ++
 .../Pg/upgrade/0030.data.flat-subject-entries.sql  | 32 ++++++++++++++++++++++
 3 files changed, 35 insertions(+), 1 deletion(-)
 create mode 100644 Open-ILS/src/sql/Pg/upgrade/0030.data.flat-subject-entries.sql

diff --git a/Open-ILS/src/sql/Pg/002.schema.config.sql b/Open-ILS/src/sql/Pg/002.schema.config.sql
index ee60ad3a1..78899b833 100644
--- a/Open-ILS/src/sql/Pg/002.schema.config.sql
+++ b/Open-ILS/src/sql/Pg/002.schema.config.sql
@@ -51,7 +51,7 @@ CREATE TABLE config.upgrade_log (
     install_date    TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
 );
 
-INSERT INTO config.upgrade_log (version) VALUES ('0029'); -- berick
+INSERT INTO config.upgrade_log (version) VALUES ('0030'); -- dbs
 
 CREATE TABLE config.bib_source (
 	id		SERIAL	PRIMARY KEY,
diff --git a/Open-ILS/src/sql/Pg/950.data.seed-values.sql b/Open-ILS/src/sql/Pg/950.data.seed-values.sql
index f28c76d3a..1239c1c3a 100644
--- a/Open-ILS/src/sql/Pg/950.data.seed-values.sql
+++ b/Open-ILS/src/sql/Pg/950.data.seed-values.sql
@@ -43,6 +43,8 @@ INSERT INTO config.metabib_field ( field_class, name, format, xpath ) VALUES
 --  ( field_class, name, xpath ) VALUES ( 'subject', 'genre', 'mods32', $$//mods32:mods/mods32:genre$$ );
 INSERT INTO config.metabib_field ( field_class, name, format, xpath ) VALUES 
     ( 'keyword', 'keyword', 'mods32', $$//mods32:mods/*[not(local-name()='originInfo')]$$ ); -- /* to fool vim */;
+INSERT INTO config.metabib_field (field_class, name, format, xpath ) VALUES
+    ( 'subject', 'complete', 'mods32', $$//mods32:mods/mods32:subject//text()$$ );
 
 INSERT INTO config.non_cataloged_type ( id, owning_lib, name ) VALUES ( 1, 1, oils_i18n_gettext(1, 'Paperback Book', 'cnct', 'name') );
 SELECT SETVAL('config.non_cataloged_type_id_seq'::TEXT, 100);
diff --git a/Open-ILS/src/sql/Pg/upgrade/0030.data.flat-subject-entries.sql b/Open-ILS/src/sql/Pg/upgrade/0030.data.flat-subject-entries.sql
new file mode 100644
index 000000000..1fcab40ec
--- /dev/null
+++ b/Open-ILS/src/sql/Pg/upgrade/0030.data.flat-subject-entries.sql
@@ -0,0 +1,32 @@
+BEGIN;
+
+-- Generate the equivalent of compound subject entries from the existing rows
+-- so that we don't have to laboriously reindex them
+
+INSERT INTO config.upgrade_log (version) VALUES ('0030'); -- dbs
+
+INSERT INTO config.metabib_field (field_class, name, format, xpath ) VALUES
+    ( 'subject', 'complete', 'mods32', $$//mods32:mods/mods32:subject//text()$$ );
+
+INSERT INTO metabib.subject_field_entry (source, field, value)
+    SELECT source, (
+            SELECT id 
+            FROM config.metabib_field
+            WHERE field_class = 'subject' AND name = 'complete'
+        ), 
+        ARRAY_TO_STRING ( 
+            ARRAY (
+                SELECT value 
+                FROM metabib.subject_field_entry msfe
+                WHERE msfe.source = groupee.source
+                ORDER BY source 
+            ), ' ' 
+        ) AS grouped
+    FROM ( 
+        SELECT source
+        FROM metabib.subject_field_entry
+        GROUP BY source
+    ) AS groupee
+    ORDER BY source;
+
+COMMIT;
-- 
2.11.0