[open-ils-commits] r19902 - in branches/rel_2_0/Open-ILS/src/sql/Pg: . upgrade (miker)

[svn at svn.open-ils.org]

Author: miker
Date: 2011-03-29 14:00:02 -0400 (Tue, 29 Mar 2011)
New Revision: 19902

Added:
   branches/rel_2_0/Open-ILS/src/sql/Pg/upgrade/0505.schema.force_facets_to_NFC.sql
Modified:
   branches/rel_2_0/Open-ILS/src/sql/Pg/002.functions.config.sql
   branches/rel_2_0/Open-ILS/src/sql/Pg/002.schema.config.sql
   branches/rel_2_0/Open-ILS/src/sql/Pg/030.schema.metabib.sql
Log:
Force facet values to Unicode NFC to reduce spurious non-matches

Modified: branches/rel_2_0/Open-ILS/src/sql/Pg/002.functions.config.sql
===================================================================
--- branches/rel_2_0/Open-ILS/src/sql/Pg/002.functions.config.sql	2011-03-29 17:57:25 UTC (rev 19901)
+++ branches/rel_2_0/Open-ILS/src/sql/Pg/002.functions.config.sql	2011-03-29 18:00:02 UTC (rev 19902)
@@ -482,6 +482,11 @@
 END;
 $func$ LANGUAGE PLPGSQL;
 
+CREATE OR REPLACE FUNCTION force_unicode_normal_form(string TEXT, form TEXT) RETURNS TEXT AS $func$
+use Unicode::Normalize 'normalize';
+return normalize($_[1],$_[0]); # reverse the params
+$func$ LANGUAGE PLPERLU;
+
 CREATE OR REPLACE FUNCTION maintain_control_numbers() RETURNS TRIGGER AS $func$
 use strict;
 use MARC::Record;

Modified: branches/rel_2_0/Open-ILS/src/sql/Pg/002.schema.config.sql
===================================================================
--- branches/rel_2_0/Open-ILS/src/sql/Pg/002.schema.config.sql	2011-03-29 17:57:25 UTC (rev 19901)
+++ branches/rel_2_0/Open-ILS/src/sql/Pg/002.schema.config.sql	2011-03-29 18:00:02 UTC (rev 19902)
@@ -70,7 +70,7 @@
     install_date    TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
 );
 
-INSERT INTO config.upgrade_log (version) VALUES ('0502'); -- dbwells
+INSERT INTO config.upgrade_log (version) VALUES ('0505'); -- miker
 
 CREATE TABLE config.bib_source (
 	id		SERIAL	PRIMARY KEY,

Modified: branches/rel_2_0/Open-ILS/src/sql/Pg/030.schema.metabib.sql
===================================================================
--- branches/rel_2_0/Open-ILS/src/sql/Pg/030.schema.metabib.sql	2011-03-29 17:57:25 UTC (rev 19901)
+++ branches/rel_2_0/Open-ILS/src/sql/Pg/030.schema.metabib.sql	2011-03-29 18:00:02 UTC (rev 19902)
@@ -135,7 +135,17 @@
 CREATE INDEX metabib_facet_entry_value_idx ON metabib.facet_entry (SUBSTRING(value,1,1024));
 CREATE INDEX metabib_facet_entry_source_idx ON metabib.facet_entry (source);
 
+CREATE OR REPLACE FUNCTION facet_force_nfc() RETURNS TRIGGER AS $$
+BEGIN
+    NEW.value := force_unicode_normal_form(NEW.value,'NFC');
+    RETURN NEW;
+END;
+$$ LANUAGE PLPGSQL;
 
+CREATE TRIGGER facet_force_nfc_tgr
+	BEFORE UPDATE OR INSERT ON metabib.facet_entry
+	FOR EACH ROW EXECUTE PROCEDURE facet_force_nfc();
+
 CREATE TABLE metabib.rec_descriptor (
 	id		BIGSERIAL PRIMARY KEY,
 	record		BIGINT,

Copied: branches/rel_2_0/Open-ILS/src/sql/Pg/upgrade/0505.schema.force_facets_to_NFC.sql (from rev 19899, trunk/Open-ILS/src/sql/Pg/upgrade/0505.schema.force_facets_to_NFC.sql)
===================================================================
--- branches/rel_2_0/Open-ILS/src/sql/Pg/upgrade/0505.schema.force_facets_to_NFC.sql	                        (rev 0)
+++ branches/rel_2_0/Open-ILS/src/sql/Pg/upgrade/0505.schema.force_facets_to_NFC.sql	2011-03-29 18:00:02 UTC (rev 19902)
@@ -0,0 +1,24 @@
+BEGIN;
+
+INSERT INTO config.upgrade_log (version) VALUES ('0505'); --miker
+
+CREATE OR REPLACE FUNCTION force_unicode_normal_form(string TEXT, form TEXT) RETURNS TEXT AS $func$
+use Unicode::Normalize 'normalize';
+return normalize($_[1],$_[0]); # reverse the params
+$func$ LANGUAGE PLPERLU;
+
+UPDATE metabib.facet_entry SET value = force_unicode_normal_form(value,'NFC');
+
+CREATE OR REPLACE FUNCTION facet_force_nfc() RETURNS TRIGGER AS $$
+BEGIN
+    NEW.value := force_unicode_normal_form(NEW.value,'NFC');
+    RETURN NEW;
+END;
+$$ LANUAGE PLPGSQL;
+
+CREATE TRIGGER facet_force_nfc_tgr
+	BEFORE UPDATE OR INSERT ON metabib.facet_entry
+	FOR EACH ROW EXECUTE PROCEDURE facet_force_nfc();
+
+COMMIT;
+