From: Mike Rylander <mrylander@gmail.com>
Date: Mon, 9 May 2011 22:19:19 +0000 (-0400)
Subject: Variant of authority.normalize_heading which ignores thesaurus for comparing slim... 
X-Git-Url: https://old-git.evergreen-ils.org/?a=commitdiff_plain;h=36c64ccf37bb8e245c84cfb79ffc549bde59346b;p=evergreen%2Fpines.git

Variant of authority.normalize_heading which ignores thesaurus for comparing slim auth records generated from bibs
---

diff --git a/Open-ILS/src/sql/Pg/011.schema.authority.sql b/Open-ILS/src/sql/Pg/011.schema.authority.sql
index 72d31f6590..9d595fc396 100644
--- a/Open-ILS/src/sql/Pg/011.schema.authority.sql
+++ b/Open-ILS/src/sql/Pg/011.schema.authority.sql
@@ -129,7 +129,7 @@ CREATE INDEX authority_full_rec_value_tpo_index ON authority.full_rec (value tex
 -- CREATE UNIQUE INDEX unique_by_heading_and_thesaurus
 --   ON authority.record_entry (authority.normalize_heading(marc))
 --   WHERE deleted IS FALSE or deleted = FALSE;
-CREATE OR REPLACE FUNCTION authority.normalize_heading( marcxml TEXT ) RETURNS TEXT AS $func$
+CREATE OR REPLACE FUNCTION authority.normalize_heading( marcxml TEXT, no_thesaurus BOOL ) RETURNS TEXT AS $func$
 DECLARE
     acsaf           authority.control_set_authority_field%ROWTYPE;
     tag_used        TEXT;
@@ -162,7 +162,11 @@ BEGIN
     END LOOP;
 
     IF heading_text <> '' THEN
-        heading_text := tag_used || '_' || thes_code || ' ' || public.naco_normalize(heading_text);
+        IF no_thesaurus IS TRUE THEN
+            heading_text := tag_used || ' ' || public.naco_normalize(heading_text);
+        ELSE
+            heading_text := tag_used || '_' || thes_code || ' ' || public.naco_normalize(heading_text);
+        END IF;
     ELSE
         heading_text := 'NOHEADING_' || thes_code || ' ' || MD5(marcxml);
     END IF;
@@ -171,6 +175,14 @@ BEGIN
 END;
 $func$ LANGUAGE PLPGSQL IMMUTABLE;
 
+CREATE OR REPLACE FUNCTION authority.simple_normalize_heading( marcxml TEXT ) RETURNS TEXT AS $func$
+    SELECT authority.normalize_heading($1, TRUE);
+$func$ LANGUAGE SQL IMMUTABLE;
+
+CREATE OR REPLACE FUNCTION authority.normalize_heading( marcxml TEXT ) RETURNS TEXT AS $func$
+    SELECT authority.normalize_heading($1, FALSE);
+$func$ LANGUAGE SQL IMMUTABLE;
+
 COMMENT ON FUNCTION authority.normalize_heading( TEXT ) IS $$
 Extract the authority heading, thesaurus, and NACO-normalized values
 from an authority record. The primary purpose is to build a unique