From c17d9e0b89c43c066d49208392b24a97447ff32c Mon Sep 17 00:00:00 2001
From: Galen Charlton <gmc@esilibrary.com>
Date: Tue, 12 Jul 2011 16:56:10 -0400
Subject: [PATCH] upgrade script for bugfix for lp#809540
Signed-off-by: Galen Charlton <gmc@esilibrary.com>
Signed-off-by: Jason Etheridge <jason@esilibrary.com>
---
.../Pg/upgrade/XXXX.fix_maintain_901_quoting.sql | 74 ++++++++++++++++++++++
1 file changed, 74 insertions(+)
create mode 100644 Open-ILS/src/sql/Pg/upgrade/XXXX.fix_maintain_901_quoting.sql
diff --git a/Open-ILS/src/sql/Pg/upgrade/XXXX.fix_maintain_901_quoting.sql b/Open-ILS/src/sql/Pg/upgrade/XXXX.fix_maintain_901_quoting.sql
new file mode 100644
index 0000000000..c59e2f176f
--- /dev/null
+++ b/Open-ILS/src/sql/Pg/upgrade/XXXX.fix_maintain_901_quoting.sql
@@ -0,0 +1,74 @@
+-- Evergreen DB patch XXXX.fix_maintain_901_quoting.sql
+--
+-- Fix for bug LP#809540 - fixes crash when inserting or updating
+-- bib whose tcn_value contains regex metacharacters.
+--
+BEGIN;
+
+-- check whether patch can be applied
+SELECT evergreen.upgrade_deps_block_check('XXXX', :eg_version);
+
+CREATE OR REPLACE FUNCTION evergreen.maintain_901 () RETURNS TRIGGER AS $func$
+DECLARE
+ use_id_for_tcn BOOLEAN;
+BEGIN
+ -- Remove any existing 901 fields before we insert the authoritative one
+ NEW.marc := REGEXP_REPLACE(NEW.marc, E'<datafield[^>]*?tag="901".+?</datafield>', '', 'g');
+
+ IF TG_TABLE_SCHEMA = 'biblio' THEN
+ -- Set TCN value to record ID?
+ SELECT enabled FROM config.global_flag INTO use_id_for_tcn
+ WHERE name = 'cat.bib.use_id_for_tcn';
+
+ IF use_id_for_tcn = 't' THEN
+ NEW.tcn_value := NEW.id;
+ END IF;
+
+ NEW.marc := REGEXP_REPLACE(
+ NEW.marc,
+ E'(</(?:[^:]*?:)?record>)',
+ E'<datafield tag="901" ind1=" " ind2=" ">' ||
+ '<subfield code="a">' || REPLACE(evergreen.xml_escape(NEW.tcn_value), E'\\', E'\\\\') || E'</subfield>' ||
+ '<subfield code="b">' || REPLACE(evergreen.xml_escape(NEW.tcn_source), E'\\', E'\\\\') || E'</subfield>' ||
+ '<subfield code="c">' || NEW.id || E'</subfield>' ||
+ '<subfield code="t">' || TG_TABLE_SCHEMA || E'</subfield>' ||
+ CASE WHEN NEW.owner IS NOT NULL THEN '<subfield code="o">' || NEW.owner || E'</subfield>' ELSE '' END ||
+ CASE WHEN NEW.share_depth IS NOT NULL THEN '<subfield code="d">' || NEW.share_depth || E'</subfield>' ELSE '' END ||
+ E'</datafield>\\1'
+ );
+ ELSIF TG_TABLE_SCHEMA = 'authority' THEN
+ NEW.marc := REGEXP_REPLACE(
+ NEW.marc,
+ E'(</(?:[^:]*?:)?record>)',
+ E'<datafield tag="901" ind1=" " ind2=" ">' ||
+ '<subfield code="c">' || NEW.id || E'</subfield>' ||
+ '<subfield code="t">' || TG_TABLE_SCHEMA || E'</subfield>' ||
+ E'</datafield>\\1'
+ );
+ ELSIF TG_TABLE_SCHEMA = 'serial' THEN
+ NEW.marc := REGEXP_REPLACE(
+ NEW.marc,
+ E'(</(?:[^:]*?:)?record>)',
+ E'<datafield tag="901" ind1=" " ind2=" ">' ||
+ '<subfield code="c">' || NEW.id || E'</subfield>' ||
+ '<subfield code="t">' || TG_TABLE_SCHEMA || E'</subfield>' ||
+ '<subfield code="o">' || NEW.owning_lib || E'</subfield>' ||
+ CASE WHEN NEW.record IS NOT NULL THEN '<subfield code="r">' || NEW.record || E'</subfield>' ELSE '' END ||
+ E'</datafield>\\1'
+ );
+ ELSE
+ NEW.marc := REGEXP_REPLACE(
+ NEW.marc,
+ E'(</(?:[^:]*?:)?record>)',
+ E'<datafield tag="901" ind1=" " ind2=" ">' ||
+ '<subfield code="c">' || NEW.id || E'</subfield>' ||
+ '<subfield code="t">' || TG_TABLE_SCHEMA || E'</subfield>' ||
+ E'</datafield>\\1'
+ );
+ END IF;
+
+ RETURN NEW;
+END;
+$func$ LANGUAGE PLPGSQL;
+
+COMMIT;
--
2.11.0