escape regexp-special characters

git-svn-id: svn://svn.open-ils.org/ILS/trunk@9144 dcc99617-32d9-48b4-a31d-7c20da2025e4

diff --git a/Open-ILS/src/sql/Pg/300.schema.staged_search.sql b/Open-ILS/src/sql/Pg/300.schema.staged_search.sql
index 5dd9ad1..39e52e7 100644 (file)
--- a/Open-ILS/src/sql/Pg/300.schema.staged_search.sql
+++ b/Open-ILS/src/sql/Pg/300.schema.staged_search.sql
@@ -211,7 +211,16 @@ BEGIN
               WHERE term_type = 'phrase'
                     AND table_alias = query_part.table_alias LOOP
 
-            inner_where_clause := inner_where_clause || ' AND ' || 'value  ~* ' || quote_literal( E'(^|\\W+)' || regexp_replace(phrase_query_part.term, E'\\s+',E'\\\\s+','g') || E'(\\W+|\$)' );
+            tmp_text := replace( phrase_query_part.term, '*', E'\\*' );
+            tmp_text := replace( tmp_text, '?', E'\\?' );
+            tmp_text := replace( tmp_text, '+', E'\\+' );
+            tmp_text := replace( tmp_text, '|', E'\\|' );
+            tmp_text := replace( tmp_text, '(', E'\\(' );
+            tmp_text := replace( tmp_text, ')', E'\\)' );
+            tmp_text := replace( tmp_text, '[', E'\\[' );
+            tmp_text := replace( tmp_text, ']', E'\\]' );
+
+            inner_where_clause := inner_where_clause || ' AND ' || 'value  ILIKE ' || quote_literal( E'(^|\\W+)' || regexp_replace(tmp_text, E'\\s+',E'\\\\s+','g') || E'(\\W+|\$)' );
 
         END LOOP;