protect 0-param normalizers from null params value

git-svn-id: svn://svn.open-ils.org/ILS/trunk@14464 dcc99617-32d9-48b4-a31d-7c20da2025e4

diff --git a/Open-ILS/src/sql/Pg/002.schema.config.sql b/Open-ILS/src/sql/Pg/002.schema.config.sql
index dce7d5f..2683cc6 100644 (file)
--- a/Open-ILS/src/sql/Pg/002.schema.config.sql
+++ b/Open-ILS/src/sql/Pg/002.schema.config.sql
@@ -605,13 +605,21 @@ BEGIN
         IF TG_TABLE_NAME::TEXT ~ 'field_entry$' THEN
                 FOR normalizer IN
                         SELECT  n.func AS func,
+                                n.param_count AS param_count,
                                 m.params AS params
                           FROM  config.index_normalizer n
                                 JOIN config.metabib_field_index_norm_map m ON (m.norm = n.id)
                           WHERE field = NEW.field
                           ORDER BY m.pos
                 LOOP
-                        EXECUTE 'SELECT ' || normalizer.func || '(' || quote_literal( value ) || ',' || BTRIM(normalizer.params,'[]') || ')' INTO value;
+                        EXECUTE 'SELECT ' || normalizer.func || '(' ||
+                                        quote_literal( value ) ||
+                                        CASE
+                                                WHEN normalizer.param_count > 0 THEN ',' || BTRIM(normalizer.params,'[]')
+                                                ELSE ''
+                                        END ||
+                                ')' INTO value;
+
                 END LOOP;
         END IF;