reverse-choro-date1 tiebreaker on search sorts

git-svn-id: svn://svn.open-ils.org/ILS/trunk@14005 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 30ef658..06aea75 100644 (file)
--- a/Open-ILS/src/sql/Pg/300.schema.staged_search.sql
+++ b/Open-ILS/src/sql/Pg/300.schema.staged_search.sql
@@ -301,7 +301,8 @@ BEGIN
         sort_desc := NOT COALESCE(param_sort_desc, FALSE);
     END IF;
 
-    select_clause := select_clause || current_rank || ' AS rank';
+    select_clause := select_clause || current_rank || ' AS rank, ' ||
+                       $$ COALESCE( FIRST(NULLIF(REGEXP_REPLACE(mrd.date1, E'\\D+', '0', 'g'),'')), '0' )::INT  AS tie_break $$;
 
     -- now add the other qualifiers
     IF param_audience IS NOT NULL AND array_upper(param_audience, 1) > 0 THEN
@@ -349,7 +350,8 @@ BEGIN
     END IF;
 
     core_rel_query := select_clause || from_clause || where_clause ||
-                        ' GROUP BY 1 ORDER BY 4' || CASE WHEN sort_desc THEN ' DESC' ELSE ' ASC' END || ';';
+                        ' GROUP BY 1 ORDER BY 4 ' || CASE WHEN sort_desc THEN 'DESC' ELSE 'ASC' END || ', 5 DESC;';
+
     --RAISE NOTICE 'Base Query:  %', core_rel_query;
 
     IF param_search_ou > 0 THEN