LP#1775216: inconsistent availability counts between staff client and opac

including upgrade sql

Signed-off-by: a. bellenir <ab@grpl.org>

diff --git a/Open-ILS/src/sql/Pg/upgrade/1112.schema.lp1775216_consistent_avail_counts.sql b/Open-ILS/src/sql/Pg/upgrade/1112.schema.lp1775216_consistent_avail_counts.sql
new file mode 100644 (file)
index 0000000..e76d09e
--- /dev/null
+++ b/Open-ILS/src/sql/Pg/upgrade/1112.schema.lp1775216_consistent_avail_counts.sql
@@ -0,0 +1,36 @@
+CREATE OR REPLACE FUNCTION asset.staff_ou_record_copy_count(org integer, rid bigint)
+ RETURNS TABLE(depth integer, org_unit integer, visible bigint, available bigint, unshadow bigint, transcendant integer)
+ LANGUAGE plpgsql
+AS $function$
+DECLARE
+    ans RECORD;
+    trans INT;
+BEGIN
+    SELECT 1 INTO trans FROM biblio.record_entry b JOIN config.bib_source src ON (b.source = src.id) WHERE src.transcendant AND b.id = rid;
+
+    FOR ans IN SELECT u.id, t.depth FROM actor.org_unit_ancestors(org) AS u JOIN actor.org_unit_type t ON (u.ou_type = t.id) LOOP
+        RETURN QUERY
+        WITH available_statuses AS (SELECT ARRAY_AGG(id) AS ids FROM config.copy_status WHERE is_available)
+        SELECT  ans.depth,
+                ans.id,
+                COUNT( cp.id ),
+                SUM( (cp.status = ANY (available_statuses.ids))::INT ),
+                SUM( CASE WHEN cl.opac_visible AND cp.opac_visible THEN 1 ELSE 0 END),
+                trans
+          FROM
+                available_statuses,
+                actor.org_unit_descendants(ans.id) d
+                JOIN asset.copy cp ON (cp.circ_lib = d.id AND NOT cp.deleted)
+                JOIN asset.copy_location cl ON (cp.location = cl.id AND NOT cl.deleted)
+                JOIN asset.call_number cn ON (cn.record = rid AND cn.id = cp.call_number AND NOT cn.deleted)
+          GROUP BY 1,2,6;
+
+        IF NOT FOUND THEN
+            RETURN QUERY SELECT ans.depth, ans.id, 0::BIGINT, 0::BIGINT, 0::BIGINT, trans;
+        END IF;
+
+    END LOOP;
+
+    RETURN;
+END;
+$function$;