Related to bug CASTOR-3400:

fixed the remaining exception handlers in case of FK constraint violations,
which had the wrong error code and were thus never called.

castor/db/oracleDrain.sql

@@ -34,7 +34,7 @@ BEGIN
                FROM DrainingJob WHERE status = dconst.DRAININGJOB_RUNNING) LOOP
     DECLARE
       CONSTRAINT_VIOLATED EXCEPTION;
-      PRAGMA EXCEPTION_INIT(CONSTRAINT_VIOLATED, -1);
+      PRAGMA EXCEPTION_INIT(CONSTRAINT_VIOLATED, -2292);
     BEGIN
       BEGIN
         -- lock the draining job first

castor/db/oracleGC.sql

@@ -420,7 +420,7 @@ BEGIN
                 ORDER BY cfId ASC) LOOP
       DECLARE
         CONSTRAINT_VIOLATED EXCEPTION;
-        PRAGMA EXCEPTION_INIT(CONSTRAINT_VIOLATED, -1);
+        PRAGMA EXCEPTION_INIT(CONSTRAINT_VIOLATED, -2292);
       BEGIN
         -- Get data and lock the castorFile
         SELECT fileId, nsHost, fileClass