Added audit file

ddl/versions/104/audit-up.sql

@@ -0,0 +1,25 @@
+CREATE TABLE audit.design_oligo_appends (
+audit_op CHAR(1) NOT NULL CHECK (audit_op IN ('D','I','U')),
+audit_user TEXT NOT NULL,
+audit_stamp TIMESTAMP NOT NULL,
+audit_txid INTEGER NOT NULL,
+id text,
+design_oligo_type_id text,
+seq text
+);
+CREATE OR REPLACE FUNCTION public.process_design_oligo_appends_audit()
+RETURNS TRIGGER AS $design_oligo_appends_audit$
+    BEGIN
+        IF (TG_OP = 'DELETE') THEN
+           INSERT INTO audit.design_oligo_appends SELECT 'D', user, now(), txid_current(), OLD.*;
+        ELSIF (TG_OP = 'UPDATE') THEN
+           INSERT INTO audit.design_oligo_appends SELECT 'U', user, now(), txid_current(), NEW.*;
+        ELSIF (TG_OP = 'INSERT') THEN
+           INSERT INTO audit.design_oligo_appends SELECT 'I', user, now(), txid_current(), NEW.*;
+        END IF;
+        RETURN NULL;
+    END;
+$design_oligo_appends_audit$ LANGUAGE plpgsql;
+CREATE TRIGGER design_oligo_appends_audit
+AFTER INSERT OR UPDATE OR DELETE ON public.design_oligo_appends
+    FOR EACH ROW EXECUTE PROCEDURE public.process_design_oligo_appends_audit();