Add constraint to ACQ PO state value

Limit 'state' values to

'new','pending','on-order','received','cancelled'

https://bugs.launchpad.net/evergreen/+bug/893193

Signed-off-by: Bill Erickson <berick@esilibrary.com>

diff --git a/Open-ILS/src/sql/Pg/200.schema.acq.sql b/Open-ILS/src/sql/Pg/200.schema.acq.sql
index 8765c4a..3b82f9d 100644 (file)
--- a/Open-ILS/src/sql/Pg/200.schema.acq.sql
+++ b/Open-ILS/src/sql/Pg/200.schema.acq.sql
@@ -379,7 +379,8 @@ CREATE TABLE acq.purchase_order (
        name                    TEXT                                    NOT NULL,
        cancel_reason   INT                     REFERENCES acq.cancel_reason( id )
                                             DEFERRABLE INITIALLY DEFERRED,
-       prepayment_required BOOLEAN NOT NULL DEFAULT FALSE
+       prepayment_required BOOLEAN NOT NULL DEFAULT FALSE,
+    CONSTRAINT valid_po_state CHECK (state IN ('new','pending','on-order','received','cancelled'))
 );
 CREATE INDEX po_owner_idx ON acq.purchase_order (owner);
 CREATE INDEX po_provider_idx ON acq.purchase_order (provider);

diff --git a/Open-ILS/src/sql/Pg/upgrade/XXXX.schema.acq-po-state-constraint.sql b/Open-ILS/src/sql/Pg/upgrade/XXXX.schema.acq-po-state-constraint.sql
new file mode 100644 (file)
index 0000000..cb8db6d
--- /dev/null
+++ b/Open-ILS/src/sql/Pg/upgrade/XXXX.schema.acq-po-state-constraint.sql
@@ -0,0 +1,12 @@
+-- Evergreen DB patch XXXX.schema.acq-po-state-constraint.sql
+--
+BEGIN;
+
+
+-- check whether patch can be applied
+SELECT evergreen.upgrade_deps_block_check('XXXX', :eg_version);
+
+ALTER TABLE acq.purchase_order ADD CONSTRAINT valid_po_state 
+    CHECK (state IN ('new','pending','on-order','received','cancelled'));
+
+COMMIT;