disable cache for oracle sequences

CHANGELOG.md

@@ -5,6 +5,8 @@
   - Sortable workflow definitions, workflow instance search result and executors tables
   - Persist workflow instance query parameters to URL
   - Support wildcard characters when searching workflow instances by business key or external id
+- Database scripts
+  - Fix issues in Oracle scripts
 
 **Details**
 - `nflow-jetty`
@@ -19,6 +21,10 @@
     - is-svg 4.3.1
 - `nflow-engine`
   - Support SQL wildcards in workflow instance queries by business key or external id
+- Database scripts
+  - Disable cache for Oracle sequences
+  - Fix `nflow_workflow_action_insert` trigger in Oracle database scripts
+  - Fix syntax error in `create table nflow_workflow` statement in `oracle.create.ddl.sql`
 
 ## 7.2.4 (2021-02-25)
 

nflow-engine/src/main/resources/scripts/db/oracle.create.ddl.sql

@@ -4,7 +4,7 @@ create table nflow_workflow (
   id int not null primary key,
   status varchar(32) not null,
   type varchar(64) not null,
-  priority smallint not null default 0,
+  priority smallint default 0 not null,
   parent_workflow_id int default null,
   parent_action_id int default null,
   business_key varchar(64),
@@ -31,7 +31,7 @@ create index nflow_workflow_polling on nflow_workflow(next_activation, status, e
 create index idx_workflow_parent on nflow_workflow(parent_workflow_id)
 /
 
-create sequence nflow_workflow_id_seq
+create sequence nflow_workflow_id_seq nocache
 /
 
 create or replace trigger nflow_workflow_insert
@@ -70,15 +70,15 @@ create table nflow_workflow_action (
 create index nflow_workflow_action_workflow on nflow_workflow_action(workflow_id)
 /
 
-create sequence nflow_workflow_action_id_seq
+create sequence nflow_workflow_action_id_seq nocache
 /
 
 create or replace trigger nflow_workflow_action_insert
   before insert on nflow_workflow_action
   for each row
 declare
 begin
-  :new.id := nflow_workflow_id_seq.nextval;
+  :new.id := nflow_workflow_action_id_seq.nextval;
 end;
 /
 
@@ -104,7 +104,7 @@ create table nflow_executor (
 )
 /
 
-create sequence nflow_executor_id_seq
+create sequence nflow_executor_id_seq nocache
 /
 
 create or replace trigger nflow_executor_insert

nflow-engine/src/main/resources/scripts/db/update-7.2.5-x/oracle.update.ddl.sql

@@ -0,0 +1,25 @@
+alter sequence nflow_executor_id_seq nocache
+/
+
+alter sequence nflow_workflow_id_seq nocache
+/
+
+drop sequence nflow_workflow_action_id_seq
+/
+
+declare
+  id_with_slack number;
+begin
+  select nvl(max(id),0) + 1000 into id_with_slack from nflow_workflow_action;
+  execute immediate 'create sequence nflow_workflow_action_id_seq start with ' || id_with_slack || ' nocache';
+end;
+/
+
+create or replace trigger nflow_workflow_action_insert
+  before insert on nflow_workflow_action
+  for each row
+declare
+begin
+  :new.id := nflow_workflow_action_id_seq.nextval;
+end;
+/