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-- production tables
create table nflow_workflow (
id int not null identity(1,1) primary key,
status varchar(32) not null,
type varchar(64) not null,
root_workflow_id int default null,
parent_workflow_id int default null,
parent_action_id int default null,
business_key varchar(64),
external_id varchar(64) not null,
state varchar(64) not null,
state_text varchar(128),
next_activation datetimeoffset(3),
external_next_activation datetimeoffset(3),
executor_id int,
retries int not null default 0,
created datetimeoffset(3) not null default SYSDATETIMEOFFSET(),
modified datetimeoffset(3) not null default SYSDATETIMEOFFSET(),
executor_group varchar(64) not null,
workflow_signal int,
constraint nflow_workflow_uniq unique (type, external_id, executor_group)
);
create trigger nflow_workflow_modified_trigger on nflow_workflow after update as
begin
update nflow_workflow set modified = SYSDATETIMEOFFSET()
from nflow_workflow wf inner join inserted i on wf.id = i.id
end;
drop index nflow_workflow_activation;
create index nflow_workflow_activation on nflow_workflow(next_activation, modified);
create table nflow_workflow_action (
id int not null identity(1,1) primary key,
workflow_id int not null,
executor_id int not null default -1,
type varchar(64) not null,
state varchar(64) not null,
state_text varchar(128),
retry_no int not null,
execution_start datetimeoffset(3) not null,
execution_end datetimeoffset(3) not null,
foreign key (workflow_id) references nflow_workflow(id) on delete cascade,
constraint nflow_workflow_action_uniq unique (workflow_id, id)
);
alter table nflow_workflow add constraint fk_workflow_parent
foreign key (parent_workflow_id, parent_action_id) references nflow_workflow_action (workflow_id, id) on update no action;
alter table nflow_workflow add constraint fk_workflow_root
foreign key (root_workflow_id) references nflow_workflow (id) on update no action;
create table nflow_workflow_state (
workflow_id int not null,
action_id int not null,
state_key varchar(64) not null,
state_value text not null,
primary key (workflow_id, action_id, state_key),
foreign key (workflow_id) references nflow_workflow(id) on delete cascade
);
create table nflow_executor (
id int not null identity(1,1) primary key,
host varchar(253) not null,
pid int not null,
executor_group varchar(64),
started datetimeoffset(3) not null default SYSDATETIMEOFFSET(),
active datetimeoffset(3) not null,
expires datetimeoffset(3) not null,
stopped datetimeoffset(3)
);
create table nflow_workflow_definition (
type varchar(64) not null,
definition_sha1 varchar(40) not null,
definition text not null,
created datetimeoffset(3) not null default SYSDATETIMEOFFSET(),
modified datetimeoffset(3) not null default SYSDATETIMEOFFSET(),
modified_by int not null,
executor_group varchar(64) not null,
primary key (type, executor_group)
);
create trigger nflow_workflow_definition_modified_trigger on nflow_workflow_definition after update as
begin
update nflow_workflow_definition set modified = SYSDATETIMEOFFSET()
from nflow_workflow_definition df inner join inserted i on df.type = i.type and df.executor_group = i.executor_group
end;
-- Archive tables
-- - no default values
-- - no triggers
-- - no auto increments
-- - same indexes and constraints as production tables
-- - remove recursive foreign keys
create table nflow_archive_workflow (
id int not null primary key,
status varchar(32) not null,
type varchar(64) not null,
root_workflow_id int,
parent_workflow_id int,
parent_action_id int,
business_key varchar(64),
external_id varchar(64) not null,
state varchar(64) not null,
state_text varchar(128),
next_activation datetimeoffset(3),
external_next_activation datetimeoffset(3),
executor_id int,
retries int not null default 0,
created datetimeoffset(3) not null,
modified datetimeoffset(3) not null,
executor_group varchar(64) not null,
workflow_signal int,
constraint nflow_archive_workflow_uniq unique (type, external_id, executor_group)
);
create table nflow_archive_workflow_action (
id int not null primary key,
workflow_id int not null,
executor_id int not null,
type varchar(64) not null,
state varchar(64) not null,
state_text varchar(128),
retry_no int not null,
execution_start datetimeoffset(3) not null,
execution_end datetimeoffset(3) not null,
foreign key (workflow_id) references nflow_archive_workflow(id) on delete cascade,
constraint nflow_archive_workflow_action_uniq unique (workflow_id, id)
);
create table nflow_archive_workflow_state (
workflow_id int not null,
action_id int not null,
state_key varchar(64) not null,
state_value text not null,
primary key (workflow_id, action_id, state_key),
foreign key (workflow_id) references nflow_archive_workflow(id) on delete cascade
);
