--ACT_GE_BYTEARRAY
ALTER TABLE ACT_GE_BYTEARRAY MODIFY ID_ NUMBER(18);
--流程任务 
ALTER TABLE ACT_RU_TASK MODIFY ID_ NUMBER(18);
ALTER TABLE ACT_RU_TASK MODIFY EXECUTION_ID_ NUMBER(18);
ALTER TABLE ACT_RU_TASK MODIFY PROC_INST_ID_ NUMBER(18);
ALTER TABLE ACT_RU_TASK MODIFY PARENT_TASK_ID_ NUMBER(18);
ALTER TABLE ACT_RU_TASK MODIFY OWNER_ NUMBER(18);
ALTER TABLE ACT_RU_TASK MODIFY ASSIGNEE_ NUMBER(18);

--流程变量表
ALTER TABLE ACT_RU_VARIABLE MODIFY ID_ NUMBER(18);
ALTER TABLE ACT_RU_VARIABLE MODIFY EXECUTION_ID_ NUMBER(18);
ALTER TABLE ACT_RU_VARIABLE MODIFY PROC_INST_ID_ NUMBER(18);
ALTER TABLE ACT_RU_VARIABLE MODIFY TASK_ID_ NUMBER(18);
ALTER TABLE ACT_RU_VARIABLE MODIFY BYTEARRAY_ID_ NUMBER(18);

--流程任务候选人
ALTER TABLE ACT_RU_IDENTITYLINK MODIFY ID_ NUMBER(18);
ALTER TABLE ACT_RU_IDENTITYLINK MODIFY GROUP_ID_ NUMBER(18);
ALTER TABLE ACT_RU_IDENTITYLINK MODIFY USER_ID_ NUMBER(18);
ALTER TABLE ACT_RU_IDENTITYLINK MODIFY TASK_ID_ NUMBER(18);
--excution
ALTER TABLE ACT_RU_EXECUTION MODIFY ID_ NUMBER(18);
ALTER TABLE ACT_RU_EXECUTION MODIFY PROC_INST_ID_ NUMBER(18);
ALTER TABLE ACT_RU_EXECUTION MODIFY PARENT_ID_ NUMBER(18);
ALTER TABLE ACT_RU_EXECUTION MODIFY SUPER_EXEC_ NUMBER(18);
ALTER TABLE ACT_RU_EVENT_SUBSCR MODIFY EXECUTION_ID_ NUMBER(18);
ALTER TABLE ACT_RU_JOB MODIFY EXCEPTION_STACK_ID_ NUMBER(18);
--ACT_RE_DEPLOYMENT
--ALTER TABLE ACT_RE_DEPLOYMENT MODIFY ID_ NUMBER(18);
--流程定义
ALTER TABLE ACT_RE_PROCDEF MODIFY DEPLOYMENT_ID_ NUMBER(18);
--历史任务实例
ALTER TABLE ACT_HI_TASKINST MODIFY ID_ NUMBER(18);
ALTER TABLE ACT_HI_TASKINST MODIFY EXECUTION_ID_ NUMBER(18);
ALTER TABLE ACT_HI_TASKINST MODIFY PROC_INST_ID_ NUMBER(18);
ALTER TABLE ACT_HI_TASKINST MODIFY PARENT_TASK_ID_ NUMBER(18);
ALTER TABLE ACT_HI_TASKINST MODIFY OWNER_ NUMBER(18);
ALTER TABLE ACT_HI_TASKINST MODIFY ASSIGNEE_ NUMBER(18);

--历史流程实例 ACT_HI_PROCINST
ALTER TABLE ACT_HI_PROCINST MODIFY ID_ NUMBER(18);
ALTER TABLE ACT_HI_PROCINST MODIFY PROC_INST_ID_ NUMBER(18);
ALTER TABLE ACT_HI_PROCINST MODIFY START_USER_ID_ NUMBER(18);
ALTER TABLE ACT_HI_PROCINST MODIFY SUPER_PROCESS_INSTANCE_ID_ NUMBER(18);
--历史活动节点实例
ALTER TABLE ACT_HI_ACTINST MODIFY ID_ NUMBER(18);
ALTER TABLE ACT_HI_ACTINST MODIFY PROC_INST_ID_ NUMBER(18);
ALTER TABLE ACT_HI_ACTINST MODIFY ASSIGNEE_ NUMBER(18);
ALTER TABLE ACT_HI_ACTINST MODIFY EXECUTION_ID_ NUMBER(18);



create index ACT_IDX_EXEC_BUSKEY on ACT_RU_EXECUTION(BUSINESS_KEY_);
create index ACT_IDX_TASK_CREATE on ACT_RU_TASK(CREATE_TIME_);
create index ACT_IDX_IDENT_LNK_USER on ACT_RU_IDENTITYLINK(USER_ID_);
create index ACT_IDX_IDENT_LNK_GROUP on ACT_RU_IDENTITYLINK(GROUP_ID_);
create index ACT_IDX_EVENT_SUBSCR_CONFIG_ on ACT_RU_EVENT_SUBSCR(CONFIGURATION_);
create index ACT_IDX_VARIABLE_TASK_ID on ACT_RU_VARIABLE(TASK_ID_);

create index ACT_IDX_BYTEAR_DEPL on ACT_GE_BYTEARRAY(DEPLOYMENT_ID_);
alter table ACT_GE_BYTEARRAY
    add constraint ACT_FK_BYTEARR_DEPL
    foreign key (DEPLOYMENT_ID_) 
    references ACT_RE_DEPLOYMENT (ID_);

alter table ACT_RE_PROCDEF
    add constraint ACT_UNIQ_PROCDEF
    unique (KEY_,VERSION_);
    
create index ACT_IDX_EXE_PROCINST on ACT_RU_EXECUTION(PROC_INST_ID_);
alter table ACT_RU_EXECUTION
    add constraint ACT_FK_EXE_PROCINST
    foreign key (PROC_INST_ID_) 
    references ACT_RU_EXECUTION (ID_);

create index ACT_IDX_EXE_PARENT on ACT_RU_EXECUTION(PARENT_ID_);
alter table ACT_RU_EXECUTION
    add constraint ACT_FK_EXE_PARENT
    foreign key (PARENT_ID_) 
    references ACT_RU_EXECUTION (ID_);
    
create index ACT_IDX_EXE_SUPER on ACT_RU_EXECUTION(SUPER_EXEC_);
alter table ACT_RU_EXECUTION
    add constraint ACT_FK_EXE_SUPER
    foreign key (SUPER_EXEC_) 
    references ACT_RU_EXECUTION (ID_);

create index ACT_IDX_TSKASS_TASK on ACT_RU_IDENTITYLINK(TASK_ID_);
alter table ACT_RU_IDENTITYLINK
    add constraint ACT_FK_TSKASS_TASK
    foreign key (TASK_ID_) 
    references ACT_RU_TASK (ID_);

create index ACT_IDX_ATHRZ_PROCEDEF  on ACT_RU_IDENTITYLINK(PROC_DEF_ID_);
alter table ACT_RU_IDENTITYLINK
    add constraint ACT_FK_ATHRZ_PROCEDEF
    foreign key (PROC_DEF_ID_) 
    references ACT_RE_PROCDEF (ID_);

create index ACT_IDX_TASK_EXEC on ACT_RU_TASK(EXECUTION_ID_);
alter table ACT_RU_TASK
    add constraint ACT_FK_TASK_EXE
    foreign key (EXECUTION_ID_)
    references ACT_RU_EXECUTION (ID_);
    
create index ACT_IDX_TASK_PROCINST on ACT_RU_TASK(PROC_INST_ID_);
alter table ACT_RU_TASK
    add constraint ACT_FK_TASK_PROCINST
    foreign key (PROC_INST_ID_)
    references ACT_RU_EXECUTION (ID_);
    
create index ACT_IDX_TASK_PROCDEF on ACT_RU_TASK(PROC_DEF_ID_);
alter table ACT_RU_TASK
  add constraint ACT_FK_TASK_PROCDEF
  foreign key (PROC_DEF_ID_)
  references ACT_RE_PROCDEF (ID_);
  
create index ACT_IDX_VAR_EXE on ACT_RU_VARIABLE(EXECUTION_ID_);
alter table ACT_RU_VARIABLE 
    add constraint ACT_FK_VAR_EXE
    foreign key (EXECUTION_ID_) 
    references ACT_RU_EXECUTION (ID_);

create index ACT_IDX_VAR_PROCINST on ACT_RU_VARIABLE(PROC_INST_ID_);
alter table ACT_RU_VARIABLE
    add constraint ACT_FK_VAR_PROCINST
    foreign key (PROC_INST_ID_)
    references ACT_RU_EXECUTION(ID_);

create index ACT_IDX_VAR_BYTEARRAY on ACT_RU_VARIABLE(BYTEARRAY_ID_);
alter table ACT_RU_VARIABLE 
    add constraint ACT_FK_VAR_BYTEARRAY 
    foreign key (BYTEARRAY_ID_) 
    references ACT_GE_BYTEARRAY (ID_);

create index ACT_IDX_JOB_EXCEPTION on ACT_RU_JOB(EXCEPTION_STACK_ID_);
alter table ACT_RU_JOB 
    add constraint ACT_FK_JOB_EXCEPTION
    foreign key (EXCEPTION_STACK_ID_) 
    references ACT_GE_BYTEARRAY (ID_);
    
create index ACT_IDX_EVENT_SUBSCR on ACT_RU_EVENT_SUBSCR(EXECUTION_ID_);
alter table ACT_RU_EVENT_SUBSCR
    add constraint ACT_FK_EVENT_EXEC
    foreign key (EXECUTION_ID_)
    references ACT_RU_EXECUTION(ID_);
    
-- see http://stackoverflow.com/questions/675398/how-can-i-constrain-multiple-columns-to-prevent-duplicates-but-ignore-null-value
create unique index ACT_UNIQ_RU_BUS_KEY on ACT_RU_EXECUTION
   (case when BUSINESS_KEY_ is null then null else PROC_DEF_ID_ end,
    case when BUSINESS_KEY_ is null then null else BUSINESS_KEY_ end);

create index ACT_IDX_HI_PRO_INST_END on ACT_HI_PROCINST(END_TIME_);
create index ACT_IDX_HI_PRO_I_BUSKEY on ACT_HI_PROCINST(BUSINESS_KEY_);
create index ACT_IDX_HI_ACT_INST_START on ACT_HI_ACTINST(START_TIME_);
create index ACT_IDX_HI_ACT_INST_END on ACT_HI_ACTINST(END_TIME_);
create index ACT_IDX_HI_DETAIL_PROC_INST on ACT_HI_DETAIL(PROC_INST_ID_);
create index ACT_IDX_HI_DETAIL_ACT_INST on ACT_HI_DETAIL(ACT_INST_ID_);
create index ACT_IDX_HI_DETAIL_TIME on ACT_HI_DETAIL(TIME_);
create index ACT_IDX_HI_DETAIL_NAME on ACT_HI_DETAIL(NAME_);
create index ACT_IDX_HI_DETAIL_TASK_ID on ACT_HI_DETAIL(TASK_ID_);

-- see http://stackoverflow.com/questions/675398/how-can-i-constrain-multiple-columns-to-prevent-duplicates-but-ignore-null-value
create unique index ACT_UNIQ_HI_BUS_KEY on ACT_HI_PROCINST
   (case when BUSINESS_KEY_ is null then null else PROC_DEF_ID_ end,
    case when BUSINESS_KEY_ is null then null else BUSINESS_KEY_ end);