activiti 工作流历史数据删除

1. 查找已完成的流程

SELECT PROC_INST_ID_ FROM ACT_HI_PROCINST WHERE END_ACT_ID_ IS NOT NULL OR DELETE_REASON_ IS NOT NULL;

2. 删除已完成流程的相关记录

DELETE FROM ACT_HI_DETAIL WHERE PROC_INST_ID_ = '';
DELETE gb
　　FROM ACT_GE_BYTEARRAY gb
　　INNER JOIN ACT_HI_VARINST hv ON gb.ID_ = hv.BYTEARRAY_ID_
　　　　WHERE hv.BYTEARRAY_ID_ IS NOT NULL AND hv.PROC_INST_ID_ = '';
DELETE FROM ACT_HI_VARINST WHERE PROC_INST_ID_ = '';
DELETE FROM ACT_HI_ACTINST WHERE PROC_INST_ID_ = '';
DELETE FROM ACT_HI_TASKINST WHERE PROC_INST_ID_ = '';
DELETE FROM ACT_HI_IDENTITYLINK WHERE PROC_INST_ID_ = '';
DELETE FROM ACT_HI_COMMENT WHERE PROC_INST_ID_ = '';
DELETE FROM ACT_HI_PROCINST WHERE SUPER_PROCESS_INSTANCE_ID_ = '';
DELETE FROM ACT_HI_PROCINST WHERE PROC_INST_ID_ = '';