SELECT * FROM bpm_inst_form inst_id_ = #{instId} and def_id_ = #{defId} and node_id_ = #{nodeId} and form_type_ = #{formType} or form_type_ is null SELECT * FROM bpm_inst_form node_id_ is null and inst_id_ = #{instId} and form_type_ = #{formType} SELECT * FROM bpm_inst_form inst_id_ = #{instId} and node_id_ = #{instId} and form_type_ = #{formType} SELECT * FROM bpm_inst_form inst_id_ = #{instId} and form_type_ = #{formType} and node_id_ is null DELETE FROM bpm_inst_form WHERE def_id_=#{defId} DELETE FROM bpm_inst_form WHERE inst_id_=#{instId}