id, corp_id, msgid, participant_type, user_type, user_id INSERT INTO qw_conversation_participant corp_id, msgid, participant_type, user_type, user_id, #{corpId}, #{msgid}, #{participantType}, #{userType}, #{userId}, DELETE FROM qw_conversation_participant WHERE corp_id = #{corpId} AND msgid = #{msgid} DELETE FROM qw_conversation_participant WHERE corp_id = #{corpId} AND msgid = #{msgid} AND participant_type = #{participantType} SELECT FROM qw_conversation_participant WHERE corp_id = #{corpId} AND msgid = #{msgid} SELECT FROM qw_conversation_participant WHERE corp_id = #{corpId} AND user_type = #{userType} AND user_id = #{userId} SELECT FROM qw_conversation_participant WHERE corp_id = #{corpId} AND msgid = #{msgid} AND participant_type = #{participantType}