関数特性
言語: PLPGSQL
戻り値: bigint
forwardConfirm (p_con_origin, p_con_received, p_con_seqno, p_con_timestamp) p_con_origin から p_con_seqno までの項目は p_con_timestamp 時点でノード p_con_received で受け取られ、この確認を送出する事象を立ち上げるという、(sl_confirm に記録された)確認を行います。declare p_con_origin alias for $1; p_con_received alias for $2; p_con_seqno alias for $3; p_con_timestamp alias for $4; v_max_seqno bigint; begin select into v_max_seqno coalesce(max(con_seqno), 0) from sl_confirm where con_origin = p_con_origin and con_received = p_con_received; if v_max_seqno < p_con_seqno then insert into sl_confirm (con_origin, con_received, con_seqno, con_timestamp) values (p_con_origin, p_con_received, p_con_seqno, p_con_timestamp); notify "_schemadoc_Confirm"; v_max_seqno = p_con_seqno; end if; return v_max_seqno; end;