select count(*) from forum_attention where attention_user_account_id=#{userId} or user_account_id=#{userAccountId} or attention_user_account_id=#{userAccountId} or user_account_id=#{userId} and mutual_attention=1
select user_account_id,attention_user_account_id,mutual_attention from forum_attention where attention_user_account_id=#{userId} or user_account_id=#{userAccountId} or attention_user_account_id=#{userAccountId} or user_account_id=#{userId} and mutual_attention=1