How work this insert and update with if statement query in mysql -

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select ifnull(post.id ,insert post(pdate,body) values (1,'a') ,update post set body='update',pdate=2 ) post body='a' , pdate=1

you can try create stored procedure this:

create procedure `myproc` begin if exists (select post.id post body='a' , pdate=1) update post set body='update',pdate=2; else insert post(pdate,body) values (1,'a'); end if; end //

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