MySQL Procedure Error on Creation -


creating procedure below , keeps giving out assigning values fro first select statement, doing wrong, appreciated.

error 1064 (42000): have error in sql syntax; check manual corresponds mysql server version right syntax use near ':= m id, vcurrentvote := vote td_voted id = pcid limit 1;

create procedure pr_update_vote (in pcid int, in pvote int, in pmid int, out pnewvote int) begin     declare vmid, vvote, vcurrentvote, vnewvote int;      if pvote = 1         set vvote = 1;     else         set vvote = -1;     end if;      select vmid := `mid`, vcurrentvote := vote td_voted id = pcid limit 1;      if vmid <> pmid         select vvotetype := vote          td_votes          `mid` = vmid          , cid = pcid          limit 1;          if vvotetype not null or vvotetype <> vvote             update td_votes              set vote = vvote,              updated = now()             cid = pcid             , `mid` = pmid             limit 1;         else             insert td_votes (`mid`, cid, vote)             values (pmid, pcid, vvote);         end if;          vnewvote = vcurrentvote + vvote;          update td_voted         set vote = vnewvote         id = pcid         limit 1;          select pnewvote := vote td_voted id = pcid limit 1;     end if; end

this solution worked me after debugging.

create procedure pr_update_vote (in pcid int, in pvote int, in pmid int, out pnewvote int) begin     declare vmid, vvote, vcurrentvote, vnewvote int;      if pvote = 1         set vvote = 1;     else         set vvote = -1;     end if;      select vmid = `mid`, vcurrentvote = vote td_voted id = pcid limit 1;      if vmid <> pmid         select vvotetype = vote          td_votes          `mid` = vmid          , cid = pcid          limit 1;          if (vvotetype not null) or (vvotetype <> vvote)             update td_votes              set vote = vvote,              updated = now()             cid = pcid             , `mid` = pmid             limit 1;         else             insert td_votes (`mid`, cid, vote)             values (pmid, pcid, vvote);         end if;          set vnewvote = vcurrentvote + vvote;          update td_voted         set vote = vnewvote         id = pcid         limit 1;          select pnewvote = vote td_voted id = pcid limit 1;     end if; end

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