mysql - Variable in trigger doesn't work for me -


I am trying to create a new trigger like this. But it gives me an error. DELIMITER Email at SENT @ cnt = (SELECT count (*) by email ID where position = 'left'); If @cnt = 0 then - my question is Eid IF; END $$ DELIMITER;

This trigger returns this kind of error

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You for every line

  Enter email for each line before email / post.    

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