mysql - Assigning variables according to dynamic queries -

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i'm creating function on local server in order calculate value, variables stored on different tables

set @tmquery = concat("select sum(x) table", year, " id = ", id);  prepare stmt @tmquery; set tm = (execute stmt);

i need year , id values (which received parameters) in order filter information can sum() of relevant data, need save sum() value on different variable in order use afterwards, can in order accomplish this?


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