php - How to perform MySQL 'SUM' but to '0' decimal places? -


i have mysql table containing account balances, stored floats, 2 decimal places, in varbinary column type (because values aes_encrypted).

i realise it's not ideal storing values floats , in later tables no longer are, can't legacy table yet, need work is.

i'm trying compute sum of balances, able code below:

$s=$dbh->prepare("     select         sum(aes_decrypt(a.acct_balance, '".dbkey."'))   tbal             accounts     inner join         coa c     on         a.acc_id = c.acc_id             c.acc_type_id = ?     ,         a.acc_type = 1 ");

however, reports display balances individually 0 decimal spaces , if add up, different result above query computed using values 2 decimal places, after converting result 0 decimal places.

i think need inform mysql temporarily convert each value 0 decimal spaces before adding running total, how that?

the values i'm displaying in report converted using:

$val = number_format($val, 0, '', ',');

it might simple this?

sum(round(aes_decrypt(a.acct_balance, '".dbkey."')))

that make sum of rounded values


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