mysql - Multiply in update subquery select -


i'm trying update table based on 2 select subquery multipied produce value harga column

here code :

update bahanmakanan  set harga = (select hargasatuan detail_bahanmakanan      idbahanmakanan = "bm01")* (select jumlah bahanmakanan      idbahanmakanan = "bm01")  idbahanmakanan = "bm01" ;

the error message return 

error code: 1093. can't specify target table 'bahanmakanan' update in clause

you can using join,

update  bahanmakanan         inner join detail_bahanmakanan b             on a.idbahanmakanan = b.idbahanmakanan  set     a.harga = a.jumlah * b.hargasatuan    a.idbahanmakanan  = 'bm01'

please backup first database before executing statement.


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