lib/sqlite/sqlite3.c

73152   char aff1 = sqlite3ExprAffinity(pExpr);
73153   if( aff1 && aff2 ){
73157     if( sqlite3IsNumericAffinity(aff1) || sqlite3IsNumericAffinity(aff2) ){
73162   }else if( !aff1 && !aff2 ){
73169     assert( aff1==0 || aff2==0 );
73170     return (aff1 + aff2);