Re: BUG #4114: Inconsistent ****ft operator

Roman Kononov napsal(a):
> The following bug has been logged online:
> 
> Bug reference:      4114
> Logged by:          Roman Kononov
> Email address:      kononov@[EMAIL PROTECTED]
> PostgreSQL version: 8.3.1
> Operating system:   x86_64 GNU/Linux
> Description:        Inconsistent ****ft operator
> Details: 
> 
> The below test cases show the obvious inconsistency between different
> integer types.
> 
> test=# \t
> Showing only tuples.
> test=# select 1::int2 << 17;
>          0
> 
> test=# select 1::int4 << 33;
>          2
> 
> test=# select 1::int8 << 65;
>          2
> 
> test=# select 2::int2 >> 17;
>          0
> 
> test=# select 2::int4 >> 33;
>          1
> 
> test=# select 2::int8 >> 65;
>          1

It seems to be OK regarding how C ****ft operator works. Try

#include <stdio.h>
#include <inttypes.h>

void fce(int16_t arg1, int32_t arg2)
{
         int16_t res = arg1 << arg2;
         printf("result: %i\n", res);
}

int main()
{
         fce(1,17);
         return 0;
}



		Zdenek

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