Re: contrib/cache_scan (Re: What's needed for cache-only table scan?)

On Mon, Feb 24, 2014 at 2:41 PM, Haribabu Kommi <kommi(dot)haribabu(at)gmail(dot)com>wrote:

> On Fri, Feb 21, 2014 at 2:19 AM, Kohei KaiGai <kaigai(at)kaigai(dot)gr(dot)jp> wrote:
>
>> Hello,
>>
>> The attached patch is a revised one for cache-only scan module
>> on top of custom-scan interface. Please check it.
>>
>
> I will start regress and performance tests. I will inform you the same
> once i finish.
>

Getting some compilation warnings while compiling the extension and also I
am not able to load the extension because of undefined symbol
"get_restriction_qual_cost".

cscan.c: In function 'cs_estimate_costs':
cscan.c:163: warning: implicit declaration of function
'get_restriction_qual_cost'
cscan.c: In function 'cs_add_scan_path':
cscan.c:437: warning: implicit declaration of function 'bms_to_string'
cscan.c:437: warning: passing argument 1 of 'makeString' makes pointer from
integer without a cast
cscan.c: In function 'cs_begin_custom_scan':
cscan.c:493: warning: implicit declaration of function 'bms_from_string'
cscan.c:493: warning: assignment makes pointer from integer without a cast

FATAL: could not load library "/postgresql/cache_scan.so":
/postgresql/cache_scan.so: undefined symbol: get_restriction_qual_cost

Regards,
Hari Babu
Fujitsu Australia