Re: generalized conveyor belt storage

On Wed, 20 Apr 2022 at 13:02, Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> wrote:
>
> What's with the free text in cbstorage.h? I would guess that this
> wouldn't even compile, and nobody has noticed because the file is not
> included by anything yet ...

I'm not able to compile:

cbfsmpage.c: In function ‘cb_fsmpage_initialize’:
cbfsmpage.c:34:11: warning: unused variable ‘fsm_block_spacing’
[-Wunused-variable]
unsigned fsm_block_spacing = cb_fsm_block_spacing(pages_per_segment);
^
cbfsmpage.c:33:14: warning: unused variable ‘first_fsm_block’
[-Wunused-variable]
BlockNumber first_fsm_block = cb_first_fsm_block(pages_per_segment);
...
cbxlog.c: In function ‘cb_xlog_allocate_payload_segment’:
cbxlog.c:70:24: error: void value not ignored as it ought to be
bool have_fsm_page = XLogRecGetBlockTag(record, 1, NULL, NULL, NULL);
^
cbxlog.c: In function ‘cb_xlog_allocate_index_segment’:
cbxlog.c:123:17: error: void value not ignored as it ought to be
have_prev_page = XLogRecGetBlockTag(record, 2, NULL, NULL, NULL);
^
cbxlog.c:124:16: error: void value not ignored as it ought to be
have_fsm_page = XLogRecGetBlockTag(record, 3, NULL, NULL, NULL);
^
cbxlog.c: In function ‘cb_xlog_recycle_payload_segment’:
cbxlog.c:311:16: error: void value not ignored as it ought to be
have_metapage = XLogRecGetBlockTag(record, 0, NULL, NULL, NULL);
^
cbxlog.c:312:18: error: void value not ignored as it ought to be
have_index_page = XLogRecGetBlockTag(record, 1, NULL, NULL, NULL);
^
cbxlog.c:313:16: error: void value not ignored as it ought to be
have_fsm_page = XLogRecGetBlockTag(record, 2, NULL, NULL, NULL);
^
make[4]: *** [cbxlog.o] Error 1
make[4]: Leaving directory
`/home/thom/Development/postgresql/src/backend/access/conveyor'
make[3]: *** [conveyor-recursive] Error 2
make[3]: Leaving directory
`/home/thom/Development/postgresql/src/backend/access'
make[2]: *** [access-recursive] Error 2

--
Thom