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Patch by: wieck@sapserv.debis.de (Jan Wieck)

   One  of  the design rules of PostgreSQL is extensibility. And
   to follow this rule means (at least for me) that there should
   not  only  be a builtin PL.  Instead I would prefer a defined
   interface for PL implemetations.
This commit is contained in:
PostgreSQL Daemon
1998-01-15 19:46:37 +00:00
parent 763ff8aef8
commit baef78d96b
37 changed files with 340 additions and 398 deletions
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49
src/backend/commands/vacuum.c
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@@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.57 1998/01/05 16:39:05 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.58 1998/01/15 19:42:40 pgsql Exp $
*
*-------------------------------------------------------------------------
*/
@@ -67,9 +67,9 @@ static int MESSAGE_LEVEL; /* message level */
#define swapLong(a,b) {long tmp; tmp=a; a=b; b=tmp;}
#define swapInt(a,b) {int tmp; tmp=a; a=b; b=tmp;}
#define swapDatum(a,b) {Datum tmp; tmp=a; a=b; b=tmp;}
#define VacAttrStatsEqValid(stats) ( stats->f_cmpeq != NULL )
#define VacAttrStatsLtGtValid(stats) ( stats->f_cmplt != NULL && \
stats->f_cmpgt != NULL && \
#define VacAttrStatsEqValid(stats) ( stats->f_cmpeq.fn_addr != NULL )
#define VacAttrStatsLtGtValid(stats) ( stats->f_cmplt.fn_addr != NULL && \
stats->f_cmpgt.fn_addr != NULL && \
RegProcedureIsValid(stats->outfunc) )
@@ -484,35 +484,29 @@ vc_vacone(Oid relid, bool analyze, List *va_cols)
func_operator = oper("=", stats->attr->atttypid, stats->attr->atttypid, true);
if (func_operator != NULL)
{
int nargs;
pgopform = (OperatorTupleForm) GETSTRUCT(func_operator);
fmgr_info(pgopform->oprcode, &(stats->f_cmpeq), &nargs);
fmgr_info(pgopform->oprcode, &(stats->f_cmpeq));
}
else
stats->f_cmpeq = NULL;
stats->f_cmpeq.fn_addr = NULL;
func_operator = oper("<", stats->attr->atttypid, stats->attr->atttypid, true);
if (func_operator != NULL)
{
int nargs;
pgopform = (OperatorTupleForm) GETSTRUCT(func_operator);
fmgr_info(pgopform->oprcode, &(stats->f_cmplt), &nargs);
fmgr_info(pgopform->oprcode, &(stats->f_cmplt));
}
else
stats->f_cmplt = NULL;
stats->f_cmplt.fn_addr = NULL;
func_operator = oper(">", stats->attr->atttypid, stats->attr->atttypid, true);
if (func_operator != NULL)
{
int nargs;
pgopform = (OperatorTupleForm) GETSTRUCT(func_operator);
fmgr_info(pgopform->oprcode, &(stats->f_cmpgt), &nargs);
fmgr_info(pgopform->oprcode, &(stats->f_cmpgt));
}
else
stats->f_cmpgt = NULL;
stats->f_cmpgt.fn_addr = NULL;
pgttup = SearchSysCacheTuple(TYPOID,
ObjectIdGetDatum(stats->attr->atttypid),
@@ -1671,29 +1665,29 @@ vc_attrstats(Relation onerel, VRelStats *vacrelstats, HeapTuple htup)
}
if (VacAttrStatsLtGtValid(stats))
{
if ((*(stats->f_cmplt)) (value, stats->min))
if ((*fmgr_faddr(&stats->f_cmplt)) (value, stats->min))
{
vc_bucketcpy(stats->attr, value, &stats->min, &stats->min_len);
stats->min_cnt = 0;
}
if ((*(stats->f_cmpgt)) (value, stats->max))
if ((*fmgr_faddr(&stats->f_cmpgt)) (value, stats->max))
{
vc_bucketcpy(stats->attr, value, &stats->max, &stats->max_len);
stats->max_cnt = 0;
}
if ((*(stats->f_cmpeq)) (value, stats->min))
if ((*fmgr_faddr(&stats->f_cmpeq)) (value, stats->min))
stats->min_cnt++;
else if ((*(stats->f_cmpeq)) (value, stats->max))
else if ((*fmgr_faddr(&stats->f_cmpeq)) (value, stats->max))
stats->max_cnt++;
}
if ((*(stats->f_cmpeq)) (value, stats->best))
if ((*fmgr_faddr(&stats->f_cmpeq)) (value, stats->best))
stats->best_cnt++;
else if ((*(stats->f_cmpeq)) (value, stats->guess1))
else if ((*fmgr_faddr(&stats->f_cmpeq)) (value, stats->guess1))
{
stats->guess1_cnt++;
stats->guess1_hits++;
}
else if ((*(stats->f_cmpeq)) (value, stats->guess2))
else if ((*fmgr_faddr(&stats->f_cmpeq)) (value, stats->guess2))
stats->guess2_hits++;
else
value_hit = false;
@@ -1880,9 +1874,8 @@ vc_updstats(Oid relid, int npages, int ntups, bool hasindex, VRelStats *vacrelst
*
pgcform->relname.data) */ )
{
func_ptr out_function;
FmgrInfo out_function;
char *out_string;
int dummy;
for (i = 0; i < Natts_pg_statistic; ++i)
nulls[i] = ' ';
@@ -1895,11 +1888,11 @@ vc_updstats(Oid relid, int npages, int ntups, bool hasindex, VRelStats *vacrelst
values[i++] = (Datum) relid; /* 1 */
values[i++] = (Datum) attp->attnum; /* 2 */
values[i++] = (Datum) InvalidOid; /* 3 */
fmgr_info(stats->outfunc, &out_function, &dummy);
out_string = (*out_function) (stats->min, stats->attr->atttypid);
fmgr_info(stats->outfunc, &out_function);
out_string = (*fmgr_faddr(&out_function)) (stats->min, stats->attr->atttypid);
values[i++] = (Datum) fmgr(TextInRegProcedure, out_string);
pfree(out_string);
out_string = (char *) (*out_function) (stats->max, stats->attr->atttypid);
out_string = (char *) (*fmgr_faddr(&out_function)) (stats->max, stats->attr->atttypid);
values[i++] = (Datum) fmgr(TextInRegProcedure, out_string);
pfree(out_string);