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Rename pg_attribute.attnvals to attdisbursion.

This commit is contained in:
Bruce Momjian
1997-08-21 03:02:13 +00:00
parent f1edf02cc1
commit e482462960
7 changed files with 29 additions and 29 deletions
src
backend
access
common
catalog
commands
executor
utils
include

@ -12,7 +12,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.7 1997/08/21 02:28:34 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/selfuncs.c,v 1.8 1997/08/21 03:02:04 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -41,7 +41,7 @@
*/
#define FunctionalSelectivity(nIndKeys,attNum) (attNum==InvalidAttrNumber)
static float32data getattnvals(Oid relid, AttrNumber attnum);
static float32data getattdisbursion(Oid relid, AttrNumber attnum);
static void gethilokey(Oid relid, AttrNumber attnum, Oid opid,
char **high, char **low);
@ -62,7 +62,7 @@ eqsel(Oid opid,
if (NONVALUE(attno) || NONVALUE(relid))
*result = 0.1;
else
*result = (float64data)getattnvals(relid, (int) attno);
*result = (float64data)getattdisbursion(relid, (int) attno);
return(result);
}
@ -114,7 +114,7 @@ intltsel(Oid opid,
if ((flag & SEL_RIGHT && val < low) ||
(!(flag & SEL_RIGHT) && val > high)) {
float32data nvals;
nvals = getattnvals(relid, (int) attno);
nvals = getattdisbursion(relid, (int) attno);
if (nvals == 0)
*result = 1.0 / 3.0;
else {
@ -182,8 +182,8 @@ eqjoinsel(Oid opid,
NONVALUE(attno2) || NONVALUE(relid2))
*result = 0.1;
else {
num1 = getattnvals(relid1, (int) attno1);
num2 = getattnvals(relid2, (int) attno2);
num1 = getattdisbursion(relid1, (int) attno1);
num2 = getattdisbursion(relid2, (int) attno2);
max = (num1 > num2) ? num1 : num2;
if (max == 0)
*result = 1.0;
@ -245,10 +245,10 @@ intgtjoinsel(Oid opid,
}
/*
* getattnvals - Retrieves the number of values within an attribute.
* getattdisbursion - Retrieves the number of values within an attribute.
*
* Note:
* getattnvals and gethilokey both currently use keyed
* getattdisbursion and gethilokey both currently use keyed
* relation scans and amgetattr. Alternatively,
* the relation scan could be non-keyed and the tuple
* returned could be cast (struct X *) tuple + tuple->t_hoff.
@ -259,7 +259,7 @@ intgtjoinsel(Oid opid,
* for gethilokey which accesses stahikey in struct statistic.
*/
static float32data
getattnvals(Oid relid, AttrNumber attnum)
getattdisbursion(Oid relid, AttrNumber attnum)
{
HeapTuple atp;
float32data nvals;
@ -270,11 +270,11 @@ getattnvals(Oid relid, AttrNumber attnum)
Int16GetDatum(attnum),
0,0);
if (!HeapTupleIsValid(atp)) {
elog(WARN, "getattnvals: no attribute tuple %d %d",
elog(WARN, "getattdisbursion: no attribute tuple %d %d",
relid, attnum);
return(0);
}
nvals = ((AttributeTupleForm ) GETSTRUCT(atp))->attnvals;
nvals = ((AttributeTupleForm ) GETSTRUCT(atp))->attdisbursion;
if (nvals > 0) return(nvals);
atp = SearchSysCacheTuple(RELOID, ObjectIdGetDatum(relid),
@ -283,7 +283,7 @@ getattnvals(Oid relid, AttrNumber attnum)
just for now, in case number of distinctive values is
not cached */
if (!HeapTupleIsValid(atp)) {
elog(WARN, "getattnvals: no relation tuple %d", relid);
elog(WARN, "getattdisbursion: no relation tuple %d", relid);
return(0);
}
ntuples = ((Form_pg_class) GETSTRUCT(atp))->reltuples;