*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/access/common/tupdesc.c,v 1.15 1997/08/21 01:31:24 vadim Exp $
+ * $Header: /cvsroot/pgsql/src/backend/access/common/tupdesc.c,v 1.16 1997/08/21 03:01:15 momjian Exp $
*
* NOTES
* some of the executor utility code such as "ExecTypeFromTL" should be
memset(att->attname.data,0,NAMEDATALEN);
- att->attnvals = 0; /* dummy value */
+ att->attdisbursion = 0; /* dummy value */
att->attcacheoff = -1;
att->attnum = attributeNumber;
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/catalog/heap.c,v 1.19 1997/08/21 02:27:53 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/catalog/heap.c,v 1.20 1997/08/21 03:01:21 momjian Exp $
*
* INTERFACE ROUTINES
* heap_creatr() - Create an uncataloged heap relation
* work? Is it automatic now? Expects the caller to have
* attname, atttypid, atttyparg, attproc, and attlen domains filled.
* Create fills the attnum domains sequentually from zero,
- * fills the attnvals domains with zeros, and fills the
+ * fills the attdisbursion domains with zeros, and fills the
* attrelid fields with the relid.
*
* scan relation catalog for name conflict
dpp = tupdesc->attrs;
for (i = 0; i < natts; i++) {
(*dpp)->attrelid = new_rel_oid;
- (*dpp)->attnvals = 0;
+ (*dpp)->attdisbursion = 0;
tup = heap_addheader(Natts_pg_attribute,
ATTRIBUTE_TUPLE_SIZE,
dpp = HeapAtt;
for (i = 0; i < -1 - FirstLowInvalidHeapAttributeNumber; i++) {
(*dpp)->attrelid = new_rel_oid;
- /* (*dpp)->attnvals = 0; unneeded */
+ /* (*dpp)->attdisbursion = 0; unneeded */
tup = heap_addheader(Natts_pg_attribute,
ATTRIBUTE_TUPLE_SIZE,
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/commands/Attic/command.c,v 1.11 1997/08/21 01:32:19 vadim Exp $
+ * $Header: /cvsroot/pgsql/src/backend/commands/Attic/command.c,v 1.12 1997/08/21 03:01:27 momjian Exp $
*
* NOTES
* The PortalExecutorHeapMemory crap needs to be eliminated
(Datum) NULL);
attributeD.attrelid = reltup->t_oid;
- attributeD.attnvals = 0; /* XXX temporary */
+ attributeD.attdisbursion = 0; /* XXX temporary */
attributeD.attcacheoff = -1;
attributeTuple = heap_addheader(Natts_pg_attribute,
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.40 1997/08/21 02:27:58 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/commands/vacuum.c,v 1.41 1997/08/21 03:01:36 momjian Exp $
*
*-------------------------------------------------------------------------
*/
}
if (selratio > 1.0)
selratio = 1.0;
- attp->attnvals = selratio;
+ attp->attdisbursion = selratio;
WriteNoReleaseBuffer(abuf);
/* DO PG_STATISTIC INSERTS */
*
*
* IDENTIFICATION
- * $Header: /cvsroot/pgsql/src/backend/executor/execUtils.c,v 1.12 1997/08/20 14:53:20 momjian Exp $
+ * $Header: /cvsroot/pgsql/src/backend/executor/execUtils.c,v 1.13 1997/08/21 03:01:42 momjian Exp $
*
*-------------------------------------------------------------------------
*/
att->atttypid = typeID;
att->attdefrel = 0; /* dummy value */
- att->attnvals = 0; /* dummy value */
+ att->attdisbursion = 0; /* dummy value */
att->atttyparg = 0; /* dummy value */
att->attlen = attLen;
att->attnum = attNum;
*
*
* 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 $
*
*-------------------------------------------------------------------------
*/
*/
#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);
if (NONVALUE(attno) || NONVALUE(relid))
*result = 0.1;
else
- *result = (float64data)getattnvals(relid, (int) attno);
+ *result = (float64data)getattdisbursion(relid, (int) attno);
return(result);
}
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 {
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;
}
/*
- * 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.
* for gethilokey which accesses stahikey in struct statistic.
*/
static float32data
-getattnvals(Oid relid, AttrNumber attnum)
+getattdisbursion(Oid relid, AttrNumber attnum)
{
HeapTuple atp;
float32data nvals;
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),
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;
*
* Copyright (c) 1994, Regents of the University of California
*
- * $Id: pg_attribute.h,v 1.10 1997/08/21 02:28:52 momjian Exp $
+ * $Id: pg_attribute.h,v 1.11 1997/08/21 03:02:13 momjian Exp $
*
* NOTES
* the genbki.sh script reads this file and generates .bki
attributes of this instance, so they had better match or Postgres
will fail.
*/
- float4 attnvals;
+ float4 attdisbursion;
int2 attlen;
/* attlen is a copy of the typlen field from pg_type for this
attribute. See atttypid above. See struct TypeTupleFormData for
#define Anum_pg_attribute_attname 2
#define Anum_pg_attribute_atttypid 3
-#define Anum_pg_attribute_attnvals 4
+#define Anum_pg_attribute_attdisbursion 4
#define Anum_pg_attribute_attlen 5
#define Anum_pg_attribute_attnum 6
{ 1249l, {"attrelid"}, 26l, 0l, 4, 1, 0l, -1l, '\001', '\0', 'i', '\0', '\0' }, \
{ 1249l, {"attname"}, 19l, 0l, NAMEDATALEN, 2, 0l, -1l, '\0', '\0', 'i', '\0', '\0' }, \
{ 1249l, {"atttypid"}, 26l, 0l, 4, 3, 0l, -1l, '\001', '\0', 'i', '\0', '\0' }, \
-{ 1249l, {"attnvals"}, 700l, 0l, 4, 4, 0l, -1l, '\001', '\0', 'i', '\0', '\0' }, \
+{ 1249l, {"attdisbursion"}, 700l, 0l, 4, 4, 0l, -1l, '\001', '\0', 'i', '\0', '\0' }, \
{ 1249l, {"attlen"}, 21l, 0l, 2, 5, 0l, -1l, '\001', '\0', 's', '\0', '\0' }, \
{ 1249l, {"attnum"}, 21l, 0l, 2, 6, 0l, -1l, '\001', '\0', 's', '\0', '\0' }, \
{ 1249l, {"attnelems"}, 23l, 0l, 4, 7, 0l, -1l, '\001', '\0', 'i', '\0', '\0' }, \
DATA(insert OID = 0 ( 1249 attrelid 26 0 4 1 0 -1 t f i f f));
DATA(insert OID = 0 ( 1249 attname 19 0 NAMEDATALEN 2 0 -1 f f i f f));
DATA(insert OID = 0 ( 1249 atttypid 26 0 4 3 0 -1 t f i f f));
-DATA(insert OID = 0 ( 1249 attnvals 700 0 4 4 0 -1 t f i f f));
+DATA(insert OID = 0 ( 1249 attdisbursion 700 0 4 4 0 -1 t f i f f));
DATA(insert OID = 0 ( 1249 attlen 21 0 2 5 0 -1 t f s f f));
DATA(insert OID = 0 ( 1249 attnum 21 0 2 6 0 -1 t f s f f));
DATA(insert OID = 0 ( 1249 attnelems 23 0 4 7 0 -1 t f i f f));
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