mirror of
https://github.com/postgres/postgres.git
synced 2025-11-10 17:42:29 +03:00
126 lines
2.5 KiB
C
126 lines
2.5 KiB
C
/*-------------------------------------------------------------------------
|
|
*
|
|
* oidname.c--
|
|
* adt for multiple key indices involving oid and name. Used for cache
|
|
* index scans (could also be used in the general case with name).
|
|
*
|
|
* Copyright (c) 1994, Regents of the University of California
|
|
*
|
|
*
|
|
* IDENTIFICATION
|
|
* $Header: /cvsroot/pgsql/src/backend/utils/adt/Attic/oidname.c,v 1.11 1998/01/05 16:40:10 momjian Exp $
|
|
*
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "postgres.h"
|
|
#include "utils/oidcompos.h" /* where function declarations go */
|
|
#include "utils/builtins.h" /* for pg_atoi() */
|
|
#include "utils/palloc.h"
|
|
|
|
OidName
|
|
oidnamein(char *inStr)
|
|
{
|
|
OidName oc;
|
|
char *inptr;
|
|
|
|
oc = (OidName) palloc(sizeof(OidNameData));
|
|
|
|
MemSet(oc, 0, sizeof(OidNameData));
|
|
for (inptr = inStr; *inptr && *inptr != ','; inptr++)
|
|
;
|
|
|
|
if (*inptr)
|
|
{
|
|
oc->id = (Oid) pg_atoi(inStr, sizeof(Oid), ',');
|
|
/* copy one less to ensure null-padding */
|
|
++inptr;
|
|
StrNCpy(oc->name.data, inptr, NAMEDATALEN);
|
|
}
|
|
else
|
|
elog(ERROR, "Bad input data for type oidname");
|
|
|
|
return oc;
|
|
}
|
|
|
|
char *
|
|
oidnameout(OidName oidname)
|
|
{
|
|
char buf[30 + NAMEDATALEN]; /* oidname length + oid length +
|
|
* some safety */
|
|
char *res;
|
|
|
|
sprintf(buf, "%d,%s", oidname->id, oidname->name.data);
|
|
res = pstrdup(buf);
|
|
return (res);
|
|
}
|
|
|
|
bool
|
|
oidnamelt(OidName o1, OidName o2)
|
|
{
|
|
return (bool)
|
|
(o1->id < o2->id ||
|
|
(o1->id == o2->id && namecmp(&o1->name, &o2->name) < 0));
|
|
}
|
|
|
|
bool
|
|
oidnamele(OidName o1, OidName o2)
|
|
{
|
|
return (bool)
|
|
(o1->id < o2->id ||
|
|
(o1->id == o2->id && namecmp(&o1->name, &o2->name) <= 0));
|
|
}
|
|
|
|
bool
|
|
oidnameeq(OidName o1, OidName o2)
|
|
{
|
|
return (bool)
|
|
(o1->id == o2->id &&
|
|
(namecmp(&o1->name, &o2->name) == 0));
|
|
}
|
|
|
|
bool
|
|
oidnamene(OidName o1, OidName o2)
|
|
{
|
|
return (bool)
|
|
(o1->id != o2->id ||
|
|
(namecmp(&o1->name, &o2->name) != 0));
|
|
}
|
|
|
|
bool
|
|
oidnamege(OidName o1, OidName o2)
|
|
{
|
|
return (bool) (o1->id > o2->id || (o1->id == o2->id &&
|
|
namecmp(&o1->name, &o2->name) >= 0));
|
|
}
|
|
|
|
bool
|
|
oidnamegt(OidName o1, OidName o2)
|
|
{
|
|
return (bool) (o1->id > o2->id || (o1->id == o2->id &&
|
|
namecmp(&o1->name, &o2->name) > 0));
|
|
}
|
|
|
|
int
|
|
oidnamecmp(OidName o1, OidName o2)
|
|
{
|
|
if (o1->id == o2->id)
|
|
return (namecmp(&o1->name, &o2->name));
|
|
|
|
return (o1->id < o2->id) ? -1 : 1;
|
|
}
|
|
|
|
OidName
|
|
mkoidname(Oid id, char *name)
|
|
{
|
|
OidName oidname;
|
|
|
|
oidname = (OidName) palloc(sizeof(Oid) + NAMEDATALEN);
|
|
|
|
oidname->id = id;
|
|
namestrcpy(&oidname->name, name);
|
|
return oidname;
|
|
}
|