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Binary send/receive routines for a few basic datatypes --- enough for

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testing purposes.
This commit is contained in:
Tom Lane
2003-05-09 15:44:42 +00:00
parent 4207d6bf30
commit 5ecd4e3f30
13 changed files with 691 additions and 184 deletions
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69
src/backend/utils/adt/oid.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/oid.c,v 1.47 2002/06/20 20:29:38 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/oid.c,v 1.48 2003/05/09 15:44:40 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -18,8 +18,10 @@
#include <errno.h>
#include <limits.h>
#include "libpq/pqformat.h"
#include "utils/builtins.h"
/*****************************************************************************
* USER I/O ROUTINES *
*****************************************************************************/
@ -108,6 +110,31 @@ oidout(PG_FUNCTION_ARGS)
PG_RETURN_CSTRING(result);
}
/*
* oidrecv - converts external binary format to oid
*/
Datum
oidrecv(PG_FUNCTION_ARGS)
{
StringInfo buf = (StringInfo) PG_GETARG_POINTER(0);
PG_RETURN_OID((Oid) pq_getmsgint(buf, sizeof(Oid)));
}
/*
* oidsend - converts oid to binary format
*/
Datum
oidsend(PG_FUNCTION_ARGS)
{
Oid arg1 = PG_GETARG_OID(0);
StringInfoData buf;
pq_begintypsend(&buf);
pq_sendint(&buf, arg1, sizeof(Oid));
PG_RETURN_BYTEA_P(pq_endtypsend(&buf));
}
/*
* oidvectorin - converts "num num ..." to internal form
@ -119,11 +146,9 @@ Datum
oidvectorin(PG_FUNCTION_ARGS)
{
char *oidString = PG_GETARG_CSTRING(0);
Oid *result;
Oid *result = (Oid *) palloc(sizeof(Oid[INDEX_MAX_KEYS]));
int slot;
result = (Oid *) palloc(sizeof(Oid[INDEX_MAX_KEYS]));
for (slot = 0; slot < INDEX_MAX_KEYS; slot++)
{
while (*oidString && isspace((unsigned char) *oidString))
@ -173,6 +198,42 @@ oidvectorout(PG_FUNCTION_ARGS)
PG_RETURN_CSTRING(result);
}
/*
* oidvectorrecv - converts external binary format to oidvector
*/
Datum
oidvectorrecv(PG_FUNCTION_ARGS)
{
StringInfo buf = (StringInfo) PG_GETARG_POINTER(0);
Oid *result = (Oid *) palloc(sizeof(Oid[INDEX_MAX_KEYS]));
int slot;
for (slot = 0; slot < INDEX_MAX_KEYS; slot++)
{
result[slot] = (Oid) pq_getmsgint(buf, sizeof(Oid));
}
PG_RETURN_POINTER(result);
}
/*
* oidvectorsend - converts oidvector to binary format
*/
Datum
oidvectorsend(PG_FUNCTION_ARGS)
{
Oid *oidArray = (Oid *) PG_GETARG_POINTER(0);
StringInfoData buf;
int slot;
pq_begintypsend(&buf);
for (slot = 0; slot < INDEX_MAX_KEYS; slot++)
{
pq_sendint(&buf, oidArray[slot], sizeof(Oid));
}
PG_RETURN_BYTEA_P(pq_endtypsend(&buf));
}
/*****************************************************************************
* PUBLIC ROUTINES *
*****************************************************************************/