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Add binary I/O routines for a bunch more datatypes. Still a few to go,

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but that was enough tedium for one day.  Along the way, move the few
support routines for types xid and cid into a more logical place.
This commit is contained in:
Tom Lane
2003-05-12 23:08:52 +00:00
parent b02832719c
commit 30f609484d
25 changed files with 1133 additions and 216 deletions
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107
src/backend/utils/adt/date.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/date.c,v 1.81 2003/04/08 17:02:04 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/date.c,v 1.82 2003/05/12 23:08:50 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -21,6 +21,7 @@
#include <float.h>
#include "access/hash.h"
#include "libpq/pqformat.h"
#include "miscadmin.h"
#include "utils/builtins.h"
#include "utils/date.h"
@@ -117,6 +118,32 @@ date_out(PG_FUNCTION_ARGS)
PG_RETURN_CSTRING(result);
}
/*
* date_recv - converts external binary format to date
*/
Datum
date_recv(PG_FUNCTION_ARGS)
{
StringInfo buf = (StringInfo) PG_GETARG_POINTER(0);
PG_RETURN_DATEADT((DateADT) pq_getmsgint(buf, sizeof(DateADT)));
}
/*
* date_send - converts date to binary format
*/
Datum
date_send(PG_FUNCTION_ARGS)
{
DateADT date = PG_GETARG_DATEADT(0);
StringInfoData buf;
pq_begintypsend(&buf);
pq_sendint(&buf, date, sizeof(date));
PG_RETURN_BYTEA_P(pq_endtypsend(&buf));
}
Datum
date_eq(PG_FUNCTION_ARGS)
{
@@ -594,6 +621,43 @@ time_out(PG_FUNCTION_ARGS)
PG_RETURN_CSTRING(result);
}
/*
* time_recv - converts external binary format to time
*
* We make no attempt to provide compatibility between int and float
* time representations ...
*/
Datum
time_recv(PG_FUNCTION_ARGS)
{
StringInfo buf = (StringInfo) PG_GETARG_POINTER(0);
#ifdef HAVE_INT64_TIMESTAMP
PG_RETURN_TIMEADT((TimeADT) pq_getmsgint64(buf));
#else
PG_RETURN_TIMEADT((TimeADT) pq_getmsgfloat8(buf));
#endif
}
/*
* time_send - converts time to binary format
*/
Datum
time_send(PG_FUNCTION_ARGS)
{
TimeADT time = PG_GETARG_TIMEADT(0);
StringInfoData buf;
pq_begintypsend(&buf);
#ifdef HAVE_INT64_TIMESTAMP
pq_sendint64(&buf, time);
#else
pq_sendfloat8(&buf, time);
#endif
PG_RETURN_BYTEA_P(pq_endtypsend(&buf));
}
/* time_scale()
* Adjust time type for specified scale factor.
* Used by PostgreSQL type system to stuff columns.
@@ -1349,6 +1413,47 @@ timetz_out(PG_FUNCTION_ARGS)
PG_RETURN_CSTRING(result);
}
/*
* timetz_recv - converts external binary format to timetz
*/
Datum
timetz_recv(PG_FUNCTION_ARGS)
{
StringInfo buf = (StringInfo) PG_GETARG_POINTER(0);
TimeTzADT *time;
time = (TimeTzADT *) palloc(sizeof(TimeTzADT));
#ifdef HAVE_INT64_TIMESTAMP
time->time = pq_getmsgint64(buf);
#else
time->time = pq_getmsgfloat8(buf);
#endif
time->zone = pq_getmsgint(buf, sizeof(time->zone));
PG_RETURN_TIMETZADT_P(time);
}
/*
* timetz_send - converts timetz to binary format
*/
Datum
timetz_send(PG_FUNCTION_ARGS)
{
TimeTzADT *time = PG_GETARG_TIMETZADT_P(0);
StringInfoData buf;
pq_begintypsend(&buf);
#ifdef HAVE_INT64_TIMESTAMP
pq_sendint64(&buf, time->time);
#else
pq_sendfloat8(&buf, time->time);
#endif
pq_sendint(&buf, time->zone, sizeof(time->zone));
PG_RETURN_BYTEA_P(pq_endtypsend(&buf));
}
/* timetz2tm()
* Convert TIME WITH TIME ZONE data type to POSIX time structure.
*/