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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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140
src/backend/utils/adt/timestamp.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/utils/adt/timestamp.c,v 1.83 2003/04/07 15:04:03 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/utils/adt/timestamp.c,v 1.84 2003/05/12 23:08:50 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -24,6 +24,7 @@
#include "access/hash.h"
#include "access/xact.h"
#include "catalog/pg_type.h"
#include "libpq/pqformat.h"
#include "miscadmin.h"
#include "utils/array.h"
#include "utils/builtins.h"
@@ -142,6 +143,43 @@ timestamp_out(PG_FUNCTION_ARGS)
PG_RETURN_CSTRING(result);
}
/*
* timestamp_recv - converts external binary format to timestamp
*
* We make no attempt to provide compatibility between int and float
* timestamp representations ...
*/
Datum
timestamp_recv(PG_FUNCTION_ARGS)
{
StringInfo buf = (StringInfo) PG_GETARG_POINTER(0);
#ifdef HAVE_INT64_TIMESTAMP
PG_RETURN_TIMESTAMP((Timestamp) pq_getmsgint64(buf));
#else
PG_RETURN_TIMESTAMP((Timestamp) pq_getmsgfloat8(buf));
#endif
}
/*
* timestamp_send - converts timestamp to binary format
*/
Datum
timestamp_send(PG_FUNCTION_ARGS)
{
Timestamp timestamp = PG_GETARG_TIMESTAMP(0);
StringInfoData buf;
pq_begintypsend(&buf);
#ifdef HAVE_INT64_TIMESTAMP
pq_sendint64(&buf, timestamp);
#else
pq_sendfloat8(&buf, timestamp);
#endif
PG_RETURN_BYTEA_P(pq_endtypsend(&buf));
}
/* timestamp_scale()
* Adjust time type for specified scale factor.
* Used by PostgreSQL type system to stuff columns.
@@ -300,7 +338,7 @@ timestamptz_in(PG_FUNCTION_ARGS)
Datum
timestamptz_out(PG_FUNCTION_ARGS)
{
TimestampTz dt = PG_GETARG_TIMESTAMP(0);
TimestampTz dt = PG_GETARG_TIMESTAMPTZ(0);
char *result;
int tz;
struct tm tt,
@@ -320,6 +358,43 @@ timestamptz_out(PG_FUNCTION_ARGS)
PG_RETURN_CSTRING(result);
}
/*
* timestamptz_recv - converts external binary format to timestamptz
*
* We make no attempt to provide compatibility between int and float
* timestamp representations ...
*/
Datum
timestamptz_recv(PG_FUNCTION_ARGS)
{
StringInfo buf = (StringInfo) PG_GETARG_POINTER(0);
#ifdef HAVE_INT64_TIMESTAMP
PG_RETURN_TIMESTAMPTZ((TimestampTz) pq_getmsgint64(buf));
#else
PG_RETURN_TIMESTAMPTZ((TimestampTz) pq_getmsgfloat8(buf));
#endif
}
/*
* timestamptz_send - converts timestamptz to binary format
*/
Datum
timestamptz_send(PG_FUNCTION_ARGS)
{
TimestampTz timestamp = PG_GETARG_TIMESTAMPTZ(0);
StringInfoData buf;
pq_begintypsend(&buf);
#ifdef HAVE_INT64_TIMESTAMP
pq_sendint64(&buf, timestamp);
#else
pq_sendfloat8(&buf, timestamp);
#endif
PG_RETURN_BYTEA_P(pq_endtypsend(&buf));
}
/* timestamptz_scale()
* Adjust time type for specified scale factor.
* Used by PostgreSQL type system to stuff columns.
@@ -327,7 +402,7 @@ timestamptz_out(PG_FUNCTION_ARGS)
Datum
timestamptz_scale(PG_FUNCTION_ARGS)
{
TimestampTz timestamp = PG_GETARG_TIMESTAMP(0);
TimestampTz timestamp = PG_GETARG_TIMESTAMPTZ(0);
int32 typmod = PG_GETARG_INT32(1);
TimestampTz result;
@@ -423,6 +498,47 @@ interval_out(PG_FUNCTION_ARGS)
PG_RETURN_CSTRING(result);
}
/*
* interval_recv - converts external binary format to interval
*/
Datum
interval_recv(PG_FUNCTION_ARGS)
{
StringInfo buf = (StringInfo) PG_GETARG_POINTER(0);
Interval *interval;
interval = (Interval *) palloc(sizeof(Interval));
#ifdef HAVE_INT64_TIMESTAMP
interval->time = pq_getmsgint64(buf);
#else
interval->time = pq_getmsgfloat8(buf);
#endif
interval->month = pq_getmsgint(buf, sizeof(interval->month));
PG_RETURN_INTERVAL_P(interval);
}
/*
* interval_send - converts interval to binary format
*/
Datum
interval_send(PG_FUNCTION_ARGS)
{
Interval *interval = PG_GETARG_INTERVAL_P(0);
StringInfoData buf;
pq_begintypsend(&buf);
#ifdef HAVE_INT64_TIMESTAMP
pq_sendint64(&buf, interval->time);
#else
pq_sendfloat8(&buf, interval->time);
#endif
pq_sendint(&buf, interval->month, sizeof(interval->month));
PG_RETURN_BYTEA_P(pq_endtypsend(&buf));
}
/* interval_scale()
* Adjust interval type for specified fields.
* Used by PostgreSQL type system to stuff columns.
@@ -1594,7 +1710,7 @@ timestamp_mi_span(PG_FUNCTION_ARGS)
Datum
timestamptz_pl_span(PG_FUNCTION_ARGS)
{
TimestampTz timestamp = PG_GETARG_TIMESTAMP(0);
TimestampTz timestamp = PG_GETARG_TIMESTAMPTZ(0);
Interval *span = PG_GETARG_INTERVAL_P(1);
TimestampTz result;
int tz;
@@ -1651,7 +1767,7 @@ timestamptz_pl_span(PG_FUNCTION_ARGS)
Datum
timestamptz_mi_span(PG_FUNCTION_ARGS)
{
TimestampTz timestamp = PG_GETARG_TIMESTAMP(0);
TimestampTz timestamp = PG_GETARG_TIMESTAMPTZ(0);
Interval *span = PG_GETARG_INTERVAL_P(1);
Interval tspan;
@@ -2094,8 +2210,8 @@ timestamp_age(PG_FUNCTION_ARGS)
Datum
timestamptz_age(PG_FUNCTION_ARGS)
{
TimestampTz dt1 = PG_GETARG_TIMESTAMP(0);
TimestampTz dt2 = PG_GETARG_TIMESTAMP(1);
TimestampTz dt1 = PG_GETARG_TIMESTAMPTZ(0);
TimestampTz dt2 = PG_GETARG_TIMESTAMPTZ(1);
Interval *result;
fsec_t fsec,
fsec1,
@@ -2463,7 +2579,7 @@ Datum
timestamptz_trunc(PG_FUNCTION_ARGS)
{
text *units = PG_GETARG_TEXT_P(0);
TimestampTz timestamp = PG_GETARG_TIMESTAMP(1);
TimestampTz timestamp = PG_GETARG_TIMESTAMPTZ(1);
TimestampTz result;
int tz;
int type,
@@ -2918,7 +3034,7 @@ Datum
timestamptz_part(PG_FUNCTION_ARGS)
{
text *units = PG_GETARG_TEXT_P(0);
TimestampTz timestamp = PG_GETARG_TIMESTAMP(1);
TimestampTz timestamp = PG_GETARG_TIMESTAMPTZ(1);
float8 result;
int tz;
int type,
@@ -3349,7 +3465,7 @@ timestamp_timestamptz(PG_FUNCTION_ARGS)
Datum
timestamptz_timestamp(PG_FUNCTION_ARGS)
{
TimestampTz timestamp = PG_GETARG_TIMESTAMP(0);
TimestampTz timestamp = PG_GETARG_TIMESTAMPTZ(0);
Timestamp result;
struct tm tt,
*tm = &tt;
@@ -3379,7 +3495,7 @@ Datum
timestamptz_zone(PG_FUNCTION_ARGS)
{
text *zone = PG_GETARG_TEXT_P(0);
TimestampTz timestamp = PG_GETARG_TIMESTAMP(1);
TimestampTz timestamp = PG_GETARG_TIMESTAMPTZ(1);
Timestamp result;
int tz;
@@ -3428,7 +3544,7 @@ Datum
timestamptz_izone(PG_FUNCTION_ARGS)
{
Interval *zone = PG_GETARG_INTERVAL_P(0);
TimestampTz timestamp = PG_GETARG_TIMESTAMP(1);
TimestampTz timestamp = PG_GETARG_TIMESTAMPTZ(1);
Timestamp result;
int tz;