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Another batch of fmgr updates. I think I have gotten all old-style

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functions that take pass-by-value datatypes.  Should be ready for
port testing ...
This commit is contained in:
Tom Lane
2000-06-13 07:35:40 +00:00
parent 8f057d971d
commit f2d1205322
51 changed files with 1640 additions and 1592 deletions
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65
src/include/fmgr.h
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@@ -11,7 +11,7 @@
* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: fmgr.h,v 1.4 2000/06/05 07:29:02 tgl Exp $
* $Id: fmgr.h,v 1.5 2000/06/13 07:35:23 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -99,37 +99,49 @@ extern void fmgr_info(Oid functionId, FmgrInfo *finfo);
*/
#define PG_ARGISNULL(n) (fcinfo->argnull[n])
#if 1
/* VERY TEMPORARY until some TOAST support is committed ... */
#define PG_DETOAST_DATUM(datum) \
((struct varlena *) DatumGetPointer(datum))
#else
/* Eventually it will look more like this... */
#define PG_DETOAST_DATUM(datum) \
(VARATT_IS_EXTENDED(DatumGetPointer(datum)) ? \
(struct varlena *) heap_tuple_untoast_attr((varattrib *) DatumGetPointer(datum)) : \
(struct varlena *) DatumGetPointer(datum))
#endif
/* Macros for fetching arguments of standard types */
#define PG_GETARG_DATUM(n) (fcinfo->arg[n])
#define PG_GETARG_INT32(n) DatumGetInt32(fcinfo->arg[n])
#define PG_GETARG_UINT32(n) DatumGetUInt32(fcinfo->arg[n])
#define PG_GETARG_INT16(n) DatumGetInt16(fcinfo->arg[n])
#define PG_GETARG_CHAR(n) DatumGetChar(fcinfo->arg[n])
#define PG_GETARG_BOOL(n) DatumGetBool(fcinfo->arg[n])
#define PG_GETARG_OID(n) DatumGetObjectId(fcinfo->arg[n])
#define PG_GETARG_POINTER(n) DatumGetPointer(fcinfo->arg[n])
#define PG_GETARG_CSTRING(n) DatumGetCString(fcinfo->arg[n])
#define PG_GETARG_NAME(n) DatumGetName(fcinfo->arg[n])
#define PG_GETARG_INT32(n) DatumGetInt32(PG_GETARG_DATUM(n))
#define PG_GETARG_UINT32(n) DatumGetUInt32(PG_GETARG_DATUM(n))
#define PG_GETARG_INT16(n) DatumGetInt16(PG_GETARG_DATUM(n))
#define PG_GETARG_UINT16(n) DatumGetUInt16(PG_GETARG_DATUM(n))
#define PG_GETARG_CHAR(n) DatumGetChar(PG_GETARG_DATUM(n))
#define PG_GETARG_BOOL(n) DatumGetBool(PG_GETARG_DATUM(n))
#define PG_GETARG_OID(n) DatumGetObjectId(PG_GETARG_DATUM(n))
#define PG_GETARG_POINTER(n) DatumGetPointer(PG_GETARG_DATUM(n))
#define PG_GETARG_CSTRING(n) DatumGetCString(PG_GETARG_DATUM(n))
#define PG_GETARG_NAME(n) DatumGetName(PG_GETARG_DATUM(n))
/* these macros hide the pass-by-reference-ness of the datatype: */
#define PG_GETARG_FLOAT4(n) DatumGetFloat4(fcinfo->arg[n])
#define PG_GETARG_FLOAT8(n) DatumGetFloat8(fcinfo->arg[n])
#define PG_GETARG_INT64(n) DatumGetInt64(fcinfo->arg[n])
#define PG_GETARG_FLOAT4(n) DatumGetFloat4(PG_GETARG_DATUM(n))
#define PG_GETARG_FLOAT8(n) DatumGetFloat8(PG_GETARG_DATUM(n))
#define PG_GETARG_INT64(n) DatumGetInt64(PG_GETARG_DATUM(n))
/* use this if you want the raw, possibly-toasted input datum: */
#define PG_GETARG_RAW_VARLENA_P(n) ((struct varlena *) PG_GETARG_POINTER(n))
/* use this if you want the input datum de-toasted: */
#if 1
/* VERY TEMPORARY until some TOAST support is committed ... */
#define PG_GETARG_VARLENA_P(n) PG_GETARG_RAW_VARLENA_P(n)
#else
/* Eventually it will look more like this... */
#define PG_GETARG_VARLENA_P(n) \
(VARATT_IS_EXTENDED(PG_GETARG_RAW_VARLENA_P(n)) ? \
(struct varlena *) heap_tuple_untoast_attr((varattrib *) PG_GETARG_RAW_VARLENA_P(n)) : \
PG_GETARG_RAW_VARLENA_P(n))
#endif
#define PG_GETARG_VARLENA_P(n) PG_DETOAST_DATUM(PG_GETARG_DATUM(n))
/* DatumGetFoo macros for varlena types will typically look like this: */
#define DatumGetByteaP(X) ((bytea *) PG_DETOAST_DATUM(X))
#define DatumGetTextP(X) ((text *) PG_DETOAST_DATUM(X))
#define DatumGetBpCharP(X) ((BpChar *) PG_DETOAST_DATUM(X))
#define DatumGetVarCharP(X) ((VarChar *) PG_DETOAST_DATUM(X))
/* GETARG macros for varlena types will typically look like this: */
#define PG_GETARG_TEXT_P(n) ((text *) PG_GETARG_VARLENA_P(n))
#define PG_GETARG_BYTEA_P(n) DatumGetByteaP(PG_GETARG_DATUM(n))
#define PG_GETARG_TEXT_P(n) DatumGetTextP(PG_GETARG_DATUM(n))
#define PG_GETARG_BPCHAR_P(n) DatumGetBpCharP(PG_GETARG_DATUM(n))
#define PG_GETARG_VARCHAR_P(n) DatumGetVarCharP(PG_GETARG_DATUM(n))
/* To return a NULL do this: */
#define PG_RETURN_NULL() \
@@ -151,7 +163,10 @@ extern void fmgr_info(Oid functionId, FmgrInfo *finfo);
#define PG_RETURN_FLOAT8(x) return Float8GetDatum(x)
#define PG_RETURN_INT64(x) return Int64GetDatum(x)
/* RETURN macros for other pass-by-ref types will typically look like this: */
#define PG_RETURN_TEXT_P(x) PG_RETURN_POINTER(x)
#define PG_RETURN_BYTEA_P(x) PG_RETURN_POINTER(x)
#define PG_RETURN_TEXT_P(x) PG_RETURN_POINTER(x)
#define PG_RETURN_BPCHAR_P(x) PG_RETURN_POINTER(x)
#define PG_RETURN_VARCHAR_P(x) PG_RETURN_POINTER(x)
/*-------------------------------------------------------------------------