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Added empty TOASTER files and corrected some minor glitches

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in regression tests.

Jan
This commit is contained in:
Jan Wieck
1999-12-21 00:06:44 +00:00
parent 2c29c96ed6
commit e2aef49694
11 changed files with 187 additions and 14 deletions
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75
src/include/postgres.h
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@ -6,7 +6,7 @@
*
* Copyright (c) 1995, Regents of the University of California
*
* $Id: postgres.h,v 1.30 1999/11/07 23:08:32 momjian Exp $
* $Id: postgres.h,v 1.31 1999/12/21 00:06:41 wieck Exp $
*
*-------------------------------------------------------------------------
*/
@ -104,6 +104,79 @@ typedef struct varlena text;
typedef int2 int28[8];
typedef Oid oid8[8];
/*
* Proposed new layout for variable length attributes
* DO NOT USE YET - Jan
*/
#undef TUPLE_TOASTER_ACTIVE
#undef TUPLE_TOASTER_ALL_TYPES
#ifdef TUPLE_TOASTER_ACTIVE
typedef struct varattrib
{
int32 va_header; /* External/compressed storage */
/* flags and item size */
union
{
struct
{
int32 va_rawsize; /* Plain data size */
} va_compressed; /* Compressed stored attribute */
struct
{
int32 va_rawsize; /* Plain data size */
Oid va_valueid; /* Unique identifier of value */
Oid va_longrelid; /* RelID where to find chunks */
Oid va_rowid; /* Main tables row Oid */
int16 va_attno; /* Main tables attno */
} va_external; /* External stored attribute */
char va_data[1]; /* Plain stored attribute */
} va_content;
} varattrib;
#define VARATT_FLAG_EXTERNAL 0x8000
#define VARATT_FLAG_COMPRESSED 0x4000
#define VARATT_MASK_FLAGS 0xc000
#define VARATT_MASK_SIZE 0x3fff
#define VARATT_SIZEP(_PTR) (((varattrib *)(_PTR))->va_header)
#define VARATT_SIZE(PTR) (VARATT_SIZEP(PTR) & VARATT_MASK_SIZE)
#define VARATT_DATA(PTR) (((varattrib *)(PTR))->va_content.va_data)
#define VARATT_IS_EXTENDED(PTR) \
((VARATT_SIZEP(PTR) & VARATT_MASK_FLAGS) != 0)
#define VARATT_IS_EXTERNAL(PTR) \
((VARATT_SIZEP(PTR) & VARATT_FLAG_EXTERNAL) != 0)
#define VARATT_IS_COMPRESSED(PTR) \
((VARATT_SIZEP(PTR) & VARATT_FLAG_COMPRESSED) != 0)
/* ----------
* This is regularly declared in access/tuptoaster.h,
* but we don't want to include that into every source,
* so we (evil evil evil) declare it here once more.
* ----------
*/
extern varattrib *heap_tuple_untoast_attr(varattrib *attr);
#define VARATT_GETPLAIN(_ARG,_VAR) { \
if (VARATTR_IS_EXTENDED(_ARG)) \
(_VAR) = (void *)heap_tuple_untoast_attr(_ARG); \
else \
(_VAR) = (_ARG); \
}
#define VARATT_FREE(_ARG,VAR) { \
if ((void *)(_VAR) != (void *)(_ARG)) \
pfree((void *)(_VAR)); \
}
#else /* TUPLE_TOASTER_ACTIVE */
#define VARATT_SIZE(__PTR) VARSIZE(__PTR)
#define VARATT_SIZEP(__PTR) VARSIZE(__PTR)
#endif /* TUPLE_TOASTER_ACTIVE */
/* We want NameData to have length NAMEDATALEN and int alignment,
* because that's how the data type 'name' is defined in pg_type.
* Use a union to make sure the compiler agrees.