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b89ee54e20
Reported by David Rowley: variadic macros are a problem. Get rid of them using a trick suggested by Tom Lane: add extra parentheses where needed. In the future we might decide we don't need the calls at all and remove them, but it seems appropriate to keep them while this code is still new. Also from David Rowley: brininsert() was trying to use a variable before initializing it. Fix by moving the brin_form_tuple call (which initializes the variable) to within the locked section. Reported by Peter Eisentraut: can't use "new" as a struct member name, because C++ compilers will choke on it, as reported by cpluspluscheck.
87 lines
2.2 KiB
C
87 lines
2.2 KiB
C
/*
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* brin_internal.h
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* internal declarations for BRIN indexes
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*
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* Portions Copyright (c) 1996-2014, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* IDENTIFICATION
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* src/include/access/brin_internal.h
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*/
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#ifndef BRIN_INTERNAL_H
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#define BRIN_INTERNAL_H
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#include "fmgr.h"
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#include "storage/buf.h"
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#include "storage/bufpage.h"
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#include "storage/off.h"
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#include "utils/relcache.h"
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/*
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* A BrinDesc is a struct designed to enable decoding a BRIN tuple from the
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* on-disk format to an in-memory tuple and vice-versa.
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*/
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/* struct returned by "OpcInfo" amproc */
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typedef struct BrinOpcInfo
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{
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/* Number of columns stored in an index column of this opclass */
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uint16 oi_nstored;
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/* Opaque pointer for the opclass' private use */
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void *oi_opaque;
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/* Type IDs of the stored columns */
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Oid oi_typids[FLEXIBLE_ARRAY_MEMBER];
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} BrinOpcInfo;
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/* the size of a BrinOpcInfo for the given number of columns */
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#define SizeofBrinOpcInfo(ncols) \
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(offsetof(BrinOpcInfo, oi_typids) + sizeof(Oid) * ncols)
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typedef struct BrinDesc
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{
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/* Containing memory context */
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MemoryContext bd_context;
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/* the index relation itself */
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Relation bd_index;
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/* tuple descriptor of the index relation */
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TupleDesc bd_tupdesc;
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/* cached copy for on-disk tuples; generated at first use */
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TupleDesc bd_disktdesc;
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/* total number of Datum entries that are stored on-disk for all columns */
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int bd_totalstored;
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/* per-column info; bd_tupdesc->natts entries long */
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BrinOpcInfo *bd_info[FLEXIBLE_ARRAY_MEMBER];
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} BrinDesc;
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/*
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* Globally-known function support numbers for BRIN indexes. Individual
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* opclasses define their own function support numbers, which must not collide
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* with the definitions here.
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*/
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#define BRIN_PROCNUM_OPCINFO 1
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#define BRIN_PROCNUM_ADDVALUE 2
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#define BRIN_PROCNUM_CONSISTENT 3
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#define BRIN_PROCNUM_UNION 4
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/* procedure numbers up to 10 are reserved for BRIN future expansion */
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#undef BRIN_DEBUG
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#ifdef BRIN_DEBUG
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#define BRIN_elog(args) elog args
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#else
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#define BRIN_elog(args) ((void) 0)
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#endif
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/* brin.c */
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extern BrinDesc *brin_build_desc(Relation rel);
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extern void brin_free_desc(BrinDesc *bdesc);
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#endif /* BRIN_INTERNAL_H */
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