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Commit5a8820e

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Moved from backend/access to include/access
1 parent9247b29 commit5a8820e

28 files changed

+2418
-0
lines changed

‎src/include/access/attnum.h

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/*-------------------------------------------------------------------------
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*
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* attnum.h--
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* POSTGRES attribute number definitions.
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*
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: attnum.h,v 1.1 1996/08/27 21:50:07 scrappy Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndefATTNUM_H
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#defineATTNUM_H
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#include"c.h"
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/*
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* user defined attribute numbers start at 1.-ay 2/95
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*/
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typedefint16AttrNumber;
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#defineInvalidAttrNumber0
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/* ----------------
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*support macros
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* ----------------
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*/
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/*
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* AttributeNumberIsValid --
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*True iff the attribute number is valid.
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*/
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#defineAttributeNumberIsValid(attributeNumber) \
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((bool) ((attributeNumber) != InvalidAttrNumber))
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/*
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* AttrNumberIsForUserDefinedAttr --
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*True iff the attribute number corresponds to an user defined attribute.
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*/
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#defineAttrNumberIsForUserDefinedAttr(attributeNumber) \
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((bool) ((attributeNumber) > 0))
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/*
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* AttrNumberGetAttrOffset --
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*Returns the attribute offset for an attribute number.
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*
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* Note:
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*Assumes the attribute number is for an user defined attribute.
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*/
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#defineAttrNumberGetAttrOffset(attNum) \
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(AssertMacro(AttrNumberIsForUserDefinedAttr(attNum)) ? \
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((attNum - 1)) : 0)
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/*
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* AttributeOffsetGetAttributeNumber --
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*Returns the attribute number for an attribute offset.
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*/
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#defineAttrOffsetGetAttrNumber(attributeOffset) \
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((AttrNumber) (1 + attributeOffset))
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#endif/* ATTNUM_H */

‎src/include/access/funcindex.h

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/*-------------------------------------------------------------------------
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*
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* funcindex.h--
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*
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*
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: funcindex.h,v 1.1 1996/08/27 21:50:08 scrappy Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef_FUNC_INDEX_INCLUDED_
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#define_FUNC_INDEX_INCLUDED_
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#include"postgres.h"
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typedefstruct {
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intnargs;
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Oidarglist[8];
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OidprocOid;
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NameDatafuncName;
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}FuncIndexInfo;
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typedefFuncIndexInfo*FuncIndexInfoPtr;
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/*
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* some marginally useful macro definitions
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*/
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/* #define FIgetname(FINFO) (&((FINFO)->funcName.data[0]))*/
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#defineFIgetname(FINFO) (FINFO)->funcName.data
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#defineFIgetnArgs(FINFO) (FINFO)->nargs
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#defineFIgetProcOid(FINFO) (FINFO)->procOid
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#defineFIgetArg(FINFO,argnum) (FINFO)->arglist[argnum]
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#defineFIgetArglist(FINFO) (FINFO)->arglist
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#defineFIsetnArgs(FINFO,numargs) ((FINFO)->nargs = numargs)
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#defineFIsetProcOid(FINFO,id) ((FINFO)->procOid = id)
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#defineFIsetArg(FINFO,argnum,argtype) ((FINFO)->arglist[argnum] = argtype)
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#defineFIisFunctionalIndex(FINFO) (FINFO->procOid != InvalidOid)
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#endif/* FUNCINDEX_H */

‎src/include/access/genam.h

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/*-------------------------------------------------------------------------
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*
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* genam.h--
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* POSTGRES general access method definitions.
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*
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*
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* Copyright (c) 1994, Regents of the University of California
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*
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* $Id: genam.h,v 1.1 1996/08/27 21:50:09 scrappy Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndefGENAM_H
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#defineGENAM_H
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#include"postgres.h"
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#include"access/attnum.h"
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#include"access/htup.h"
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#include"access/istrat.h"
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#include"access/itup.h"
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#include"access/relscan.h"
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#include"access/skey.h"
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#include"access/sdir.h"
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#include"access/funcindex.h"
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/* ----------------
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*generalized index_ interface routines
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* ----------------
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*/
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externRelationindex_open(OidrelationId);
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externRelationindex_openr(char*relationName);
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externvoidindex_close(Relationrelation);
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externInsertIndexResultindex_insert(Relationrelation,
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Datum*datum,char*nulls,
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ItemPointerheap_t_ctid);
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externvoidindex_delete(Relationrelation,ItemPointerindexItem);
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externIndexScanDescindex_beginscan(Relationrelation,boolscanFromEnd,
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uint16numberOfKeys,ScanKeykey);
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externvoidindex_rescan(IndexScanDescscan,boolscanFromEnd,ScanKeykey);
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externvoidindex_endscan(IndexScanDescscan);
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externvoidindex_markpos(IndexScanDescscan);
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externvoidindex_restrpos(IndexScanDescscan);
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externRetrieveIndexResultindex_getnext(IndexScanDescscan,
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ScanDirectiondirection);
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externRegProcedureindex_getprocid(Relationirel,AttrNumberattnum,
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uint16procnum);
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externDatumGetIndexValue(HeapTupletuple,TupleDeschTupDesc,
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intattOff,AttrNumberattrNums[],FuncIndexInfo*fInfo,
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bool*attNull,Bufferbuffer);
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/* in genam.c */
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externIndexScanDescRelationGetIndexScan(Relationrelation,boolscanFromEnd,
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uint16numberOfKeys,ScanKeykey);
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externvoidIndexScanRestart(IndexScanDescscan,boolscanFromEnd,
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ScanKeykey);
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externvoidIndexScanEnd(IndexScanDescscan);
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externvoidIndexScanMarkPosition(IndexScanDescscan);
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externvoidIndexScanRestorePosition(IndexScanDescscan);
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#endif/* GENAM_H */

‎src/include/access/gist.h

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/*-------------------------------------------------------------------------
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*
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* gist.h--
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* common declarations for the GiST access method code.
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*
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*
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*
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*
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*
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*-------------------------------------------------------------------------
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*/
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#ifndefGIST_H
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#defineGIST_H
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#include"utils/rel.h"
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#include"storage/off.h"
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#include"storage/block.h"
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#include"storage/bufpage.h"
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#include"access/skey.h"
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/*
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** You can have as many strategies as you please in GiSTs, as
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** long as your consistent method can handle them
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*/
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#defineGISTNStrategies100
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/*
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** Helper routines
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*/
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#defineGISTNProcs8
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#defineGIST_CONSISTENT_PROC1
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#defineGIST_UNION_PROC2
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#defineGIST_COMPRESS_PROC3
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#defineGIST_DECOMPRESS_PROC4
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#defineGIST_PENALTY_PROC5
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#defineGIST_PICKSPLIT_PROC6
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#defineGIST_EQUAL_PROC 7
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#defineGIST_INFO_PROC8
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#defineF_LEAF(1 << 0)
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typedefstructGISTPageOpaqueData {
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uint32flags;
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}GISTPageOpaqueData;
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typedefGISTPageOpaqueData*GISTPageOpaque;
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#defineGIST_LEAF(entry) (((GISTPageOpaque) PageGetSpecialPointer((entry)->page))->flags & F_LEAF)
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/*
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* When we descend a tree, we keep a stack of parent pointers.
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*/
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typedefstructGISTSTACK {
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structGISTSTACK*gs_parent;
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OffsetNumbergs_child;
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BlockNumbergs_blk;
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}GISTSTACK;
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typedefstructGISTSTATE {
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func_ptrconsistentFn;
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func_ptrunionFn;
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func_ptrcompressFn;
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func_ptrdecompressFn;
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func_ptrpenaltyFn;
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func_ptrpicksplitFn;
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func_ptrequalFn;
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boolhaskeytype;
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boolkeytypbyval;
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}GISTSTATE;
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/*
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** When we're doing a scan, we need to keep track of the parent stack
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** for the marked and current items.
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*/
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typedefstructGISTScanOpaqueData {
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structGISTSTACK*s_stack;
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structGISTSTACK*s_markstk;
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uint16s_flags;
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structGISTSTATE*giststate;
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}GISTScanOpaqueData;
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typedefGISTScanOpaqueData*GISTScanOpaque;
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/*
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** When we're doing a scan and updating a tree at the same time, the
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** updates may affect the scan. We use the flags entry of the scan's
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** opaque space to record our actual position in response to updates
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** that we can't handle simply by adjusting pointers.
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*/
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#defineGS_CURBEFORE((uint16) (1 << 0))
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#defineGS_MRKBEFORE((uint16) (1 << 1))
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/* root page of a gist */
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#defineGISTP_ROOT0
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/*
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** When we update a relation on which we're doing a scan, we need to
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** check the scan and fix it if the update affected any of the pages it
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** touches. Otherwise, we can miss records that we should see. The only
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** times we need to do this are for deletions and splits. See the code in
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** gistscan.c for how the scan is fixed. These two constants tell us what sort
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** of operation changed the index.
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*/
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#defineGISTOP_DEL0
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#defineGISTOP_SPLIT1
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/*
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** This is the Split Vector to be returned by the PickSplit method.
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*/
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typedefstructGIST_SPLITVEC {
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OffsetNumber*spl_left;/* array of entries that go left */
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intspl_nleft;/* size of this array */
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char*spl_ldatum;/* Union of keys in spl_left */
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OffsetNumber*spl_right;/* array of entries that go right */
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intspl_nright;/* size of the array */
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char*spl_rdatum;/* Union of keys in spl_right */
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}GIST_SPLITVEC;
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/*
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** An entry on a GiST node. Contains the key (pred), as well as
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** its own location (rel,page,offset) which can supply the matching
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** pointer. The size of the pred is in bytes, and leafkey is a flag to
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** tell us if the entry is in a leaf node.
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*/
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typedefstructGISTENTRY {
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char*pred;
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Relationrel;
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Pagepage;
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OffsetNumberoffset;
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intbytes;
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boolleafkey;
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}GISTENTRY;
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/*
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** macro to initialize a GISTENTRY
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*/
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#definegistentryinit(e,pr,r,pg,o,b,l)\
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{(e).pred = pr; (e).rel = r; (e).page = pg; (e).offset = o; (e).bytes = b; (e).leafkey = l;}
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/* defined in gist.c */
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externvoidgistfreestack(GISTSTACK*s);
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externvoidinitGISTstate(GISTSTATE*giststate,Relationindex);
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externvoidgistdentryinit(GISTSTATE*giststate,GISTENTRY*e,char*pr,
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Relationr,Pagepg,OffsetNumbero,intb,booll) ;
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externvoidgistcentryinit(GISTSTATE*giststate,GISTENTRY*e,char*pr,
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Relationr,Pagepg,OffsetNumbero,intb,booll) ;
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#endif/* GIST_H */

‎src/include/access/gistscan.h

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/*-------------------------------------------------------------------------
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*
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* gistscan.h--
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* routines defined in access/gisr/gistscan.c
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*
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*
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*
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* rtscan.h,v 1.2 1995/06/14 00:06:58 jolly Exp
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*
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*-------------------------------------------------------------------------
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*/
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#ifndefGISTSCAN_H
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voidgistadjscans(Relationr,intop,BlockNumberblkno,OffsetNumberoffnum);
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#endif/* GISTSCAN_H */

‎src/include/access/giststrat.h

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/*-------------------------------------------------------------------------
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*
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* giststrat.h--
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* routines defined in access/gist/giststrat.c
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*
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*
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*
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* rtstrat.h,v 1.2 1995/02/12 02:54:51 andrew Exp
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*
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*-------------------------------------------------------------------------
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*/
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#ifndefGISTSTRAT_H
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#endif/* GISTSTRAT_H */

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