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📁 ..
📄 attnum.h(1.52 KB)
📄 clog.h(1.47 KB)
📄 genam.h(7.3 KB)
📄 gin.h(1.63 KB)
📄 gin_private.h(22.87 KB)
📄 gist.h(6.65 KB)
📄 gist_private.h(19.09 KB)
📄 gistscan.h(718 B)
📄 hash.h(12.87 KB)
📄 heapam.h(6.25 KB)
📄 hio.h(1.25 KB)
📄 htup.h(32.13 KB)
📄 itup.h(4.3 KB)
📄 multixact.h(2.83 KB)
📄 nbtree.h(27.43 KB)
📄 printtup.h(1.03 KB)
📄 reloptions.h(8.61 KB)
📄 relscan.h(4.07 KB)
📄 rewriteheap.h(1016 B)
📄 rmgr.h(804 B)
📄 sdir.h(1.43 KB)
📄 skey.h(6.87 KB)
📄 slru.h(5.16 KB)
📄 spgist.h(6.24 KB)
📄 spgist_private.h(22.11 KB)
📄 subtrans.h(973 B)
📄 sysattr.h(891 B)
📄 transam.h(6.02 KB)
📄 tupconvert.h(1.26 KB)
📄 tupdesc.h(4.25 KB)
📄 tupmacs.h(7.16 KB)
📄 tuptoaster.h(5.52 KB)
📄 twophase.h(1.75 KB)
📄 twophase_rmgr.h(1.24 KB)
📄 valid.h(1.4 KB)
📄 visibilitymap.h(1.15 KB)
📄 xact.h(8.44 KB)
📄 xlog.h(12.43 KB)
📄 xlog_internal.h(9.34 KB)
📄 xlogdefs.h(4.49 KB)
📄 xlogutils.h(956 B)

Editing: attnum.h

/*-------------------------------------------------------------------------
 *
 * attnum.h
 *	  POSTGRES attribute number definitions.
 *
 *
 * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/access/attnum.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef ATTNUM_H
#define ATTNUM_H

/*
 * user defined attribute numbers start at 1.   -ay 2/95
 */
typedef int16 AttrNumber;

#define InvalidAttrNumber		0
#define MaxAttrNumber			32767

/* ----------------
 *		support macros
 * ----------------
 */
/*
 * AttributeNumberIsValid
 *		True iff the attribute number is valid.
 */
#define AttributeNumberIsValid(attributeNumber) \
	((bool) ((attributeNumber) != InvalidAttrNumber))

/*
 * AttrNumberIsForUserDefinedAttr
 *		True iff the attribute number corresponds to an user defined attribute.
 */
#define AttrNumberIsForUserDefinedAttr(attributeNumber) \
	((bool) ((attributeNumber) > 0))

/*
 * AttrNumberGetAttrOffset
 *		Returns the attribute offset for an attribute number.
 *
 * Note:
 *		Assumes the attribute number is for an user defined attribute.
 */
#define AttrNumberGetAttrOffset(attNum) \
( \
	AssertMacro(AttrNumberIsForUserDefinedAttr(attNum)), \
	((attNum) - 1) \
)

/*
 * AttributeOffsetGetAttributeNumber
 *		Returns the attribute number for an attribute offset.
 */
#define AttrOffsetGetAttrNumber(attributeOffset) \
	 ((AttrNumber) (1 + (attributeOffset)))

#endif   /* ATTNUM_H */

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Editing: attnum.h

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