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#include "postgres.h"
#include "access/gist.h"
#include "access/itup.h"
#include "access/nbtree.h"
#include "utils/palloc.h"
#include "utils/geo_decls.h"
#include "utils/elog.h"
typedef int (*CMPFUNC) (const void *a, const void *b);
typedef void (*BINARY_UNION) (Datum *, char *);
/* used for sorting */
typedef struct rix
{
int index;
char *r;
} RIX;
/*
** Common btree-function (for all ops)
*/
extern GIST_SPLITVEC *btree_picksplit(bytea *entryvec, GIST_SPLITVEC *v,
BINARY_UNION bu, CMPFUNC cmp);
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