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Make imgsmlr compatible with PostgreSQL 16#16

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mperice wants to merge2 commits intopostgrespro:master
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5 changes: 5 additions & 0 deletionsimgsmlr.c
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Original file line numberDiff line numberDiff line change
Expand Up@@ -13,6 +13,11 @@
*-------------------------------------------------------------------------
*/
#include "postgres.h"
#ifdef PG_VERSION_NUM
#if PG_VERSION_NUM >= 160000
#include "varatt.h"
#endif
#endif

#include "c.h"
#include "fmgr.h"
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10 changes: 10 additions & 0 deletionsimgsmlr.h
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Expand Up@@ -37,3 +37,13 @@ typedef struct
#define CHECK_SIGNATURE_KEY(key) Assert(VARSIZE_ANY_EXHDR(key) == sizeof(Signature) || VARSIZE_ANY_EXHDR(key) == 2 * sizeof(Signature));

#endif /* IMGSMLR_H */


#ifndef FALSE
#define FALSE (0)
#endif


#ifndef TRUE
#define TRUE (!FALSE)
#endif
36 changes: 23 additions & 13 deletionsimgsmlr_idx.c
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Original file line numberDiff line numberDiff line change
Expand Up@@ -13,6 +13,13 @@
*-------------------------------------------------------------------------
*/
#include "postgres.h"

#ifdef PG_VERSION_NUM
#if PG_VERSION_NUM >= 160000
#include "varatt.h"
#endif
#endif

#include "fmgr.h"
#include "imgsmlr.h"
#include "access/gist.h"
Expand DownExpand Up@@ -77,19 +84,22 @@ signature_compress(PG_FUNCTION_ARGS)
Datum
signature_decompress(PG_FUNCTION_ARGS)
{
GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
bytea *key = DatumGetByteaP(PG_DETOAST_DATUM(entry->key));

if (key != DatumGetByteaP(entry->key))
{
GISTENTRY *retval = (GISTENTRY *) palloc(sizeof(GISTENTRY));

gistentryinit(*retval, PointerGetDatum(key),
entry->rel, entry->page,
entry->offset, FALSE);
PG_RETURN_POINTER(retval);
}
PG_RETURN_POINTER(entry);
GISTENTRY *entry = (GISTENTRY *) PG_GETARG_POINTER(0);
bytea *detoastedKey = DatumGetByteaP(entry->key);
bytea *key = (bytea *) entry->key;

// Variable key is the original entry->key before detoasting, and it’s compared with the
// detoasted key. If they’re different, a new GISTENTRY is created. Otherwise, the original entry is returned.
if (key != detoastedKey)
{
GISTENTRY *retval = (GISTENTRY *) palloc(sizeof(GISTENTRY));

gistentryinit(*retval, PointerGetDatum(key),
entry->rel, entry->page,
entry->offset, FALSE);
PG_RETURN_POINTER(retval);
}
PG_RETURN_POINTER(entry);
}

Datum
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