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* Portions Copyright (c) 2007-2009, 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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#include "utils/relcache.h"
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extern void visibilitymap_clear(Relation rel, BlockNumber heapBlk);
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extern void visibilitymap_pin(Relation rel, BlockNumber heapBlk,