/* -------------------------------------------------------------------------
 *
 * attoptcache.h
 *	  Attribute options cache.
 *
 * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/utils/attoptcache.h
 *
 * -------------------------------------------------------------------------
 */
#ifndef ATTOPTCACHE_H
#define ATTOPTCACHE_H

/*
 * Attribute options.
 */
typedef struct AttributeOpts {
    int32 vl_len_; /* varlena header (do not touch directly!) */
    float8 n_distinct;
    float8 n_distinct_inherited;
} AttributeOpts;

AttributeOpts* get_attribute_options(Oid spcid, int attnum);

#endif /* ATTOPTCACHE_H */