mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-10-04 16:36:52 +02:00
29 lines
716 B
C
29 lines
716 B
C
/*-------------------------------------------------------------------------
|
|
*
|
|
* 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 SPCCACHE_H
|
|
#define SPCCACHE_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 /* SPCCACHE_H */
|