29 lines
739 B
C
29 lines
739 B
C
/*-------------------------------------------------------------------------
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*
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* attoptcache.h
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* Attribute options cache.
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*
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* Portions Copyright (c) 1996-2023, 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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* src/include/utils/attoptcache.h
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef ATTOPTCACHE_H
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#define ATTOPTCACHE_H
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/*
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* Attribute options.
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*/
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typedef struct AttributeOpts
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{
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int32 vl_len_; /* varlena header (do not touch directly!) */
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float8 n_distinct;
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float8 n_distinct_inherited;
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} AttributeOpts;
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extern AttributeOpts *get_attribute_options(Oid attrelid, int attnum);
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#endif /* ATTOPTCACHE_H */
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