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* Portions Copyright (c) 1996-2000, PostgreSQL, Inc to all files copyright Regents of Berkeley. Man, that's a lot of files.
57 lines
1.2 KiB
C
57 lines
1.2 KiB
C
/*-------------------------------------------------------------------------
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*
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* internal.h
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* Definitions required throughout the query optimizer.
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*
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*
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* Portions Copyright (c) 1996-2000, PostgreSQL, Inc
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $Id: internal.h,v 1.26 2000/01/26 05:58:20 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef INTERNAL_H
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#define INTERNAL_H
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#include "catalog/pg_index.h"
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/*
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* ---------- SHARED MACROS
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*
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* Macros common to modules for creating, accessing, and modifying
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* query tree and query plan components.
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* Shared with the executor.
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*
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*/
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/*
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* Size estimates
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*
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*/
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/* The cost of sequentially scanning a materialized temporary relation
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*/
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#define _NONAME_SCAN_COST_ 10
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/* The number of pages and tuples in a materialized relation
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*/
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#define _NONAME_RELATION_PAGES_ 1
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#define _NONAME_RELATION_TUPLES_ 10
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/* The length of a variable-length field in bytes (stupid estimate...)
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*/
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#define _DEFAULT_ATTRIBUTE_WIDTH_ 12
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/*
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* Flags and identifiers
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*
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*/
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/* Identifier for (sort) temp relations */
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/* used to be -1 */
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#define _NONAME_RELATION_ID_ InvalidOid
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#endif /* INTERNAL_H */
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