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c15a4c2aef
Instead of Lists of integers, we now store variable-length bitmap sets. This should be faster as well as less error-prone.
31 lines
987 B
C
31 lines
987 B
C
/*-------------------------------------------------------------------------
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*
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* var.h
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* prototypes for var.c.
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*
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*
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* Portions Copyright (c) 1996-2002, 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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* $Id: var.h,v 1.26 2003/02/08 20:20:55 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef VAR_H
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#define VAR_H
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#include "nodes/relation.h"
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extern Relids pull_varnos(Node *node);
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extern bool contain_var_reference(Node *node, int varno, int varattno,
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int levelsup);
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extern bool contain_whole_tuple_var(Node *node, int varno, int levelsup);
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extern bool contain_var_clause(Node *node);
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extern bool contain_vars_of_level(Node *node, int levelsup);
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extern bool contain_vars_above_level(Node *node, int levelsup);
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extern List *pull_var_clause(Node *node, bool includeUpperVars);
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extern Node *flatten_join_alias_vars(Query *root, Node *node);
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#endif /* VAR_H */
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