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51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/*-------------------------------------------------------------------------
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*
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* parse_node.h
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*
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*
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* Portions Copyright (c) 1996-2001, 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: parse_node.h,v 1.24 2001/01/24 19:43:27 momjian Exp $
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*
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*-------------------------------------------------------------------------
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*/
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#ifndef PARSE_NODE_H
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#define PARSE_NODE_H
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#include "nodes/parsenodes.h"
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#include "utils/rel.h"
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/*
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* State information used during parse analysis
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*/
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typedef struct ParseState
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{
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struct ParseState *parentParseState; /* stack link */
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List *p_rtable; /* range table so far */
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List *p_joinlist; /* join items so far (will become
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* FromExpr node's fromlist) */
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int p_last_resno; /* last targetlist resno assigned */
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List *p_forUpdate; /* FOR UPDATE clause, if any (see gram.y) */
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bool p_hasAggs;
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bool p_hasSubLinks;
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bool p_is_insert;
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bool p_is_update;
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Relation p_target_relation;
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RangeTblEntry *p_target_rangetblentry;
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} ParseState;
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extern ParseState *make_parsestate(ParseState *parentParseState);
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extern Expr *make_op(char *opname, Node *ltree, Node *rtree);
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extern Node *make_operand(char *opname, Node *tree,
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Oid orig_typeId, Oid target_typeId);
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extern Var *make_var(ParseState *pstate, RangeTblEntry *rte, int attrno);
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extern ArrayRef *transformArraySubscripts(ParseState *pstate,
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Node *arrayBase,
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List *indirection,
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bool forceSlice,
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Node *assignFrom);
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extern Const *make_const(Value *value);
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#endif /* PARSE_NODE_H */
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