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postgres/src/include/nodes/nodeFuncs.h

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More cleanups of the include files - centralizing to simplify the -I's required to compile
30 years ago
/*-------------------------------------------------------------------------
*
Change my-function-name-- to my_function_name, and optimizer renames.
27 years ago
* nodeFuncs.h
Move exprType(), exprTypmod(), expression_tree_walker(), and related routines into nodes/nodeFuncs, so as to reduce wanton cross-subsystem #includes inside the backend. There's probably more that should be done along this line, but this is a start anyway.
18 years ago
* Various general-purpose manipulations of Node trees
More cleanups of the include files - centralizing to simplify the -I's required to compile
30 years ago
*
Update copyrights in source tree to 2008.
18 years ago
* Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group
Add: * Portions Copyright (c) 1996-2000, PostgreSQL, Inc to all files copyright Regents of Berkeley. Man, that's a lot of files.
26 years ago
* Portions Copyright (c) 1994, Regents of the University of California
More cleanups of the include files - centralizing to simplify the -I's required to compile
30 years ago
*
Extend the parser location infrastructure to include a location field in most node types used in expression trees (both before and after parse analysis). This allows us to place an error cursor in many situations where we formerly could not, because the information wasn't available beyond the very first level of parse analysis. There's a fair amount of work still to be done to persuade individual ereport() calls to actually include an error location, but this gets the initdb-forcing part of the work out of the way; and the situation is already markedly better than before for complaints about unimplementable implicit casts, such as CASE and UNION constructs with incompatible alternative data types. Per my proposal of a few days ago.
18 years ago
* $PostgreSQL: pgsql/src/include/nodes/nodeFuncs.h,v 1.28 2008/08/28 23:09:48 tgl Exp $
More cleanups of the include files - centralizing to simplify the -I's required to compile
30 years ago
*
*-------------------------------------------------------------------------
*/
#ifndef NODEFUNCS_H
#define NODEFUNCS_H
Move exprType(), exprTypmod(), expression_tree_walker(), and related routines into nodes/nodeFuncs, so as to reduce wanton cross-subsystem #includes inside the backend. There's probably more that should be done along this line, but this is a start anyway.
18 years ago
#include "nodes/parsenodes.h"
/* flags bits for query_tree_walker and query_tree_mutator */
#define QTW_IGNORE_RT_SUBQUERIES 0x01 /* subqueries in rtable */
#define QTW_IGNORE_JOINALIASES 0x02 /* JOIN alias var lists */
#define QTW_DONT_COPY_QUERY 0x04 /* do not copy top Query */
extern Oid exprType(Node *expr);
extern int32 exprTypmod(Node *expr);
extern bool exprIsLengthCoercion(Node *expr, int32 *coercedTypmod);
extern bool expression_returns_set(Node *clause);
Extend the parser location infrastructure to include a location field in most node types used in expression trees (both before and after parse analysis). This allows us to place an error cursor in many situations where we formerly could not, because the information wasn't available beyond the very first level of parse analysis. There's a fair amount of work still to be done to persuade individual ereport() calls to actually include an error location, but this gets the initdb-forcing part of the work out of the way; and the situation is already markedly better than before for complaints about unimplementable implicit casts, such as CASE and UNION constructs with incompatible alternative data types. Per my proposal of a few days ago.
18 years ago
extern int exprLocation(Node *expr);
Move exprType(), exprTypmod(), expression_tree_walker(), and related routines into nodes/nodeFuncs, so as to reduce wanton cross-subsystem #includes inside the backend. There's probably more that should be done along this line, but this is a start anyway.
18 years ago
extern bool expression_tree_walker(Node *node, bool (*walker) (),
void *context);
extern Node *expression_tree_mutator(Node *node, Node *(*mutator) (),
void *context);
extern bool query_tree_walker(Query *query, bool (*walker) (),
void *context, int flags);
extern Query *query_tree_mutator(Query *query, Node *(*mutator) (),
void *context, int flags);
extern bool range_table_walker(List *rtable, bool (*walker) (),
void *context, int flags);
extern List *range_table_mutator(List *rtable, Node *(*mutator) (),
void *context, int flags);
Break parser functions into smaller files, group together.
29 years ago
Move exprType(), exprTypmod(), expression_tree_walker(), and related routines into nodes/nodeFuncs, so as to reduce wanton cross-subsystem #includes inside the backend. There's probably more that should be done along this line, but this is a start anyway.
18 years ago
extern bool query_or_expression_tree_walker(Node *node, bool (*walker) (),
void *context, int flags);
extern Node *query_or_expression_tree_mutator(Node *node, Node *(*mutator) (),
void *context, int flags);
Another pgindent run. Fixes enum indenting, and improves #endif spacing. Also adds space for one-line comments.
25 years ago
New pgindent run with fixes suggested by Tom. Patch manually reviewed, initdb/regression tests pass.
25 years ago
#endif /* NODEFUNCS_H */