mirror of
https://github.com/postgres/postgres.git
synced 2026-03-07 07:40:31 -05:00
1d0dd471fa
I'm able to get through a 'make' of the backend with no errors except the occasional 'might not be initialized error', which is nothing major, just annoying. Have a few patches from D'Arcy to incorporate, but am waiting until I can get a clean compile first, which I'm hoping to have before bed, or sometime tomorrow.
78 lines
2 KiB
C
78 lines
2 KiB
C
/*-------------------------------------------------------------------------
|
|
*
|
|
* parsetree.h--
|
|
* Routines to access various components and subcomponents of
|
|
* parse trees.
|
|
*
|
|
*
|
|
* Copyright (c) 1994, Regents of the University of California
|
|
*
|
|
* $Id: parsetree.h,v 1.2 1996/11/06 10:30:39 scrappy Exp $
|
|
*
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
#ifndef PARSETREE_H
|
|
#define PARSETREE_H /* include once only */
|
|
|
|
/* ----------------
|
|
* need pg_list.h for definitions of CAR(), etc. macros
|
|
* ----------------
|
|
*/
|
|
|
|
/* ----------------
|
|
* range table macros
|
|
*
|
|
* parse tree:
|
|
* (root targetlist qual)
|
|
* ^^^^
|
|
* parse root:
|
|
* (numlevels cmdtype resrel rangetable priority ruleinfo nestdotinfo)
|
|
* ^^^^^^^^^^
|
|
* range table:
|
|
* (rtentry ...)
|
|
*
|
|
* rtentry:
|
|
* note: this might be wrong, I don't understand how
|
|
* rt_time / rt_archive_time work together. anyways it
|
|
* looks something like:
|
|
*
|
|
* (relname ? relid timestuff flags rulelocks)
|
|
* or (new/cur relname relid timestuff flags rulelocks)
|
|
*
|
|
* someone who knows more should correct this -cim 6/9/91
|
|
* ----------------
|
|
*/
|
|
|
|
#define rt_relname(rt_entry) \
|
|
((!strcmp(((rt_entry)->refname),"*CURRENT*") ||\
|
|
!strcmp(((rt_entry)->refname),"*NEW*")) ? ((rt_entry)->refname) : \
|
|
((char *)(rt_entry)->relname))
|
|
|
|
/*
|
|
* rt_fetch
|
|
* rt_store
|
|
*
|
|
* Access and (destructively) replace rangetable entries.
|
|
*
|
|
*/
|
|
#define rt_fetch(rangetable_index, rangetable) \
|
|
((RangeTblEntry*)nth((rangetable_index)-1, rangetable))
|
|
|
|
#define rt_store(rangetable_index, rangetable, rt) \
|
|
set_nth(rangetable, (rangetable_index)-1, rt)
|
|
|
|
/*
|
|
* getrelid
|
|
* getrelname
|
|
*
|
|
* Given the range index of a relation, return the corresponding
|
|
* relation id or relation name.
|
|
*/
|
|
#define getrelid(rangeindex,rangetable) \
|
|
((RangeTblEntry*)nth((rangeindex)-1, rangetable))->relid
|
|
|
|
#define getrelname(rangeindex, rangetable) \
|
|
rt_relname((RangeTblEntry*)nth((rangeindex)-1, rangetable))
|
|
|
|
#endif /* PARSETREE_H */
|
|
|