diff options
Diffstat (limited to 'src/include/parser/parsetree.h')
| -rw-r--r-- | src/include/parser/parsetree.h | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/src/include/parser/parsetree.h b/src/include/parser/parsetree.h index ff727cfd07..4936bbdb47 100644 --- a/src/include/parser/parsetree.h +++ b/src/include/parser/parsetree.h @@ -8,7 +8,7 @@ * Portions Copyright (c) 1996-2000, PostgreSQL, Inc * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: parsetree.h,v 1.11 2000/09/12 21:07:12 tgl Exp $ + * $Id: parsetree.h,v 1.12 2000/09/25 18:14:53 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -16,12 +16,8 @@ #define PARSETREE_H #include "nodes/parsenodes.h" -#include "nodes/pg_list.h" +#include "nodes/pg_list.h" /* for nth(), etc */ -/* ---------------- - * need pg_list.h for definitions of nth(), etc. - * ---------------- - */ /* ---------------- * range table macros @@ -33,10 +29,9 @@ * rt_store * * Access and (destructively) replace rangetable entries. - * */ #define rt_fetch(rangetable_index, rangetable) \ - ((RangeTblEntry*) nth((rangetable_index)-1, rangetable)) + ((RangeTblEntry *) nth((rangetable_index)-1, rangetable)) #define rt_store(rangetable_index, rangetable, rt) \ set_nth(rangetable, (rangetable_index)-1, rt) @@ -45,9 +40,16 @@ * getrelid * * Given the range index of a relation, return the corresponding - * relation OID. + * relation OID. Note that InvalidOid will be returned if the + * RTE is for a sub-select rather than a relation. */ #define getrelid(rangeindex,rangetable) \ (rt_fetch(rangeindex, rangetable)->relid) +/* + * Given an RTE and an attribute number, return the appropriate + * variable name or alias for that attribute of that RTE. + */ +extern char *get_rte_attribute_name(RangeTblEntry *rte, AttrNumber attnum); + #endif /* PARSETREE_H */ |