diff options
Diffstat (limited to 'src/include/nodes/parsenodes.h')
-rw-r--r-- | src/include/nodes/parsenodes.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/include/nodes/parsenodes.h b/src/include/nodes/parsenodes.h index e90b42c01e8..969d0c3bc6c 100644 --- a/src/include/nodes/parsenodes.h +++ b/src/include/nodes/parsenodes.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2000, PostgreSQL, Inc * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: parsenodes.h,v 1.101 2000/03/01 05:18:18 tgl Exp $ + * $Id: parsenodes.h,v 1.102 2000/03/14 23:06:47 thomas Exp $ * *------------------------------------------------------------------------- */ @@ -614,6 +614,7 @@ typedef struct ViewStmt { NodeTag type; char *viewname; /* name of the view */ + List *aliases; /* target column names */ Query *query; /* the SQL statement */ } ViewStmt; @@ -1131,6 +1132,12 @@ typedef struct TargetEntry * Some of the following are only used in one of * the parsing, optimizing, execution stages. * + * eref is the expanded table name and columns for the underlying + * relation. Note that for outer join syntax, allowed reference names + * could be modified as one evaluates the nested clauses (e.g. + * "SELECT ... FROM t1 NATURAL JOIN t2 WHERE ..." forbids explicit mention + * of a table name in any reference to the join column. + * * inFromCl marks those range variables that are listed in the FROM clause. * In SQL, the query can only refer to range variables listed in the * FROM clause, but POSTQUEL allows you to refer to tables not listed, @@ -1157,9 +1164,8 @@ typedef struct RangeTblEntry { NodeTag type; char *relname; /* real name of the relation */ -#ifndef DISABLE_JOIN_SYNTAX Attr *ref; /* reference names (given in FROM clause) */ -#endif + Attr *eref; /* expanded reference names */ Oid relid; /* OID of the relation */ bool inh; /* inheritance requested? */ bool inFromCl; /* present in FROM clause */ |