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Add Var.varlevelup to code. More parser cleanup.

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This commit is contained in:
Bruce Momjian
1998-01-20 22:12:17 +00:00
parent 412a5e6539
commit 7f31669bea
25 changed files with 158 additions and 104 deletions
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4
src/include/nodes/primnodes.h
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@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: primnodes.h,v 1.15 1998/01/19 18:11:10 momjian Exp $
* $Id: primnodes.h,v 1.16 1998/01/20 22:12:14 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@@ -104,6 +104,7 @@ typedef struct Expr
* (could be INNER or OUTER)
* varattno - attribute number of this var, or zero for all
* vartype - pg_type tuple oid for the type of this var
* varlevelsup - for subquery variables referencing outer relations
* varnoold - keep varno around in case it got changed to INNER/
* OUTER (see match_varid)
* varoattno - attribute number of this var
@@ -122,6 +123,7 @@ typedef struct Var
Index varno;
AttrNumber varattno;
Oid vartype;
Index varlevelsup; /* erased by upper optimizer */
Index varnoold; /* only used by optimizer */
AttrNumber varoattno; /* only used by optimizer */
} Var;