Add comment about possible zero value.

bmomjian · bmomjian · commit 8999ce097f29 · 1996-10-05T20:33:45.000Z
diff --git a/src/include/nodes/primnodes.h b/src/include/nodes/primnodes.h
@@ -6,7 +6,7 @@
  *
  * Copyright (c) 1994, Regents of the University of California
  *
- * $Id: primnodes.h,v 1.1 1996/08/28 01:57:46 scrappy Exp $
+ * $Id: primnodes.h,v 1.2 1996/10/05 20:33:45 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -105,7 +105,7 @@ typedef struct Expr {
  * Var
  *	varno 		- index of this var's relation in the range table
  *			  (could be INNER or OUTER)
- *	varattno 	- attribute number of this var
+ *	varattno 	- attribute number of this var, or zero for all
  *	vartype 	- pg_type tuple oid for the type of this var
  *	varnoold	- keep varno around in case it got changed to INNER/
  *			  OUTER (see match_varid)

Original file line number	Diff line number	Diff line change
`@@ -6,7 +6,7 @@`
`6`	`6`	`*`
`7`	`7`	`* Copyright (c) 1994, Regents of the University of California`
`8`	`8`	`*`
`9`		`- * $Id: primnodes.h,v 1.1 1996/08/28 01:57:46 scrappy Exp $`
	`9`	`+ * $Id: primnodes.h,v 1.2 1996/10/05 20:33:45 momjian Exp $`
`10`	`10`	`*`
`11`	`11`	`*-------------------------------------------------------------------------`
`12`	`12`	`*/`
`@@ -105,7 +105,7 @@ typedef struct Expr {`
`105`	`105`	`* Var`
`106`	`106`	`* varno - index of this var's relation in the range table`
`107`	`107`	`* (could be INNER or OUTER)`
`108`		`- * varattno - attribute number of this var`
	`108`	`+ * varattno - attribute number of this var, or zero for all`
`109`	`109`	`* vartype - pg_type tuple oid for the type of this var`
`110`	`110`	`* varnoold - keep varno around in case it got changed to INNER/`
`111`	`111`	`* OUTER (see match_varid)`