diff options
Diffstat (limited to 'src/include/nodes/primnodes.h')
| -rw-r--r-- | src/include/nodes/primnodes.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/src/include/nodes/primnodes.h b/src/include/nodes/primnodes.h index a567a8e26d..9a3e09b77e 100644 --- a/src/include/nodes/primnodes.h +++ b/src/include/nodes/primnodes.h @@ -10,7 +10,7 @@ * Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/nodes/primnodes.h,v 1.130 2007/06/05 21:31:08 tgl Exp $ + * $PostgreSQL: pgsql/src/include/nodes/primnodes.h,v 1.131 2007/06/11 01:16:30 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -915,6 +915,21 @@ typedef struct SetToDefault int32 typeMod; /* typemod for substituted value */ } SetToDefault; +/* + * Node representing [WHERE] CURRENT OF cursor_name + * + * CURRENT OF is a bit like a Var, in that it carries the rangetable index + * of the target relation being constrained; this aids placing the expression + * correctly during planning. We can assume however that its "levelsup" is + * always zero, due to the syntactic constraints on where it can appear. + */ +typedef struct CurrentOfExpr +{ + Expr xpr; + Index cvarno; /* RT index of target relation */ + char *cursor_name; /* name of referenced cursor */ +} CurrentOfExpr; + /*-------------------- * TargetEntry - * a target entry (used in query target lists) |