diff options
Diffstat (limited to 'src/include/nodes/primnodes.h')
| -rw-r--r-- | src/include/nodes/primnodes.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/include/nodes/primnodes.h b/src/include/nodes/primnodes.h index e144251dd1c..e8614492fe4 100644 --- a/src/include/nodes/primnodes.h +++ b/src/include/nodes/primnodes.h @@ -10,7 +10,7 @@ * Portions Copyright (c) 1996-2008, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/nodes/primnodes.h,v 1.141 2008/09/01 20:42:45 tgl Exp $ + * $PostgreSQL: pgsql/src/include/nodes/primnodes.h,v 1.142 2008/10/04 21:56:55 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -386,6 +386,7 @@ typedef struct BoolExpr * ROWCOMPARE_SUBLINK (lefthand) op (SELECT ...) * EXPR_SUBLINK (SELECT with single targetlist item ...) * ARRAY_SUBLINK ARRAY(SELECT with single targetlist item ...) + * CTE_SUBLINK WITH query (never actually part of an expression) * For ALL, ANY, and ROWCOMPARE, the lefthand is a list of expressions of the * same length as the subselect's targetlist. ROWCOMPARE will *always* have * a list with more than one entry; if the subselect has just one target @@ -412,6 +413,9 @@ typedef struct BoolExpr * * In EXISTS, EXPR, and ARRAY SubLinks, testexpr and operName are unused and * are always null. + * + * The CTE_SUBLINK case never occurs in actual SubLink nodes, but it is used + * in SubPlans generated for WITH subqueries. */ typedef enum SubLinkType { @@ -420,7 +424,8 @@ typedef enum SubLinkType ANY_SUBLINK, ROWCOMPARE_SUBLINK, EXPR_SUBLINK, - ARRAY_SUBLINK + ARRAY_SUBLINK, + CTE_SUBLINK /* for SubPlans only */ } SubLinkType; |