postgres.git / summary / log / commit / refs

commit    e504d915bbf352ecfc4ed335af934e799bf01053
Author:   Tom Lane <tgl@sss.pgh.pa.us>
Date:     Mon May 23 23:23:36 2016 +0000
First released in: 9.6.0, 9.5.4

    Support IndexElem in raw_expression_tree_walker().
    
    Needed for cases in which INSERT ... ON CONFLICT appears inside a
    recursive CTE item.  Per bug #14153 from Thomas Alton.
    
    Patch by Peter Geoghegan, slightly adjusted by me
    
    Report: <20160521232802.22598.13537@wrigleys.postgresql.org>


 src/backend/nodes/nodeFuncs.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/backend/nodes/nodeFuncs.c b/src/backend/nodes/nodeFuncs.c
index c517dfd9d69..ce4f3707e43 100644
--- a/src/backend/nodes/nodeFuncs.c
+++ b/src/backend/nodes/nodeFuncs.c
@@ -3365,6 +3365,15 @@ raw_expression_tree_walker(Node *node,
 				/* for now, constraints are ignored */
 			}
 			break;
+		case T_IndexElem:
+			{
+				IndexElem  *indelem = (IndexElem *) node;
+
+				if (walker(indelem->expr, context))
+					return true;
+				/* collation and opclass names are deemed uninteresting */
+			}
+			break;
 		case T_GroupingSet:
 			return walker(((GroupingSet *) node)->content, context);
 		case T_LockingClause:


[parent: 9d91cd865bdc]