Allow TRUNCATE foo, foo to succeed, per report from Nikhils.

diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c
index 1257397f356ec074f9b33b43d1a3400f95f95dd7..dcd7eaa50522bed46b81d4af377db4da84bd7d47 100644 (file)
--- a/src/backend/commands/tablecmds.c
+++ b/src/backend/commands/tablecmds.c
@@ -762,6 +762,9 @@ ExecuteTruncate(TruncateStmt *stmt)
        ResultRelInfo *resultRelInfo;
        ListCell   *cell;
 
+       /* make list unique */
+       stmt->relations = list_union(NIL, stmt->relations);
+
        /*
         * Open, exclusive-lock, and check all the explicitly-specified relations
         */