diff options
Diffstat (limited to 'src/backend/nodes/outfuncs.c')
| -rw-r--r-- | src/backend/nodes/outfuncs.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/backend/nodes/outfuncs.c b/src/backend/nodes/outfuncs.c index 37222008665..c91273cf237 100644 --- a/src/backend/nodes/outfuncs.c +++ b/src/backend/nodes/outfuncs.c @@ -13,9 +13,11 @@ * NOTES * Every node type that can appear in stored rules' parsetrees *must* * have an output function defined here (as well as an input function - * in readfuncs.c). For use in debugging, we also provide output - * functions for nodes that appear in raw parsetrees, path, and plan trees. - * These nodes however need not have input functions. + * in readfuncs.c). In addition, plan nodes should have input and + * output functions so that they can be sent to parallel workers. + * For use in debugging, we also provide output functions for nodes + * that appear in raw parsetrees and path. These nodes however need + * not have input functions. * *------------------------------------------------------------------------- */ |