diff options
Diffstat (limited to 'src/include/nodes/relation.h')
| -rw-r--r-- | src/include/nodes/relation.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/include/nodes/relation.h b/src/include/nodes/relation.h index cf0bbd9f159..8238981c289 100644 --- a/src/include/nodes/relation.h +++ b/src/include/nodes/relation.h @@ -307,15 +307,17 @@ typedef struct PlannerInfo * ppilist - ParamPathInfo nodes for parameterized Paths, if any * cheapest_startup_path - the pathlist member with lowest startup cost * (regardless of its ordering; but must be - * unparameterized) + * unparameterized; hence will be NULL for + * a LATERAL subquery) * cheapest_total_path - the pathlist member with lowest total cost * (regardless of its ordering; but must be - * unparameterized) + * unparameterized; hence will be NULL for + * a LATERAL subquery) * cheapest_unique_path - for caching cheapest path to produce unique * (no duplicates) output from relation * cheapest_parameterized_paths - paths with cheapest total costs for * their parameterizations; always includes - * cheapest_total_path + * cheapest_total_path, if that exists * * If the relation is a base relation it will have these fields set: * |