diff options
Diffstat (limited to 'doc/src/sgml/custom-scan.sgml')
| -rw-r--r-- | doc/src/sgml/custom-scan.sgml | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/doc/src/sgml/custom-scan.sgml b/doc/src/sgml/custom-scan.sgml index 9d1ca7bfe16..5e440d2d154 100644 --- a/doc/src/sgml/custom-scan.sgml +++ b/doc/src/sgml/custom-scan.sgml @@ -37,8 +37,9 @@ <para> A custom scan provider will typically add paths for a base relation by setting the following hook, which is called after the core code has - generated what it believes to be the complete and correct set of access - paths for the relation. + generated all the access paths it can for the relation (except for + Gather paths, which are made after this call so that they can use + partial paths added by the hook): <programlisting> typedef void (*set_rel_pathlist_hook_type) (PlannerInfo *root, RelOptInfo *rel, |