diff options
Diffstat (limited to 'src/backend/optimizer/path/joinpath.c')
| -rw-r--r-- | src/backend/optimizer/path/joinpath.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/backend/optimizer/path/joinpath.c b/src/backend/optimizer/path/joinpath.c index c1d478d2eb2..059e605e04e 100644 --- a/src/backend/optimizer/path/joinpath.c +++ b/src/backend/optimizer/path/joinpath.c @@ -667,6 +667,23 @@ get_memoize_path(PlannerInfo *root, RelOptInfo *innerrel, return NULL; } + /* + * Also check the parameterized path restrictinfos for volatile functions. + * Indexed functions must be immutable so shouldn't have any volatile + * functions, however, with a lateral join the inner scan may not be an + * index scan. + */ + if (inner_path->param_info != NULL) + { + foreach(lc, inner_path->param_info->ppi_clauses) + { + RestrictInfo *rinfo = (RestrictInfo *) lfirst(lc); + + if (contain_volatile_functions((Node *) rinfo)) + return NULL; + } + } + /* Check if we have hash ops for each parameter to the path */ if (paraminfo_get_equal_hashops(root, inner_path->param_info, |