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 c09f0e1df3e..37b74d43733 100644 --- a/src/backend/optimizer/path/joinpath.c +++ b/src/backend/optimizer/path/joinpath.c @@ -611,6 +611,23 @@ get_memoize_path(PlannerInfo *root, RelOptInfo *innerrel, } /* + * 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; + } + } + + /* * When considering a partitionwise join, we have clauses that reference * the outerrel's top parent not outerrel itself. */ |