diff options
Diffstat (limited to 'src/backend/optimizer/util/relnode.c')
| -rw-r--r-- | src/backend/optimizer/util/relnode.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/backend/optimizer/util/relnode.c b/src/backend/optimizer/util/relnode.c index 5a9ce44532d..22d01cef5b3 100644 --- a/src/backend/optimizer/util/relnode.c +++ b/src/backend/optimizer/util/relnode.c @@ -421,6 +421,19 @@ find_base_rel(PlannerInfo *root, int relid) } /* + * find_base_rel_noerr + * Find a base or otherrel relation entry, returning NULL if there's none + */ +RelOptInfo * +find_base_rel_noerr(PlannerInfo *root, int relid) +{ + /* use an unsigned comparison to prevent negative array element access */ + if ((uint32) relid < (uint32) root->simple_rel_array_size) + return root->simple_rel_array[relid]; + return NULL; +} + +/* * find_base_rel_ignore_join * Find a base or otherrel relation entry, which must already exist. * |