diff options
Diffstat (limited to 'src/backend/optimizer/path/joinrels.c')
| -rw-r--r-- | src/backend/optimizer/path/joinrels.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/backend/optimizer/path/joinrels.c b/src/backend/optimizer/path/joinrels.c index 43c3b7ea489..c42429b160b 100644 --- a/src/backend/optimizer/path/joinrels.c +++ b/src/backend/optimizer/path/joinrels.c @@ -1645,6 +1645,10 @@ have_partkey_equi_join(RelOptInfo *joinrel, if (ipk1 != ipk2) continue; + /* Reject if the partition key collation differs from the clause's. */ + if (rel1->part_scheme->partcollation[ipk1] != opexpr->inputcollid) + return false; + /* * The clause allows partitionwise join if only it uses the same * operator family as that specified by the partition key. |