diff options
Diffstat (limited to 'src/include/nodes/nodes.h')
| -rw-r--r-- | src/include/nodes/nodes.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/include/nodes/nodes.h b/src/include/nodes/nodes.h index 855009fd6e2..0d71d821f71 100644 --- a/src/include/nodes/nodes.h +++ b/src/include/nodes/nodes.h @@ -306,6 +306,7 @@ typedef enum JoinType */ JOIN_SEMI, /* 1 copy of each LHS row that has match(es) */ JOIN_ANTI, /* 1 copy of each LHS row that has no match */ + JOIN_RIGHT_SEMI, /* 1 copy of each RHS row that has match(es) */ JOIN_RIGHT_ANTI, /* 1 copy of each RHS row that has no match */ /* @@ -322,10 +323,10 @@ typedef enum JoinType /* * OUTER joins are those for which pushed-down quals must behave differently - * from the join's own quals. This is in fact everything except INNER and - * SEMI joins. However, this macro must also exclude the JOIN_UNIQUE symbols - * since those are temporary proxies for what will eventually be an INNER - * join. + * from the join's own quals. This is in fact everything except INNER, SEMI + * and RIGHT_SEMI joins. However, this macro must also exclude the + * JOIN_UNIQUE symbols since those are temporary proxies for what will + * eventually be an INNER join. * * Note: semijoins are a hybrid case, but we choose to treat them as not * being outer joins. This is okay principally because the SQL syntax makes |