diff options
Diffstat (limited to 'contrib/postgres_fdw/postgres_fdw.h')
| -rw-r--r-- | contrib/postgres_fdw/postgres_fdw.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/contrib/postgres_fdw/postgres_fdw.h b/contrib/postgres_fdw/postgres_fdw.h index 46cac55e98a..57dbb798fdb 100644 --- a/contrib/postgres_fdw/postgres_fdw.h +++ b/contrib/postgres_fdw/postgres_fdw.h @@ -95,6 +95,20 @@ typedef struct PgFdwRelationInfo /* Grouping information */ List *grouped_tlist; + + /* Subquery information */ + bool make_outerrel_subquery; /* do we deparse outerrel as a + * subquery? */ + bool make_innerrel_subquery; /* do we deparse innerrel as a + * subquery? */ + Relids lower_subquery_rels; /* all relids appearing in lower + * subqueries */ + + /* + * Index of the relation. It is used to create an alias to a subquery + * representing the relation. + */ + int relation_index; } PgFdwRelationInfo; /* in postgres_fdw.c */ @@ -161,7 +175,7 @@ extern Expr *find_em_expr_for_rel(EquivalenceClass *ec, RelOptInfo *rel); extern List *build_tlist_to_deparse(RelOptInfo *foreignrel); extern void deparseSelectStmtForRel(StringInfo buf, PlannerInfo *root, RelOptInfo *foreignrel, List *tlist, - List *remote_conds, List *pathkeys, + List *remote_conds, List *pathkeys, bool is_subquery, List **retrieved_attrs, List **params_list); /* in shippable.c */ |