diff options
Diffstat (limited to 'contrib/postgres_fdw/postgres_fdw.h')
| -rw-r--r-- | contrib/postgres_fdw/postgres_fdw.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/contrib/postgres_fdw/postgres_fdw.h b/contrib/postgres_fdw/postgres_fdw.h index df75518f465..2bae799ccfe 100644 --- a/contrib/postgres_fdw/postgres_fdw.h +++ b/contrib/postgres_fdw/postgres_fdw.h @@ -22,7 +22,10 @@ /* * FDW-specific planner information kept in RelOptInfo.fdw_private for a - * foreign table. This information is collected by postgresGetForeignRelSize. + * postgres_fdw foreign table. For a baserel, this struct is created by + * postgresGetForeignRelSize, although some fields are not filled till later. + * postgresGetForeignJoinPaths creates it for a joinrel, and + * postgresGetForeignUpperPaths creates it for an upperrel. */ typedef struct PgFdwRelationInfo { @@ -40,6 +43,9 @@ typedef struct PgFdwRelationInfo List *remote_conds; List *local_conds; + /* Actual remote restriction clauses for scan (sans RestrictInfos) */ + List *final_remote_exprs; + /* Bitmap of attr numbers we need to fetch from the remote server. */ Bitmapset *attrs_used; @@ -83,6 +89,7 @@ typedef struct PgFdwRelationInfo RelOptInfo *outerrel; RelOptInfo *innerrel; JoinType jointype; + /* joinclauses contains only JOIN/ON conditions for an outer join */ List *joinclauses; /* List of RestrictInfo */ /* Grouping information */ |