diff options
Diffstat (limited to 'src/include/nodes/plannodes.h')
| -rw-r--r-- | src/include/nodes/plannodes.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/include/nodes/plannodes.h b/src/include/nodes/plannodes.h index 535eca77a7e..60467f52769 100644 --- a/src/include/nodes/plannodes.h +++ b/src/include/nodes/plannodes.h @@ -300,6 +300,10 @@ typedef Scan SeqScan; * that the sort ordering is fully determinable from the top-level operators. * indexorderbyorig is unused at run time, but is needed for EXPLAIN. * (Note these fields are used for amcanorderbyop cases, not amcanorder cases.) + * + * indexorderdir specifies the scan ordering, for indexscans on amcanorder + * indexes (for other indexes it should be "don't care"). indexonly specifies + * an index-only scan, for indexscans on amcanreturn indexes. * ---------------- */ typedef struct IndexScan @@ -311,6 +315,7 @@ typedef struct IndexScan List *indexorderby; /* list of index ORDER BY exprs */ List *indexorderbyorig; /* the same in original form */ ScanDirection indexorderdir; /* forward or backward or don't care */ + bool indexonly; /* attempt to skip heap fetches? */ } IndexScan; /* ---------------- |