diff options
Diffstat (limited to 'src/backend/optimizer/util/plancat.c')
| -rw-r--r-- | src/backend/optimizer/util/plancat.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/backend/optimizer/util/plancat.c b/src/backend/optimizer/util/plancat.c index 4dd24642346..01f988f7c39 100644 --- a/src/backend/optimizer/util/plancat.c +++ b/src/backend/optimizer/util/plancat.c @@ -20,6 +20,7 @@ #include "access/genam.h" #include "access/heapam.h" #include "access/htup_details.h" +#include "access/nbtree.h" #include "access/sysattr.h" #include "access/transam.h" #include "access/xlog.h" @@ -352,6 +353,17 @@ get_relation_info(PlannerInfo *root, Oid relationObjectId, bool inhparent, info->tuples = rel->tuples; } + if (info->relam == BTREE_AM_OID) + { + /* For btrees, get tree height while we have the index open */ + info->tree_height = _bt_getrootheight(indexRelation); + } + else + { + /* For other index types, just set it to "unknown" for now */ + info->tree_height = -1; + } + index_close(indexRelation, NoLock); indexinfos = lcons(info, indexinfos); |