diff options
Diffstat (limited to 'src/backend/access/nbtree/nbtree.c')
| -rw-r--r-- | src/backend/access/nbtree/nbtree.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/backend/access/nbtree/nbtree.c b/src/backend/access/nbtree/nbtree.c index 686a3206f72..8cfaab949be 100644 --- a/src/backend/access/nbtree/nbtree.c +++ b/src/backend/access/nbtree/nbtree.c @@ -133,6 +133,7 @@ bthandler(PG_FUNCTION_ARGS) amroutine->amvacuumcleanup = btvacuumcleanup; amroutine->amcanreturn = btcanreturn; amroutine->amcostestimate = btcostestimate; + amroutine->amgettreeheight = btgettreeheight; amroutine->amoptions = btoptions; amroutine->amproperty = btproperty; amroutine->ambuildphasename = btbuildphasename; @@ -1445,3 +1446,12 @@ btcanreturn(Relation index, int attno) { return true; } + +/* + * btgettreeheight() -- Compute tree height for use by btcostestimate(). + */ +int +btgettreeheight(Relation rel) +{ + return _bt_getrootheight(rel); +} |