Log the pivots correctly. Addresses #27.

git-svn-id: file:///svn/tokudb@1822 c7de825b-a66e-492c-adef-691d508d4ae1

newbrt/brt.c

@@ -1614,9 +1614,8 @@ static int brt_init_new_root(BRT brt, BRTNODE nodea, BRTNODE nodeb, DBT splitk,
     fixup_child_fingerprint(newroot, 0, nodea, brt, txn);
     fixup_child_fingerprint(newroot, 1, nodeb, brt, txn);
     {
-	BYTESTRING bs;
-	bs.len = splitk.size;
-	bs.data = splitk.data;
+	BYTESTRING bs = { .len = kv_pair_keylen(newroot->u.n.childkeys[0]),
+			  .data = kv_pair_key(newroot->u.n.childkeys[0]) };
 	r=toku_log_setpivot(txn, toku_txn_get_txnid(txn), toku_cachefile_filenum(brt->cf), newroot_diskoff, 0, bs);
 	if (r!=0) return r;
     }

src/tests/Makefile

@@ -187,3 +187,6 @@ test_db_assoc3.tdbrun: test_db_assoc3.tdb
 test_db_assoc3.bdbrun: test_db_assoc3.bdb
 	$(MAYBEATSIGN) $(VGRIND) ./test_db_assoc3.bdb --seed=2 --count=100000 $(VERBVERBOSE)
 	$(MAYBEATSIGN) $(VGRIND) ./test_db_assoc3.bdb --seed=2 --count=100000 --more $(VERBVERBOSE)
+
+dumpit:
+	../../newbrt/brtdump  dir.test_log5.c.tdb.recover/foo.db > dump.r && ../../newbrt/brtdump  dir.test_log5.c.tdb/foo.db > dump.o && diff dump.o dump.r