text: DROP TABLE IF EXISTS t1;
  set @is_enable_default = @@global.ndb_index_stat_enable;
  set @is_enable = 1;
  set @is_enable = NULL;
  # is_enable_on=0 is_enable_off=0
  # ndb_index_stat_enable - before
  show global variables like 'ndb_index_stat_enable';
  Variable_name	Value
  ndb_index_stat_enable	ON
  show local variables like 'ndb_index_stat_enable';
  Variable_name	Value
  ndb_index_stat_enable	ON
  # ndb_index_stat_enable - after
  show global variables like 'ndb_index_stat_enable';
  Variable_name	Value
  ndb_index_stat_enable	ON
  show local variables like 'ndb_index_stat_enable';
  Variable_name	Value
  ndb_index_stat_enable	ON
  create table t1 (
  a int primary key,
  b int,
  c int,
  key t1x1 (b),
  key t1x2 (c)
  ) engine=ndb
  partition by key (a) partitions 1;
  insert into t1 values (1,1,1),(2,1,1),(3,2,1),(4,2,1);
  analyze table t1;
  Table	Op	Msg_type	Msg_text
  test.t1	analyze	status	OK
  select count(*) from t1 where b = 1;
  count(*)
  2
  select count(*) from t1 where c = 1;
  count(*)
  4
  show status like 'ndb_index_stat_cache%';
  Variable_name	Value
  Ndb_index_stat_cache_query	81
  Ndb_index_stat_cache_clean	0
  # restart cluster --initial
  # wait for mysqld
  set global ndb_dbg_check_shares=1;
  drop table if exists t1;
  Warnings:
  Note	1051	Unknown table 'test.t1'
  create table t1 (
  a int primary key,
  b int,
  c int,
  key t1x1 (b),
  key t1x2 (c)
  ) engine=ndb
  partition by key (a) partitions 1;
  insert into t1 values (1,1,1),(2,1,1),(3,2,1),(4,2,1);
  analyze table t1;
  Table	Op	Msg_type	Msg_text
  test.t1	analyze	status	OK
  select count(*) from t1 where b = 1;
  count(*)
  2
  select count(*) from t1 where c = 1;
  count(*)
  4
  show status like 'ndb_index_stat_cache%';
  Variable_name	Value
  Ndb_index_stat_cache_query	81
  Ndb_index_stat_cache_clean	0
  drop table t1;
  set @is_enable = @is_enable_default;
  set @is_enable = NULL;
  # is_enable_on=0 is_enable_off=0
  # ndb_index_stat_enable - before
  show global variables like 'ndb_index_stat_enable';
  Variable_name	Value
  ndb_index_stat_enable	ON
  show local variables like 'ndb_index_stat_enable';
  Variable_name	Value
  ndb_index_stat_enable	ON
  # ndb_index_stat_enable - after
  show global variables like 'ndb_index_stat_enable';
  Variable_name	Value
  ndb_index_stat_enable	ON
  show local variables like 'ndb_index_stat_enable';
  Variable_name	Value
  ndb_index_stat_enable	ON
  