--#Base table
create table normal_table as select * from generate_series(1, 1000000) a; 

--#Partitioning table
create table hoge as select a from generate_series(0, 40000) a;

create table hoge2(
  a integer 
) partition by range(a);

create table hoge2_10000 partition of hoge2
for values from (0) to (10000);

create table hoge2_20000 partition of hoge2
for values from (10000) to (20000);

create table hoge2_30000 partition of hoge2
for values from (20000) to (30000);
 
create table hoge2_default partition of hoge2 default;

insert into hoge2 select * from hoge;

--#Ext stats and Indexes
\! pgbench -i
create statistics pg_acc_ext (dependencies, mcv, ndistinct) ON aid, bid from pgbench_accounts ;