#coding:utf-8
#
# id:           bugs.core_2835
# title:        Natural is used to select instead of primary key index
# decription:   
# tracker_id:   CORE-2835
# min_versions: ['2.5.0']
# versions:     2.5
# qmid:         None

import pytest
from firebird.qa import db_factory, isql_act, Action

# version: 2.5
# resources: None

substitutions_1 = []

init_script_1 = """"""

db_1 = db_factory(sql_dialect=3, init=init_script_1)

test_script_1 = """
    create table net_net_device(
      id integer not null,
     constraint pk_net_net_device primary key (id)
    );
    
    create table net_dev_interconnection(
      prim_devid integer not null,
      secondary_devid integer not null,
      interconnect_level integer,
      constraint pk_net_dev_interconnection primary key (prim_devid, secondary_devid)
    );
    
    alter table net_dev_interconnection add constraint fk_net_dev_interconnection_001
      foreign key (prim_devid) references net_net_device(id);
    
    alter table net_dev_interconnection add constraint fk_net_dev_interconnection_002
      foreign key (secondary_devid) references net_net_device(id);

    commit;

    set term ^;
    execute block
    as
      declare cnt1 int = 8636;
      declare cnt2 int = 4029;
    begin
      delete from NET_DEV_INTERCONNECTION;
      delete from NET_NET_DEVICE;
    
      while (cnt1 > 0) do
      begin
          insert into NET_NET_DEVICE values (:cnt1);
          cnt1 = cnt1 - 1;
      end
    
      while (cnt2 > 0) do
      begin
          insert into NET_DEV_INTERCONNECTION values (1, :cnt2, null);
          cnt2 = cnt2 - 1;
      end
    
      execute statement 'set statistics index PK_NET_NET_DEVICE';
      execute statement 'set statistics index PK_NET_DEV_INTERCONNECTION';
      execute statement 'set statistics index FK_NET_DEV_INTERCONNECTION_001';
      execute statement 'set statistics index FK_NET_DEV_INTERCONNECTION_002';
    end
    ^
    set term ;^
    commit;
    
    set planonly;
    select distinct t0_dep.id
    from net_net_device t1_nd,
      net_net_device t0_dep,
      net_dev_interconnection t3_nd_dependantdevices_relation
    where ((t1_nd.id = ? ))
      and t1_nd.id=t3_nd_dependantdevices_relation.prim_devid
      and t0_dep.id=t3_nd_dependantdevices_relation.secondary_devid;
  """

act_1 = isql_act('db_1', test_script_1, substitutions=substitutions_1)

expected_stdout_1 = """
    PLAN SORT (JOIN (T1_ND INDEX (PK_NET_NET_DEVICE), T3_ND_DEPENDANTDEVICES_RELATION INDEX (FK_NET_DEV_INTERCONNECTION_001), T0_DEP INDEX (PK_NET_NET_DEVICE)))
  """

@pytest.mark.version('>=2.5')
def test_1(act_1: Action):
    act_1.expected_stdout = expected_stdout_1
    act_1.execute()
    assert act_1.clean_expected_stdout == act_1.clean_stdout