#coding:utf-8
#
# id:           bugs.core_1361
# title:        Index operations for global temporary tables are not visible for the active connection
# decription:   
#                   Checked on:
#                       4.0.0.1635 SS: 1.863s.
#                       4.0.0.1633 CS: 2.386s.
#                       3.0.5.33180 SS: 1.302s.
#                       3.0.5.33178 CS: 1.778s.
#                
# tracker_id:   
# min_versions: ['3.0']
# versions:     3.0
# qmid:         bugs.core_1361

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

# version: 3.0
# resources: None

substitutions_1 = []

init_script_1 = """
    set term ^;
    create or alter procedure sp_check_plan returns(sql_plan blob) as
    begin
    end
    ^
    execute block as
    begin
      begin execute statement 'drop role poor_dba'; when any do begin end end
      begin execute statement 'drop role cool_dba'; when any do begin end end
      begin execute statement 'drop role super_dba'; when any do begin end end
    end
    ^
    set term ;^
    commit;
    
    recreate global temporary table gtt_session(x int, y int) on commit preserve rows;
    commit;
    create role poor_dba;
    create role cool_dba;
    create role super_dba;
    commit;
    
    grant poor_dba to sysdba;  -- for connect #1
    grant cool_dba to sysdba;  -- for connect #2
    grant super_dba to sysdba; -- for connect #3 (index also WILL be seen for it)
    commit;
    
    set term ^;
    create or alter procedure sp_check_plan returns(sql_plan blob) as
        declare n int;
    begin
        insert into gtt_session
        select rand()*100, rand()*100
        from rdb$types,rdb$triggers
        union all
        select -2, -3
        from rdb$database;
    
        execute statement
            'select '
            || '    (select count(*) from gtt_session g where g.x + g.y = -5) '
            || '   ,mon$explained_plan '
            || 'from mon$statements s '
            || 'where s.mon$transaction_id = current_transaction and mon$explained_plan containing ''GTT_SESSION'' '
            || 'rows 1'
            into n, sql_plan;
        suspend;
    end
    ^
    set term ;^
    commit;
  """

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

test_script_1 = """
    set list on;
    set blob all;
    set term ^;
    execute block returns(using_index smallint) as
       declare v_dbname type of column mon$database.mon$database_name;
       declare v_usr varchar(31) = 'SYSDBA';
       declare v_pwd varchar(20) = 'masterkey';
       declare role_1 varchar(31) = 'POOR_DBA';
       declare role_2 varchar(31) = 'COOL_DBA';
       declare role_3 varchar(31) = 'SUPER_DBA';
       declare sql_plan blob;
    begin
    
       v_dbname = 'localhost:' || rdb$get_context('SYSTEM', 'DB_NAME');
    
       execute statement 'select sql_plan from sp_check_plan'
       on external v_dbname
       as user v_usr password v_pwd role upper( role_1 )
       into sql_plan;
       using_index = iif(sql_plan containing 'GTT_SESSION_X_Y', 1, 0);
       suspend;
    
       --------------------------------------------------------
    
       execute statement 'create index gtt_session_x_y on gtt_session computed by ( x+y )'
       with autonomous transaction
       on external v_dbname
       as user v_usr password v_pwd role upper( role_2 ); 
       -- nb: changing this to 'role_1' will produce in firebird.log: 
       -- internal Firebird consistency check (invalid SEND request (167), 
       -- file: JrdStatement.cpp line: 325)
    
       execute statement 'select sql_plan from sp_check_plan'
       on external v_dbname
       as user v_usr password v_pwd role upper( role_2 )
       into sql_plan;
       using_index = iif(sql_plan containing 'GTT_SESSION_X_Y', 1, 0);
       suspend;
    
       --------------------------------------------------------
    
       execute statement 'select sql_plan from sp_check_plan'
       on external v_dbname
       as user v_usr password v_pwd role upper( role_3 )
       into sql_plan;
       using_index = iif(sql_plan containing 'GTT_SESSION_X_Y', 1, 0);
       suspend;
    
    end
    ^
    set term ;^
    commit;
    --                                    ||||||||||||||||||||||||||||
    -- ###################################|||  FB 4.0+, SS and SC  |||##############################
    --                                    ||||||||||||||||||||||||||||
    -- If we check SS or SC and ExtConnPoolLifeTime > 0 (config parameter FB 4.0+) then current
    -- DB (bugs.core_NNNN.fdb) will be 'captured' by firebird.exe process and fbt_run utility
    -- will not able to drop this database at the final point of test.
    -- Moreover, DB file will be hold until all activity in firebird.exe completed and AFTER this
    -- we have to wait for <ExtConnPoolLifeTime> seconds after it (discussion and small test see
    -- in the letter to hvlad and dimitr 13.10.2019 11:10).
    -- This means that one need to kill all connections to prevent from exception on cleanup phase:
    -- SQLCODE: -901 / lock time-out on wait transaction / object <this_test_DB> is in use
    -- #############################################################################################
    delete from mon$attachments where mon$attachment_id != current_connection;
    commit;    

  """

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

expected_stdout_1 = """
    USING_INDEX                     0
    USING_INDEX                     1
    USING_INDEX                     1
  """

@pytest.mark.version('>=3.0')
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