drop function if exists mmt_staging2.fn_BUDNI_DBP_Block ;
CREATE OR REPLACE FUNCTION mmt_staging2.fn_BUDNI_DBP_Block(p_client_id int,p_function_id int, p_file_format text,
p_sheet_mnemonic text, p_file_syspk int)
   RETURNS void AS $$
   declare __make text;
   declare __model text;
 begin
	 
SET search_path TO  mmt_staging2;

delete from mmt_staging2.BUDNI_DBP_Spec_H1_Block;
delete from mmt_staging2.BUDNI_DBP_Drawbar_Perf_Block;
delete from mmt_staging2.stg_specific_table_budni_dbp;
delete from mmt_staging2.stg_process_table_budni_dbp;

execute 'update mmt_ods.mmt_config a
set row_number_start=null,
row_previous_number=null,
row_read_end=null,
run_time=null
where  a.file_format='''||p_file_format||''' and a.sheet_mnemonic='''||p_sheet_mnemonic||'''';



execute 'insert into mmt_staging2.stg_specific_table_budni_dbp
select * from mmt_staging1.mmt_staging_generic_table a
where a.file_format='''||p_file_format||''' and a.sheet_mnemonic='''||p_sheet_mnemonic||''' 
and a.file_syspk='||p_file_syspk||'';


execute 'update mmt_staging2.stg_specific_table_budni_dbp set column2 =  TRIM (TRAILING FROM column2 )';
execute 'update mmt_staging2.stg_specific_table_budni_dbp set column2 =  TRIM (LEADING FROM column2 )';


execute 'update mmt_ods.mmt_config set F1_modified =  TRIM (TRAILING FROM F1_modified)'; 
execute 'update mmt_ods.mmt_config set F1_modified =  TRIM (LEADING FROM F1_modified)' ;
execute 'update mmt_ods.mmt_config set F1_source=F1_modified' ;
execute 'update mmt_ods.mmt_config set F1_source =  TRIM (TRAILING FROM F1_source)';
execute 'update mmt_ods.mmt_config set F1_source =  TRIM (LEADING FROM F1_source)' ;


execute 'update mmt_ods.mmt_config a  
set row_number_start=(select min(b.row_number)
from mmt_staging2.stg_specific_table_budni_dbp  b
where  trim(upper(F1_source))= trim(upper(column3))
and b.is_rownumber_fetched is null)
where a.row_number_start is null 
and a.file_format='''||p_file_format||''' and a.sheet_mnemonic='''||p_sheet_mnemonic||'''';

execute 'update mmt_staging2.stg_specific_table_budni_dbp  a  
set is_rownumber_fetched=1
from mmt_ods.mmt_config  b
where  trim(upper(F1_source))= trim(upper(column3))
and b.row_number_start=a.row_number
and is_rownumber_fetched is null and a.file_format='''||p_file_format||''' and a.sheet_mnemonic='''||p_sheet_mnemonic||'''';

execute 'update mmt_ods.mmt_config a  set row_previous_number=row_number_start-1 
where a.file_format='''||p_file_format||''' and a.sheet_mnemonic='''||p_sheet_mnemonic||'''';


execute 'update mmt_ods.mmt_config a
set row_read_end= (select b.row_number_start
from mmt_ods.mmt_config b 
where b.syspk=a.syspk+1 ) 
where a.file_format='''||p_file_format||''' and a.sheet_mnemonic='''||p_sheet_mnemonic||'''';

execute 'update mmt_ods.mmt_config a 
set row_read_end = null 
where f1_modified =''Tractor Drawbar Performance Report'' 
and a.file_format='''||p_file_format||''' and a.sheet_mnemonic='''||p_sheet_mnemonic||'''';

execute 'update mmt_ods.mmt_config a 
set run_time=current_timestamp 
where a.file_format='''||p_file_format||''' and a.sheet_mnemonic='''||p_sheet_mnemonic||'''';


execute 'insert into mmt_staging2.stg_process_table_budni_dbp
select a.* , RANK () OVER ( ORDER BY row_number) as rank,b.rank_tag as rank_tag
from mmt_staging2.stg_specific_table_budni_dbp a
join mmt_ods.mmt_config b
on a.row_number >row_number_start
and (a.row_number< row_read_end or row_read_end is null)
and f1_modified=''Test Tractor Specifiactions''
and b.file_format='''||p_file_format||''' and b.sheet_mnemonic='''||p_sheet_mnemonic||'''
order by a.row_number';



execute 'insert into mmt_staging2.stg_process_table_budni_dbp
select a.* , RANK () OVER ( ORDER BY row_number),b.rank_tag as rank_tag
from  mmt_staging2.stg_specific_table_budni_dbp a
join mmt_ods.mmt_config  b 
on a.row_number >row_number_start
and (a.row_number< row_read_end or row_read_end is null)
and f1_modified=''Tractor Drawbar Performance Report.'' 
and b.file_format='''||p_file_format||''' and b.sheet_mnemonic='''||p_sheet_mnemonic||'''
order by a.row_number';


delete from  mmt_staging2.stg_process_table_budni_dbp where row_number between 37 and 42;

select column3  into __make from mmt_staging2.stg_process_table_budni_dbp a
where  rank_tag='BUDNI_DBP_Spec_H1'  and rank=2;

select column4  into __model from mmt_staging2.stg_process_table_budni_dbp a
where  rank_tag='BUDNI_DBP_Spec_H1' and rank=2;




insert into mmt_staging2.BUDNI_DBP_Spec_H1_Block
(
column2,column3,column4,column5,column6,column7,
column8,column9,column10,column11,column12,column13,
column14,column15,rank
)
select
column2,column3,column4,column5,column6,column7,column8,column9,column10,
column11,column12,column13,column14,column15,rank
from mmt_staging2.stg_process_table_budni_dbp
where rank_tag='BUDNI_DBP_Spec_H1';


update mmt_staging2.BUDNI_DBP_Spec_H1_Block
set ods_record=0 where rank in
(select distinct first_value(b.rank)
over (partition by b.column2 order by b.syspk) from mmt_staging2.BUDNI_DBP_Spec_H1_Block  b);


execute 'update  mmt_staging2.BUDNI_DBP_Spec_H1_Block set
client_id='||p_client_id||',
function_id='||p_function_id||',
file_syspk='||p_file_syspk||',
file_format='''||p_file_format||''',
sheet_mnemonic='''||p_sheet_mnemonic||'''';


execute 'insert into mmt_staging2.BUDNI_DBP_Drawbar_Perf_Block
(
column2,column3,column4,column5,column6,column7,
column8,column9,column10,column11,column12,column13,
column14,column15,column16,column17,column18,column19,rank
)
select 
column2,column3,column4,column5,column6,column7,
column8,column9,column10,column11,column12,column13,column14,
column15,column16,column17,column18,column19,rank
from  mmt_staging2.stg_process_table_budni_dbp a
where rank_tag=''BUDNI_DBP_Drawbar_Perf''';


update  mmt_staging2.BUDNI_DBP_Drawbar_Perf_Block set make=__make,model=__model;
execute 'update  mmt_staging2.BUDNI_DBP_Drawbar_Perf_Block set
client_id='||p_client_id||',
function_id='||p_function_id||',
file_syspk='||p_file_syspk||',
file_format='''||p_file_format||''',
sheet_mnemonic='''||p_sheet_mnemonic||'''';



update  mmt_staging2.BUDNI_DBP_Drawbar_Perf_Block
set column2= column3 where column3 like 'i%';

update mmt_staging2.BUDNI_DBP_Drawbar_Perf_Block
set column3=null
where column3 like 'i%';

update mmt_staging2.BUDNI_DBP_Drawbar_Perf_Block a
 set column2= b.first_value from (SELECT
rank, column2, value_partition, first_value(column2) over (partition by value_partition order by rank)
FROM (
SELECT
rank,
column2,
sum(case when column2 is null then 0 else 1 end) over (order by rank) as value_partition
 FROM  mmt_staging2.BUDNI_DBP_Drawbar_Perf_Block 
ORDER BY rank ASC
) as q) b where a.rank = b.rank;





update mmt_staging2.BUDNI_DBP_Drawbar_Perf_Block
set ods_record=0 where column4 is null or
rank in
(select distinct first_value(b.rank)
over (partition by b.column2 order by b.syspk) from mmt_staging2.BUDNI_DBP_Drawbar_Perf_Block  b);



end
$$ LANGUAGE plpgsql;


select mmt_staging2.fn_BUDNI_DBP_Block(20,1,'BUDNI','BUDNI_DBP',182);


