Netezza 存储过程

CREATE OR REPLACE PROCEDURE sp_sas_process_trigger(national character varying(any), national character varying(any), bigint)
RETURNS character varying(ANY)
LANGUAGE NZPLSQL AS
BEGIN_PROC
DECLARE
P_country ALIAS FOR $1;
P_sitesegment ALIAS FOR $2;
P_timespan ALIAS FOR $3;
v_sql nvarchar(3000);
BEGIN

v_sql := 'call sp_drop_if_exists(''temp_test_'||P_country||'_'||P_sitesegment||'_'||P_timespan||''') ;' ;
execute immediate v_sql ;

v_sql := ' create table temp_test_'||P_country||'_'||P_sitesegment||'_'||P_timespan||'
as select a.dim_plat_site_id, a.country_2char, b.final_segment_name, now() as create_dt from dim_plat_site_camp   a
join vw_curr_site_segment_apj  b	on  a.dim_plat_site_id=b.dim_plat_site_id
join snapshot_plat_site  c  on a.dim_plat_site_id=c.dim_plat_site_id
where a.country_2char='||quote_literal(upper(P_country))||' and upper(b.final_segment_name)=
upper(case when '||quote_literal(P_sitesegment)||' like ''%plus%'' then ''SB+'' else '||quote_literal(P_sitesegment)||' end)
and b.bispy_segment_name in (''Buyer'', ''Payer(Y)'') and b.lcm_segment_name in (''New Welcome'', ''Develop and Retain'')
and c.first_order_dt between now()-'||P_timespan||' and now()' ;

raise notice 'V_sql is :%', v_sql;

execute immediate v_sql ;

return 'Done' ;

END;
END_PROC;