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evansabres
Specialist
Specialist

SQL Load

I am attempting to load in data via a SQL connection. The connection is good and I can load in some queries, however, when I attempt to load in this query, the load is successful, however no data populates.

Is there an error in my script? Seems to get stuck after the 'SELECT' portion.

select

po.created_date, es.last_updated_date, e.event_code,

e.event_date, a.agency_code, bt.buyer_type_code, bt.description buyer_type_desc,

c.channel_code, c.description channel_desc, ps.price_scale_code,

ps.description price_scale_desc, es.price, sec.section_code, s.row_, s.seat_number

from

agency a, buyer_type bt, channel c, event e, event_category ec, event_seat es, order_line_item oli,

patron_order po, price_scale ps, seat s, section sec

where

oli.order_id = po.order_id

and oli.usage_event_id = e.event_id

and es.event_id = e.event_id

and es.order_id = po.order_id

and es.order_line_item_id = oli.order_line_item_id

and po.created_by_agency_id  = a.agency_id

and a.channel_id = c.channel_id

and e.event_category_id = ec.event_category_id

and sec.section_id = es.section_id

and s.seat_id = es.seat_id

and es.buyer_type_id = bt.buyer_type_id

and ps.price_scale_id = es.price_scale_id

and trunc(po.created_date) >= ('01-JAN-2017')

and trunc(po.created_date) <= ('08-APR-2018')

and oli.market_type_code = 'P'

and oli.transaction_type_code in ( 'SA', 'ES', 'CS' )   -- sale, claimsale or exchangesale

and c.channel_code in ( 'BOXOFF', 'INTERNET', 'PHONE' )

and ec.event_category_code = 'HOCKEY'

and e.event_id >= '4461' and e.event_id <= '4502'

13 Replies
maxgro
MVP
MVP

starts with a select count(*) of 2 tables, oli and po with the join

how many rows?

add the filters on oli and po

how many rows?

repeat: add one table, add one table, .....

evansabres
Specialist
Specialist
Author

Apologies, I am very new to SQL scripting. Can you explain what you mean?

maxgro
MVP
MVP

I think you can start with 2 tables and check if you get a result

select count(*)

from

order_line_item oli,

patron_order po

where

oli.order_id = po.order_id

if you get a result (count > 0) add the filter (bold) on the 2 tables

select count(*)

from

order_line_item oli,

patron_order po

where

oli.order_id = po.order_id

and trunc(po.created_date) >= ('01-JAN-2017')

and trunc(po.created_date) <= ('08-APR-2018')

and oli.market_type_code = 'P'

and oli.transaction_type_code in ( 'SA', 'ES', 'CS' ) 


if you get a result add another table and the join with the previous 2 tables

maybe

table: agency a

join: and po.created_by_agency_id  = a.agency_id


and so on until you have all the tables in the query; when you get 0 rows as result you should understand where is the problem


evansabres
Specialist
Specialist
Author

Thank you, I will attempt this