new-sql-view
William Perron 11 months ago
parent 73c327d51b
commit b75539416a
No known key found for this signature in database
GPG Key ID: D1815C43C9BA3DE1

@ -0,0 +1,14 @@
create view if not exists prov_by_type as
with
trades as (select distinct trade_node from provinces where trade_node != ''),
areas as (select distinct area from provinces where area != ''),
regions as (select distinct region from provinces where region != '')
select 'trade_node' as typ, provinces.trade_node as name, name as province, id
from provinces inner join trades on trades.trade_node = provinces.trade_node
union
select 'area' as typ, provinces.area as name, name as province, id
from provinces inner join areas on areas.area = provinces.area
union
select 'region' as typ, provinces.region as name, name as province, id
from provinces inner join regions on regions.region = provinces.region
;
Loading…
Cancel
Save