feat: add computed column to retrive naics code

schema/deploy/computed_columns/application_revision_naics_code.sql

@@ -0,0 +1,26 @@
+-- Deploy ggircs-portal:computed_columns/application_revision_naics_code to pg
+-- requires: tables/form_result
+-- requires: tables/application_revision
+
+begin;
+
+create or replace function ggircs_portal.application_revision_naics_code(app ggircs_portal.application_revision)
+  returns ggircs_portal.naics_code as
+  $function$
+
+      with x as (
+        select ((form_result.form_result ->> 'operator')::json ->> 'naics')::varchar(1000) as naics
+        from ggircs_portal.form_result
+        join ggircs_portal.form_json
+        on form_result.form_id = form_json.id
+        and form_json.slug in ('admin', 'admin-2018')
+        and form_result.application_id = 1
+        and form_result.version_number = 1
+      )
+      select * from ggircs_portal.naics_code where naics_code = (select naics from x);
+
+  $function$ language sql stable;
+
+comment on function ggircs_portal.application_revision_naics_code(ggircs_portal.application_revision) is 'This computed column returns the associated naics_code table row for the application_revision passed in via the parameters';
+
+commit;

schema/revert/computed_columns/application_revision_naics_code.sql

@@ -0,0 +1,7 @@
+-- Revert ggircs-portal:computed_columns/application_revision_naics_code from pg
+
+begin;
+
+drop function ggircs_portal.application_revision_naics_code;
+
+commit;

schema/sqitch.plan

@@ -300,3 +300,4 @@ computed_columns/application_revision_ordered_form_results 2021-04-09T14:47:48Z
 computed_columns/application_current_user_can_edit [computed_columns/application_current_user_can_edit@v1.16.0] 2021-04-13T23:05:23Z Matthieu Foucault <matthieu@button.is> # drop unnecessary computed column
 @v2.0.0 2021-04-14T22:14:52Z Kristen Cooke <kristen@button.is> # release v2.0.0
 swrs_functions/get_carbon_tax_data [swrs_functions/get_carbon_tax_data@v2.0.0] 2021-04-15T17:07:24Z Dylan Leard <dylan@button.is> # Migration: use fuel_carbon_tax_details_id fkey in fuel_charge join
+computed_columns/application_revision_naics_code [tables/form_result tables/application_revision] 2021-04-05T17:14:23Z Dylan Leard <dylan@button.is> # Computed column returns a row from the naics_code table for an application revision

schema/verify/computed_columns/application_revision_naics_code.sql

@@ -0,0 +1,7 @@
+-- Verify ggircs-portal:computed_columns/application_revision_naics_code on pg
+
+begin;
+
+select pg_get_functiondef('ggircs_portal.application_revision_naics_code(ggircs_portal.application_revision)'::regprocedure);
+
+rollback;