#41 Updated ERD; added and tested migrations.
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doc/specification
resources/migrations
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69
resources/migrations/20170721084900-dwellings.down.sql
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69
resources/migrations/20170721084900-dwellings.down.sql
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--------------------------------------------------------------------------------
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----
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---- 20170721084900.up.sql: add dwellings table, to deal with flatted addresses.
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----
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---- This program is free software; you can redistribute it and/or
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---- modify it under the terms of the GNU General Public License
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---- as published by the Free Software Foundation; either version 2
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---- of the License, or (at your option) any later version.
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----
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---- This program is distributed in the hope that it will be useful,
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---- but WITHOUT ANY WARRANTY; without even the implied warranty of
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---- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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---- GNU General Public License for more details.
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----
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---- You should have received a copy of the GNU General Public License
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---- along with this program; if not, write to the Free Software
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---- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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---- USA.
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----
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---- Copyright (C) 2017 Simon Brooke for Radical Independence Campaign
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----
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--------------------------------------------------------------------------------
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----
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---- NOTE
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---- This file is essentially a Postgres schema dump of a database schema which was
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---- created with the function initdb! in the file src/clj/youyesyet/db/schema.clj.
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---- This file has then been mildly massaged to work with Migratus.
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---- Either this file or src/clj/youyesyet/db/schema.clj is redundant; schema.clj
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---- represents the older, Korma, way of doing things but does not readily allow
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---- for migrations; this file represents the newer Migratus/HugSQL way. I'm not
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---- certain which of these paths I'm going to go down.
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----
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--------------------------------------------------------------------------------
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alter table canvassers add column address_id integer references addresses(id);
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--;;
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alter table electors add column address_id integer references addresses(id);
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--;;
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alter table visits add column address_id integer references addresses(id);
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--;;
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update canvassers set address_id =
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(select address_id from dwellings where id = canvassers.dwelling_id);
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--;;
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update electors set address_id =
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(select address_id from dwellings where id = electors.dwelling_id);
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--;;
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update visits set address_id =
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(select address_id from dwellings where id = visits.dwelling_id);
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--;;
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alter table canvassers alter column address_id set not null;
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--;;
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alter table electors alter column address_id set not null;
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--;;
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alter table visits alter column address_id set not null;
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--;;
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alter table canvassers drop column dwelling_id;
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--;;
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alter table electors drop column dwelling_id;
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--;;
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alter table visits drop column dwelling_id;
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--;;
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drop table if exists dwellings;
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--;;
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87
resources/migrations/20170721084900-dwellings.up.sql
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87
resources/migrations/20170721084900-dwellings.up.sql
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--------------------------------------------------------------------------------
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----
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---- 20170721084900.up.sql: add dwellings table, to deal with flatted addresses.
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----
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---- This program is free software; you can redistribute it and/or
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---- modify it under the terms of the GNU General Public License
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---- as published by the Free Software Foundation; either version 2
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---- of the License, or (at your option) any later version.
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----
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---- This program is distributed in the hope that it will be useful,
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---- but WITHOUT ANY WARRANTY; without even the implied warranty of
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---- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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---- GNU General Public License for more details.
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----
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---- You should have received a copy of the GNU General Public License
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---- along with this program; if not, write to the Free Software
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---- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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---- USA.
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----
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---- Copyright (C) 2017 Simon Brooke for Radical Independence Campaign
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----
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--------------------------------------------------------------------------------
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----
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---- NOTE
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---- This file is essentially a Postgres schema dump of a database schema which was
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---- created with the function initdb! in the file src/clj/youyesyet/db/schema.clj.
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---- This file has then been mildly massaged to work with Migratus.
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---- Either this file or src/clj/youyesyet/db/schema.clj is redundant; schema.clj
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---- represents the older, Korma, way of doing things but does not readily allow
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---- for migrations; this file represents the newer Migratus/HugSQL way. I'm not
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---- certain which of these paths I'm going to go down.
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----
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--------------------------------------------------------------------------------
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CREATE TABLE IF NOT EXISTS dwellings (
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id serial NOT NULL primary key,
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address_id integer NOT NULL,
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sub_address varchar(16)
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);
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--;;
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ALTER TABLE public.dwellings OWNER TO youyesyet;
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--;;
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INSERT INTO dwellings (address_id, sub_address)
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SELECT DISTINCT id, '' FROM addresses;
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--;;
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alter table canvassers add column dwelling_id integer references dwellings(id);
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--;;
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alter table electors add column dwelling_id integer references dwellings(id);
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--;;
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alter table visits add column dwelling_id integer references dwellings(id);
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--;;
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update canvassers set dwelling_id =
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(select id from dwellings where address_id = canvassers.address_id);
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--;;
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update electors set dwelling_id =
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(select id from dwellings where address_id = electors.address_id);
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--;;
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update visits set dwelling_id =
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(select id from dwellings where address_id = visits.address_id);
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--;;
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alter table canvassers alter column dwelling_id set not null;
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--;;
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alter table electors alter column dwelling_id set not null;
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--;;
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alter table visits alter column dwelling_id set not null;
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--;;
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alter table canvassers drop constraint canvassers_address_id_fkey;
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--;;
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alter table electors drop constraint electors_address_id_fkey;
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--;;
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alter table visits drop constraint visits_address_id_fkey;
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--;;
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alter table canvassers drop column address_id;
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--;;
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alter table electors drop column address_id;
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--;;
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alter table visits drop column address_id;
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--;;
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