Pierre/step 2

.gitignore

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+
+node_modules

package.json

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+{
+  "name": "button-onboarding-pierre",
+  "version": "1.0.0",
+  "description": "A guide to help developers onboard to the Button stack by building a simple todo app.",
+  "main": "index.js",
+  "scripts": {
+    "start": "npx postgraphile -c postgres:///onboarding -s onboarding --enhance-graphiql --watch",
+    "test": "test"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/pbastia/button-onboarding.git"
+  },
+  "author": "",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/pbastia/button-onboarding/issues"
+  },
+  "homepage": "https://github.com/pbastia/button-onboarding#readme",
+  "dependencies": {
+    "postgraphile": "^4.8.0"
+  }
+}

schema/data/seed_data.sql

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+BEGIN;
+
+INSERT INTO onboarding.tasks (task, completed) VALUES 
+    ('Git Groceries', true), 
+    ('Fix Car', false), 
+    ('Git reset --hard', false);
+
+COMMIT;

schema/deploy/adding_schema_for_application.sql

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+-- Deploy onboarding:adding_schema_for_application to pg
+
+BEGIN;
+
+CREATE SCHEMA onboarding;
+
+COMMIT;

schema/deploy/adding_tasks_table.sql

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+-- Deploy onboarding:adding_tasks_table to pg
+-- requires: adding_schema_for_application
+
+BEGIN;
+
+CREATE TABLE onboarding.tasks (
+    id              SERIAL PRIMARY KEY,
+    task            VARCHAR,
+    completed       BOOLEAN,
+    date_created    TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    date_updated    TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+
+
+
+COMMIT;

schema/deploy/adding_update_trigger.sql

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+-- Deploy onboarding:adding_update_trigger to pg
+-- requires: adding_tasks_table
+
+BEGIN;
+
+CREATE OR REPLACE FUNCTION onboarding.trigger_update_timestamp()
+RETURNS TRIGGER AS $$
+BEGIN
+    NEW.date_updated = NOW();
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE TRIGGER update_timestamp
+BEFORE UPDATE ON onboarding.tasks
+FOR EACH ROW
+EXECUTE PROCEDURE onboarding.trigger_update_timestamp();
+
+COMMIT;

schema/revert/adding_schema_for_application.sql

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+-- Revert onboarding:adding_schema_for_application from pg
+
+BEGIN;
+
+DROP SCHEMA onboarding;
+
+COMMIT;

schema/revert/adding_tasks_table.sql

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+-- Revert onboarding:adding_tasks_table from pg
+
+BEGIN;
+
+DROP TABLE onboarding.tasks;
+
+COMMIT;

schema/revert/adding_update_trigger.sql

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+-- Revert onboarding:adding_update_trigger from pg
+
+BEGIN;
+
+DROP TRIGGER update_timestamp ON onboarding.tasks;
+DROP FUNCTION onboarding.trigger_update_timestamp();
+
+COMMIT;

schema/sqitch.conf

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+[core]
+	engine = pg
+	# plan_file = sqitch.plan
+	# top_dir = .
+# [engine "pg"]
+	# target = db:pg:
+	# registry = sqitch
+	# client = psql
+[deploy]
+	verify = true
+[rebase]
+	verify = true
+[target "onboarding"]
+	uri = db:pg:onboarding
+[engine "pg"]
+	target = onboarding

schema/sqitch.plan

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+%syntax-version=1.0.0
+%project=onboarding
+%uri=https://github.com/pbastia/button-onboarding
+
+adding_schema_for_application 2020-09-11T19:03:42Z Pierre Bastianelli <pierre.bastianelli@gov.bc.ca> # Adding schema for button onboarding app
+adding_tasks_table [adding_schema_for_application] 2020-09-11T20:24:35Z Pierre Bastianelli <pierre.bastianelli@gov.bc.ca> # Creates a table for the tasks
+adding_update_trigger [adding_tasks_table] 2020-09-11T20:52:27Z Pierre Bastianelli <pierre.bastianelli@gov.bc.ca> # Creates a trigger to keep the updated timestamp correct

schema/verify/adding_schema_for_application.sql

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+-- Verify onboarding:adding_schema_for_application on pg
+
+BEGIN;
+
+DO $$
+BEGIN
+    ASSERT(SELECT pg_catalog.has_schema_privilege('onboarding', 'usage'));
+END $$;
+
+ROLLBACK;

schema/verify/adding_tasks_table.sql

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+-- Verify onboarding:adding_tasks_table on pg
+
+BEGIN;
+
+SELECT id, task, completed, date_created, date_updated FROM onboarding.tasks WHERE FALSE;
+
+ROLLBACK;

schema/verify/adding_update_trigger.sql

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+-- Verify onboarding:adding_update_trigger on pg
+
+BEGIN;
+
+SELECT has_function_privilege('onboarding.trigger_update_timestamp()', 'execute');
+
+DO $$
+BEGIN
+    PERFORM tgname
+    FROM pg_trigger -- internal postgres table for triggers
+    WHERE NOT tgisinternal
+    AND tgname = 'update_timestamp'
+    and tgrelid = 'onboarding.tasks'::regclass;
+    IF NOT FOUND THEN
+        RAISE EXCEPTION 'Trigger update timestamp not found';
+    END IF;
+END $$;
+
+ROLLBACK;