From 424402cd83a9dd2e9605c0224ab4012f435f7110 Mon Sep 17 00:00:00 2001
From: Timur Shemsedinov <timur.shemsedinov@gmail.com>
Date: Sat, 12 Sep 2020 13:53:50 +0300
Subject: [PATCH] feat: migrations structure and example

Refs: https://github.com/metarhia/metasql/issues/23
---
 test/schema/.database.js                      | 16 +++++++++++++++
 .../.history/2020-09-11-v1/.database.js       | 14 +++++++++++++
 test/schema/.history/2020-09-11-v1/City.js    |  4 ++++
 test/schema/.history/2020-09-11-v1/Country.js |  3 +++
 .../.history/2020-09-11-v2/.database.js       | 14 +++++++++++++
 test/schema/.history/2020-09-11-v2/City.js    |  4 ++++
 test/schema/.history/2020-09-11-v2/Country.js |  4 ++++
 .../schema/.history/2020-09-11-v2/District.js |  4 ++++
 test/schema/.history/2020-09-11-v2/Planet.js  |  3 +++
 test/schema/.migrations/2020-09-11-v1-dn.sql  |  5 +++++
 test/schema/.migrations/2020-09-11-v1-up.sql  | 20 +++++++++++++++++++
 test/schema/.migrations/2020-09-11-v2-dn.sql  |  5 +++++
 test/schema/.migrations/2020-09-11-v2-up.sql  | 19 ++++++++++++++++++
 13 files changed, 115 insertions(+)
 create mode 100644 test/schema/.database.js
 create mode 100644 test/schema/.history/2020-09-11-v1/.database.js
 create mode 100644 test/schema/.history/2020-09-11-v1/City.js
 create mode 100644 test/schema/.history/2020-09-11-v1/Country.js
 create mode 100644 test/schema/.history/2020-09-11-v2/.database.js
 create mode 100644 test/schema/.history/2020-09-11-v2/City.js
 create mode 100644 test/schema/.history/2020-09-11-v2/Country.js
 create mode 100644 test/schema/.history/2020-09-11-v2/District.js
 create mode 100644 test/schema/.history/2020-09-11-v2/Planet.js
 create mode 100644 test/schema/.migrations/2020-09-11-v1-dn.sql
 create mode 100644 test/schema/.migrations/2020-09-11-v1-up.sql
 create mode 100644 test/schema/.migrations/2020-09-11-v2-dn.sql
 create mode 100644 test/schema/.migrations/2020-09-11-v2-up.sql

diff --git a/test/schema/.database.js b/test/schema/.database.js
new file mode 100644
index 0000000..d1da83c
--- /dev/null
+++ b/test/schema/.database.js
@@ -0,0 +1,16 @@
+({
+  name: 'example',
+  description: 'Example database schema',
+  version: 3,
+
+  authors: [
+    { name: 'Timur Shemsedinov', email: 'timur.shemsedinov@gmail.com' },
+  ],
+
+  extensions: [
+    'hstore',
+    'postgis',
+    'postgis_topology',
+    'pg_trgm',
+  ]
+});
diff --git a/test/schema/.history/2020-09-11-v1/.database.js b/test/schema/.history/2020-09-11-v1/.database.js
new file mode 100644
index 0000000..8650718
--- /dev/null
+++ b/test/schema/.history/2020-09-11-v1/.database.js
@@ -0,0 +1,14 @@
+({
+  name: 'example',
+  description: 'Example database schema',
+  version: 1,
+
+  authors: [
+    { name: 'Timur Shemsedinov', email: 'timur.shemsedinov@gmail.com' },
+  ],
+
+  extensions: [
+    'hstore',
+    'pg_trgm',
+  ]
+});
diff --git a/test/schema/.history/2020-09-11-v1/City.js b/test/schema/.history/2020-09-11-v1/City.js
new file mode 100644
index 0000000..836c64f
--- /dev/null
+++ b/test/schema/.history/2020-09-11-v1/City.js
@@ -0,0 +1,4 @@
+({
+  country: 'Country',
+  name: { type: 'string', unique: true },
+});
diff --git a/test/schema/.history/2020-09-11-v1/Country.js b/test/schema/.history/2020-09-11-v1/Country.js
new file mode 100644
index 0000000..915d8e5
--- /dev/null
+++ b/test/schema/.history/2020-09-11-v1/Country.js
@@ -0,0 +1,3 @@
+({
+  name: { type: 'string', unique: true },
+});
diff --git a/test/schema/.history/2020-09-11-v2/.database.js b/test/schema/.history/2020-09-11-v2/.database.js
new file mode 100644
index 0000000..901a475
--- /dev/null
+++ b/test/schema/.history/2020-09-11-v2/.database.js
@@ -0,0 +1,14 @@
+({
+  name: 'example',
+  description: 'Example database schema',
+  version: 2,
+
+  authors: [
+    { name: 'Timur Shemsedinov', email: 'timur.shemsedinov@gmail.com' },
+  ],
+
+  extensions: [
+    'hstore',
+    'pg_trgm',
+  ]
+});
diff --git a/test/schema/.history/2020-09-11-v2/City.js b/test/schema/.history/2020-09-11-v2/City.js
new file mode 100644
index 0000000..836c64f
--- /dev/null
+++ b/test/schema/.history/2020-09-11-v2/City.js
@@ -0,0 +1,4 @@
+({
+  country: 'Country',
+  name: { type: 'string', unique: true },
+});
diff --git a/test/schema/.history/2020-09-11-v2/Country.js b/test/schema/.history/2020-09-11-v2/Country.js
new file mode 100644
index 0000000..bf9dca5
--- /dev/null
+++ b/test/schema/.history/2020-09-11-v2/Country.js
@@ -0,0 +1,4 @@
+({
+  planet: 'Planet',
+  name: { type: 'string', unique: true },
+});
diff --git a/test/schema/.history/2020-09-11-v2/District.js b/test/schema/.history/2020-09-11-v2/District.js
new file mode 100644
index 0000000..98e9895
--- /dev/null
+++ b/test/schema/.history/2020-09-11-v2/District.js
@@ -0,0 +1,4 @@
+({
+  city: 'City',
+  name: 'string',
+});
diff --git a/test/schema/.history/2020-09-11-v2/Planet.js b/test/schema/.history/2020-09-11-v2/Planet.js
new file mode 100644
index 0000000..d062d87
--- /dev/null
+++ b/test/schema/.history/2020-09-11-v2/Planet.js
@@ -0,0 +1,3 @@
+({
+  name: 'string',
+});
diff --git a/test/schema/.migrations/2020-09-11-v1-dn.sql b/test/schema/.migrations/2020-09-11-v1-dn.sql
new file mode 100644
index 0000000..e2f677d
--- /dev/null
+++ b/test/schema/.migrations/2020-09-11-v1-dn.sql
@@ -0,0 +1,5 @@
+DROP TABLE "Country";
+DROP TABLE "City";
+
+DROP EXTENSION hstore;
+DROP EXTENSION pg_trgm;
diff --git a/test/schema/.migrations/2020-09-11-v1-up.sql b/test/schema/.migrations/2020-09-11-v1-up.sql
new file mode 100644
index 0000000..e8b5d70
--- /dev/null
+++ b/test/schema/.migrations/2020-09-11-v1-up.sql
@@ -0,0 +1,20 @@
+CREATE EXTENSION hstore;
+CREATE EXTENSION pg_trgm;
+
+CREATE TABLE "Country" (
+  "countryId" bigint generated always as identity,
+  "name" varchar NOT NULL
+);
+
+ALTER TABLE "Country" ADD CONSTRAINT "pkCountry" PRIMARY KEY ("countryId");
+CREATE UNIQUE INDEX "akCountryName" ON "Country" ("name");
+
+CREATE TABLE "City" (
+  "cityId" bigint generated always as identity,
+  "countryId" bigint NOT NULL,
+  "name" varchar NOT NULL
+);
+
+ALTER TABLE "City" ADD CONSTRAINT "pkCity" PRIMARY KEY ("cityId");
+ALTER TABLE "City" ADD CONSTRAINT "fkCityCountry" FOREIGN KEY ("countryId") REFERENCES "Country" ("countryId") ON DELETE CASCADE;
+CREATE UNIQUE INDEX "akCityName" ON "City" ("name");
diff --git a/test/schema/.migrations/2020-09-11-v2-dn.sql b/test/schema/.migrations/2020-09-11-v2-dn.sql
new file mode 100644
index 0000000..ac88c1f
--- /dev/null
+++ b/test/schema/.migrations/2020-09-11-v2-dn.sql
@@ -0,0 +1,5 @@
+DROP TABLE "District";
+
+ALTER TABLE "Country" DROP COLUMN "planetId";
+
+DROP TABLE "Planet";
diff --git a/test/schema/.migrations/2020-09-11-v2-up.sql b/test/schema/.migrations/2020-09-11-v2-up.sql
new file mode 100644
index 0000000..e058616
--- /dev/null
+++ b/test/schema/.migrations/2020-09-11-v2-up.sql
@@ -0,0 +1,19 @@
+CREATE TABLE "Planet" (
+  "planetId" bigint generated always as identity,
+  "name" varchar NOT NULL
+);
+
+ALTER TABLE "Planet" ADD CONSTRAINT "pkPlanet" PRIMARY KEY ("planetId");
+
+ALTER TABLE "Country" ADD COLUMN "planetId" bigint NOT NULL );
+
+ALTER TABLE "Country" ADD CONSTRAINT "fkCountryPlanet" FOREIGN KEY ("planetId") REFERENCES "Planet" ("planetId") ON DELETE CASCADE;
+
+CREATE TABLE "District" (
+  "districtId" bigint generated always as identity,
+  "cityId" bigint NOT NULL,
+  "name" varchar NOT NULL
+);
+
+ALTER TABLE "District" ADD CONSTRAINT "pkDistrict" PRIMARY KEY ("districtId");
+ALTER TABLE "District" ADD CONSTRAINT "fkDistrictCity" FOREIGN KEY ("cityId") REFERENCES "City" ("cityId") ON DELETE CASCADE;