registry: initial v1 schema (#506)

registry/migrations/20231023144549_initial-v1-schema.sql

@@ -0,0 +1,51 @@
+CREATE SCHEMA v1;
+
+CREATE TABLE v1.trunk_project
+(
+    name text PRIMARY KEY
+);
+
+CREATE TABLE v1.trunk_project_versions
+(
+    id SERIAL PRIMARY KEY,
+    trunk_project_name text REFERENCES v1.trunk_project(name),
+    version text NOT NULL,
+    description text,
+    repository_link text,
+    documentation_link text,
+    UNIQUE (trunk_project_name, version)
+);
+
+CREATE TABLE v1.extension_versions
+(
+    id SERIAL PRIMARY KEY,
+    extension_name text NOT NULL,
+    trunk_project_version_id int REFERENCES v1.trunk_project_versions(id),
+    version text NOT NULL,
+    UNIQUE (extension_name, trunk_project_version_id, version)
+);
+
+CREATE TABLE v1.extensions_loadable_libraries
+(
+    id SERIAL PRIMARY KEY,
+    extension_version_id int REFERENCES v1.extension_versions(id),
+    library_name text NOT NULL,
+    requires_restart boolean DEFAULT false,
+    priority int DEFAULT 2147483647 -- max value for the 4 byte Postgres integer
+);
+
+CREATE TABLE v1.extension_dependency
+(
+    id SERIAL PRIMARY KEY,
+    extension_version_id int REFERENCES v1.extension_versions(id),
+    depends_on_extension_name text NOT NULL
+);
+
+CREATE TABLE v1.extension_configurations
+(
+    id SERIAL PRIMARY KEY,
+    extension_version_id int REFERENCES v1.extension_versions(id),
+    is_required boolean DEFAULT false,
+    configuration_name text NOT NULL,
+    recommended_default_value text
+);