add scratch rust stuff

4 files changed, 111 insertions, 0 deletions

diff --git a/rust/migrations/00000000000000_diesel_initial_setup/down.sql b/rust/migrations/00000000000000_diesel_initial_setup/down.sql
new file mode 100644
index 00000000..a9f52609
--- /dev/null
+++ b/rust/migrations/00000000000000_diesel_initial_setup/down.sql
@@ -0,0 +1,6 @@
+-- This file was automatically created by Diesel to setup helper functions
+-- and other internal bookkeeping. This file is safe to edit, any future
+-- changes will be added to existing projects as new migrations.
+
+DROP FUNCTION IF EXISTS diesel_manage_updated_at(_tbl regclass);
+DROP FUNCTION IF EXISTS diesel_set_updated_at();
diff --git a/rust/migrations/00000000000000_diesel_initial_setup/up.sql b/rust/migrations/00000000000000_diesel_initial_setup/up.sql
new file mode 100644
index 00000000..3400c7c5
--- /dev/null
+++ b/rust/migrations/00000000000000_diesel_initial_setup/up.sql
@@ -0,0 +1,37 @@
+-- This file was automatically created by Diesel to setup helper functions
+-- and other internal bookkeeping. This file is safe to edit, any future
+-- changes will be added to existing projects as new migrations.
+
+
+
+
+-- Sets up a trigger for the given table to automatically set a column called
+-- `updated_at` whenever the row is modified (unless `updated_at` was included
+-- in the modified columns)
+--
+-- # Example
+--
+-- ```sql
+-- CREATE TABLE users (id SERIAL PRIMARY KEY, updated_at TIMESTAMP NOT NULL DEFAULT NOW());
+--
+-- SELECT diesel_manage_updated_at('users');
+-- ```
+CREATE OR REPLACE FUNCTION diesel_manage_updated_at(_tbl regclass) RETURNS VOID AS $$
+BEGIN
+    EXECUTE format('CREATE TRIGGER set_updated_at BEFORE UPDATE ON %s
+                    FOR EACH ROW EXECUTE PROCEDURE diesel_set_updated_at()', _tbl);
+END;
+$$ LANGUAGE plpgsql;
+
+CREATE OR REPLACE FUNCTION diesel_set_updated_at() RETURNS trigger AS $$
+BEGIN
+    IF (
+        NEW IS DISTINCT FROM OLD AND
+        NEW.updated_at IS NOT DISTINCT FROM OLD.updated_at
+    ) THEN
+        NEW.updated_at := current_timestamp;
+    END IF;
+    RETURN NEW;
+END;
+$$ LANGUAGE plpgsql;
+
diff --git a/rust/migrations/2018-05-12-001226_init/down.sql b/rust/migrations/2018-05-12-001226_init/down.sql
new file mode 100644
index 00000000..6c379b2f
--- /dev/null
+++ b/rust/migrations/2018-05-12-001226_init/down.sql
@@ -0,0 +1,7 @@
+
+DROP TABLE IF EXISTS editor CASCADE;
+DROP TABLE IF EXISTS editgroup CASCADE;
+DROP TABLE IF EXISTS changelog CASCADE;
+DROP TABLE IF EXISTS creator_rev CASCADE;
+DROP TABLE IF EXISTS creator_ident CASCADE;
+DROP TABLE IF EXISTS creator_edit CASCADE;
diff --git a/rust/migrations/2018-05-12-001226_init/up.sql b/rust/migrations/2018-05-12-001226_init/up.sql
new file mode 100644
index 00000000..2933deef
--- /dev/null
+++ b/rust/migrations/2018-05-12-001226_init/up.sql
@@ -0,0 +1,61 @@
+-- written for Postgres 9.6 with OSSP extension for UUIDs
+
+CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
+
+
+-- uuid_generate_v1mc: timestamp ordered, random MAC address
+-- uuid_generate_v4:   totally random
+
+-- NB: could use LIKE clause, or "composite types"
+
+CREATE TABLE editor (
+    id                  BIGSERIAL PRIMARY KEY,
+    username            TEXT NOT NULL,
+    is_admin            BOOLEAN NOT NULL DEFAULT false,
+    active_editgroup_id BIGINT -- REFERENCES( editgroup(id) via ALTER below
+);
+
+CREATE TABLE editgroup (
+    id                  BIGSERIAL PRIMARY KEY,
+    extra_json          JSON,
+    editor_id           BIGSERIAL REFERENCES editor(id) NOT NULL,
+    description         TEXT
+);
+
+ALTER TABLE editor
+    ADD CONSTRAINT editor_editgroupid_fkey FOREIGN KEY (active_editgroup_id)
+        REFERENCES editgroup(id);
+
+CREATE TABLE changelog (
+    id                  BIGSERIAL PRIMARY KEY,
+    editgroup_id        BIGINT REFERENCES editgroup(id) NOT NULL,
+    timestamp           TIMESTAMP WITHOUT TIME ZONE DEFAULT now()
+);
+
+CREATE TABLE creator_rev (
+    id                  BIGSERIAL PRIMARY KEY,
+    extra_json          JSON,
+
+    name                TEXT,
+    orcid               TEXT
+);
+
+-- Could denormalize a "is_live" flag into revision tables, to make indices
+-- more efficient
+CREATE INDEX creator_rev_orcid_idx ON creator_rev(orcid) WHERE orcid IS NOT NULL;
+
+CREATE TABLE creator_ident (
+    id                  UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
+    is_live             BOOL NOT NULL DEFAULT false,
+    rev_id              BIGINT REFERENCES creator_rev(id),
+    redirect_id         UUID REFERENCES creator_ident(id)
+);
+
+CREATE TABLE creator_edit (
+    id                  BIGSERIAL PRIMARY KEY,
+    extra_json          JSON,
+    ident_id            UUID REFERENCES creator_ident(id) NOT NULL,
+    rev_id              BIGINT REFERENCES creator_rev(id),
+    redirect_id         UUID REFERENCES creator_ident(id),
+    editgroup_id        BIGINT REFERENCES editgroup(id) NOT NULL
+);