From 2d4d2c667f794d6de694280004a58086f34d4ff1 Mon Sep 17 00:00:00 2001
From: Brandon Thomas <echelon@gmail.com>
Date: Tue, 16 Jan 2024 19:49:08 -0500
Subject: [PATCH] reference schemas

---
 .../migrations_squashed/batch_generations.sql | 42 +++++++++++++++++++
 .../idempotency_tokens.sql                    | 19 +++++++++
 2 files changed, 61 insertions(+)
 create mode 100644 _sql/migrations_squashed/batch_generations.sql
 create mode 100644 _sql/migrations_squashed/idempotency_tokens.sql

diff --git a/_sql/migrations_squashed/batch_generations.sql b/_sql/migrations_squashed/batch_generations.sql
new file mode 100644
index 0000000000..d738abb9f5
--- /dev/null
+++ b/_sql/migrations_squashed/batch_generations.sql
@@ -0,0 +1,42 @@
+-- noinspection SqlDialectInspectionForFile
+-- noinspection SqlNoDataSourceInspectionForFile
+-- noinspection SqlResolveForFile
+
+-- Batch generations
+CREATE TABLE batch_generations (
+  -- Not used for anything except replication.
+  id BIGINT(20) NOT NULL AUTO_INCREMENT,
+
+  -- The batch token
+  -- This is **NOT** a unique token.
+  token VARCHAR(32) NOT NULL,
+
+  -- ========== ENTITY LINKAGE ==========
+
+  -- The type of record this is attached to
+  -- Currently supported values:
+  --   * 'model_weight'
+  --   * 'media_file'
+  --   * 'comment'
+  entity_type VARCHAR(32) NOT NULL,
+
+  -- The token for the record.
+  entity_token VARCHAR(32) NOT NULL,
+
+  -- ========== TIMESTAMPS ==========
+
+  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  updated_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+
+  -- INDICES --
+  PRIMARY KEY (id),
+  UNIQUE KEY (token, entity_type, entity_token),
+  KEY index_token (token),
+  KEY index_entity_token (entity_token)
+
+  -- NB: Realistically, we probably don't need this index until we have a lot of entity types, and the entity_token
+  -- entropy is probably sufficient enough as-is.
+  -- KEY index_entity_type_and_token (entity_type, entity_token),
+
+
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
diff --git a/_sql/migrations_squashed/idempotency_tokens.sql b/_sql/migrations_squashed/idempotency_tokens.sql
new file mode 100644
index 0000000000..5667756d56
--- /dev/null
+++ b/_sql/migrations_squashed/idempotency_tokens.sql
@@ -0,0 +1,19 @@
+-- noinspection SqlDialectInspectionForFile
+-- noinspection SqlNoDataSourceInspectionForFile
+-- noinspection SqlResolveForFile
+
+-- A form of optimistic locking
+CREATE TABLE idempotency_tokens (
+  -- Not used for anything except replication.
+  id BIGINT(20) NOT NULL AUTO_INCREMENT,
+
+  -- This can be a UUID or any entropic value.
+  idempotency_value VARCHAR(36) NOT NULL,
+
+  created_at TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+  -- INDICES --
+  PRIMARY KEY (id),
+  UNIQUE KEY (idempotency_value)
+
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;