From ac769e656b122ff569c3f1534701b71e00fed586 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 27 Oct 2020 19:21:35 +0800
Subject: Split front and back end.

---
 .../Migrations/20200808071611_UserAddUniqueId.cs   | 55 ++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 BackEnd/Timeline/Migrations/20200808071611_UserAddUniqueId.cs

(limited to 'BackEnd/Timeline/Migrations/20200808071611_UserAddUniqueId.cs')

diff --git a/BackEnd/Timeline/Migrations/20200808071611_UserAddUniqueId.cs b/BackEnd/Timeline/Migrations/20200808071611_UserAddUniqueId.cs
new file mode 100644
index 00000000..651a2b05
--- /dev/null
+++ b/BackEnd/Timeline/Migrations/20200808071611_UserAddUniqueId.cs
@@ -0,0 +1,55 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace Timeline.Migrations
+{
+    public partial class UserAddUniqueId : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.Sql(
+@"
+PRAGMA foreign_keys=OFF;
+
+BEGIN TRANSACTION;
+
+CREATE TABLE new_users (
+    id       INTEGER NOT NULL
+                     CONSTRAINT PK_users PRIMARY KEY AUTOINCREMENT,
+	unique_id TEXT NOT NULL DEFAULT (lower(hex(randomblob(16)))),
+    username TEXT    NOT NULL,
+    password TEXT    NOT NULL,
+    roles    TEXT    NOT NULL,
+    version  INTEGER NOT NULL
+                     DEFAULT 0,
+    nickname TEXT
+);
+
+INSERT INTO new_users (id, username, password, roles, version, nickname)
+	SELECT id, username, password, roles, version, nickname FROM users;
+	
+DROP TABLE users;
+
+ALTER TABLE new_users
+	RENAME TO users; 
+
+CREATE UNIQUE INDEX IX_users_username ON users (
+    username
+);
+
+PRAGMA foreign_key_check;
+
+COMMIT TRANSACTION;
+
+PRAGMA foreign_keys=ON;
+"
+    , true);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "unique_id",
+                table: "users");
+        }
+    }
+}
-- 
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