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using System;
using Microsoft.EntityFrameworkCore.Migrations;
namespace TimelineApp.Migrations
{
public partial class AddDataTable : Migration
{
protected override void Up(MigrationBuilder migrationBuilder)
{
migrationBuilder.CreateTable(
name: "data",
columns: table => new
{
id = table.Column<long>(nullable: false)
.Annotation("Sqlite:Autoincrement", true),
tag = table.Column<string>(nullable: false),
data = table.Column<byte[]>(nullable: false),
@ref = table.Column<int>(name: "ref", nullable: false)
},
constraints: table =>
{
table.PrimaryKey("PK_data", x => x.id);
});
migrationBuilder.CreateIndex(
name: "IX_data_tag",
table: "data",
column: "tag",
unique: true);
migrationBuilder.Sql(@"
ALTER TABLE user_avatars
RENAME TO user_avatars_backup;
CREATE TABLE user_avatars (
id INTEGER NOT NULL
CONSTRAINT PK_user_avatars PRIMARY KEY AUTOINCREMENT,
data_tag TEXT,
type TEXT,
last_modified TEXT NOT NULL,
user INTEGER NOT NULL,
CONSTRAINT FK_user_avatars_users_user FOREIGN KEY (
user
)
REFERENCES users (id) ON DELETE CASCADE
);
INSERT INTO user_avatars (id, data_tag, type, last_modified, user)
SELECT id, etag, type, last_modified, user FROM user_avatars_backup;
INSERT OR IGNORE INTO data (tag, data, ref)
SELECT etag, data, 0 FROM user_avatars_backup;
UPDATE data
SET ref = (SELECT COUNT (*)
FROM user_avatars_backup AS a
WHERE a.etag == data.tag);
DROP TABLE user_avatars_backup;
CREATE UNIQUE INDEX IX_user_avatars_user ON user_avatars (user);
");
}
protected override void Down(MigrationBuilder migrationBuilder)
{
migrationBuilder.DropTable(
name: "data");
migrationBuilder.DropColumn(
name: "data_tag",
table: "user_avatars");
migrationBuilder.AddColumn<byte[]>(
name: "data",
table: "user_avatars",
type: "BLOB",
nullable: true);
migrationBuilder.AddColumn<string>(
name: "etag",
table: "user_avatars",
type: "TEXT",
nullable: true);
}
}
}
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