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using Microsoft.EntityFrameworkCore.Migrations;
namespace Timeline.Migrations
{
public partial class AddTimelineUniqueId : Migration
{
protected override void Up(MigrationBuilder migrationBuilder)
{
migrationBuilder.Sql(
@"
PRAGMA foreign_keys=OFF;
BEGIN TRANSACTION;
CREATE TABLE new_timelines (
id INTEGER NOT NULL CONSTRAINT PK_timelines PRIMARY KEY AUTOINCREMENT,
unique_id TEXT NOT NULL DEFAULT (lower(hex(randomblob(16)))),
name TEXT NULL,
description TEXT NULL,
owner INTEGER NOT NULL,
visibility INTEGER NOT NULL,
create_time TEXT NOT NULL,
current_post_local_id INTEGER NOT NULL DEFAULT 0,
CONSTRAINT FK_timelines_users_owner FOREIGN KEY (owner) REFERENCES users (id) ON DELETE CASCADE
);
INSERT INTO new_timelines (id, name, description, owner, visibility, create_time, current_post_local_id)
SELECT id, name, description, owner, visibility, create_time, current_post_local_id FROM timelines;
DROP TABLE timelines;
ALTER TABLE new_timelines
RENAME TO timelines;
CREATE INDEX IX_timelines_owner ON timelines (owner);
PRAGMA foreign_key_check;
COMMIT TRANSACTION;
PRAGMA foreign_keys=ON;
"
, true);
}
protected override void Down(MigrationBuilder migrationBuilder)
{
}
}
}
|
