dramaling-vocab-learning/backend/DramaLing.Api/Migrations/20250926061341_AddStudyRecordUniqueIndex.cs

using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace DramaLing.Api.Migrations
{
    /// <inheritdoc />
    public partial class AddStudyRecordUniqueIndex : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropIndex(
                name: "IX_study_records_user_id",
                table: "study_records");

            migrationBuilder.CreateIndex(
                name: "IX_StudyRecord_UserCard_TestType_Unique",
                table: "study_records",
                columns: new[] { "user_id", "flashcard_id", "study_mode" },
                unique: true);
        }

        /// <inheritdoc />
        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropIndex(
                name: "IX_StudyRecord_UserCard_TestType_Unique",
                table: "study_records");

            migrationBuilder.CreateIndex(
                name: "IX_study_records_user_id",
                table: "study_records",
                column: "user_id");
        }
    }
}