myAi/Apis/cv-matcher-data/Migrations/20260529111000_UpdateResultsUniqueConstraintToIncludeLanguage.cs

using Microsoft.EntityFrameworkCore.Migrations;

#nullable disable

namespace CvMatcher.Data.Migrations
{
    /// <inheritdoc />
    public partial class UpdateResultsUniqueConstraintToIncludeLanguage : Migration
    {
        /// <inheritdoc />
        protected override void Up(MigrationBuilder migrationBuilder)
        {
            // The Language column was added in migration 20260524140335, but the unique constraint
            // was never updated from (CvDocumentId, JobDocumentId) to include Language.
            // This caused duplicate key violations when matching the same CV+Job in different languages.

            migrationBuilder.DropIndex(
                name: "IX_Results_CvDocumentId_JobDocumentId",
                schema: MigrationConstants.SchemaName,
                table: "Results");

            migrationBuilder.CreateIndex(
                name: "IX_Results_CvDocumentId_JobDocumentId_Language",
                schema: MigrationConstants.SchemaName,
                table: "Results",
                columns: new[] { "CvDocumentId", "JobDocumentId", "Language" },
                unique: true);
        }

        /// <inheritdoc />
        protected override void Down(MigrationBuilder migrationBuilder)
        {
            migrationBuilder.DropIndex(
                name: "IX_Results_CvDocumentId_JobDocumentId_Language",
                schema: MigrationConstants.SchemaName,
                table: "Results");

            migrationBuilder.CreateIndex(
                name: "IX_Results_CvDocumentId_JobDocumentId",
                schema: MigrationConstants.SchemaName,
                table: "Results",
                columns: new[] { "CvDocumentId", "JobDocumentId" },
                unique: true);
        }
    }
}