53 lines
1.5 KiB
C#
53 lines
1.5 KiB
C#
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using Microsoft.EntityFrameworkCore.Migrations;
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#nullable disable
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namespace Meezi.Infrastructure.Data.Migrations
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{
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/// <inheritdoc />
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public partial class OrderDisplayNumber : Migration
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{
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/// <inheritdoc />
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protected override void Up(MigrationBuilder migrationBuilder)
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{
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migrationBuilder.AddColumn<int>(
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name: "DisplayNumber",
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table: "Orders",
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type: "integer",
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nullable: false,
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defaultValue: 0);
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migrationBuilder.Sql(
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"""
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WITH numbered AS (
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SELECT "Id",
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ROW_NUMBER() OVER (PARTITION BY "CafeId" ORDER BY "CreatedAt", "Id") AS rn
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FROM "Orders"
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)
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UPDATE "Orders" o
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SET "DisplayNumber" = n.rn
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FROM numbered n
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WHERE o."Id" = n."Id";
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""");
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migrationBuilder.CreateIndex(
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name: "IX_Orders_CafeId_DisplayNumber",
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table: "Orders",
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columns: new[] { "CafeId", "DisplayNumber" },
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unique: true);
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}
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/// <inheritdoc />
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protected override void Down(MigrationBuilder migrationBuilder)
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{
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migrationBuilder.DropIndex(
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name: "IX_Orders_CafeId_DisplayNumber",
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table: "Orders");
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migrationBuilder.DropColumn(
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name: "DisplayNumber",
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table: "Orders");
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}
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}
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}
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