59 lines
3.4 KiB
C#
59 lines
3.4 KiB
C#
using Microsoft.EntityFrameworkCore.Migrations;
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using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
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#nullable disable
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namespace TakeoutSaaS.Infrastructure.Migrations.DictionaryDb
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{
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/// <inheritdoc />
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public partial class AddSystemParametersTable : 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.CreateTable(
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name: "system_parameters",
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columns: table => new
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{
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Id = table.Column<long>(type: "bigint", nullable: false, comment: "实体唯一标识。")
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.Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
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Key = table.Column<string>(type: "character varying(128)", maxLength: 128, nullable: false, comment: "参数键，租户内唯一。"),
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Value = table.Column<string>(type: "text", nullable: false, comment: "参数值，支持文本或 JSON。"),
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Description = table.Column<string>(type: "character varying(512)", maxLength: 512, nullable: true, comment: "描述信息。"),
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SortOrder = table.Column<int>(type: "integer", nullable: false, defaultValue: 100, comment: "排序值，越小越靠前。"),
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IsEnabled = table.Column<bool>(type: "boolean", nullable: false, defaultValue: true, comment: "是否启用。"),
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CreatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: false, comment: "创建时间（UTC）。"),
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UpdatedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "最近一次更新时间（UTC），从未更新时为 null。"),
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DeletedAt = table.Column<DateTime>(type: "timestamp with time zone", nullable: true, comment: "软删除时间（UTC），未删除时为 null。"),
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CreatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "创建人用户标识，匿名或系统操作时为 null。"),
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UpdatedBy = table.Column<long>(type: "bigint", nullable: true, comment: "最后更新人用户标识，匿名或系统操作时为 null。"),
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DeletedBy = table.Column<long>(type: "bigint", nullable: true, comment: "删除人用户标识（软删除），未删除时为 null。"),
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TenantId = table.Column<long>(type: "bigint", nullable: false, comment: "所属租户 ID。")
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},
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constraints: table =>
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{
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table.PrimaryKey("PK_system_parameters", x => x.Id);
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},
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comment: "系统参数实体：支持按租户维护的键值型配置。");
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migrationBuilder.CreateIndex(
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name: "IX_system_parameters_TenantId",
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table: "system_parameters",
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column: "TenantId");
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migrationBuilder.CreateIndex(
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name: "IX_system_parameters_TenantId_Key",
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table: "system_parameters",
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columns: new[] { "TenantId", "Key" },
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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.DropTable(
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name: "system_parameters");
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}
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}
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}
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