39 lines
1.1 KiB
C#
39 lines
1.1 KiB
C#
using Microsoft.EntityFrameworkCore.Migrations;
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#nullable disable
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namespace FileStorageService.www.Data.Migrations
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{
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/// <inheritdoc />
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public partial class DenormalisingBlockCount : 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: "FileBlockCount",
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table: "FileHandles",
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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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UPDATE FileHandles
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SET FileBlockCount = (
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SELECT COUNT(*)
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FROM FileBlocks
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WHERE FileBlocks.FileHandleId = FileHandles.Id
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);
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");
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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.DropColumn(
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name: "FileBlockCount",
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table: "FileHandles");
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}
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}
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}
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