26 lines
1019 B
C#
26 lines
1019 B
C#
using Microsoft.EntityFrameworkCore.Metadata.Builders;
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using Microsoft.EntityFrameworkCore.Metadata.Conventions;
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using System.Linq;
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namespace IRaCIS.Core.Test
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{
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/// <summary>
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/// Efcore 最新支持批量配置字符串类型长度作为保底的 官网参考：https://learn.microsoft.com/zh-cn/ef/core/modeling/bulk-configuration#conventions
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/// </summary>
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public class MaxStringLengthConvention : IModelFinalizingConvention
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{
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public void ProcessModelFinalizing(IConventionModelBuilder modelBuilder, IConventionContext<IConventionModelBuilder> context)
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{
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foreach (var property in modelBuilder.Metadata.GetEntityTypes()
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.SelectMany(
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entityType => entityType.GetDeclaredProperties()
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.Where(
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property => property.ClrType == typeof(string))))
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{
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property.Builder.HasMaxLength(200);
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}
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}
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}
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}
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