78 lines
2.3 KiB
C#
78 lines
2.3 KiB
C#
using System;
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations;
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using Microsoft.EntityFrameworkCore;
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namespace IRaCIS.Core.Test.CodeFirstTest.PGSQL.Migrations;
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public abstract class BaseFullAuditEntity
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{
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[Key]
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public Guid Id { get; set; }
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public Guid CreateUserId { get; set; }
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public DateTime CreateTime { get; set; }
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public Guid UpdateUserId { get; set; }
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public DateTime UpdateTime { get; set; }
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}
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public class TestStr : BaseFullAuditEntity
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{
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public string DefualtLength { get; set; }
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[MaxLength]
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public string MaxLength { get; set; }
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[StringLength(400)]
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public string DefineLength { get; set; }
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}
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public partial class PGContext : DbContext
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{
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public PGContext()
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{
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}
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public PGContext(DbContextOptions<PGContext> options)
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: base(options)
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{
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}
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public virtual DbSet<TestStr> TestStr { get; set; }
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protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
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=> optionsBuilder.UseNpgsql("Host=106.14.89.110;Port=5432;Username=sa;Password=pgsql_pwd;Database=Test6_PG");
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protected override void OnModelCreating(ModelBuilder modelBuilder)
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{
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if (base.Database.IsNpgsql())
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{
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modelBuilder.HasPostgresExtension("uuid-ossp");
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//保证pgsql 生成的时间默认为timestamp 而不是 timestamp with time zone
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foreach (var entityType in modelBuilder.Model.GetEntityTypes())
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{
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foreach (var property in entityType.GetProperties())
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{
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if (property.ClrType == typeof(DateTime) || property.ClrType == typeof(DateTime?))
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{
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property.SetColumnType("timestamp without time zone");
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}
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}
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}
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}
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OnModelCreatingPartial(modelBuilder);
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}
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protected override void ConfigureConventions(ModelConfigurationBuilder configurationBuilder)
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{
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//configurationBuilder.Conventions.Add(_ => new NoForeignKeyConvention());
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//针对字符串使用默认的长度配置
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configurationBuilder.Conventions.Add(_ => new MaxStringLengthConvention(200));
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}
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partial void OnModelCreatingPartial(ModelBuilder modelBuilder);
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}
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