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Lazy 延时加载属性，支持ManyToMany(多对多)
This commit is contained in:
28810
@@ -1,4 +1,5 @@
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using FreeSql.DataAnnotations;
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using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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@@ -52,8 +53,43 @@ namespace FreeSql.Tests.MySql {
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public List<TestTypeInfo> Types { get; set; }
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}
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public partial class Song {
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[Column(IsIdentity = true)]
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public int Id { get; set; }
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public DateTime? Create_time { get; set; }
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public bool? Is_deleted { get; set; }
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public string Title { get; set; }
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public string Url { get; set; }
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public virtual ICollection<Tag> Tags { get; set; }
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}
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public partial class Song_tag {
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public int Song_id { get; set; }
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public virtual Song Song { get; set; }
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public int Tag_id { get; set; }
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public virtual Tag Tag { get; set; }
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}
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public partial class Tag {
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[Column(IsIdentity = true)]
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public int Id { get; set; }
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public int? Parent_id { get; set; }
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public virtual Tag Parent { get; set; }
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public decimal? Ddd { get; set; }
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public string Name { get; set; }
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public virtual ICollection<Song> Songs { get; set; }
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}
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[Fact]
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public void Lazy() {
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//Type.GetType();
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var sql = g.mysql.Select<Tag>().Where(a => g.mysql.Select<Song_tag>().Where(b => b.Tag_id == a.Id && b.Song_id == 1).Any());
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var songs = g.mysql.Select<Song>().Limit(10).ToList();
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var ts = g.mysql.Select<TestTypeInfo>(1).ToOne();
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@@ -112,7 +112,7 @@ namespace FreeSql.Internal {
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}
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tbc.TryAdd(entity, trytb);
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//virtual 属性延时加载，动态产生新的重写类
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#region virtual 属性延时加载，动态产生新的重写类
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if (common.CodeFirst.IsLazyLoading && propsLazy.Any()) {
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var trytbTypeName = trytb.Type.IsNested ? $"{trytb.Type.DeclaringType.Namespace}.{trytb.Type.DeclaringType.Name}.{trytb.Type.Name}" : $"{trytb.Type.Namespace}.{trytb.Type.Name}";
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if (trytb.Type.IsPublic == false && trytb.Type.IsNestedPublic == false) throw new Exception($"【延时加载】实体类型 {trytbTypeName} 必须声明为 public");
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@@ -135,79 +135,236 @@ namespace FreeSql.Internal {
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//List 或 ICollection，一对多、多对多
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var propElementType = vp.Item1.PropertyType.GenericTypeArguments.FirstOrDefault() ?? vp.Item1.PropertyType.GetElementType();
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if (propElementType != null) {
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if (Activator.CreateInstance(vp.Item1.PropertyType) is ICollection == false) continue;
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if (vp.Item1.PropertyType.GetInterface("System.Collections.IEnumerable") == null) continue;
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if (trytb.Primarys.Any() == false) {
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//continue;
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throw new Exception($"【延时加载】导航属性 {vp.Item1.Name} 解析错误，实体类型 {trytbTypeName} 缺少主键标识，[Column(IsPrimary = true)]");
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throw new Exception($"【延时加载】导航属性 {trytbTypeName}.{vp.Item1.Name} 解析错误，实体类型 {trytbTypeName} 缺少主键标识，[Column(IsPrimary = true)]");
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}
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var tbref = propElementType == trytb.Type ? trytb : GetTableByEntity(propElementType, common); //可能是父子关系
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if (tbref == null) continue;
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var tbrefTypeName = tbref.Type.IsNested ? $"{tbref.Type.DeclaringType.Namespace}.{tbref.Type.DeclaringType.Name}.{tbref.Type.Name}" : $"{tbref.Type.Namespace}.{tbref.Type.Name}";
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Type midType = null;
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var isManyToMany = propElementType != trytb.Type &&
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vp.Item1.Name.EndsWith($"{tbref.CsName}s") &&
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tbref.Properties.Where(z => (z.Value.PropertyType.GenericTypeArguments.FirstOrDefault() == trytb.Type || z.Value.PropertyType.GetElementType() == trytb.Type) &&
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vp.Item1.Name.EndsWith($"{z.Key}s", StringComparison.CurrentCultureIgnoreCase) &&
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z.Key.EndsWith($"{trytb.CsName}s", StringComparison.CurrentCultureIgnoreCase) &&
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Activator.CreateInstance(z.Value.PropertyType) is ICollection).Any();
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//中间表怎么查询
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if (isManyToMany) continue;
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vp.Item1.PropertyType.GetInterface("System.Collections.IEnumerable") != null).Any();
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if (isManyToMany) {
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if (tbref.Primarys.Any() == false) {
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//continue;
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throw new Exception($"【延时加载ManyToMany】导航属性 {trytbTypeName}.{vp.Item1.Name} 解析错误，实体类型 {tbrefTypeName} 缺少主键标识，[Column(IsPrimary = true)]");
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}
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//中间表怎么查询，比如 Song、Tag、SongTag
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var midFlagStr = vp.Item1.Name.Remove(vp.Item1.Name.Length - tbref.CsName.Length - 1);
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var refcols = tbref.Properties.Where(z => z.Value.PropertyType == trytb.Type);
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var refprop = refcols.Count() == 1 ? refcols.First().Value : null;
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var lmbdWhere = new StringBuilder();
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var vpcols = new ColumnInfo[trytb.Primarys.Length];
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for (var a = 0; a < trytb.Primarys.Length; a++) {
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var findtrytbPkCsName = trytb.Primarys[a].CsName.TrimStart('_');
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if (findtrytbPkCsName.StartsWith(trytb.Type.Name, StringComparison.CurrentCultureIgnoreCase)) findtrytbPkCsName = findtrytbPkCsName.Substring(trytb.Type.Name.Length).TrimStart('_');
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var findtrytb = vp.Item1.Name;
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if (findtrytb.EndsWith(tbref.CsName + "s")) findtrytb = findtrytb.Substring(0, findtrytb.Length - tbref.CsName.Length - 1);
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findtrytb += trytb.CsName;
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if (tbref.ColumnsByCs.TryGetValue($"{findtrytb}{findtrytbPkCsName}", out var trycol) == false && //骆峰命名
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tbref.ColumnsByCs.TryGetValue($"{findtrytb}_{findtrytbPkCsName}", out trycol) == false //下划线命名
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) {
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if (refprop != null &&
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tbref.ColumnsByCs.TryGetValue($"{refprop.Name}{findtrytbPkCsName}", out trycol) == false && //骆峰命名
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tbref.ColumnsByCs.TryGetValue($"{refprop.Name}_{findtrytbPkCsName}", out trycol) == false) //下划线命名
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{
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//在 trytb 命名空间下查找中间类
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midType = trytb.Type.IsNested ?
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trytb.Type.Assembly.GetType($"{trytb.Type.Namespace}.{trytb.Type.DeclaringType.Name}+{trytb.CsName}{tbref.CsName}{midFlagStr}", false, true) : //SongTag
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trytb.Type.Assembly.GetType($"{trytb.Type.Namespace}.{trytb.CsName}{tbref.CsName}{midFlagStr}", false, true);
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if (midType != null) {
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var midTypeProps = midType.GetProperties();
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var midTypePropsTrytb = midTypeProps.Where(a => a.PropertyType == trytb.Type).Count();
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var midTypePropsTbref = midTypeProps.Where(a => a.PropertyType == tbref.Type).Count();
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if (midTypePropsTrytb != 1 || midTypePropsTbref != 1) midType = null;
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}
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if (midType == null) {
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midType = trytb.Type.IsNested ?
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trytb.Type.Assembly.GetType($"{trytb.Type.Namespace}.{trytb.Type.DeclaringType.Name}+{trytb.CsName}_{tbref.CsName}{(string.IsNullOrEmpty(midFlagStr) ? "" : "_")}{midFlagStr}", false, true) : //Song_Tag
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trytb.Type.Assembly.GetType($"{trytb.Type.Namespace}.{trytb.CsName}_{tbref.CsName}{(string.IsNullOrEmpty(midFlagStr) ? "" : "_")}{midFlagStr}", false, true);
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if (midType != null) {
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var midTypeProps = midType.GetProperties();
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var midTypePropsTrytb = midTypeProps.Where(a => a.PropertyType == trytb.Type).Count();
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var midTypePropsTbref = midTypeProps.Where(a => a.PropertyType == tbref.Type).Count();
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if (midTypePropsTrytb != 1 || midTypePropsTbref != 1) midType = null;
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}
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}
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if (midType == null) {
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midType = trytb.Type.IsNested ?
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trytb.Type.Assembly.GetType($"{trytb.Type.Namespace}.{trytb.Type.DeclaringType.Name}+{tbref.CsName}{trytb.CsName}{midFlagStr}", false, true) : //TagSong
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trytb.Type.Assembly.GetType($"{trytb.Type.Namespace}.{tbref.CsName}{trytb.CsName}{midFlagStr}", false, true);
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if (midType != null) {
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var midTypeProps = midType.GetProperties();
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var midTypePropsTrytb = midTypeProps.Where(a => a.PropertyType == trytb.Type).Count();
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var midTypePropsTbref = midTypeProps.Where(a => a.PropertyType == tbref.Type).Count();
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if (midTypePropsTrytb != 1 || midTypePropsTbref != 1) midType = null;
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}
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}
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if (midType == null) {
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midType = trytb.Type.IsNested ?
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trytb.Type.Assembly.GetType($"{trytb.Type.Namespace}.{trytb.Type.DeclaringType.Name}+{tbref.CsName}_{trytb.CsName}{(string.IsNullOrEmpty(midFlagStr) ? "" : "_")}{midFlagStr}", false, true) : //Tag_Song
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trytb.Type.Assembly.GetType($"{trytb.Type.Namespace}.{tbref.CsName}_{trytb.CsName}{(string.IsNullOrEmpty(midFlagStr) ? "" : "_")}{midFlagStr}", false, true);
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if (midType != null) {
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var midTypeProps = midType.GetProperties();
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var midTypePropsTrytb = midTypeProps.Where(a => a.PropertyType == trytb.Type).Count();
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var midTypePropsTbref = midTypeProps.Where(a => a.PropertyType == tbref.Type).Count();
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if (midTypePropsTrytb != 1 || midTypePropsTbref != 1) midType = null;
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}
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}
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//在 tbref 命名空间下查找中间类
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if (midType == null) {
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midType = tbref.Type.IsNested ?
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tbref.Type.Assembly.GetType($"{tbref.Type.Namespace}.{tbref.Type.DeclaringType.Name}+{trytb.CsName}{tbref.CsName}{midFlagStr}", false, true) : //SongTag
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tbref.Type.Assembly.GetType($"{tbref.Type.Namespace}.{trytb.CsName}{tbref.CsName}{midFlagStr}", false, true);
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if (midType != null) {
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var midTypeProps = midType.GetProperties();
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var midTypePropsTrytb = midTypeProps.Where(a => a.PropertyType == trytb.Type).Count();
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var midTypePropsTbref = midTypeProps.Where(a => a.PropertyType == tbref.Type).Count();
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if (midTypePropsTrytb != 1 || midTypePropsTbref != 1) midType = null;
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}
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}
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if (midType == null) {
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midType = tbref.Type.IsNested ?
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tbref.Type.Assembly.GetType($"{tbref.Type.Namespace}.{tbref.Type.DeclaringType.Name}+{trytb.CsName}_{tbref.CsName}{(string.IsNullOrEmpty(midFlagStr) ? "" : "_")}{midFlagStr}", false, true) : //Song_Tag
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tbref.Type.Assembly.GetType($"{tbref.Type.Namespace}.{trytb.CsName}_{tbref.CsName}{(string.IsNullOrEmpty(midFlagStr) ? "" : "_")}{midFlagStr}", false, true);
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if (midType != null) {
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var midTypeProps = midType.GetProperties();
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var midTypePropsTrytb = midTypeProps.Where(a => a.PropertyType == trytb.Type).Count();
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var midTypePropsTbref = midTypeProps.Where(a => a.PropertyType == tbref.Type).Count();
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if (midTypePropsTrytb != 1 || midTypePropsTbref != 1) midType = null;
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}
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}
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if (midType == null) {
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midType = tbref.Type.IsNested ?
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tbref.Type.Assembly.GetType($"{tbref.Type.Namespace}.{tbref.Type.DeclaringType.Name}+{tbref.CsName}{trytb.CsName}{midFlagStr}", false, true) : //TagSong
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tbref.Type.Assembly.GetType($"{tbref.Type.Namespace}.{tbref.CsName}{trytb.CsName}{midFlagStr}", false, true);
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if (midType != null) {
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var midTypeProps = midType.GetProperties();
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var midTypePropsTrytb = midTypeProps.Where(a => a.PropertyType == trytb.Type).Count();
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var midTypePropsTbref = midTypeProps.Where(a => a.PropertyType == tbref.Type).Count();
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if (midTypePropsTrytb != 1 || midTypePropsTbref != 1) midType = null;
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}
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}
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if (midType == null) {
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midType = tbref.Type.IsNested ?
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tbref.Type.Assembly.GetType($"{tbref.Type.Namespace}.{tbref.Type.DeclaringType.Name}+{tbref.CsName}_{trytb.CsName}{(string.IsNullOrEmpty(midFlagStr) ? "" : "_")}{midFlagStr}", false, true) : //Tag_Song
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tbref.Type.Assembly.GetType($"{tbref.Type.Namespace}.{tbref.CsName}_{trytb.CsName}{(string.IsNullOrEmpty(midFlagStr) ? "" : "_")}{midFlagStr}", false, true);
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if (midType != null) {
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var midTypeProps = midType.GetProperties();
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var midTypePropsTrytb = midTypeProps.Where(a => a.PropertyType == trytb.Type).Count();
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var midTypePropsTbref = midTypeProps.Where(a => a.PropertyType == tbref.Type).Count();
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if (midTypePropsTrytb != 1 || midTypePropsTbref != 1) midType = null;
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}
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}
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isManyToMany = midType != null;
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}
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if (isManyToMany) {
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var tbmid = GetTableByEntity(midType, common);
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var midTypePropsTrytb = tbmid.Properties.Where(a => a.Value.PropertyType == trytb.Type).FirstOrDefault().Value;
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//g.mysql.Select<Tag>().Where(a => g.mysql.Select<Song_tag>().Where(b => b.Tag_id == a.Id && b.Song_id == 1).Any());
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var lmbdWhere = new StringBuilder();
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for (var a = 0; a < trytb.Primarys.Length; a++) {
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var findtrytbPkCsName = trytb.Primarys[a].CsName.TrimStart('_');
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if (findtrytbPkCsName.StartsWith(trytb.Type.Name, StringComparison.CurrentCultureIgnoreCase)) findtrytbPkCsName = findtrytbPkCsName.Substring(trytb.Type.Name.Length).TrimStart('_');
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if (tbmid.ColumnsByCs.TryGetValue($"{midTypePropsTrytb.Name}{findtrytbPkCsName}", out var trycol) == false && //骆峰命名
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tbmid.ColumnsByCs.TryGetValue($"{midTypePropsTrytb.Name}_{findtrytbPkCsName}", out trycol) == false //下划线命名
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) {
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}
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if (trycol != null && trycol.CsType != trytb.Primarys[a].CsType)
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throw new Exception($"【延时加载ManyToMany】导航属性 {trytbTypeName}.{vp.Item1.Name} 解析错误，{tbmid.CsName}.{trycol.CsName} 和 {trytb.CsName}.{trytb.Primarys[a].CsName} 类型不一致");
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if (trycol == null)
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throw new Exception($"【延时加载ManyToMany】导航属性 {trytbTypeName}.{vp.Item1.Name} 在 {tbmid.CsName} 中没有找到对应的字段，如：{midTypePropsTrytb.Name}{findtrytbPkCsName}、{midTypePropsTrytb.Name}_{findtrytbPkCsName}");
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if (a > 0) lmbdWhere.Append(" && ");
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lmbdWhere.Append("b.").Append(trycol.CsName).Append(" == this.").Append(trytb.Primarys[a].CsName);
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}
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var midTypePropsTbref = tbmid.Properties.Where(a => a.Value.PropertyType == tbref.Type).FirstOrDefault().Value;
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for (var a = 0; a < tbref.Primarys.Length; a++) {
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var findtbrefPkCsName = tbref.Primarys[a].CsName.TrimStart('_');
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if (findtbrefPkCsName.StartsWith(tbref.Type.Name, StringComparison.CurrentCultureIgnoreCase)) findtbrefPkCsName = findtbrefPkCsName.Substring(tbref.Type.Name.Length).TrimStart('_');
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if (tbmid.ColumnsByCs.TryGetValue($"{midTypePropsTbref.Name}{findtbrefPkCsName}", out var trycol) == false && //骆峰命名
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tbmid.ColumnsByCs.TryGetValue($"{midTypePropsTbref.Name}_{findtbrefPkCsName}", out trycol) == false //下划线命名
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) {
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}
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if (trycol != null && trycol.CsType != tbref.Primarys[a].CsType)
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throw new Exception($"【延时加载】导航属性 {trytbTypeName}.{vp.Item1.Name} 解析错误，{trytb.CsName}.{trytb.Primarys[a].CsName} 和 {tbref.CsName}.{trycol.CsName} 类型不一致");
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throw new Exception($"【延时加载ManyToMany】导航属性 {tbrefTypeName}.{vp.Item1.Name} 解析错误，{tbmid.CsName}.{trycol.CsName} 和 {tbref.CsName}.{tbref.Primarys[a].CsName} 类型不一致");
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if (trycol == null)
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throw new Exception($"【延时加载】导航属性 {trytbTypeName}.{vp.Item1.Name} 在 {tbref.CsName} 中没有找到对应的字段，如：{findtrytb}{findtrytbPkCsName}、{findtrytb}_{findtrytbPkCsName}、{refprop.Name}{findtrytbPkCsName}、{refprop.Name}_{findtrytbPkCsName}");
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}
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if (a > 0) lmbdWhere.Append(" && ");
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lmbdWhere.Append("a.").Append(trycol.CsName).Append(" == this.").Append(trytb.Primarys[a].CsName);
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throw new Exception($"【延时加载ManyToMany】导航属性 {tbrefTypeName}.{vp.Item1.Name} 在 {tbmid.CsName} 中没有找到对应的字段，如：{midTypePropsTbref.Name}{findtbrefPkCsName}、{midTypePropsTbref.Name}_{findtbrefPkCsName}");
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if (refprop == null) {
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var findtrytbName = trycol.CsName;
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if (findtrytbName.EndsWith(trytb.Primarys.First().CsName)) {
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findtrytbName = findtrytbName.Remove(findtrytbName.Length - trytb.Primarys.First().CsName.Length).TrimEnd('_');
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if (tbref.Properties.TryGetValue(findtrytbName, out refprop) && refprop.PropertyType != trytb.Type)
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refprop = null;
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lmbdWhere.Append(" && b.").Append(trycol.CsName).Append(" == a.").Append(tbref.Primarys[a].CsName);
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}
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cscode.Append(" private bool __lazy__").Append(vp.Item1.Name).AppendLine(" = false;")
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.Append(" public override ").Append(propTypeName).Append(" ").Append(vp.Item1.Name).AppendLine(" {");
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if (vp.Item2) { //get 重写
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cscode.Append(" get {\r\n")
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.Append(" if (base.").Append(vp.Item1.Name).Append(" == null && __lazy__").Append(vp.Item1.Name).AppendLine(" == false) {")
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.Append(" base.").Append(vp.Item1.Name).Append(" = __fsql_orm__.Select<").Append(propElementType.IsNested ? $"{propElementType.DeclaringType.Namespace}.{propElementType.DeclaringType.Name}.{propElementType.Name}" : $"{propElementType.Namespace}.{propElementType.Name}")
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.Append(">().Where(a => __fsql_orm__.Select<").Append(tbmid.Type.IsNested ? $"{tbmid.Type.DeclaringType.Namespace}.{tbmid.Type.DeclaringType.Name}.{tbmid.Type.Name}" : $"{tbmid.Type.Namespace}.{tbmid.Type.Name}")
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.Append(">().Where(b => ").Append(lmbdWhere.ToString()).AppendLine(").Any()).ToList();");
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cscode.Append(" __lazy__").Append(vp.Item1.Name).AppendLine(" = true;")
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.Append(" }\r\n")
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.Append(" return base.").Append(vp.Item1.Name).AppendLine(";")
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.Append(" }\r\n");
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}
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if (vp.Item3) { //set 重写
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cscode.Append(" set => base.").Append(vp.Item1.Name).AppendLine(" = value;");
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}
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cscode.AppendLine(" }");
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} else { //One To Many
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var refcols = tbref.Properties.Where(z => z.Value.PropertyType == trytb.Type);
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var refprop = refcols.Count() == 1 ? refcols.First().Value : null;
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||||
var lmbdWhere = new StringBuilder();
|
||||
for (var a = 0; a < trytb.Primarys.Length; a++) {
|
||||
var findtrytbPkCsName = trytb.Primarys[a].CsName.TrimStart('_');
|
||||
if (findtrytbPkCsName.StartsWith(trytb.Type.Name, StringComparison.CurrentCultureIgnoreCase)) findtrytbPkCsName = findtrytbPkCsName.Substring(trytb.Type.Name.Length).TrimStart('_');
|
||||
var findtrytb = vp.Item1.Name;
|
||||
if (findtrytb.EndsWith(tbref.CsName + "s")) findtrytb = findtrytb.Substring(0, findtrytb.Length - tbref.CsName.Length - 1);
|
||||
findtrytb += trytb.CsName;
|
||||
if (tbref.ColumnsByCs.TryGetValue($"{findtrytb}{findtrytbPkCsName}", out var trycol) == false && //骆峰命名
|
||||
tbref.ColumnsByCs.TryGetValue($"{findtrytb}_{findtrytbPkCsName}", out trycol) == false //下划线命名
|
||||
) {
|
||||
if (refprop != null &&
|
||||
tbref.ColumnsByCs.TryGetValue($"{refprop.Name}{findtrytbPkCsName}", out trycol) == false && //骆峰命名
|
||||
tbref.ColumnsByCs.TryGetValue($"{refprop.Name}_{findtrytbPkCsName}", out trycol) == false) //下划线命名
|
||||
{
|
||||
|
||||
}
|
||||
if (trycol != null && trycol.CsType != trytb.Primarys[a].CsType)
|
||||
throw new Exception($"【延时加载OneToMany】导航属性 {trytbTypeName}.{vp.Item1.Name} 解析错误，{trytb.CsName}.{trytb.Primarys[a].CsName} 和 {tbref.CsName}.{trycol.CsName} 类型不一致");
|
||||
if (trycol == null)
|
||||
throw new Exception($"【延时加载OneToMany】导航属性 {trytbTypeName}.{vp.Item1.Name} 在 {tbref.CsName} 中没有找到对应的字段，如：{findtrytb}{findtrytbPkCsName}、{findtrytb}_{findtrytbPkCsName}" + (refprop == null ? "" : $"、{refprop.Name}{findtrytbPkCsName}、{refprop.Name}_{findtrytbPkCsName}"));
|
||||
}
|
||||
if (a > 0) lmbdWhere.Append(" && ");
|
||||
lmbdWhere.Append("a.").Append(trycol.CsName).Append(" == this.").Append(trytb.Primarys[a].CsName);
|
||||
|
||||
if (refprop == null) { //加载成功后，把列表对应的导航属性值设置为 this，比如 Select<TopicType>().ToOne().Topics 下的 TopicType 属性值全部为 this
|
||||
var findtrytbName = trycol.CsName;
|
||||
if (findtrytbName.EndsWith(trytb.Primarys.First().CsName)) {
|
||||
findtrytbName = findtrytbName.Remove(findtrytbName.Length - trytb.Primarys.First().CsName.Length).TrimEnd('_');
|
||||
if (tbref.Properties.TryGetValue(findtrytbName, out refprop) && refprop.PropertyType != trytb.Type)
|
||||
refprop = null;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
cscode.Append(" private bool __lazy__").Append(vp.Item1.Name).AppendLine(" = false;")
|
||||
.Append(" public override ").Append(propTypeName).Append(" ").Append(vp.Item1.Name).AppendLine(" {");
|
||||
if (vp.Item2) { //get 重写
|
||||
cscode.Append(" get {\r\n")
|
||||
.Append(" if (base.").Append(vp.Item1.Name).Append(" == null && __lazy__").Append(vp.Item1.Name).AppendLine(" == false) {")
|
||||
.Append(" base.").Append(vp.Item1.Name).Append(" = __fsql_orm__.Select<").Append(propElementType.IsNested ? $"{propElementType.DeclaringType.Namespace}.{propElementType.DeclaringType.Name}.{propElementType.Name}" : $"{propElementType.Namespace}.{propElementType.Name}").Append(">().Where(a => ").Append(lmbdWhere.ToString()).AppendLine(").ToList();");
|
||||
if (refprop != null) {
|
||||
cscode.Append(" foreach (var loc1 in base.").Append(vp.Item1.Name).AppendLine(")")
|
||||
.Append(" loc1.").Append(refprop.Name).AppendLine(" = this;");
|
||||
cscode.Append(" private bool __lazy__").Append(vp.Item1.Name).AppendLine(" = false;")
|
||||
.Append(" public override ").Append(propTypeName).Append(" ").Append(vp.Item1.Name).AppendLine(" {");
|
||||
if (vp.Item2) { //get 重写
|
||||
cscode.Append(" get {\r\n")
|
||||
.Append(" if (base.").Append(vp.Item1.Name).Append(" == null && __lazy__").Append(vp.Item1.Name).AppendLine(" == false) {")
|
||||
.Append(" base.").Append(vp.Item1.Name).Append(" = __fsql_orm__.Select<").Append(propElementType.IsNested ? $"{propElementType.DeclaringType.Namespace}.{propElementType.DeclaringType.Name}.{propElementType.Name}" : $"{propElementType.Namespace}.{propElementType.Name}").Append(">().Where(a => ").Append(lmbdWhere.ToString()).AppendLine(").ToList();");
|
||||
if (refprop != null) {
|
||||
cscode.Append(" foreach (var loc1 in base.").Append(vp.Item1.Name).AppendLine(")")
|
||||
.Append(" loc1.").Append(refprop.Name).AppendLine(" = this;");
|
||||
}
|
||||
cscode.Append(" __lazy__").Append(vp.Item1.Name).AppendLine(" = true;")
|
||||
.Append(" }\r\n")
|
||||
.Append(" return base.").Append(vp.Item1.Name).AppendLine(";")
|
||||
.Append(" }\r\n");
|
||||
}
|
||||
cscode.Append(" __lazy__").Append(vp.Item1.Name).AppendLine(" = true;")
|
||||
.Append(" }\r\n")
|
||||
.Append(" return base.").Append(vp.Item1.Name).AppendLine(";")
|
||||
.Append(" }\r\n");
|
||||
if (vp.Item3) { //set 重写
|
||||
cscode.Append(" set => base.").Append(vp.Item1.Name).AppendLine(" = value;");
|
||||
}
|
||||
cscode.AppendLine(" }");
|
||||
}
|
||||
if (vp.Item3) { //set 重写
|
||||
cscode.Append(" set => base.").Append(vp.Item1.Name).AppendLine(" = value;");
|
||||
}
|
||||
cscode.AppendLine(" }");
|
||||
|
||||
} else { //一对一、多对一
|
||||
var tbref = vp.Item1.PropertyType == trytb.Type ? trytb : GetTableByEntity(vp.Item1.PropertyType, common); //可能是父子关系
|
||||
@@ -221,7 +378,6 @@ namespace FreeSql.Internal {
|
||||
tbref.Primarys.Length == trytb.Primarys.Length &&
|
||||
string.Join(",", tbref.Primarys.Select(a => a.CsType.FullName)) == string.Join(",", trytb.Primarys.Select(a => a.CsType.FullName));
|
||||
var lmbdWhere = new StringBuilder();
|
||||
var vpcols = new ColumnInfo[tbref.Primarys.Length];
|
||||
for (var a = 0; a < tbref.Primarys.Length; a++) {
|
||||
var findtbrefPkCsName = tbref.Primarys[a].CsName.TrimStart('_');
|
||||
if (findtbrefPkCsName.StartsWith(tbref.Type.Name, StringComparison.CurrentCultureIgnoreCase)) findtbrefPkCsName = findtbrefPkCsName.Substring(tbref.Type.Name.Length).TrimStart('_');
|
||||
@@ -281,6 +437,7 @@ namespace FreeSql.Internal {
|
||||
trytb.TypeLazySetOrm = type.GetProperty("__fsql_orm__").GetSetMethod();
|
||||
}
|
||||
}
|
||||
#endregion
|
||||
|
||||
return tbc.TryGetValue(entity, out var trytb2) ? trytb2 : trytb;
|
||||
}
|
||||
@@ -716,7 +873,7 @@ namespace FreeSql.Internal {
|
||||
return Expression.Lambda<Func<object, object>>(exp, parmExp).Compile();
|
||||
});
|
||||
return func(value);
|
||||
|
||||
#region oldcode
|
||||
//var func = _dicGetDataReaderValue.GetOrAdd(type, k1 => new ConcurrentDictionary<Type, Func<object, object>>()).GetOrAdd(value.GetType(), valueType => {
|
||||
// var returnTarget = Expression.Label(typeof(object));
|
||||
// var parmExp = Expression.Parameter(typeof(object), "value");
|
||||
@@ -841,6 +998,7 @@ namespace FreeSql.Internal {
|
||||
// return Expression.Lambda<Func<object, object>>(parmExp, parmExp).Compile();
|
||||
//});
|
||||
//return func(value);
|
||||
#endregion
|
||||
}
|
||||
internal static object GetDataReaderValue22(Type type, object value) {
|
||||
if (value == null || value == DBNull.Value) return null;
|
||||
|
||||
Reference in New Issue
Block a user