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Update join

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This commit is contained in:
sunkaixuan
2023-04-24 15:17:20 +08:00
parent 06bad92525
commit b5bac8a4a7
5 changed files with 75 additions and 8 deletions
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26
Src/Asp.NetCore2/SqlSugar/Abstract/SqlBuilderProvider/UpdateBuilder.cs
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@@ -34,7 +34,8 @@ namespace SqlSugar
public bool IsWhereColumns { get; set; }
public bool? IsListUpdate { get; set; }
public List<string> UpdateColumns { get; set; }
public List<JoinQueryInfo> JoinInfos { get; set; } = new List<JoinQueryInfo>();
public List<JoinQueryInfo> JoinInfos { get; set; }
public string ShortName { get; set; }
public virtual string SqlTemplate
{
@@ -260,6 +261,11 @@ namespace SqlSugar
{
return setValue.First().Value;
}
else if (JoinInfos!=null&&JoinInfos.Any())
{
setValue = SetValues.Where(sv => it.IsPrimarykey == false && (it.IsIdentity == false || (IsOffIdentity && it.IsIdentity))).Where(sv => sv.Key == Builder.GetNoTranslationColumnName(it.DbColumnName) || sv.Key == Builder.GetNoTranslationColumnName(it.PropertyName));
return Builder.GetTranslationColumnName(this.ShortName)+"."+ setValue.First().Key+"="+ setValue.First().Value ;
}
}
var result = Builder.GetTranslationColumnName(it.DbColumnName) + "=" + GetDbColumn(it,this.Context.Ado.SqlParameterKeyWord + it.DbColumnName);
return result;
@@ -295,8 +301,26 @@ namespace SqlSugar
whereString += Builder.GetTranslationColumnName(item) + "=" + this.Context.Ado.SqlParameterKeyWord + item;
}
}
if (this.JoinInfos != null && this.JoinInfos.Any())
{
return GetJoinUpdate(columnsString, ref whereString);
}
return string.Format(SqlTemplate, GetTableNameString, columnsString, whereString);
}
protected virtual string GetJoinUpdate(string columnsString, ref string whereString)
{
var tableName = Builder.GetTranslationColumnName(this.TableName);
this.TableName = Builder.GetTranslationColumnName(this.ShortName);
var joinString = $" FROM {tableName} {Builder.GetTranslationColumnName(this.ShortName)} ";
foreach (var item in this.JoinInfos)
{
joinString += $"\r\n JOIN {Builder.GetTranslationColumnName(item.TableName)} {Builder.GetTranslationColumnName(item.ShortName)} ON {item.JoinWhere} ";
}
whereString = joinString + "\r\n" + whereString;
return string.Format(SqlTemplate, GetTableNameString, columnsString, whereString);
}
public virtual void ActionMinDate()
{
if (this.Parameters != null)

1
Src/Asp.NetCore2/SqlSugar/Abstract/UpdateProvider/UpdateableProvider.cs
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@@ -169,6 +169,7 @@ namespace SqlSugar
result.updateableObj = this;
var querybale=this.Context.Queryable<T>().LeftJoin<T2>(joinExpress);
result.updateableObj.UpdateBuilder.JoinInfos = querybale.QueryBuilder.JoinQueryInfos;
result.updateableObj.UpdateBuilder.ShortName = joinExpress.Parameters.FirstOrDefault()?.Name;
return result;
}
public IUpdateable<T> Clone()

28
Src/Asp.NetCore2/SqlSugar/Abstract/UpdateProvider/UpdateableProviderT2.cs
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@@ -1,9 +1,12 @@
using System;
using System.Collections;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq.Expressions;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using System.Linq;
namespace SqlSugar
{
public class Updateable<T, T2> : IUpdateable<T, T2> where T : class,new()
@@ -11,12 +14,12 @@ namespace SqlSugar
public IUpdateable<T> updateableObj { get; set; }
public int ExecuteCommand()
{
throw new NotImplementedException();
return this.updateableObj.ExecuteCommand();
}
public Task<int> ExecuteCommandAsync()
{
throw new NotImplementedException();
return this.updateableObj.ExecuteCommandAsync();
}
public IUpdateable<T, T2, T3> InnerJoin<T3>(Expression<Func<T, T2, T3, bool>> joinExpress)
@@ -26,15 +29,26 @@ namespace SqlSugar
public IUpdateable<T, T2> SetColumns(Expression<Func<T, T2, T>> columns)
{
// ((UpdateableProvider<T>)updateableObj).SetColumnsByExpression(columns);
var exp = ((columns as LambdaExpression).Body as MemberInitExpression).Bindings;
var items=ExpressionTool.GetMemberBindingItemList(exp);
var UpdateBuilder = updateableObj.UpdateBuilder;
var SqlBuilder = UpdateBuilder.Builder;
foreach (var item in items)
{
var dbColumnName=updateableObj.UpdateBuilder.Context.EntityMaintenance.GetDbColumnName<T>(item.Key);
var value = updateableObj.UpdateBuilder.GetExpressionValue(item.Value, ResolveExpressType.WhereMultiple).GetString();
this.updateableObj.UpdateBuilder.SetValues.Add(new KeyValuePair<string, string>(dbColumnName, value));
}
UpdateBuilder.DbColumnInfoList = UpdateBuilder.DbColumnInfoList
.Where(it => it.UpdateServerTime == true || it.UpdateSql.HasValue() || UpdateBuilder.SetValues.Any(v => SqlBuilder.GetNoTranslationColumnName(v.Key).Equals(it.DbColumnName, StringComparison.CurrentCultureIgnoreCase) || SqlBuilder.GetNoTranslationColumnName(v.Key).Equals(it.PropertyName, StringComparison.CurrentCultureIgnoreCase)) || it.IsPrimarykey == true).ToList();
return this;
}
public IUpdateable<T, T2> Where(Expression<Func<T, T2, bool>> whereExpression)
{
throw new NotImplementedException();
var value = updateableObj.UpdateBuilder.GetExpressionValue(whereExpression, ResolveExpressType.WhereMultiple).GetString();
updateableObj.UpdateBuilder.WhereValues.Add(value);
return this;
}
}
}

18
Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Common/ExpressionTool.cs
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@@ -1,5 +1,6 @@
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Linq.Expressions;
using System.Reflection;
@@ -8,6 +9,23 @@ namespace SqlSugar
{
public class ExpressionTool
{
public static Dictionary<string, Expression> GetMemberBindingItemList(ReadOnlyCollection<MemberBinding> exp)
{
Dictionary<string, Expression> dict = new Dictionary<string, Expression>();
// 获取MemberInitExpression中的每一个MemberBinding
foreach (var binding in exp)
{
// 判断是MemberAssignment还是MemberListBinding
if (binding is MemberAssignment assignment)
{
// 获取属性名和属性值
string propertyName = assignment.Member.Name;
dict.Add(assignment.Member.Name, assignment.Expression);
}
}
return dict;
}
public static bool IsVariable(Expression expr)
{
var ps = new ParameterExpressionVisitor();

10
Src/Asp.NetCore2/SqlSugar/Realization/MySql/SqlBuilder/MySqlUpdateBuilder.cs
View File

@@ -26,6 +26,16 @@ namespace SqlSugar
";
}
}
protected override string GetJoinUpdate(string columnsString, ref string whereString)
{
var joinString = $" {Builder.GetTranslationColumnName(this.TableName)} {Builder.GetTranslationColumnName(this.ShortName)} ";
foreach (var item in this.JoinInfos)
{
joinString += $"\r\n JOIN {Builder.GetTranslationColumnName(item.TableName)} {Builder.GetTranslationColumnName(item.ShortName)} ON {item.JoinWhere} ";
}
var tableName = joinString+ "\r\n ";
return string.Format(SqlTemplate, tableName, columnsString, whereString);
}
protected override string TomultipleSqlString(List<IGrouping<int, DbColumnInfo>> groupList)
{
Check.Exception(PrimaryKeys == null || PrimaryKeys.Count == 0, " Update List<T> need Primary key");