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Update Join query

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This commit is contained in:
sunkaixuan 2022-12-07 01:36:18 +08:00
parent ab408238cc
commit 8c07a525dc
2 changed files with 42 additions and 2 deletions
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24
Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableHelper.cs
View File

@ -942,9 +942,19 @@ namespace SqlSugar
{
this.QueryBuilder.AsTables[tableinfo.Key] = " (SELECT * FROM " + this.QueryBuilder.AsTables.First().Value + $" {SqlWith.NoLock} )";
}
else if (this.QueryBuilder.IsSqlQuery && this.QueryBuilder.AsTables.First().Value.ObjToString().StartsWith("("))
{
var tableName = this.QueryBuilder.AsTables.First().Value;
this.QueryBuilder.AsTables[tableinfo.Key] = " (SELECT * FROM " + tableName + ")" + this.QueryBuilder.TableShortName;
}
else
{
this.QueryBuilder.AsTables[tableinfo.Key] = " (SELECT * FROM " + this.QueryBuilder.AsTables.First().Value + ")";
var tableName = this.QueryBuilder.AsTables.First().Value;
if (tableName != null && Regex.IsMatch(tableName, @"^\w+$"))
{
tableName = SqlBuilder.GetTranslationTableName(tableName);
}
this.QueryBuilder.AsTables[tableinfo.Key] = " (SELECT * FROM " + tableName + ")";
}
this.QueryBuilder.SelectValue = this.QueryBuilder.TableShortName + ".*";
}
@ -1575,5 +1585,17 @@ namespace SqlSugar
return this.Context.Ado.SqlQuery<Type>(sql,parameters);
}
#endregion
#region Bool
private bool MasterHasWhereFirstJoin()
{
return this.QueryBuilder.JoinIndex == 0 &&
this.QueryBuilder.IsSqlQuery == false &&
!this.QueryBuilder.AsTables.Any() &&
this.QueryBuilder.IsSingle() &&
this.QueryBuilder.WhereInfos.Any();
}
#endregion
}
}

20
Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
View File

@ -126,6 +126,11 @@ namespace SqlSugar
}
public ISugarQueryable<T, T2> FullJoin<T2>(Expression<Func<T, T2, bool>> joinExpression)
{
if (MasterHasWhereFirstJoin())
{
return this.MergeTable().FullJoin<T2>(joinExpression);
}
this.Context.InitMappingInfo<T2>();
var result = InstanceFactory.GetQueryable<T, T2>(this.Context.CurrentConnectionConfig);
result.SqlBuilder = this.SqlBuilder;
@ -135,6 +140,12 @@ namespace SqlSugar
}
public ISugarQueryable<T, T2> RightJoin<T2>(Expression<Func<T, T2, bool>> joinExpression)
{
if (MasterHasWhereFirstJoin())
{
return this.MergeTable().RightJoin<T2>(joinExpression);
}
this.Context.InitMappingInfo<T2>();
var result = InstanceFactory.GetQueryable<T, T2>(this.Context.CurrentConnectionConfig);
result.SqlBuilder = this.SqlBuilder;
@ -143,8 +154,14 @@ namespace SqlSugar
return result;
}
public ISugarQueryable<T, T2> InnerJoin<T2>(Expression<Func<T, T2, bool>> joinExpression)
public ISugarQueryable<T, T2> InnerJoin<T2>(Expression<Func<T, T2, bool>> joinExpression)
{
if (MasterHasWhereFirstJoin())
{
return this.MergeTable().InnerJoin<T2>(joinExpression);
}
this.Context.InitMappingInfo<T2>();
var result = InstanceFactory.GetQueryable<T, T2>(this.Context.CurrentConnectionConfig);
result.SqlBuilder = this.SqlBuilder;
@ -152,6 +169,7 @@ namespace SqlSugar
result.QueryBuilder.JoinQueryInfos.Add(GetJoinInfo(joinExpression, JoinType.Inner));
return result;
}
public void Clear()
{
QueryBuilder.Clear();