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Synchronization code

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This commit is contained in:
sunkaixuan
2023-05-01 08:17:49 +08:00
parent 671c26e4a1
commit a7135ffa7f
4 changed files with 120 additions and 5 deletions
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78
Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Items/SubFirst.cs
View File

@@ -43,8 +43,9 @@ namespace SqlSugar
public string GetValue(Expression expression = null)
{
;
var exp = expression as MethodCallExpression;
if (IsAutoGeneric(exp)) return GetValueByAuto(exp);
if (IsAutoSelect(exp)) return GetValueByAuto(exp);
InitType(exp);
var type = expression.Type;
if (type.FullName.IsCollectionsList()
@@ -98,7 +99,7 @@ namespace SqlSugar
public void SetShortName(MethodCallExpression exp, string result)
{
if (exp.Arguments[0] is LambdaExpression)
if (exp.Arguments.Any()&&exp.Arguments[0] is LambdaExpression)
{
var parameters = (exp.Arguments[0] as LambdaExpression).Parameters;
if (parameters != null && parameters.Count > 0)
@@ -120,5 +121,78 @@ namespace SqlSugar
}
}
private string GetValueByAuto(MethodCallExpression exp)
{
var selectExp = exp.Arguments.FirstOrDefault();
if (selectExp == null)
{
var type = exp.Type;
var parameter = Expression.Parameter(type, "it");
// 构造返回值表达式
var body = Expression.MemberInit(Expression.New(type));
// 将返回值表达式作为lambda表达式的主体
selectExp = Expression.Lambda(body, parameter);
}
var bodyExp = ExpressionTool.GetLambdaExpressionBody(selectExp);
var newMemExp = (bodyExp as MemberInitExpression);
var parameters = (selectExp as LambdaExpression).Parameters;
InitType(exp);
SetShortName(exp, null);
Check.ExceptionEasy(newMemExp == null, $"Subquery ToList(exp,true) expression {exp.ToString()} can only be it=>new class(){{Id = it.id}}", $"子查询ToList(exp,true)表达式{exp.ToString()}只能是it=>new class(){{ id=it.Id}}");
var dic = ExpressionTool.GetMemberBindingItemList(newMemExp.Bindings);
var db = this.Context.SugarContext.Context;
var builder = this.Context.SugarContext.QueryBuilder.Builder;
var columnInfos = db.EntityMaintenance.GetEntityInfo(bodyExp.Type);
var autoColumns = columnInfos.Columns
.Where(it => !dic.ContainsKey(it.PropertyName))
.Where(it => it.IsIgnore == false)
.ToList();
List<string> appendColumns = new List<string>();
List<string> completeColumnColumns = new List<string>();
foreach (var item in autoColumns)
{
foreach (var parameter in parameters)
{
var parameterColumns = db.EntityMaintenance.GetEntityInfo(parameter.Type).Columns;
if (parameterColumns.Any(it => it.PropertyName == item.PropertyName))
{
var completeColumn = parameterColumns.First(it => it.PropertyName == item.PropertyName);
var shortName = builder.GetTranslationColumnName(parameter.Name);
var columnName = builder.GetTranslationColumnName(completeColumn.DbColumnName);
var asName = builder.SqlTranslationLeft + item.PropertyName + builder.SqlTranslationRight;
appendColumns.Add($"{shortName}.{columnName} as {asName}");
completeColumnColumns.Add(completeColumn.PropertyName);
}
}
}
var copyContext = this.Context.GetCopyContextWithMapping();
copyContext.Resolve(bodyExp, ResolveExpressType.SelectMultiple);
var select = copyContext.Result.GetString();
if (dic.Count > 0 && appendColumns.Count == 0)
{
return select + ",@sugarIndex as sugarIndex"; ;
}
else if (dic.Count > 0 && appendColumns.Count > 0)
{
return select + "," + string.Join(",", appendColumns) + ",@sugarIndex as sugarIndex"; ;
}
else
{
return string.Join(",", appendColumns) + ",@sugarIndex as sugarIndex";
}
}
private static bool IsAutoSelect(MethodCallExpression exp)
{
return exp.Arguments.Count == 2 && exp.Arguments.Last().Type == UtilConstants.BoolType;
}
private static bool IsAutoGeneric(MethodCallExpression exp)
{
return exp.Arguments.Count == 0 && exp.Method.GetGenericArguments().Count() == 1;
}
}
}

21
Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Items/SubToList.cs
View File

@@ -44,6 +44,7 @@ namespace SqlSugar
public string GetValue(Expression expression = null)
{
var exp = expression as MethodCallExpression;
if(IsAutoGeneric(exp)) return GetValueByAuto(exp);
if (IsAutoSelect(exp)) return GetValueByAuto(exp);
InitType(exp);
var type=expression.Type;
@@ -98,7 +99,7 @@ namespace SqlSugar
public void SetShortName(MethodCallExpression exp, string result)
{
if (exp.Arguments[0] is LambdaExpression)
if (exp.Arguments.Any()&&exp.Arguments[0] is LambdaExpression)
{
var parameters = (exp.Arguments[0] as LambdaExpression).Parameters;
if (parameters != null && parameters.Count > 0)
@@ -123,7 +124,19 @@ namespace SqlSugar
private string GetValueByAuto(MethodCallExpression exp)
{
var selectExp = exp.Arguments[0];
var selectExp = exp.Arguments.FirstOrDefault();
if (selectExp==null)
{
var type = exp.Type.GenericTypeArguments[0];
var parameter = Expression.Parameter(type, "it");
// 构造返回值表达式
var body = Expression.MemberInit(Expression.New(type));
// 将返回值表达式作为lambda表达式的主体
selectExp = Expression.Lambda(body, parameter);
}
var bodyExp=ExpressionTool.GetLambdaExpressionBody(selectExp);
var newMemExp = (bodyExp as MemberInitExpression);
var parameters = (selectExp as LambdaExpression).Parameters;
@@ -177,5 +190,9 @@ namespace SqlSugar
{
return exp.Arguments.Count == 2 && exp.Arguments.Last().Type == UtilConstants.BoolType;
}
private static bool IsAutoGeneric(MethodCallExpression exp)
{
return exp.Arguments.Count == 0&&exp.Method.GetGenericArguments().Count()==1;
}
}
}

12
Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Subquerable.cs
View File

@@ -179,6 +179,10 @@ namespace SqlSugar
{
return null;
}
public List<TResult> ToList<TResult>()
{
return null;
}
public List<TResult> ToList<TResult>(Func<T, TResult> selector,bool isAutoDto)where TResult : class, new()
{
return null;
@@ -191,5 +195,13 @@ namespace SqlSugar
{
return default(TResult);
}
public TResult First<TResult>(Func<T, TResult> selector, bool isAutoDto) where TResult : class, new()
{
return default(TResult);
}
public TResult First<TResult>() where TResult : class, new()
{
return default(TResult);
}
}
}

12
Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/SubqueryableN.cs
View File

@@ -284,6 +284,10 @@ namespace SqlSugar
{
return null;
}
public TResult First<TResult>(Func<T1, T2, T3,T4, TResult> selector, bool isAutoDto) where TResult : class, new()
{
return default(TResult);
}
public TResult Max<TResult>(Func<T1, T2, T3,T4, TResult> expression)
{
return default(TResult);
@@ -372,6 +376,10 @@ namespace SqlSugar
{
return null;
}
public TResult First<TResult>(Func<T1,T2,T3, TResult> selector, bool isAutoDto) where TResult : class, new()
{
return default(TResult);
}
public TResult Max<TResult>(Func<T1, T2,T3, TResult> expression)
{
return default(TResult);
@@ -456,6 +464,10 @@ namespace SqlSugar
{
return null;
}
public TResult First<TResult>(Func<T1,T2, TResult> selector, bool isAutoDto) where TResult : class, new()
{
return default(TResult);
}
public TResult Max<TResult>(Func<T1,T2, TResult> expression)
{
return default(TResult);