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Update exp to sql

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This commit is contained in:
sunkaixuna 2021-09-05 01:29:55 +08:00
parent f6eb75f1f3
commit fc7ac54b7c
4 changed files with 124 additions and 4 deletions
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31
Src/Asp.Net/SqlServerTest/UnitTest/UQueryable2.cs
View File

@ -190,7 +190,28 @@ namespace OrmTest
.Select(it => new Order { Name = it.Name.Replace("0", "1") }).MergeTable().Select<Order>().Where(it => it.Name.Equals("2"))
.ToList();
var list14 = Db.Queryable<Order, Order, Order>((o1, o2, o3) =>
new JoinQueryInfos(JoinType.Inner, o1.Id == o2.Id * 2, JoinType.Inner, o1.Id == o3.Id * 4)
)
.Select((o1, o2, o3) => new
{
id = o1.Id,
x = o1,
x2 = o2,
x3 = o3
}).ToList();
var list15 = Db.Queryable<Order, Order, Order>((o1, o2, o3) =>
new JoinQueryInfos(JoinType.Inner, o1.Id == o2.Id * 2, JoinType.Inner, o1.Id == o3.Id * 4)
)
.Select((o1, o2, o3) => new TestModel1
{
id = o1.Id.SelectAll(),
x = o1,
x2 = o2,
x3 = o3
}).ToList();
}
public class UnitEnumTest
@ -236,5 +257,15 @@ namespace OrmTest
public int id { get; set; }
public string Name { get; set; }
}
public class TestModel1
{
public int id { get; set; }
public Order x { get; set; }
public Order x2 { get; set; }
public Order x3 { get; set; }
public string name { get; set; }
}
}
}

2
Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs
View File

@ -474,7 +474,7 @@ namespace SqlSugar
}
public virtual bool IsComplexModel(string sql)
{
return Regex.IsMatch(sql, @"AS \[\w+\.\w+\]");
return Regex.IsMatch(sql, @"AS \[\w+\.\w+\]")|| Regex.IsMatch(sql, @"AS \[\w+\.\w+\.\w+\]");
}
public string GetSqlQuerySql(string result)
{

85
Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve.cs
View File

@ -443,6 +443,9 @@ namespace SqlSugar
}
else if (item.Type.IsClass())
{
var mappingKeys = GetMappingColumns(parameter.CurrentExpression);
var isSameType = mappingKeys.Keys.Count>0;
CallContextThread<Dictionary<string,string>>.SetData("Exp_Select_Mapping_Key", mappingKeys);
this.Expression = item;
this.Start();
var shortName = parameter.CommonTempData;
@ -462,7 +465,11 @@ namespace SqlSugar
asName = GetAsName(item, shortName, property);
}
}
else
else if (isSameType)
{
asName = GetAsNameAndShortName(item, shortName, property);
}
else
{
asName = GetAsName(item, shortName, property);
}
@ -503,6 +510,61 @@ namespace SqlSugar
}
}
private Dictionary<string, string> GetMappingColumns(Expression currentExpression)
{
Dictionary<string, string> result = new Dictionary<string, string>();
if (currentExpression == null)
{
return result;
}
List<Type> types = new List<Type>();
int i = 0;
if (currentExpression is NewExpression)
{
i = (currentExpression as NewExpression).Arguments.Count;
foreach (var item in (currentExpression as NewExpression).Arguments)
{
if (item.Type.IsClass())
{
types.Add(item.Type);
}
}
}
else if (currentExpression is MemberInitExpression)
{
i = (currentExpression as MemberInitExpression).Bindings.Count;
foreach (var item in (currentExpression as MemberInitExpression).Bindings)
{
MemberAssignment memberAssignment = (MemberAssignment)item;
if (memberAssignment.Expression.Type.IsClass())
{
types.Add(memberAssignment.Expression.Type);
}
}
}
if (types.Count == i)
{
return result;
}
var array = currentExpression.ToString().Split(',');
foreach (var item in array)
{
var itemArray = item.Split('=').ToArray();
var last = itemArray.Last().Trim().Split('.').First().TrimEnd(')').TrimEnd('}');
var first = itemArray.First().Trim();
if (first.Contains("{"))
{
first = first.Split('{').Last().Trim();
}
if (first.Contains("("))
{
first = first.Split('(').Last().Trim();
}
result.Add(first,last);
}
return result; ;
}
private string GetAsName(Expression item, object shortName, PropertyInfo property)
{
string asName;
@ -525,7 +587,28 @@ namespace SqlSugar
return asName;
}
private string GetAsNameAndShortName(Expression item, object shortName, PropertyInfo property)
{
string asName;
var propertyName = property.Name;
var dbColumnName = propertyName;
var mappingInfo = this.Context.MappingColumns.FirstOrDefault(it => it.EntityName == item.Type.Name && it.PropertyName.Equals(propertyName, StringComparison.CurrentCultureIgnoreCase));
if (mappingInfo.HasValue())
{
dbColumnName = mappingInfo.DbColumnName;
}
asName = this.Context.GetTranslationText(shortName+"."+item.Type.Name + "." + propertyName);
if (Context.IsJoin)
{
this.Context.Result.Append(Context.GetAsString(asName, dbColumnName, shortName.ObjToString()));
}
else
{
this.Context.Result.Append(Context.GetAsString(asName, dbColumnName));
}
return asName;
}
private static bool IsBoolValue(Expression item)
{
return item.Type == UtilConstants.BoolType &&

10
Src/Asp.Net/SqlSugar/Infrastructure/ContextMethods.cs
View File

@ -271,6 +271,7 @@ namespace SqlSugar
private Dictionary<string, object> DataReaderToList<T>(IDataReader reader, Type tType, List<PropertyInfo> classProperties, List<T> reval)
{
var readerValues = DataReaderToDictionary(reader, tType);
var mappingKeys = CallContextThread<Dictionary<string, string>>.GetData("Exp_Select_Mapping_Key");
var result = new Dictionary<string, object>();
foreach (var item in classProperties)
{
@ -296,7 +297,7 @@ namespace SqlSugar
}
else
{
result.Add(name, DataReaderToDynamicList_Part(readerValues, item, reval));
result.Add(name, DataReaderToDynamicList_Part(readerValues, item, reval, mappingKeys));
}
}
else
@ -370,7 +371,7 @@ namespace SqlSugar
Regex.IsMatch(readerValues[item.Name.ToLower()].ToString(), @"^\[{.+\}]$");
}
private Dictionary<string, object> DataReaderToDynamicList_Part<T>(Dictionary<string, object> readerValues, PropertyInfo item, List<T> reval)
private Dictionary<string, object> DataReaderToDynamicList_Part<T>(Dictionary<string, object> readerValues, PropertyInfo item, List<T> reval, Dictionary<string, string> mappingKeys=null)
{
Dictionary<string, object> result = new Dictionary<string, object>();
var type = item.PropertyType;
@ -407,6 +408,11 @@ namespace SqlSugar
{
var key = typeName + "." + name;
var info = readerValues.Select(it => it.Key).FirstOrDefault(it => it.ToLower() == key.ToLower());
if (mappingKeys.ContainsKey(item.Name))
{
key = mappingKeys[item.Name]+"."+typeName + "." + name;
info = readerValues.Select(it => it.Key).FirstOrDefault(it => it.ToLower() == key.ToLower());
}
if (info != null)
{
var addItem = readerValues[info];