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Update exp to sql

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sunkaixuan
2022-11-26 14:28:52 +08:00
parent fb3097d071
commit 1a7d859eb7
5 changed files with 490 additions and 451 deletions
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452
Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve.cs
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@@ -6,113 +6,8 @@ using System.Reflection;
using System.Text;
namespace SqlSugar
{
public class BaseResolve
public partial class BaseResolve
{
#region Property
protected Expression Expression { get; set; }
protected Expression ExactExpression { get; set; }
public ExpressionContext Context { get; set; }
public bool? IsLeft { get; set; }
public int ContentIndex { get { return this.Context.Index; } }
public int Index { get; set; }
public ExpressionParameter BaseParameter { get; set; }
private BaseResolve()
{
}
public BaseResolve(ExpressionParameter parameter)
{
this.Expression = parameter.CurrentExpression;
this.Context = parameter.Context;
this.BaseParameter = parameter;
}
public BaseResolve Start()
{
Context.Index++;
Expression expression = this.Expression;
ExpressionParameter parameter = new ExpressionParameter()
{
Context = this.Context,
CurrentExpression = expression,
IsLeft = this.IsLeft,
BaseExpression = this.ExactExpression,
BaseParameter = this.BaseParameter,
Index = Context.Index
};
if (expression is LambdaExpression)
{
return new LambdaExpressionResolve(parameter);
}
else if (expression is BinaryExpression && expression.NodeType == ExpressionType.Coalesce)
{
return new CoalesceResolveItems(parameter);
}
else if (expression is BinaryExpression)
{
return new BinaryExpressionResolve(parameter);
}
else if (expression is BlockExpression)
{
Check.ThrowNotSupportedException("BlockExpression");
}
else if (expression is ConditionalExpression)
{
return new ConditionalExpressionResolve(parameter);
}
else if (expression is MethodCallExpression)
{
return new MethodCallExpressionResolve(parameter);
}
else if (expression is MemberExpression && ((MemberExpression)expression).Expression == null)
{
return new MemberNoExpressionResolve(parameter);
}
else if (expression is MemberExpression && ((MemberExpression)expression).Expression.NodeType == ExpressionType.Constant)
{
return new MemberConstExpressionResolve(parameter);
}
else if (expression is MemberExpression && ((MemberExpression)expression).Expression.NodeType == ExpressionType.New)
{
return new MemberNewExpressionResolve(parameter);
}
else if (expression is ConstantExpression)
{
return new ConstantExpressionResolve(parameter);
}
else if (expression is MemberExpression)
{
return new MemberExpressionResolve(parameter);
}
else if (expression is UnaryExpression)
{
return new UnaryExpressionResolve(parameter);
}
else if (expression is MemberInitExpression)
{
return new MemberInitExpressionResolve(parameter);
}
else if (expression is NewExpression)
{
return new NewExpressionResolve(parameter);
}
else if (expression is NewArrayExpression)
{
return new NewArrayExpessionResolve(parameter);
}
else if (expression is ParameterExpression)
{
return new TypeParameterExpressionReolve(parameter);
}
else if (expression != null && expression.NodeType.IsIn(ExpressionType.NewArrayBounds))
{
Check.ThrowNotSupportedException("ExpressionType.NewArrayBounds");
}
return null;
}
#endregion
#region Append
protected void AppendMember(ExpressionParameter parameter, bool? isLeft, object appendValue)
@@ -603,350 +498,5 @@ namespace SqlSugar
#endregion
#region Helper
protected void SetNavigateResult()
{
if (this.Context != null)
{
if (this.Context.Result != null)
{
this.Context.Result.IsNavicate = true;
}
}
}
private string GetAsName(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(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 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;
}
if (shortName != null && shortName.ObjToString().Contains(this.Context.SqlTranslationLeft) && this.Context.IsSingle)
{
asName = this.Context.GetTranslationText(item.Type.Name + "." + propertyName);
}
else
{
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 EntityColumnInfo GetColumnInfo(Expression oppoSiteExpression)
{
var oppsite = (oppoSiteExpression as MemberExpression);
if (oppsite == null) return null;
if (this.Context.SugarContext == null) return null;
if (this.Context.SugarContext.Context == null) return null;
if (oppsite.Expression == null) return null;
var columnInfo = this.Context.SugarContext.Context.EntityMaintenance
.GetEntityInfo(oppsite.Expression.Type).Columns.FirstOrDefault(it => it.PropertyName == oppsite.Member.Name);
return columnInfo;
}
protected MethodCallExpressionArgs GetMethodCallArgs(ExpressionParameter parameter, Expression item,string name=null)
{
var newContext = this.Context.GetCopyContext();
newContext.MappingColumns = this.Context.MappingColumns;
newContext.MappingTables = this.Context.MappingTables;
newContext.IgnoreComumnList = this.Context.IgnoreComumnList;
newContext.IsSingle = this.Context.IsSingle;
newContext.SqlFuncServices = this.Context.SqlFuncServices;
newContext.MethodName = name;
newContext.Resolve(item, this.Context.IsJoin ? ResolveExpressType.WhereMultiple : ResolveExpressType.WhereSingle);
this.Context.Index = newContext.Index;
this.Context.ParameterIndex = newContext.ParameterIndex;
if (newContext.Parameters.HasValue())
{
this.Context.Parameters.AddRange(newContext.Parameters);
}
if (newContext.SingleTableNameSubqueryShortName.HasValue())
{
this.Context.SingleTableNameSubqueryShortName = newContext.SingleTableNameSubqueryShortName;
}
var methodCallExpressionArgs = new MethodCallExpressionArgs()
{
IsMember = true,
MemberName = newContext.Result.GetResultString()
};
return methodCallExpressionArgs;
}
private string GetAsNameResolveAnObject(ExpressionParameter parameter, Expression item, string asName, bool isSameType)
{
this.Start();
var shortName = parameter.CommonTempData;
var listProperties = item.Type.GetProperties().Cast<PropertyInfo>().ToList();
foreach (var property in listProperties)
{
var hasIgnore = this.Context.IgnoreComumnList != null && this.Context.IgnoreComumnList.Any(it => it.EntityName.Equals(item.Type.Name, StringComparison.CurrentCultureIgnoreCase) && it.PropertyName.Equals(property.Name, StringComparison.CurrentCultureIgnoreCase));
if (hasIgnore)
{
continue;
}
if (property.PropertyType.IsClass())
{
var comumnInfo = property.GetCustomAttribute<SugarColumn>();
if (comumnInfo != null && comumnInfo.IsJson && isSameType)
{
asName = GetAsNameAndShortName(item, shortName, property);
}
else if (comumnInfo != null && comumnInfo.IsJson)
{
asName = GetAsName(item, shortName, property);
}
else if (comumnInfo != null && this.Context.SugarContext != null && this.Context.SugarContext.Context != null)
{
var entityInfo = this.Context.SugarContext.Context.EntityMaintenance.GetEntityInfo(item.Type);
var entityColumn = entityInfo.Columns.FirstOrDefault(it => it.PropertyName == property.Name);
if (entityColumn != null && entityColumn.IsJson)
{
asName = GetAsName(item, shortName, property);
}
}
}
else if (isSameType)
{
asName = GetAsNameAndShortName(item, shortName, property);
}
else
{
asName = GetAsName(item, shortName, property);
}
}
return asName;
}
public object GetAsNamePackIfElse(object methodValue)
{
methodValue = this.Context.DbMehtods.CaseWhen(new List<KeyValuePair<string, string>>() {
new KeyValuePair<string, string>("IF",methodValue.ObjToString()),
new KeyValuePair<string, string>("Return","1"),
new KeyValuePair<string, string>("End","0")
});
return methodValue;
}
#endregion
#region Validate
private bool IsExtSqlFuncObj(Expression item)
{
return this.Context.SqlFuncServices != null && item is MethodCallExpression && this.Context.SqlFuncServices.Any(it => it.UniqueMethodName == ExpressionTool.GetMethodName(item));
}
private bool IsNullValue(ExpressionParameter parameter, object value)
{
return value == null
&& !parameter.ValueIsNull
&& parameter.BaseParameter != null
&& parameter.BaseParameter.OperatorValue.IsIn("=","<>")
&& this.Context.ResolveType.IsIn(ResolveExpressType.WhereMultiple, ResolveExpressType.WhereSingle);
}
private static bool IsNotCaseExpression(Expression item)
{
if ((item as MethodCallExpression).Method.Name == "IIF")
{
return false;
}
else if ((item as MethodCallExpression).Method.Name == "IsNull")
{
return false;
}
else if ((item as MethodCallExpression).Method.Name == "End" && item.ToString().Contains("IF("))
{
return false;
}
else if ((item as MethodCallExpression).Method.Name == "AggregateMax")
{
return false;
}
else if ((item as MethodCallExpression).Method.Name == "AggregateMin")
{
return false;
}
else if ((item as MethodCallExpression).Method.Name == "AggregateSum")
{
return false;
}
else if ((item as MethodCallExpression).Method.Name == "ToBool")
{
return false;
}
else if ((item as MethodCallExpression).Method.Name == "ToBoolean")
{
return false;
}
else if ((item as MethodCallExpression).Method.Name == "Select" && item.ToString().Contains("Subqueryable()"))
{
return false;
}
else
{
return true;
}
}
private static bool IsBoolValue(Expression item)
{
return item.Type == UtilConstants.BoolType &&
(item is MemberExpression) &&
(item as MemberExpression).Expression != null &&
(item as MemberExpression).Expression.Type == typeof(bool?) &&
(item as MemberExpression).Member.Name == "Value";
}
protected static bool IsConvert(Expression item)
{
return item is UnaryExpression && item.NodeType == ExpressionType.Convert;
}
protected static bool IsNotMember(Expression item)
{
return item is UnaryExpression &&
item.Type == UtilConstants.BoolType &&
(item as UnaryExpression).NodeType == ExpressionType.Not &&
(item as UnaryExpression).Operand is MemberExpression &&
((item as UnaryExpression).Operand as MemberExpression).Expression != null &&
((item as UnaryExpression).Operand as MemberExpression).Expression.NodeType == ExpressionType.Parameter;
}
protected static bool IsNotParameter(Expression item)
{
return item is UnaryExpression &&
item.Type == UtilConstants.BoolType &&
(item as UnaryExpression).NodeType == ExpressionType.Not &&
(item as UnaryExpression).Operand is MemberExpression &&
((item as UnaryExpression).Operand as MemberExpression).Expression != null &&
((item as UnaryExpression).Operand as MemberExpression).Expression.NodeType == ExpressionType.MemberAccess;
}
protected bool IsSubMethod(MethodCallExpression express)
{
return SubTools.SubItemsConst.Any(it => express.Object != null && express.Object.Type.Name.StartsWith("Subqueryable`"));
}
#endregion
#region Dictionary
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 && (types.Count == types.Distinct().Count()))
{
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();
}
if (!result.ContainsKey(first))
{
result.Add(first, last);
}
else
{
//future
}
}
return result; ;
}
protected static Dictionary<string, string> MethodMapping = new Dictionary<string, string>() {
{ "ToString","ToString"},
{ "ToInt32","ToInt32"},
{ "ToInt16","ToInt32"},
{ "ToInt64","ToInt64"},
{ "ToDecimal","ToDecimal"},
{ "ToDateTime","ToDate"},
{ "ToBoolean","ToBool"},
{ "ToDouble","ToDouble"},
{ "Length","Length"},
{ "Replace","Replace"},
{ "Contains","Contains"},
{ "ContainsArray","ContainsArray"},
{ "EndsWith","EndsWith"},
{ "StartsWith","StartsWith"},
{ "HasValue","HasValue"},
{ "Trim","Trim"},
{ "Equals","Equals"},
{ "ToLower","ToLower"},
{ "ToUpper","ToUpper"},
{ "Substring","Substring"},
{ "DateAdd","DateAdd"}
};
protected static Dictionary<string, DateType> MethodTimeMapping = new Dictionary<string, DateType>() {
{ "AddYears",DateType.Year},
{ "AddMonths",DateType.Month},
{ "AddDays",DateType.Day},
{ "AddHours",DateType.Hour},
{ "AddMinutes",DateType.Minute},
{ "AddSeconds",DateType.Second},
{ "AddMilliseconds",DateType.Millisecond}
};
#endregion
}
}

168
Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve_Helper.cs Normal file
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@@ -0,0 +1,168 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Reflection;
using System.Text;
namespace SqlSugar
{
/// <summary>
/// BaseResolve-Helper
/// </summary>
public partial class BaseResolve
{
protected void SetNavigateResult()
{
if (this.Context != null)
{
if (this.Context.Result != null)
{
this.Context.Result.IsNavicate = true;
}
}
}
private string GetAsName(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(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 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;
}
if (shortName != null && shortName.ObjToString().Contains(this.Context.SqlTranslationLeft) && this.Context.IsSingle)
{
asName = this.Context.GetTranslationText(item.Type.Name + "." + propertyName);
}
else
{
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 EntityColumnInfo GetColumnInfo(Expression oppoSiteExpression)
{
var oppsite = (oppoSiteExpression as MemberExpression);
if (oppsite == null) return null;
if (this.Context.SugarContext == null) return null;
if (this.Context.SugarContext.Context == null) return null;
if (oppsite.Expression == null) return null;
var columnInfo = this.Context.SugarContext.Context.EntityMaintenance
.GetEntityInfo(oppsite.Expression.Type).Columns.FirstOrDefault(it => it.PropertyName == oppsite.Member.Name);
return columnInfo;
}
protected MethodCallExpressionArgs GetMethodCallArgs(ExpressionParameter parameter, Expression item, string name = null)
{
var newContext = this.Context.GetCopyContext();
newContext.MappingColumns = this.Context.MappingColumns;
newContext.MappingTables = this.Context.MappingTables;
newContext.IgnoreComumnList = this.Context.IgnoreComumnList;
newContext.IsSingle = this.Context.IsSingle;
newContext.SqlFuncServices = this.Context.SqlFuncServices;
newContext.MethodName = name;
newContext.Resolve(item, this.Context.IsJoin ? ResolveExpressType.WhereMultiple : ResolveExpressType.WhereSingle);
this.Context.Index = newContext.Index;
this.Context.ParameterIndex = newContext.ParameterIndex;
if (newContext.Parameters.HasValue())
{
this.Context.Parameters.AddRange(newContext.Parameters);
}
if (newContext.SingleTableNameSubqueryShortName.HasValue())
{
this.Context.SingleTableNameSubqueryShortName = newContext.SingleTableNameSubqueryShortName;
}
var methodCallExpressionArgs = new MethodCallExpressionArgs()
{
IsMember = true,
MemberName = newContext.Result.GetResultString()
};
return methodCallExpressionArgs;
}
private string GetAsNameResolveAnObject(ExpressionParameter parameter, Expression item, string asName, bool isSameType)
{
this.Start();
var shortName = parameter.CommonTempData;
var listProperties = item.Type.GetProperties().Cast<PropertyInfo>().ToList();
foreach (var property in listProperties)
{
var hasIgnore = this.Context.IgnoreComumnList != null && this.Context.IgnoreComumnList.Any(it => it.EntityName.Equals(item.Type.Name, StringComparison.CurrentCultureIgnoreCase) && it.PropertyName.Equals(property.Name, StringComparison.CurrentCultureIgnoreCase));
if (hasIgnore)
{
continue;
}
if (property.PropertyType.IsClass())
{
var comumnInfo = property.GetCustomAttribute<SugarColumn>();
if (comumnInfo != null && comumnInfo.IsJson && isSameType)
{
asName = GetAsNameAndShortName(item, shortName, property);
}
else if (comumnInfo != null && comumnInfo.IsJson)
{
asName = GetAsName(item, shortName, property);
}
else if (comumnInfo != null && this.Context.SugarContext != null && this.Context.SugarContext.Context != null)
{
var entityInfo = this.Context.SugarContext.Context.EntityMaintenance.GetEntityInfo(item.Type);
var entityColumn = entityInfo.Columns.FirstOrDefault(it => it.PropertyName == property.Name);
if (entityColumn != null && entityColumn.IsJson)
{
asName = GetAsName(item, shortName, property);
}
}
}
else if (isSameType)
{
asName = GetAsNameAndShortName(item, shortName, property);
}
else
{
asName = GetAsName(item, shortName, property);
}
}
return asName;
}
public object GetAsNamePackIfElse(object methodValue)
{
methodValue = this.Context.DbMehtods.CaseWhen(new List<KeyValuePair<string, string>>() {
new KeyValuePair<string, string>("IF",methodValue.ObjToString()),
new KeyValuePair<string, string>("Return","1"),
new KeyValuePair<string, string>("End","0")
});
return methodValue;
}
}
}

213
Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve_Property.cs Normal file
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@@ -0,0 +1,213 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Reflection;
using System.Text;
namespace SqlSugar
{
public partial class BaseResolve
{
#region Property
protected Expression Expression { get; set; }
protected Expression ExactExpression { get; set; }
public ExpressionContext Context { get; set; }
public bool? IsLeft { get; set; }
public int ContentIndex { get { return this.Context.Index; } }
public int Index { get; set; }
public ExpressionParameter BaseParameter { get; set; }
private BaseResolve()
{
}
public BaseResolve(ExpressionParameter parameter)
{
this.Expression = parameter.CurrentExpression;
this.Context = parameter.Context;
this.BaseParameter = parameter;
}
public BaseResolve Start()
{
Context.Index++;
Expression expression = this.Expression;
ExpressionParameter parameter = new ExpressionParameter()
{
Context = this.Context,
CurrentExpression = expression,
IsLeft = this.IsLeft,
BaseExpression = this.ExactExpression,
BaseParameter = this.BaseParameter,
Index = Context.Index
};
if (expression is LambdaExpression)
{
return new LambdaExpressionResolve(parameter);
}
else if (expression is BinaryExpression && expression.NodeType == ExpressionType.Coalesce)
{
return new CoalesceResolveItems(parameter);
}
else if (expression is BinaryExpression)
{
return new BinaryExpressionResolve(parameter);
}
else if (expression is BlockExpression)
{
Check.ThrowNotSupportedException("BlockExpression");
}
else if (expression is ConditionalExpression)
{
return new ConditionalExpressionResolve(parameter);
}
else if (expression is MethodCallExpression)
{
return new MethodCallExpressionResolve(parameter);
}
else if (expression is MemberExpression && ((MemberExpression)expression).Expression == null)
{
return new MemberNoExpressionResolve(parameter);
}
else if (expression is MemberExpression && ((MemberExpression)expression).Expression.NodeType == ExpressionType.Constant)
{
return new MemberConstExpressionResolve(parameter);
}
else if (expression is MemberExpression && ((MemberExpression)expression).Expression.NodeType == ExpressionType.New)
{
return new MemberNewExpressionResolve(parameter);
}
else if (expression is ConstantExpression)
{
return new ConstantExpressionResolve(parameter);
}
else if (expression is MemberExpression)
{
return new MemberExpressionResolve(parameter);
}
else if (expression is UnaryExpression)
{
return new UnaryExpressionResolve(parameter);
}
else if (expression is MemberInitExpression)
{
return new MemberInitExpressionResolve(parameter);
}
else if (expression is NewExpression)
{
return new NewExpressionResolve(parameter);
}
else if (expression is NewArrayExpression)
{
return new NewArrayExpessionResolve(parameter);
}
else if (expression is ParameterExpression)
{
return new TypeParameterExpressionReolve(parameter);
}
else if (expression != null && expression.NodeType.IsIn(ExpressionType.NewArrayBounds))
{
Check.ThrowNotSupportedException("ExpressionType.NewArrayBounds");
}
return null;
}
#endregion
#region Dictionary
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 && (types.Count == types.Distinct().Count()))
{
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();
}
if (!result.ContainsKey(first))
{
result.Add(first, last);
}
else
{
//future
}
}
return result; ;
}
protected static Dictionary<string, string> MethodMapping = new Dictionary<string, string>() {
{ "ToString","ToString"},
{ "ToInt32","ToInt32"},
{ "ToInt16","ToInt32"},
{ "ToInt64","ToInt64"},
{ "ToDecimal","ToDecimal"},
{ "ToDateTime","ToDate"},
{ "ToBoolean","ToBool"},
{ "ToDouble","ToDouble"},
{ "Length","Length"},
{ "Replace","Replace"},
{ "Contains","Contains"},
{ "ContainsArray","ContainsArray"},
{ "EndsWith","EndsWith"},
{ "StartsWith","StartsWith"},
{ "HasValue","HasValue"},
{ "Trim","Trim"},
{ "Equals","Equals"},
{ "ToLower","ToLower"},
{ "ToUpper","ToUpper"},
{ "Substring","Substring"},
{ "DateAdd","DateAdd"}
};
protected static Dictionary<string, DateType> MethodTimeMapping = new Dictionary<string, DateType>() {
{ "AddYears",DateType.Year},
{ "AddMonths",DateType.Month},
{ "AddDays",DateType.Day},
{ "AddHours",DateType.Hour},
{ "AddMinutes",DateType.Minute},
{ "AddSeconds",DateType.Second},
{ "AddMilliseconds",DateType.Millisecond}
};
#endregion
}
}

105
Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve_Validate.cs Normal file
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@@ -0,0 +1,105 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Linq.Expressions;
using System.Reflection;
using System.Text;
namespace SqlSugar
{
/// <summary>
/// BaseResolve-Validate
/// </summary>
public partial class BaseResolve
{
private bool IsExtSqlFuncObj(Expression item)
{
return this.Context.SqlFuncServices != null && item is MethodCallExpression && this.Context.SqlFuncServices.Any(it => it.UniqueMethodName == ExpressionTool.GetMethodName(item));
}
private bool IsNullValue(ExpressionParameter parameter, object value)
{
return value == null
&& !parameter.ValueIsNull
&& parameter.BaseParameter != null
&& parameter.BaseParameter.OperatorValue.IsIn("=", "<>")
&& this.Context.ResolveType.IsIn(ResolveExpressType.WhereMultiple, ResolveExpressType.WhereSingle);
}
private static bool IsNotCaseExpression(Expression item)
{
if ((item as MethodCallExpression).Method.Name == "IIF")
{
return false;
}
else if ((item as MethodCallExpression).Method.Name == "IsNull")
{
return false;
}
else if ((item as MethodCallExpression).Method.Name == "End" && item.ToString().Contains("IF("))
{
return false;
}
else if ((item as MethodCallExpression).Method.Name == "AggregateMax")
{
return false;
}
else if ((item as MethodCallExpression).Method.Name == "AggregateMin")
{
return false;
}
else if ((item as MethodCallExpression).Method.Name == "AggregateSum")
{
return false;
}
else if ((item as MethodCallExpression).Method.Name == "ToBool")
{
return false;
}
else if ((item as MethodCallExpression).Method.Name == "ToBoolean")
{
return false;
}
else if ((item as MethodCallExpression).Method.Name == "Select" && item.ToString().Contains("Subqueryable()"))
{
return false;
}
else
{
return true;
}
}
private static bool IsBoolValue(Expression item)
{
return item.Type == UtilConstants.BoolType &&
(item is MemberExpression) &&
(item as MemberExpression).Expression != null &&
(item as MemberExpression).Expression.Type == typeof(bool?) &&
(item as MemberExpression).Member.Name == "Value";
}
protected static bool IsConvert(Expression item)
{
return item is UnaryExpression && item.NodeType == ExpressionType.Convert;
}
protected static bool IsNotMember(Expression item)
{
return item is UnaryExpression &&
item.Type == UtilConstants.BoolType &&
(item as UnaryExpression).NodeType == ExpressionType.Not &&
(item as UnaryExpression).Operand is MemberExpression &&
((item as UnaryExpression).Operand as MemberExpression).Expression != null &&
((item as UnaryExpression).Operand as MemberExpression).Expression.NodeType == ExpressionType.Parameter;
}
protected static bool IsNotParameter(Expression item)
{
return item is UnaryExpression &&
item.Type == UtilConstants.BoolType &&
(item as UnaryExpression).NodeType == ExpressionType.Not &&
(item as UnaryExpression).Operand is MemberExpression &&
((item as UnaryExpression).Operand as MemberExpression).Expression != null &&
((item as UnaryExpression).Operand as MemberExpression).Expression.NodeType == ExpressionType.MemberAccess;
}
protected bool IsSubMethod(MethodCallExpression express)
{
return SubTools.SubItemsConst.Any(it => express.Object != null && express.Object.Type.Name.StartsWith("Subqueryable`"));
}
}
}

3
Src/Asp.Net/SqlSugar/SqlSugar.csproj
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@@ -134,6 +134,9 @@
<Compile Include="Entities\DeleteNavOptions.cs" />
<Compile Include="Entities\JoinInfoParameter.cs" />
<Compile Include="ExpressionsToSql\Common\NewExpressionInfo.cs" />
<Compile Include="ExpressionsToSql\ResolveItems\BaseResolve_Helper.cs" />
<Compile Include="ExpressionsToSql\ResolveItems\BaseResolve_Validate.cs" />
<Compile Include="ExpressionsToSql\ResolveItems\BaseResolve_Property.cs" />
<Compile Include="ExpressionsToSql\ResolveItems\MethodCallExpressionResolve_Helper.cs" />
<Compile Include="ExpressionsToSql\ResolveItems\MethodCallExpressionResolve_BaseDateFomat.cs" />
<Compile Include="ExpressionsToSql\Subquery\Items\SubDistinctCount.cs" />