private void ResolveWhereLogic(ExpressionParameter parameter, ExpressionParameter baseParameter, MemberExpression expression, bool?isLeft, bool isSetTempData, bool isSingle)
{
string fieldName = string.Empty;
if (isSetTempData)
{
if (ExpressionTool.IsConstExpression(expression))
{
var value = ExpressionTool.GetMemberValue(expression.Member, expression);
baseParameter.CommonTempData = value;
}
else
{
fieldName = GetName(parameter, expression, null, isSingle);
baseParameter.CommonTempData = fieldName;
}
}
else
{
if (ExpressionTool.IsConstExpression(expression))
{
var value = ExpressionTool.GetMemberValue(expression.Member, expression);
base.AppendValue(parameter, isLeft, value);
}
else
{
fieldName = GetName(parameter, expression, isLeft, isSingle);
AppendMember(parameter, isLeft, fieldName);
}
}
}
public IUpdateable <T> SetColumns(Expression <Func <T, bool> > columns)
{
CheckTranscodeing();
var binaryExp = columns.Body as BinaryExpression;
Check.Exception(!binaryExp.NodeType.IsIn(ExpressionType.Equal), "No support {0}", columns.ToString());
Check.Exception(!(binaryExp.Left is MemberExpression) && !(binaryExp.Left is UnaryExpression), "No support {0}", columns.ToString());
Check.Exception(ExpressionTool.IsConstExpression(binaryExp.Left as MemberExpression), "No support {0}", columns.ToString());
var expResult = UpdateBuilder.GetExpressionValue(columns, ResolveExpressType.WhereSingle).GetResultString().Replace(")", " )").Replace("(", "( ").Trim().TrimStart('(').TrimEnd(')');
string key = SqlBuilder.GetNoTranslationColumnName(expResult);
UpdateBuilder.SetValues.Add(new KeyValuePair <string, string>(SqlBuilder.GetTranslationColumnName(key), expResult));
this.UpdateBuilder.DbColumnInfoList = this.UpdateBuilder.DbColumnInfoList.Where(it => (UpdateParameterIsNull == false && IsPrimaryKey(it)) || 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();
AppendSets();
return(this);
}
private void AppendModel(ExpressionParameter parameter, MethodCallExpressionModel model, Expression item)
{
parameter.CommonTempData = CommonTempDataType.Result;
base.Expression = item;
if (item.Type == UtilConstants.DateType && parameter.CommonTempData.ObjToString() == CommonTempDataType.Result.ToString() && item.ToString() == "DateTime.Now.Date")
{
parameter.CommonTempData = DateTime.Now.Date;
}
else if (IsDateDate(item))
{
parameter.CommonTempData = GetNewExpressionValue(item);
}
else if (IsDateValue(item))
{
parameter.CommonTempData = GetNewExpressionValue(item);
}
else if (model.Name == "ToString" && item is ConstantExpression && (item as ConstantExpression).Type.IsEnum())
{
parameter.CommonTempData = item.ToString();
}
else
{
base.Start();
}
var methodCallExpressionArgs = new MethodCallExpressionArgs()
{
IsMember = parameter.ChildExpression is MemberExpression && !ExpressionTool.IsConstExpression(parameter.ChildExpression as MemberExpression),
MemberName = parameter.CommonTempData
};
if (methodCallExpressionArgs.IsMember && parameter.ChildExpression != null && parameter.ChildExpression.ToString() == "DateTime.Now")
{
methodCallExpressionArgs.IsMember = false;
}
var value = methodCallExpressionArgs.MemberName;
if (methodCallExpressionArgs.IsMember)
{
var childExpression = parameter.ChildExpression as MemberExpression;
if (childExpression.Expression != null && childExpression.Expression is ConstantExpression)
{
methodCallExpressionArgs.IsMember = false;
}
}
if (IsDateDate(item) || IsDateValue(item))
{
methodCallExpressionArgs.IsMember = true;
}
if (methodCallExpressionArgs.IsMember == false && (item is MethodCallExpression && item.ToString() == "GetDate()") || (item is UnaryExpression && ((UnaryExpression)item).Operand.ToString() == "GetDate()"))
{
var parameterName = this.Context.SqlParameterKeyWord + ExpressionConst.MethodConst + this.Context.ParameterIndex;
this.Context.ParameterIndex++;
methodCallExpressionArgs.MemberName = value;
methodCallExpressionArgs.MemberValue = null;
}
else if (methodCallExpressionArgs.IsMember == false)
{
var parameterName = this.Context.SqlParameterKeyWord + ExpressionConst.MethodConst + this.Context.ParameterIndex;
this.Context.ParameterIndex++;
methodCallExpressionArgs.MemberName = parameterName;
methodCallExpressionArgs.MemberValue = value;
this.Context.Parameters.Add(new DbLiteParameter(parameterName, value));
}
model.Args.Add(methodCallExpressionArgs);
parameter.ChildExpression = null;
}