public IUpdateable <T> Where(Expression <Func <T, bool> > expression)
{
var expResult = UpdateBuilder.GetExpressionValue(expression, ResolveExpressType.WhereSingle);
var whereString = expResult.GetResultString();
if (expression.ToString().Contains("Subqueryable()"))
{
whereString = whereString.Replace(this.SqlBuilder.GetTranslationColumnName(expression.Parameters.First().Name) + ".", this.SqlBuilder.GetTranslationTableName(this.EntityInfo.DbTableName) + ".");
}
UpdateBuilder.WhereValues.Add(whereString);
return(this);
}
private string _ExecuteCommand()
{
PreToSql();
AutoRemoveDataCache();
Check.Exception(UpdateBuilder.WhereValues.IsNullOrEmpty() && GetPrimaryKeys().IsNullOrEmpty(), "You cannot have no primary key and no conditions");
string sql = UpdateBuilder.ToSqlString();
ValidateVersion();
RestoreMapping();
Before(sql);
return(sql);
}
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);
}
public IUpdateable <T> UpdateColumns(Expression <Func <T, object> > columns)
{
var updateColumns = UpdateBuilder.GetExpressionValue(columns, ResolveExpressType.ArraySingle).GetResultArray().Select(it => this.SqlBuilder.GetNoTranslationColumnName(it)).ToList();
List <string> primaryKeys = GetPrimaryKeys();
foreach (var item in this.UpdateBuilder.DbColumnInfoList)
{
var mappingInfo = primaryKeys.SingleOrDefault(i => item.DbColumnName.Equals(i, StringComparison.CurrentCultureIgnoreCase));
if (mappingInfo != null && mappingInfo.Any())
{
item.IsPrimarykey = true;
}
}
this.UpdateBuilder.DbColumnInfoList = this.UpdateBuilder.DbColumnInfoList.Where(it => updateColumns.Any(uc => uc.Equals(it.PropertyName, StringComparison.CurrentCultureIgnoreCase) || uc.Equals(it.DbColumnName, StringComparison.CurrentCultureIgnoreCase)) || it.IsPrimarykey || it.IsIdentity).ToList();
return(this);
}
public IUpdateable <T> WhereColumns(Expression <Func <T, object> > columns)
{
this.IsWhereColumns = true;
UpdateBuilder.IsWhereColumns = true;
Check.Exception(UpdateParameterIsNull == true, "Updateable<T>().Updateable is error,Use Updateable(obj).WhereColumns");
var whereColumns = UpdateBuilder.GetExpressionValue(columns, ResolveExpressType.ArraySingle).GetResultArray().Select(it => this.SqlBuilder.GetNoTranslationColumnName(it)).ToList();
if (this.WhereColumnList == null)
{
this.WhereColumnList = new List <string>();
}
foreach (var item in whereColumns)
{
this.WhereColumnList.Add(item);
}
return(this);
}
public IUpdateable <T> ReSetValue(Expression <Func <T, bool> > setValueExpression)
{
Check.Exception(!IsSingle, "Batch operation not supported ReSetValue");
var expResult = UpdateBuilder.GetExpressionValue(setValueExpression, ResolveExpressType.WhereSingle);
var resultString = Regex.Match(expResult.GetResultString(), @"\((.+)\)").Groups[1].Value;
LambdaExpression lambda = setValueExpression as LambdaExpression;
var expression = lambda.Body;
Check.Exception(!(expression is BinaryExpression), "Expression format error");
Check.Exception((expression as BinaryExpression).NodeType != ExpressionType.Equal, "Expression format error");
var leftExpression = (expression as BinaryExpression).Left;
Check.Exception(!(leftExpression is MemberExpression), "Expression format error");
var leftResultString = UpdateBuilder.GetExpressionValue(leftExpression, ResolveExpressType.FieldSingle).GetString();
UpdateBuilder.SetValues.Add(new KeyValuePair <string, string>(leftResultString, resultString));
return(this);
}
public IUpdateable <T> SetColumns(Expression <Func <T, T> > columns)
{
var expResult = UpdateBuilder.GetExpressionValue(columns, ResolveExpressType.Update);
var resultArray = expResult.GetResultArray();
Check.ArgumentNullException(resultArray, "UpdateColumns Parameter error, UpdateColumns(it=>new T{ it.id=1}) is valid, UpdateColumns(it=>T) is error");
if (resultArray.HasValue())
{
foreach (var item in resultArray)
{
string key = SqlBuilder.GetNoTranslationColumnName(item);
UpdateBuilder.SetValues.Add(new KeyValuePair <string, string>(SqlBuilder.GetTranslationColumnName(key), item));
}
}
this.UpdateBuilder.DbColumnInfoList = 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();
CheckTranscodeing();
AppendSets();
return(this);
}
public static UpdateBuilder GetUpdateBuilder(ConnectionConfig currentConnectionConfig)
{
UpdateBuilder result = CreateInstance <UpdateBuilder>(GetClassName(currentConnectionConfig.DbType.ToString(), "UpdateBuilder"));
return(result);
}
