private void LinkNotEqualVar(string[] condition, Variable _var1, Variable _var2, Variable _var3)
{
Variable var1 = new Variable();
if (condition[0] == "$1")
{
var1 = _var1;
}
else if (condition[0] == "$2")
{
var1 = _var2;
}
else if (condition[0] == "$3")
{
var1 = _var3;
}
else
{
var1 = new Variable().Set(condition[0]);
}
Variable var2 = new Variable();
if (condition[1] == "$1")
{
var2 = _var1;
}
else if (condition[1] == "$2")
{
var2 = _var2;
}
else if (condition[1] == "$3")
{
var2 = _var3;
}
else
{
var2 = new Variable().Set(condition[1]);
}
var newCondition = new NotEqualCondition(var1, var2);
conditions.Add(newCondition as ICondition);
}
private void LinkNotEqualVar(string[] condition, Ray _var1, Ray _var2, Ray _var3)
{
Ray var1 = new Ray();
if (condition[0] == "$1")
{
var1 = _var1;
}
else if (condition[0] == "$2")
{
var1 = _var2;
}
else if (condition[0] == "$3")
{
var1 = _var3;
}
else
{
var1 = new Ray().Set(condition[0]);
}
Ray var2 = new Ray();
if (condition[1] == "$1")
{
var2 = _var1;
}
else if (condition[1] == "$2")
{
var2 = _var2;
}
else if (condition[1] == "$3")
{
var2 = _var3;
}
else
{
var2 = new Ray().Set(condition[1]);
}
var newCondition = new NotEqualCondition(var1, var2);
conditions.Add(newCondition as ICondition);
}
/// <summary>
/// 不等于条件解析；如果条件的值为空，则字段的空字符串和NULL值都排除
/// </summary>
/// <param name="condition">需要解析的条件对象</param>
/// <returns>返回解析后的条件字符串</returns>
protected override string NotEqualParse(NotEqualCondition condition)
{
StringBuilder conditionStr = new StringBuilder(" ");
string queryColName = condition.SearchColumn.CurrentSearcher.TableName + "." + condition.SearchColumn.ColumnName;
if (string.IsNullOrEmpty(condition.SearchColumn.ConditionString))
{
conditionStr.Append(queryColName);
}
else
{
conditionStr.Append(condition.SearchColumn.ConditionString.Replace(SQLPlaceholder.ColName, queryColName));
}
conditionStr.Append(" <> ");
if (condition.ParamValue is SearchColumn)
{
SearchColumn tmpColumn = (SearchColumn)condition.ParamValue;
string valueColName = tmpColumn.CurrentSearcher.TableName + "." + tmpColumn.ColumnName;
conditionStr.Append(valueColName);
}
else
{
if (condition.ParamValue != null && !string.IsNullOrEmpty(condition.ParamValue.ToString()))
{
string paramName = "P" + Guid.NewGuid().ToString().ToLower().Replace("-", "");
conditionStr.Append("@" + paramName);
ParamCollection.Add(new MySqlParameter(paramName, condition.ParamValue));
}
else
{
conditionStr.Insert(0, " (");
conditionStr.Append("'' ");
conditionStr.Append(" OR ");
conditionStr.Append(queryColName);
conditionStr.Append(" IS NOT NULL) ");
}
}
conditionStr.Append(" ");
return(conditionStr.ToString());
}
/// <summary>
/// 不等于条件解析；如果条件的值为空，则字段的空字符串和NULL值都排除
/// </summary>
/// <param name="condition">需要解析的条件对象</param>
/// <returns>返回解析后的条件字符串</returns>
protected override string NotEqualParse(NotEqualCondition condition)
{
StringBuilder conditionStr = new StringBuilder(" ");
string queryColName = condition.SearchColumn.CurrentSearcher.TableName + "." + condition.SearchColumn.ColumnName;
if (string.IsNullOrEmpty(condition.SearchColumn.ConditionString))
{
conditionStr.Append(queryColName);
}
else
{
conditionStr.Append(condition.SearchColumn.ConditionString.Replace(SQLPlaceholder.ColName, queryColName));
}
conditionStr.Append(" <> ");
if (condition.ParamValue is SearchColumn)
{
SearchColumn tmpColumn = (SearchColumn)condition.ParamValue;
string valueColName = tmpColumn.CurrentSearcher.TableName + "." + tmpColumn.ColumnName;
conditionStr.Append(valueColName);
}
else
{
if (condition.ParamValue != null && !string.IsNullOrEmpty(condition.ParamValue.ToString()))
{
string paramName = "P" + Guid.NewGuid().ToString().ToLower().Replace("-", "");
conditionStr.Append(":" + paramName);
ParamCollection.Add(new DBParam(paramName, condition.ParamValue));
}
else
{
conditionStr.Insert(0, " (");
conditionStr.Append("'' ");
conditionStr.Append(" OR ");
conditionStr.Append(queryColName);
conditionStr.Append(" IS NOT NULL) ");
}
}
conditionStr.Append(" ");
return conditionStr.ToString();
}
/// <summary>
/// 不等于条件
/// </summary>
/// <param name="relation">条件关系</param>
/// <param name="column">查询字段对象</param>
/// <param name="paramVal">比较的值</param>
/// <returns>返回不等于条件对象</returns>
public static NotEqualCondition NotEqual(ConditionRelation relation, SearchColumn column, object paramVal)
{
NotEqualCondition cond = new NotEqualCondition(relation, column, paramVal);
return cond;
}
/// <summary>
/// 不等于条件
/// </summary>
/// <param name="column">查询字段对象</param>
/// <param name="paramVal">比较的值</param>
/// <returns>返回不等于条件对象</returns>
public static NotEqualCondition NotEqual(SearchColumn column, object paramVal)
{
NotEqualCondition cond = new NotEqualCondition(column, paramVal);
return cond;
}
/// <summary>
/// 不等于条件
/// </summary>
/// <param name="paramVal">比较的值</param>
/// <returns>返回不等于条件对象</returns>
public static NotEqualCondition NotEqual(object paramVal)
{
NotEqualCondition cond = new NotEqualCondition(paramVal);
return cond;
}
public void Test()
{
var condition = new NotEqualCondition("Name", "@Name");
Assert.Equal("Name<>@Name", condition.GetCondition());
}
/// <summary>
/// 不等于条件
/// </summary>
/// <param name="relation">条件关系</param>
/// <param name="column">查询字段对象</param>
/// <param name="paramVal">比较的值</param>
/// <returns>返回不等于条件对象</returns>
public static NotEqualCondition NotEqual(ConditionRelation relation, SearchColumn column, object paramVal)
{
NotEqualCondition cond = new NotEqualCondition(relation, column, paramVal);
return(cond);
}
/// <summary>
/// 不等于条件
/// </summary>
/// <param name="paramVal">比较的值</param>
/// <returns>返回不等于条件对象</returns>
public static NotEqualCondition NotEqual(object paramVal)
{
NotEqualCondition cond = new NotEqualCondition(paramVal);
return(cond);
}