public override string GetOrderString(DataEntityMapping mapping, OrderExpression order, out DataParameter[] parameters, Dictionary <string, DataFieldInfo> dataFieldInfoDictionary, Dictionary <string, AggregateFunction> aggregateFunctionDictionary)
{
string orderString = null;
parameters = null;
if (order != null)
{
if (order.IgnoreConsistency)
{
RandomOrderExpression random = order as RandomOrderExpression;
if (random != null)
{
random.SetTableMapping(mapping);
}
}
if (!order.IgnoreConsistency && !mapping.Equals(order.TableMapping))
{
throw new LightDataException(RE.DataMappingIsNotMatchOrderExpression);
}
orderString = string.Format("order by {0}", order.CreateSqlString(this, out parameters, new GetAliasHandler(delegate(object obj) {
return(null);
})));
}
return(orderString);
}
internal override OrderExpression CreateAliasTableNameOrder(string aliasTableName)
{
var expression = new RandomOrderExpression(TableMapping);
expression._aliasTableName = aliasTableName;
return(expression);
}
public virtual string GetOrderString(DataEntityMapping mapping, OrderExpression order, out DataParameter[] parameters, Dictionary <string, DataFieldInfo> dataFieldInfoDictionary, Dictionary <string, AggregateFunction> aggregateFunctionDictionary)
{
string orderString = null;
parameters = null;
if (order != null)
{
if (order.IgnoreConsistency)
{
RandomOrderExpression random = order as RandomOrderExpression;
if (random != null)
{
random.SetTableMapping(mapping);
}
}
if (!order.IgnoreConsistency && !mapping.Equals(order.TableMapping))
{
throw new LightDataException(RE.DataMappingIsNotMatchOrderExpression);
}
orderString = string.Format("order by {0}", order.CreateSqlString(this, out parameters, new GetAliasHandler(delegate(object obj) {
string alias = null;
if (obj is DataFieldInfo)
{
foreach (KeyValuePair <string, DataFieldInfo> kv in dataFieldInfoDictionary)
{
if (Object.ReferenceEquals(obj, kv.Value))
{
alias = kv.Key;
break;
}
}
}
else if (obj is AggregateFunction)
{
foreach (KeyValuePair <string, AggregateFunction> kv in aggregateFunctionDictionary)
{
if (Object.ReferenceEquals(obj, kv.Value))
{
alias = kv.Key;
break;
}
}
}
else
{
throw new LightDataException(RE.UnknowOrderType);
}
return(alias);
})));
}
return(orderString);
}
public virtual string GetOrderString(DataEntityMapping mapping, OrderExpression order)
{
string orderString = null;
DataParameter[] parameters = null;
if (order != null)
{
if (order.IgnoreConsistency)
{
RandomOrderExpression random = order as RandomOrderExpression;
if (random != null)
{
random.SetTableMapping(mapping);
}
}
if (!order.IgnoreConsistency && !mapping.Equals(order.TableMapping))
{
throw new LightDataException(RE.DataMappingIsNotMatchOrderExpression);
}
orderString = string.Format("order by {0}", order.CreateSqlString(this, out parameters));
}
return(orderString);
}
