public static TSQLModel.SelectStatement EnsureSelectStatement(object expression)
{
if (expression == null)
{
throw new ArgumentNullException("expression");
}
var result = expression as TSQLModel.SelectStatement;
if (result == null)
{
var selectStatement = expression as SQLModel.SelectStatement;
if (selectStatement != null)
{
result = new TSQLModel.SelectStatement();
if (selectStatement.Modifiers != null)
{
result.Modifiers = new Model.LanguageModifiers();
result.Modifiers.AddRange(selectStatement.Modifiers);
}
result.QueryExpression = selectStatement.QueryExpression;
result.OrderClause = selectStatement.OrderClause;
}
if (result == null)
{
var queryExpression = expression as SQLModel.QueryExpression;
if (queryExpression != null)
{
result = new TSQLModel.SelectStatement();
result.QueryExpression = queryExpression;
}
if (result == null)
{
var selectExpression = expression as SQLModel.SelectExpression;
if (selectExpression != null)
{
result = new TSQLModel.SelectStatement();
result.QueryExpression = new SQLModel.QueryExpression();
result.QueryExpression.SelectExpression = selectExpression;
}
}
}
}
if (result == null)
{
throw new InvalidOperationException(String.Format("Could not promote expression of type {0} to a SelectStatement.", expression.GetType().Name));
}
return(result);
}
public static TSQLModel.SelectStatement EnsureSelectStatement(object expression)
{
if (expression == null)
{
throw new ArgumentNullException("expression");
}
var result = expression as TSQLModel.SelectStatement;
if (result == null)
{
var selectStatement = expression as SQLModel.SelectStatement;
if (selectStatement != null)
{
result = new TSQLModel.SelectStatement();
if (selectStatement.Modifiers != null)
{
result.Modifiers = new Model.LanguageModifiers();
result.Modifiers.AddRange(selectStatement.Modifiers);
}
result.QueryExpression = selectStatement.QueryExpression;
result.OrderClause = selectStatement.OrderClause;
}
if (result == null)
{
var queryExpression = expression as SQLModel.QueryExpression;
if (queryExpression != null)
{
result = new TSQLModel.SelectStatement();
result.QueryExpression = queryExpression;
}
if (result == null)
{
var selectExpression = expression as SQLModel.SelectExpression;
if (selectExpression != null)
{
result = new TSQLModel.SelectStatement();
result.QueryExpression = new SQLModel.QueryExpression();
result.QueryExpression.SelectExpression = selectExpression;
}
}
}
}
if (result == null)
{
throw new InvalidOperationException(String.Format("Could not promote expression of type {0} to a SelectStatement.", expression.GetType().Name));
}
return result;
}
