/// <summary>
/// Executes the command.
/// </summary>
/// <param name="dataStrategy">The data strategy.</param>
/// <param name="table"></param>
/// <param name="binder">The binder from the <see cref="DynamicTable"/> method invocation.</param>
/// <param name="args">The arguments from the <see cref="DynamicTable"/> method invocation.</param>
/// <returns></returns>
public object Execute(DataStrategy dataStrategy, DynamicTable table, InvokeMemberBinder binder, object[] args)
{
var query = new SimpleQuery(dataStrategy.GetAdapter(), table.GetQualifiedName());
if (args.Length == 1 && args[0] is SimpleExpression)
{
query = query.Where((SimpleExpression)args[0]);
}
return(query.Count());
}
/// <summary>
/// Executes the command.
/// </summary>
/// <param name="dataStrategy">The data strategy.</param>
/// <param name="table"></param>
/// <param name="binder">The binder from the <see cref="DynamicTable"/> method invocation.</param>
/// <param name="args">The arguments from the <see cref="DynamicTable"/> method invocation.</param>
/// <returns></returns>
public object Execute(DataStrategy dataStrategy, DynamicTable table, InvokeMemberBinder binder, object[] args)
{
var query = new SimpleQuery(dataStrategy, table.GetQualifiedName());
if (args.Length == 1 && args[0] is SimpleExpression)
{
query = query.Where((SimpleExpression)args[0]);
}
return query.Count();
}
/// <summary>
/// Executes the command.
/// </summary>
/// <param name="dataStrategy">The data strategy.</param>
/// <param name="table"></param>
/// <param name="binder">The binder from the <see cref="DynamicTable"/> method invocation.</param>
/// <param name="args">The arguments from the <see cref="DynamicTable"/> method invocation.</param>
/// <returns></returns>
public object Execute(DataStrategy dataStrategy, DynamicTable table, InvokeMemberBinder binder, object[] args)
{
var query = new SimpleQuery(dataStrategy, table.GetQualifiedName());
if (args.Length == 1)
{
var expression = args[0] as SimpleExpression;
if (expression != null)
{
return query.Where(expression).Count();
}
else
{
throw new BadExpressionException("GetCount expects an expression or no parameters.");
}
}
else if (args.Length == 0)
{
return query.Count();
}
throw new ArgumentException("GetCount expects an expression or no parameters.");
}
/// <summary>
/// Executes the command.
/// </summary>
/// <param name="dataStrategy">The data strategy.</param>
/// <param name="table"></param>
/// <param name="binder">The binder from the <see cref="DynamicTable"/> method invocation.</param>
/// <param name="args">The arguments from the <see cref="DynamicTable"/> method invocation.</param>
/// <returns></returns>
public object Execute(DataStrategy dataStrategy, DynamicTable table, InvokeMemberBinder binder, object[] args)
{
var query = new SimpleQuery(dataStrategy, table.GetQualifiedName());
if (args.Length == 1)
{
var expression = args[0] as SimpleExpression;
if (expression != null)
{
return(query.Where(expression).Count());
}
else
{
throw new BadExpressionException("GetCount expects an expression or no parameters.");
}
}
else if (args.Length == 0)
{
return(query.Count());
}
throw new ArgumentException("GetCount expects an expression or no parameters.");
}