public override Statement CreateStatement(DatabaseMapper mapper)
{
var delete = new DeleteStatement();
delete.Target = new Table(mapper.GetTableName(this.Target));
foreach (var condition in StatementCreator.VisitStatementConditions(this.Conditions, mapper, false))
{
delete.Conditions.Add(condition);
}
return(delete);
}
//public static Delete<T> From<T>()
//{
// return new Delete<T>();
//}
public static DeleteStatement Where(this DeleteStatement delete, bool all)
{
if (all)
{
var newCondition = new Condition();
newCondition.Field = new ConstantPart(true);
newCondition.Value = new ConstantPart(true);
delete.Conditions.Add(newCondition);
}
return(delete);
}
public static DeleteStatement Where(this DeleteStatement delete, string columnName, SqlOperator op, object value)
{
delete.Conditions.Add(new Condition(columnName, op, value));
return(delete);
}
/// <summary>
/// Adds a condition to the delete statement.
/// </summary>
/// <typeparam name="T">The type corresponding to the table that records should be deleted from.</typeparam>
/// <param name="delete">The delete statement.</param>
/// <param name="condition">The condition.</param>
/// <returns>The delete statement.</returns>
public static DeleteStatement <T> Where <T>(this DeleteStatement <T> delete, Expression <Func <T, bool> > condition)
{
delete.Conditions = condition;
return(delete);
}