public string SqlString()
{
string sql = string.Empty;
SqlEntity entity = GetSqlEntity();
switch (this._type)
{
case SqlType.Query:
sql = _adapter.Query(entity);
break;
case SqlType.Insert:
sql = _adapter.Insert(_userKey, entity);
break;
case SqlType.Update:
sql = _adapter.Update(entity);
break;
case SqlType.Delete:
sql = _adapter.Delete(entity);
break;
default:
break;
}
return(sql);
}
/// <summary>
/// Delete entity in table "T".
/// </summary>
/// <typeparam name="T">Type of entity</typeparam>
/// <param name="connection">Open SqlConnection</param>
/// <param name="entityToDelete">Entity to delete</param>
/// <returns>true if deleted, false if not found</returns>
public static bool Delete <T>(this IDbConnection connection, T entityToDelete, IDbTransaction transaction = null, int?commandTimeout = null) where T : class
{
// Argument Validation
if (connection == null)
{
throw new ArgumentNullException("connection", "connection cannot be null");
}
if (entityToDelete == null)
{
throw new ArgumentNullException("entityToDelete", "entityToDelete cannot be null");
}
InitializeCacheSweeper();
var type = typeof(T);
// Get Keys
var keyProperties = KeyPropertiesCache(type);
if (keyProperties.Count() == 0)
{
throw new ArgumentException("Entity must have at least one [Key] property");
}
// Get TableName
var name = GetTableName(type);
// Build base sql
var sb = new StringBuilder();
sb.AppendFormat("delete from {0} where ", name);
// Build parameters
for (var i = 0; i < keyProperties.Count(); i++)
{
var property = keyProperties.ElementAt(i);
sb.AppendFormat("{0} = @{1}", property.Name, property.Name);
if (i < keyProperties.Count() - 1)
{
sb.AppendFormat(" and ");
}
}
// Execute
ISqlAdapter adapter = GetFormatter(connection);
return(adapter.Delete(connection, transaction, commandTimeout, name, keyProperties, entityToDelete));
}
