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Added a nice generic method for things like GetString(GetOrdinal(name)) => Get<string>(name)

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Moved AddParameter to extension
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high 2011-07-05 05:44:58 -04:00
parent b090b1fe96
commit c26867633a
1 changed files with 45 additions and 0 deletions
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TShockAPI/DB/DbExt.cs Normal file
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using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
namespace TShockAPI.DB
{
public static class DbExt
{
public static IDbDataParameter AddParameter(this IDbCommand command, string name, object data)
{
var parm = command.CreateParameter();
parm.ParameterName = name;
parm.Value = data;
command.Parameters.Add(parm);
return parm;
}
static Dictionary<Type, Func<IDataReader, int, object>> ReadFuncs = new Dictionary<Type, Func<IDataReader, int, object>>()
{
{typeof(bool), (s, i) => s.GetBoolean(i)},
{typeof(byte), (s, i) => s.GetByte(i)},
{typeof(Int16), (s, i) => s.GetInt16(i)},
{typeof(Int32), (s, i) => s.GetInt32(i)},
{typeof(Int64), (s, i) => s.GetInt64(i)},
{typeof(string), (s, i) => s.GetString(i)},
{typeof(decimal), (s, i) => s.GetDecimal(i)},
{typeof(decimal), (s, i) => s.GetFloat(i)},
{typeof(double), (s, i) => s.GetDouble(i)},
};
public static T Get<T>(this IDataReader reader, string column)
{
return reader.Get<T>(column);
}
public static T Get<T>(this IDataReader reader, int column)
{
if (ReadFuncs.ContainsKey(typeof(T)))
return (T)ReadFuncs[typeof(T)](reader, column);
throw new NotImplementedException();
}
}
}