46 lines
1.5 KiB
C#
46 lines
1.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Linq;
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using System.Text;
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namespace TShockAPI.DB
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{
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public static class DbExt
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{
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public static IDbDataParameter AddParameter(this IDbCommand command, string name, object data)
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{
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var parm = command.CreateParameter();
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parm.ParameterName = name;
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parm.Value = data;
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command.Parameters.Add(parm);
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return parm;
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}
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static Dictionary<Type, Func<IDataReader, int, object>> ReadFuncs = new Dictionary<Type, Func<IDataReader, int, object>>()
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{
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{typeof(bool), (s, i) => s.GetBoolean(i)},
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{typeof(byte), (s, i) => s.GetByte(i)},
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{typeof(Int16), (s, i) => s.GetInt16(i)},
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{typeof(Int32), (s, i) => s.GetInt32(i)},
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{typeof(Int64), (s, i) => s.GetInt64(i)},
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{typeof(string), (s, i) => s.GetString(i)},
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{typeof(decimal), (s, i) => s.GetDecimal(i)},
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{typeof(float), (s, i) => s.GetFloat(i)},
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{typeof(double), (s, i) => s.GetDouble(i)},
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};
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public static T Get<T>(this IDataReader reader, string column)
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{
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return reader.Get<T>(reader.GetOrdinal(column));
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}
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public static T Get<T>(this IDataReader reader, int column)
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{
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if (ReadFuncs.ContainsKey(typeof(T)))
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return (T)ReadFuncs[typeof(T)](reader, column);
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throw new NotImplementedException();
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}
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}
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}
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