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1 using System;
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2 using System.Collections.Generic;
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3 using System.Linq;
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4 using System.Linq.Expressions;
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5 using System.Reflection;
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6
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7 using BLToolkit.Data.Sql;
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8
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9 namespace BLToolkit.Data.Linq
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10 {
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11 [SerializableAttribute]
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12 [AttributeUsageAttribute(AttributeTargets.Method, AllowMultiple = true, Inherited = false)]
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13 public class TableExpressionAttribute : TableFunctionAttribute
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14 {
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15 public TableExpressionAttribute(string expression)
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16 : base(expression)
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17 {
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18 }
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19
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20 public TableExpressionAttribute(string expression, params int[] argIndices)
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21 : base(expression, argIndices)
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22 {
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23 }
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24
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25 public TableExpressionAttribute(string sqlProvider, string expression)
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26 : base(sqlProvider, expression)
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27 {
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28 }
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29
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30 public TableExpressionAttribute(string sqlProvider, string expression, params int[] argIndices)
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31 : base(sqlProvider, expression, argIndices)
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32 {
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33 }
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34
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35 protected new string Name
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36 {
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37 get { return base.Name; }
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38 }
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39
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40 public string Expression
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41 {
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42 get { return base.Name; }
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43 set { base.Name = value; }
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44 }
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45
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46 public override void SetTable(SqlTable table, MemberInfo member, IEnumerable<Expression> arguments, IEnumerable<ISqlExpression> sqlArgs)
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47 {
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48 table.SqlTableType = SqlTableType.Expression;
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49 table.Name = Expression ?? member.Name;
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50 table.TableArguments = ConvertArgs(member, sqlArgs.ToArray());
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51 }
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52 }
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53 }
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