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Dynamically evaluated SQL LINQ queries

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30 Nov 2013CPOL8 min read 191.6K   2.6K   116  
Extension methods to evaluate plain text SQL queries against IEnumerable collections.
using System;
using System.Reflection;

namespace SqlLinq.SyntaxTree.Expressions.Literals
{
    [SyntaxNode(RuleConstants.RULE_VALUE_INTEGERLITERAL)]
    public class IntegerLiteral : LiteralNode
    {
        public IntegerLiteral()
            : base(IntPtr.Size == 8 ? typeof(Int64) : typeof(Int32))
        {
        }

        internal override MethodInfo GetCoercionMethod(Type from)
        {
            if(IntPtr.Size == 8)
                return typeof(Convert).GetMethod("ToInt64", new Type[] { from });

            return typeof(Convert).GetMethod("ToInt32", new Type[] { from });
        }
    }
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


Written By
Team Leader Starkey Laboratories
United States United States
The first computer program I ever wrote was in BASIC on a TRS-80 Model I and it looked something like:
10 PRINT "Don is cool"
20 GOTO 10

It only went downhill from there.

Hey look, I've got a blog

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