38 lines
1.1 KiB
C#
38 lines
1.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Reflection;
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using System.Text;
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using System.Threading.Tasks;
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namespace SqlSugar
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{
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public partial class SqlServerExpressionContext : ExpressionContext, ILambdaExpressions
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{
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public SqlSugarProvider Context { get; set; }
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public SqlServerExpressionContext()
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{
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base.DbMehtods = new SqlServerMethod();
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}
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}
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public partial class SqlServerMethod : DefaultDbMethod, IDbMethods
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{
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public override string HasValue(MethodCallExpressionModel model)
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{
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if (model.Args[0].Type == UtilConstants.GuidType)
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{
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var parameter = model.Args[0];
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return string.Format("( {0} IS NOT NULL )", parameter.MemberName);
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}
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else
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{
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var parameter = model.Args[0];
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return string.Format("( {0}<>'' AND {0} IS NOT NULL )", parameter.MemberName);
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}
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}
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}
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}
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