64 lines
1.6 KiB
C#
64 lines
1.6 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Text;
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using System.Text.RegularExpressions;
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namespace SqlSugar
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{
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public class SubWhere: ISubOperation
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{
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public bool HasWhere
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{
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get; set;
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}
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public string Name
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{
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get { return "Where"; }
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}
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public Expression Expression
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{
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get; set;
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}
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public int Sort
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{
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get
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{
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return 400;
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}
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}
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public ExpressionContext Context
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{
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get;set;
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}
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public string GetValue(Expression expression)
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{
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var exp = expression as MethodCallExpression;
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var argExp= exp.Arguments[0];
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var result= "WHERE "+SubTools.GetMethodValue(Context, argExp, ResolveExpressType.WhereMultiple);
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var regex = @"^WHERE (\@Const\d+) $";
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if (this.Context is OracleExpressionContext)
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{
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regex = @"^WHERE (\:Const\d+) $";
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}
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if (Regex.IsMatch(result, regex))
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{
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result = "WHERE " + this.Context.Parameters.First(it => it.ParameterName == Regex.Match(result, regex).Groups[1].Value).Value;
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return result;
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}
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var selfParameterName = Context.GetTranslationColumnName((argExp as LambdaExpression).Parameters.First().Name)+UtilConstants.Dot;
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result = result.Replace(selfParameterName,SubTools.GetSubReplace(this.Context));
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return result;
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}
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}
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}
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