66 lines
2.5 KiB
C#
66 lines
2.5 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.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 class NewExpressionResolve : BaseResolve
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{
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public NewExpressionResolve(ExpressionParameter parameter) : base(parameter)
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{
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var expression = base.Expression as NewExpression;
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Check.Exception(expression.Type == UtilConstants.GuidType, "Not Support new Guid(), Use Guid.New()");
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switch (parameter.Context.ResolveType)
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{
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case ResolveExpressType.WhereSingle:
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Check.ThrowNotSupportedException(expression.ToString());
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break;
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case ResolveExpressType.WhereMultiple:
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Check.ThrowNotSupportedException(expression.ToString());
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break;
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case ResolveExpressType.SelectSingle:
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Check.Exception(expression.Type == UtilConstants.DateType, "ThrowNotSupportedException {0} ",expression.ToString());
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Select(expression, parameter, true);
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break;
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case ResolveExpressType.SelectMultiple:
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Check.Exception(expression.Type == UtilConstants.DateType, "ThrowNotSupportedException {0} ", expression.ToString());
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Select(expression, parameter, false);
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break;
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case ResolveExpressType.FieldSingle:
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Check.ThrowNotSupportedException(expression.ToString());
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break;
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case ResolveExpressType.FieldMultiple:
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case ResolveExpressType.ArrayMultiple:
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case ResolveExpressType.ArraySingle:
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foreach (var item in expression.Arguments)
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{
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base.Expression = item;
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base.Start();
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}
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break;
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default:
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break;
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}
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}
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private void Select(NewExpression expression, ExpressionParameter parameter, bool isSingle)
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{
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if (expression.Arguments != null)
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{
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int i = 0;
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foreach (var item in expression.Arguments)
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{
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string memberName = expression.Members[i].Name;
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++i;
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ResolveNewExpressions(parameter, item, memberName);
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}
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}
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}
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}
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}
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