106 lines
4.9 KiB
C#
106 lines
4.9 KiB
C#
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.Threading.Tasks;
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namespace SqlSugar
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{
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public class NewArrayExpessionResolve : BaseResolve
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{
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public NewArrayExpessionResolve(ExpressionParameter parameter) : base(parameter)
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{
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var expression = (NewArrayExpression)base.Expression;
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switch (base.Context.ResolveType)
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{
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case ResolveExpressType.WhereSingle:
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case ResolveExpressType.WhereMultiple:
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case ResolveExpressType.SelectSingle:
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case ResolveExpressType.SelectMultiple:
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case ResolveExpressType.FieldSingle:
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case ResolveExpressType.FieldMultiple:
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try
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{
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var value = ExpressionTool.DynamicInvoke(expression);
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var isLeft = parameter.IsLeft;
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var baseParameter = parameter.BaseParameter;
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var isSetTempData = baseParameter.CommonTempData.HasValue() && baseParameter.CommonTempData.Equals(CommonTempDataType.Result);
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if (isSetTempData)
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{
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baseParameter.CommonTempData = value;
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}
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else
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{
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var parentIsBinary = parameter.BaseParameter.CurrentExpression is BinaryExpression;
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var parentIsRoot = parameter.BaseParameter.CurrentExpression is LambdaExpression;
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var isBool = value != null && value.GetType() == UtilConstants.BoolType;
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if (parentIsRoot && isBool)
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{
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this.Context.Result.Append(value.ObjToBool() ? this.Context.DbMehtods.True() : this.Context.DbMehtods.False());
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break;
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}
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if (parentIsBinary && isBool)
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{
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var isLogicOperator =
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parameter.BaseExpression.NodeType == ExpressionType.And ||
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parameter.BaseExpression.NodeType == ExpressionType.AndAlso ||
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parameter.BaseExpression.NodeType == ExpressionType.Or ||
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parameter.BaseExpression.NodeType == ExpressionType.OrElse;
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if (isLogicOperator)
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{
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AppendMember(parameter, isLeft, (value.ObjToBool() ? this.Context.DbMehtods.True() : this.Context.DbMehtods.False()));
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break;
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}
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}
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if (value == null && parentIsBinary)
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{
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parameter.BaseParameter.ValueIsNull = true;
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value = this.Context.DbMehtods.Null();
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}
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AppendValue(parameter, isLeft, value);
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}
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}
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catch (Exception)
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{
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Check.ThrowNotSupportedException("NewArrayExpression");
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}
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break;
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case ResolveExpressType.ArraySingle:
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foreach (var item in expression.Expressions)
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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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case ResolveExpressType.Join:
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base.Context.ResolveType = ResolveExpressType.WhereMultiple;
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int i = 0;
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foreach (var item in expression.Expressions)
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{
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if (item is UnaryExpression)
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{
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base.Expression = item;
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base.Start();
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if (parameter.CommonTempData is JoinType)
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{
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if (i > 0)
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{
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base.Context.Result.Append("," + parameter.CommonTempData.ObjToString().Replace(",",UtilConstants.ReplaceCommaKey) + ",");
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}
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else
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{
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base.Context.Result.Append(parameter.CommonTempData.ObjToString().Replace(",", UtilConstants.ReplaceCommaKey) + ",");
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}
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++i;
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}
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}
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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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}
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}
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