605 lines
31 KiB
C#
605 lines
31 KiB
C#
using SqlSugar;
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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.Text;
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namespace SqlSugar
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{
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public class MethodCallExpressionResolve : BaseResolve
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{
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int contextIndex = 0;
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public MethodCallExpressionResolve(ExpressionParameter parameter) : base(parameter)
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{
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contextIndex = this.Context.Index;
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var express = base.Expression as MethodCallExpression;
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if (express == null) return;
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var isLeft = parameter.IsLeft;
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string methodName = express.Method.Name;
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var isValidNativeMethod = IsValidNativeMethod(express, methodName);
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List<MethodCallExpressionArgs> appendArgs = null;
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if (MethodTimeMapping.ContainsKey(methodName))
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{
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appendArgs = new List<MethodCallExpressionArgs>();
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var dateType = MethodTimeMapping[methodName];
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string paramterName = this.Context.SqlParameterKeyWord + ExpressionConst.Const + this.Context.ParameterIndex;
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appendArgs.Add(new MethodCallExpressionArgs() { IsMember = false, MemberName = paramterName, MemberValue = dateType });
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this.Context.Parameters.Add(new SugarParameter(paramterName, dateType.ToString()));
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this.Context.ParameterIndex++;
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methodName = "DateAdd";
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isValidNativeMethod = true;
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}
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else if (methodName == "get_Item")
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{
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string paramterName = this.Context.SqlParameterKeyWord + ExpressionConst.Const + this.Context.ParameterIndex;
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this.Context.Parameters.Add(new SugarParameter(paramterName, ExpressionTool.DynamicInvoke(express)));
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this.Context.Result.Append(string.Format(" {0} ", paramterName));
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this.Context.ParameterIndex++;
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return;
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}
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else if (methodName == "NewGuid")
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{
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this.Context.Result.Append(this.Context.DbMehtods.GuidNew());
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return;
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}
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else if (IsSubMethod(express, methodName))
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{
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//Check.Exception(!(parameter.BaseExpression is BinaryExpression), "Current expressions are not supported");
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SubResolve subResolve = new SubResolve(express, this.Context, parameter.OppsiteExpression);
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var appendSql = subResolve.GetSql();
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if (this.Context.ResolveType.IsIn(ResolveExpressType.SelectMultiple, ResolveExpressType.SelectSingle)||(parameter.BaseParameter!=null&¶meter.BaseParameter.CommonTempData!=null&¶meter.BaseParameter.CommonTempData.Equals(CommonTempDataType.Result)))
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{
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parameter.BaseParameter.CommonTempData = appendSql;
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}
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else
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{
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base.AppendValue(parameter, isLeft, appendSql);
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}
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return;
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}
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else if (IsIfElse(express, methodName))
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{
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CaseWhenResolve caseResole = new CaseWhenResolve(express, this.Context, parameter.OppsiteExpression);
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var appendSql = caseResole.GetSql();
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var isRoot = contextIndex == 2&¶meter.BaseExpression==null;
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if (isRoot||(parameter.BaseExpression!=null&&ExpressionTool.IsLogicOperator(parameter.BaseExpression))) {
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appendSql= appendSql+"=1 ";
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}
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if (this.Context.ResolveType.IsIn(ResolveExpressType.SelectMultiple, ResolveExpressType.SelectSingle,ResolveExpressType.Update))
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{
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parameter.BaseParameter.CommonTempData = appendSql;
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}
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else
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{
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base.AppendValue(parameter, isLeft, appendSql);
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}
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return;
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}
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if (IsContainsArray(express, methodName, isValidNativeMethod))
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{
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methodName = "ContainsArray";
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isValidNativeMethod = true;
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}
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if (isValidNativeMethod)
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{
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NativeExtensionMethod(parameter, express, isLeft, MethodMapping[methodName], appendArgs);
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}
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else
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{
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SqlFuncMethod(parameter, express, isLeft);
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}
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}
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private bool IsValidNativeMethod(MethodCallExpression express, string methodName)
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{
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return MethodMapping.ContainsKey(methodName) && express.Method.DeclaringType.Namespace == ("System");
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}
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private bool IsExtMethod(string methodName)
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{
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if (this.Context.SqlFuncServices == null) return false;
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return this.Context.SqlFuncServices.Select(it => it.UniqueMethodName).Contains(methodName);
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}
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private bool IsIfElse(MethodCallExpression express, string methodName)
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{
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if (methodName == "End"&& express.Object.Type==typeof(CaseWhen))
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return true;
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else
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return false;
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}
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protected void SqlFuncMethod(ExpressionParameter parameter, MethodCallExpression express, bool? isLeft)
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{
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if (!CheckMethod(express))
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{
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CusMethod(parameter, express, isLeft);
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}
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else
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{
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var method = express.Method;
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string name = method.Name;
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var args = express.Arguments.Cast<Expression>().ToList();
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MethodCallExpressionModel model = new MethodCallExpressionModel();
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model.Args = new List<MethodCallExpressionArgs>();
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switch (this.Context.ResolveType)
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{
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case ResolveExpressType.WhereSingle:
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case ResolveExpressType.WhereMultiple:
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Check.Exception(name == "GetSelfAndAutoFill", "SqlFunc.GetSelfAndAutoFill can only be used in Select.");
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Where(parameter, isLeft, name, args, model);
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break;
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case ResolveExpressType.SelectSingle:
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case ResolveExpressType.SelectMultiple:
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case ResolveExpressType.Update:
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Select(parameter, isLeft, name, args, model);
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break;
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case ResolveExpressType.FieldSingle:
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case ResolveExpressType.FieldMultiple:
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Field(parameter, isLeft, name, args, model);
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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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private void CusMethod(ExpressionParameter parameter, MethodCallExpression express, bool? isLeft)
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{
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try
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{
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var constValue = ExpressionTool.DynamicInvoke(express);
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parameter.BaseParameter.CommonTempData = constValue;
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var parameterName = base.AppendParameter(constValue);
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if (parameter.BaseParameter.CommonTempData != null && parameter.BaseParameter.CommonTempData.Equals(CommonTempDataType.Result))
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{
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this.Context.Result.Append(parameterName);
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}
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else
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{
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base.AppendValue(parameter, isLeft, parameterName);
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}
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}
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catch
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{
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Check.Exception(true, string.Format(ErrorMessage.MethodError, express.Method.Name));
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}
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}
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private void NativeExtensionMethod(ExpressionParameter parameter, MethodCallExpression express, bool? isLeft, string name, List<MethodCallExpressionArgs> appendArgs = null)
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{
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var method = express.Method;
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var args = express.Arguments.Cast<Expression>().ToList();
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MethodCallExpressionModel model = new MethodCallExpressionModel();
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model.Args = new List<MethodCallExpressionArgs>();
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switch (this.Context.ResolveType)
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{
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case ResolveExpressType.WhereSingle:
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case ResolveExpressType.WhereMultiple:
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if (express.Object != null)
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args.Insert(0, express.Object);
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Where(parameter, isLeft, name, args, model, appendArgs);
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break;
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case ResolveExpressType.SelectSingle:
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case ResolveExpressType.SelectMultiple:
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case ResolveExpressType.Update:
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if (express.Object != null)
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args.Insert(0, express.Object);
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Select(parameter, isLeft, name, args, model, appendArgs);
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break;
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case ResolveExpressType.FieldSingle:
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case ResolveExpressType.FieldMultiple:
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default:
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break;
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}
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}
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protected void Field(ExpressionParameter parameter, bool? isLeft, string name, IEnumerable<Expression> args, MethodCallExpressionModel model, List<MethodCallExpressionArgs> appendArgs = null)
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{
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if (this.Context.ResolveType == ResolveExpressType.FieldSingle)
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{
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this.Context.ResolveType = ResolveExpressType.WhereSingle;
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}
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else
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{
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this.Context.ResolveType = ResolveExpressType.WhereMultiple;
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}
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Where(parameter, isLeft, name, args, model);
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}
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protected void Select(ExpressionParameter parameter, bool? isLeft, string name, IEnumerable<Expression> args, MethodCallExpressionModel model, List<MethodCallExpressionArgs> appendArgs = null)
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{
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if (name == "GetSelfAndAutoFill")
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{
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var memberValue = (args.First() as MemberExpression).Expression.ToString();
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model.Args.Add(new MethodCallExpressionArgs() { MemberValue = memberValue, IsMember = true, MemberName = memberValue });
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}
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else
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{
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foreach (var item in args)
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{
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AppendItem(parameter, name, args, model, item);
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}
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if (appendArgs != null)
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{
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model.Args.AddRange(appendArgs);
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}
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}
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if (parameter.BaseParameter.BaseParameter.BaseParameter == null)
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{
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this.Context.Result.Append(GetMethodValue(name, model));
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}
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else
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{
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parameter.BaseParameter.CommonTempData = GetMethodValue(name, model);
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}
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}
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protected void Where(ExpressionParameter parameter, bool? isLeft, string name, IEnumerable<Expression> args, MethodCallExpressionModel model, List<MethodCallExpressionArgs> appendArgs = null)
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{
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foreach (var item in args)
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{
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var expItem = item;
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if (item is UnaryExpression) {
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expItem = (item as UnaryExpression).Operand;
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}
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AppendItem(parameter, name, args, model, expItem);
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}
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if (appendArgs != null)
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{
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model.Args.AddRange(appendArgs);
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}
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var methodValue = GetMethodValue(name, model);
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if (parameter.BaseExpression is BinaryExpression && parameter.OppsiteExpression.Type == UtilConstants.BoolType&&name=="HasValue"&&!(parameter.OppsiteExpression is BinaryExpression)&& !(parameter.OppsiteExpression is MethodCallExpression && parameter.OppsiteExpression.Type == UtilConstants.BoolType)) {
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methodValue = this.Context.DbMehtods.CaseWhen(new List<KeyValuePair<string, string>>() {
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new KeyValuePair<string, string>("IF",methodValue.ObjToString()),
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new KeyValuePair<string, string>("Return","1"),
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new KeyValuePair<string, string>("End","0")
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});
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}
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var isRoot = contextIndex == 2;
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if (isRoot && parameter.BaseExpression == null &&this.Context.ResolveType.IsIn(ResolveExpressType.WhereMultiple,ResolveExpressType.WhereSingle)&& (parameter.CurrentExpression is MethodCallExpression) && ((parameter.CurrentExpression as MethodCallExpression).Method.Name.IsIn("ToBool", "ToBoolean")))
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{
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methodValue = methodValue + "=1 ";
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; }
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if (isRoot && parameter.BaseExpression == null && this.Context.ResolveType.IsIn(ResolveExpressType.WhereMultiple, ResolveExpressType.WhereSingle) && (parameter.CurrentExpression is ConditionalExpression) && ((parameter.CurrentExpression as ConditionalExpression).Type==UtilConstants.BoolType))
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{
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methodValue = methodValue + "=1 ";
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}
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if (isRoot && parameter.BaseExpression == null && this.Context.ResolveType.IsIn(ResolveExpressType.WhereMultiple, ResolveExpressType.WhereSingle) && (parameter.CurrentExpression is MethodCallExpression) && ((parameter.CurrentExpression as MethodCallExpression).Method.Name.IsIn("IIF"))&& (parameter.CurrentExpression as MethodCallExpression).Method.ReturnType==UtilConstants.BoolType)
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{
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methodValue = methodValue + "=1 ";
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}
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if (parameter.BaseExpression != null&&ExpressionTool.IsLogicOperator(parameter.BaseExpression) && this.Context.ResolveType.IsIn(ResolveExpressType.WhereMultiple, ResolveExpressType.WhereSingle) && (parameter.CurrentExpression is ConditionalExpression) && ((parameter.CurrentExpression as ConditionalExpression).Type == UtilConstants.BoolType))
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{
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methodValue = methodValue + "=1 ";
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}
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if (parameter.BaseExpression != null && ExpressionTool.IsLogicOperator(parameter.BaseExpression) && this.Context.ResolveType.IsIn(ResolveExpressType.WhereMultiple, ResolveExpressType.WhereSingle) && (parameter.CurrentExpression is MethodCallExpression) && ((parameter.CurrentExpression as MethodCallExpression).Method.Name.IsIn("IIF")) && (parameter.CurrentExpression as MethodCallExpression).Method.ReturnType == UtilConstants.BoolType)
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{
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methodValue = methodValue + "=1 ";
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}
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if (parameter.BaseExpression != null&& ExpressionTool.IsLogicOperator(parameter.BaseExpression) && this.Context.ResolveType.IsIn(ResolveExpressType.WhereMultiple, ResolveExpressType.WhereSingle) && (parameter.CurrentExpression is MethodCallExpression) && ((parameter.CurrentExpression as MethodCallExpression).Method.Name.IsIn("ToBool", "ToBoolean")))
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{
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methodValue = methodValue + "=1 ";
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}
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base.AppendValue(parameter, isLeft, methodValue);
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}
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private void AppendItem(ExpressionParameter parameter, string name, IEnumerable<Expression> args, MethodCallExpressionModel model, Expression item)
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{
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var isBinaryExpression = item is BinaryExpression || item is MethodCallExpression;
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var isConst = item is ConstantExpression;
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var isIIF = name == "IIF";
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var isIFFBoolMember = isIIF && (item is MemberExpression) && (item as MemberExpression).Type == UtilConstants.BoolType;
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var isIFFUnary = isIIF && (item is UnaryExpression) && (item as UnaryExpression).Operand.Type == UtilConstants.BoolType;
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var isIFFBoolBinary = isIIF && (item is BinaryExpression) && (item as BinaryExpression).Type == UtilConstants.BoolType;
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var isIFFBoolMethod = isIIF && (item is MethodCallExpression) && (item as MethodCallExpression).Type == UtilConstants.BoolType;
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var isFirst = item == args.First();
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if (isFirst && isIIF && isConst)
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{
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var value = (item as ConstantExpression).Value.ObjToBool() ? this.Context.DbMehtods.True() : this.Context.DbMehtods.False();
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var methodCallExpressionArgs = new MethodCallExpressionArgs()
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{
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IsMember = true,
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MemberName = value,
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MemberValue = value
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};
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model.Args.Add(methodCallExpressionArgs);
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}
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else if (isIFFUnary && !isFirst)
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{
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AppendModelByIIFMember(parameter, model, (item as UnaryExpression).Operand);
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}
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else if (isIFFBoolMember && !isFirst)
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{
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AppendModelByIIFMember(parameter, model, item);
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}
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else if (isIFFBoolBinary && !isFirst)
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{
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AppendModelByIIFBinary(parameter, model, item);
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}
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else if (isIFFBoolMethod && !isFirst)
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{
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AppendModelByIIFMethod(parameter, model, item);
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}
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else if (isBinaryExpression)
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{
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model.Args.Add(GetMethodCallArgs(parameter, item));
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}
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else
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{
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AppendModel(parameter, model, item);
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}
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}
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private void AppendModelByIIFMember(ExpressionParameter parameter, MethodCallExpressionModel model, Expression item)
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{
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parameter.CommonTempData = CommonTempDataType.Result;
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base.Expression = item;
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base.Start();
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var methodCallExpressionArgs = new MethodCallExpressionArgs()
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{
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IsMember = parameter.ChildExpression is MemberExpression,
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MemberName = parameter.CommonTempData
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};
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if (methodCallExpressionArgs.IsMember && parameter.ChildExpression != null && parameter.ChildExpression.ToString() == "DateTime.Now")
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{
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methodCallExpressionArgs.IsMember = false;
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}
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var value = methodCallExpressionArgs.MemberName;
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if (methodCallExpressionArgs.IsMember)
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{
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var childExpression = parameter.ChildExpression as MemberExpression;
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if (childExpression.Expression != null && childExpression.Expression is ConstantExpression)
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{
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methodCallExpressionArgs.IsMember = false;
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}
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}
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if (methodCallExpressionArgs.IsMember == false)
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{
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var parameterName = this.Context.SqlParameterKeyWord + ExpressionConst.MethodConst + this.Context.ParameterIndex;
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this.Context.ParameterIndex++;
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methodCallExpressionArgs.MemberName = parameterName;
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methodCallExpressionArgs.MemberValue = value;
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this.Context.Parameters.Add(new SugarParameter(parameterName, value));
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}
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model.Args.Add(methodCallExpressionArgs);
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parameter.ChildExpression = null;
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}
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private void AppendModelByIIFBinary(ExpressionParameter parameter, MethodCallExpressionModel model, Expression item)
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{
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Check.Exception(true, "The SqlFunc.IIF(arg1,arg2,arg3) , {0} argument do not support ", item.ToString());
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}
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private void AppendModelByIIFMethod(ExpressionParameter parameter, MethodCallExpressionModel model, Expression item)
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{
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var methodExpression = item as MethodCallExpression;
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if (methodExpression.Method.Name.IsIn("ToBool", "ToBoolean", "IIF"))
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{
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model.Args.Add(base.GetMethodCallArgs(parameter, item));
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}
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else
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{
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Check.Exception(true, "The SqlFunc.IIF(arg1,arg2,arg3) , {0} argument do not support ", item.ToString());
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}
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}
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private void AppendModel(ExpressionParameter parameter, MethodCallExpressionModel model, Expression item)
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{
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parameter.CommonTempData = CommonTempDataType.Result;
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base.Expression = item;
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base.Start();
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var methodCallExpressionArgs = new MethodCallExpressionArgs()
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{
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IsMember = parameter.ChildExpression is MemberExpression && !ExpressionTool.IsConstExpression(parameter.ChildExpression as MemberExpression),
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MemberName = parameter.CommonTempData
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};
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if (methodCallExpressionArgs.IsMember && parameter.ChildExpression != null && parameter.ChildExpression.ToString() == "DateTime.Now")
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{
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methodCallExpressionArgs.IsMember = false;
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}
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var value = methodCallExpressionArgs.MemberName;
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if (methodCallExpressionArgs.IsMember)
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{
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var childExpression = parameter.ChildExpression as MemberExpression;
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if (childExpression.Expression != null && childExpression.Expression is ConstantExpression)
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{
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methodCallExpressionArgs.IsMember = false;
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}
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}
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if (methodCallExpressionArgs.IsMember == false)
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{
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var parameterName = this.Context.SqlParameterKeyWord + ExpressionConst.MethodConst + this.Context.ParameterIndex;
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this.Context.ParameterIndex++;
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methodCallExpressionArgs.MemberName = parameterName;
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methodCallExpressionArgs.MemberValue = value;
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this.Context.Parameters.Add(new SugarParameter(parameterName, value));
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}
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model.Args.Add(methodCallExpressionArgs);
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parameter.ChildExpression = null;
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}
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private object GetMethodValue(string name, MethodCallExpressionModel model)
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{
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if (IsExtMethod(name))
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{
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DbType type = DbType.SqlServer;
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if (this.Context is SqlServerExpressionContext)
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type = DbType.SqlServer;
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else if (this.Context is MySqlExpressionContext)
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type = DbType.MySql;
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else if (this.Context is SqliteExpressionContext)
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type = DbType.Sqlite;
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else if(this.Context is OracleExpressionContext)
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type = DbType.Oracle;
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return this.Context.SqlFuncServices.First(it => it.UniqueMethodName == name).MethodValue(model,type,this.Context);
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}
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else
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{
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if (name == "Parse" && TempParseType.IsIn(UtilConstants.GuidType))
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{
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name = "Equals";
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}
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else if(name== "Parse")
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{
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name = "To"+TempParseType.Name;
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}
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switch (name)
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{
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case "IIF":
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return this.Context.DbMehtods.IIF(model);
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case "HasNumber":
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return this.Context.DbMehtods.HasNumber(model);
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case "HasValue":
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return this.Context.DbMehtods.HasValue(model);
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case "IsNullOrEmpty":
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return this.Context.DbMehtods.IsNullOrEmpty(model);
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case "ToLower":
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return this.Context.DbMehtods.ToLower(model);
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case "ToUpper":
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return this.Context.DbMehtods.ToUpper(model);
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case "Trim":
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return this.Context.DbMehtods.Trim(model);
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case "Contains":
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return this.Context.DbMehtods.Contains(model);
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case "ContainsArray":
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var caResult = this.Context.DbMehtods.ContainsArray(model);
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this.Context.Parameters.RemoveAll(it => it.ParameterName == model.Args[0].MemberName.ObjToString());
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return caResult;
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case "Equals":
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|
return this.Context.DbMehtods.Equals(model);
|
|
case "DateIsSame":
|
|
if (model.Args.Count == 2)
|
|
return this.Context.DbMehtods.DateIsSameDay(model);
|
|
else
|
|
{
|
|
var dsResult = this.Context.DbMehtods.DateIsSameByType(model);
|
|
this.Context.Parameters.RemoveAll(it => it.ParameterName == model.Args[2].MemberName.ObjToString());
|
|
return dsResult;
|
|
}
|
|
case "DateAdd":
|
|
if (model.Args.Count == 2)
|
|
return this.Context.DbMehtods.DateAddDay(model);
|
|
else
|
|
{
|
|
var daResult = this.Context.DbMehtods.DateAddByType(model);
|
|
this.Context.Parameters.RemoveAll(it => it.ParameterName == model.Args[2].MemberName.ObjToString());
|
|
return daResult;
|
|
}
|
|
case "DateValue":
|
|
var dvResult = this.Context.DbMehtods.DateValue(model);
|
|
this.Context.Parameters.RemoveAll(it => it.ParameterName == model.Args[1].MemberName.ObjToString());
|
|
return dvResult;
|
|
case "Between":
|
|
return this.Context.DbMehtods.Between(model);
|
|
case "StartsWith":
|
|
return this.Context.DbMehtods.StartsWith(model);
|
|
case "EndsWith":
|
|
return this.Context.DbMehtods.EndsWith(model);
|
|
case "ToInt32":
|
|
return this.Context.DbMehtods.ToInt32(model);
|
|
case "ToInt64":
|
|
return this.Context.DbMehtods.ToInt64(model);
|
|
case "ToDate":
|
|
return this.Context.DbMehtods.ToDate(model);
|
|
case "ToDateTime":
|
|
return this.Context.DbMehtods.ToDate(model);
|
|
case "ToTime":
|
|
return this.Context.DbMehtods.ToTime(model);
|
|
case "ToString":
|
|
Check.Exception(model.Args.Count > 1, "ToString (Format) is not supported, Use ToString().If time formatting can be used it.Date.Year+\"-\"+it.Data.Month+\"-\"+it.Date.Day ");
|
|
return this.Context.DbMehtods.ToString(model);
|
|
case "ToDecimal":
|
|
return this.Context.DbMehtods.ToDecimal(model);
|
|
case "ToGuid":
|
|
return this.Context.DbMehtods.ToGuid(model);
|
|
case "ToDouble":
|
|
return this.Context.DbMehtods.ToDouble(model);
|
|
case "ToBool":
|
|
return this.Context.DbMehtods.ToBool(model);
|
|
case "ToBoolean":
|
|
return this.Context.DbMehtods.ToBool(model);
|
|
case "Substring":
|
|
return this.Context.DbMehtods.Substring(model);
|
|
case "Replace":
|
|
return this.Context.DbMehtods.Replace(model);
|
|
case "Length":
|
|
return this.Context.DbMehtods.Length(model);
|
|
case "AggregateSum":
|
|
return this.Context.DbMehtods.AggregateSum(model);
|
|
case "AggregateAvg":
|
|
return this.Context.DbMehtods.AggregateAvg(model);
|
|
case "AggregateMin":
|
|
return this.Context.DbMehtods.AggregateMin(model);
|
|
case "AggregateMax":
|
|
return this.Context.DbMehtods.AggregateMax(model);
|
|
case "AggregateCount":
|
|
return this.Context.DbMehtods.AggregateCount(model);
|
|
case "MappingColumn":
|
|
var mappingColumnResult = this.Context.DbMehtods.MappingColumn(model);
|
|
var isValid = model.Args[0].IsMember && model.Args[1].IsMember == false;
|
|
Check.Exception(!isValid, "SqlFunc.MappingColumn parameters error, The property name on the left, string value on the right");
|
|
this.Context.Parameters.RemoveAll(it => it.ParameterName == model.Args[1].MemberName.ObjToString());
|
|
return mappingColumnResult;
|
|
case "IsNull":
|
|
return this.Context.DbMehtods.IsNull(model);
|
|
case "MergeString":
|
|
return this.Context.DbMehtods.MergeString(model.Args.Select(it => it.MemberName.ObjToString()).ToArray());
|
|
case "GetSelfAndAutoFill":
|
|
this.Context.Parameters.RemoveAll(it => it.ParameterName == model.Args[0].MemberName.ObjToString());
|
|
return this.Context.DbMehtods.GetSelfAndAutoFill(model.Args[0].MemberValue.ObjToString(), this.Context.IsSingle);
|
|
case "GetDate":
|
|
return this.Context.DbMehtods.GetDate();
|
|
case "GetRandom":
|
|
return this.Context.DbMehtods.GetRandom();
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
|
|
private bool IsContainsArray(MethodCallExpression express, string methodName, bool isValidNativeMethod)
|
|
{
|
|
return !isValidNativeMethod && express.Method.DeclaringType.Namespace.IsIn("System.Linq", "System.Collections.Generic") && methodName == "Contains";
|
|
}
|
|
|
|
private bool IsSubMethod(MethodCallExpression express, string methodName)
|
|
{
|
|
return SubTools.SubItemsConst.Any(it => it.Name == methodName) && express.Object != null && express.Object.Type.Name == "Subqueryable`1";
|
|
}
|
|
private bool CheckMethod(MethodCallExpression expression)
|
|
{
|
|
if (IsExtMethod(expression.Method.Name))
|
|
return true;
|
|
if (IsParseMethod(expression))
|
|
return true;
|
|
if (expression.Method.Name == "IsNullOrEmpty"&&expression.Method.DeclaringType==UtilConstants.StringType)
|
|
{
|
|
return true;
|
|
}
|
|
if (expression.Method.ReflectedType().FullName != ExpressionConst.SqlFuncFullName)
|
|
return false;
|
|
else
|
|
return true;
|
|
}
|
|
private Type TempParseType;
|
|
public bool IsParseMethod(MethodCallExpression expression)
|
|
{
|
|
if (expression.Method.Name == "Parse"&&expression.Method.DeclaringType.IsIn(
|
|
UtilConstants.DecType,
|
|
UtilConstants.DateType,
|
|
UtilConstants.DobType,
|
|
UtilConstants.GuidType,
|
|
UtilConstants.FloatType,
|
|
UtilConstants.ShortType,
|
|
UtilConstants.LongType,
|
|
UtilConstants.IntType,
|
|
UtilConstants.BoolType))
|
|
{
|
|
TempParseType = expression.Method.DeclaringType;
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
}
|