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1329 lines
82 KiB
C#
1329 lines
82 KiB
C#
using FreeSql.Extensions.EntityUtil;
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using FreeSql.Internal.Model;
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using System;
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using System.Collections;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.Collections.ObjectModel;
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using System.Data;
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using System.Data.Common;
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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.Text.RegularExpressions;
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using System.Threading;
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using System.Threading.Tasks;
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namespace FreeSql.Internal.CommonProvider
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{
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public abstract class Select1Provider<T1> : Select0Provider<ISelect<T1>, T1>, ISelect<T1>
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{
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public Select1Provider(IFreeSql orm, CommonUtils commonUtils, CommonExpression commonExpression, object dywhere) : base(orm, commonUtils, commonExpression, dywhere)
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{
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_whereGlobalFilter = _orm.GlobalFilter.GetFilters();
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}
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protected ISelect<T1> InternalFrom(LambdaExpression lambdaExp)
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{
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if (lambdaExp != null)
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{
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for (var a = 1; a < lambdaExp.Parameters.Count; a++)
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{
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var tb = _commonUtils.GetTableByEntity(lambdaExp.Parameters[a].Type);
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if (tb == null) throw new ArgumentException(CoreStrings.Type_Error_Name(lambdaExp.Parameters[a].Name));
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_tables.Add(new SelectTableInfo { Table = tb, Alias = lambdaExp.Parameters[a].Name, On = null, Type = SelectTableInfoType.From });
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}
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}
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var exp = lambdaExp?.Body;
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if (exp?.NodeType == ExpressionType.Call)
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{
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var expCall = exp as MethodCallExpression;
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var stockCall = new Stack<MethodCallExpression>();
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while (expCall != null)
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{
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stockCall.Push(expCall);
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expCall = expCall.Object as MethodCallExpression;
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}
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while (stockCall.Any())
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{
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expCall = stockCall.Pop();
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switch (expCall.Method.Name)
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{
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case "Where": this.InternalWhere(expCall.Arguments[0]); break;
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case "WhereIf":
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if ((bool)Expression.Lambda(expCall.Arguments[0]).Compile().DynamicInvoke())
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this.InternalWhere(expCall.Arguments[1]);
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break;
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case "OrderBy":
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if (expCall.Arguments.Count == 2 && expCall.Arguments[0].Type == typeof(bool))
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{
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var ifcond = _commonExpression.ExpressionSelectColumn_MemberAccess(null, null, SelectTableInfoType.From, expCall.Arguments[0], false, null);
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if (ifcond == "1" || ifcond == "'t'")
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this.InternalOrderBy(expCall.Arguments.LastOrDefault());
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break;
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}
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this.InternalOrderBy(expCall.Arguments.LastOrDefault());
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break;
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case "OrderByDescending":
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if (expCall.Arguments.Count == 2 && expCall.Arguments[0].Type == typeof(bool))
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{
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var ifcond = _commonExpression.ExpressionSelectColumn_MemberAccess(null, null, SelectTableInfoType.From, expCall.Arguments[0], false, null);
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if (ifcond == "1" || ifcond == "'t'" || ifcond == "-1")//MsAccess -1
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this.InternalOrderByDescending(expCall.Arguments.LastOrDefault());
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break;
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}
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this.InternalOrderByDescending(expCall.Arguments.LastOrDefault());
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break;
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case "LeftJoin": this.InternalJoin(expCall.Arguments[0], SelectTableInfoType.LeftJoin); break;
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case "InnerJoin": this.InternalJoin(expCall.Arguments[0], SelectTableInfoType.InnerJoin); break;
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case "RightJoin": this.InternalJoin(expCall.Arguments[0], SelectTableInfoType.RightJoin); break;
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default: throw new NotImplementedException(CoreStrings.Not_Implemented_Name(expCall.Method.Name));
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}
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}
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}
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return this;
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}
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public ISelect<T1> As(string alias)
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{
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var oldAs = _tables.First().Alias;
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var newAs = string.IsNullOrEmpty(alias) ? "a" : alias;
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if (oldAs != newAs)
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{
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_tables.First().Alias = newAs;
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var wh = _where.ToString();
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_where.Replace($" {oldAs}.", $" {newAs}.");
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}
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return this;
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}
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public double Avg<TMember>(Expression<Func<T1, TMember>> column)
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{
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if (column == null) return default(double);
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_tables[0].Parameter = column.Parameters[0];
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return this.InternalAvg(column?.Body);
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}
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public abstract ISelect<T1, T2> From<T2>(Expression<Func<ISelectFromExpression<T1>, T2, ISelectFromExpression<T1>>> exp) where T2 : class;
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public abstract ISelect<T1, T2, T3> From<T2, T3>(Expression<Func<ISelectFromExpression<T1>, T2, T3, ISelectFromExpression<T1>>> exp) where T2 : class where T3 : class;
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public abstract ISelect<T1, T2, T3, T4> From<T2, T3, T4>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, ISelectFromExpression<T1>>> exp) where T2 : class where T3 : class where T4 : class;
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public abstract ISelect<T1, T2, T3, T4, T5> From<T2, T3, T4, T5>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, ISelectFromExpression<T1>>> exp) where T2 : class where T3 : class where T4 : class where T5 : class;
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public abstract ISelect<T1, T2, T3, T4, T5, T6> From<T2, T3, T4, T5, T6>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, ISelectFromExpression<T1>>> exp) where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class;
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public abstract ISelect<T1, T2, T3, T4, T5, T6, T7> From<T2, T3, T4, T5, T6, T7>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, ISelectFromExpression<T1>>> exp) where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class;
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public abstract ISelect<T1, T2, T3, T4, T5, T6, T7, T8> From<T2, T3, T4, T5, T6, T7, T8>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, ISelectFromExpression<T1>>> exp) where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class;
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public abstract ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9> From<T2, T3, T4, T5, T6, T7, T8, T9>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, T9, ISelectFromExpression<T1>>> exp) where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class;
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public abstract ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10> From<T2, T3, T4, T5, T6, T7, T8, T9, T10>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, T9, T10, ISelectFromExpression<T1>>> exp) where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class;
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public abstract ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11> From<T2, T3, T4, T5, T6, T7, T8, T9, T10, T11>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, ISelectFromExpression<T1>>> exp) where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class where T11 : class;
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public abstract ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12> From<T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, ISelectFromExpression<T1>>> exp) where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class where T11 : class where T12 : class;
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public abstract ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13> From<T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, ISelectFromExpression<T1>>> exp) where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class where T11 : class where T12 : class where T13 : class;
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public abstract ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14> From<T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, ISelectFromExpression<T1>>> exp) where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class where T11 : class where T12 : class where T13 : class where T14 : class;
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public abstract ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15> From<T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, ISelectFromExpression<T1>>> exp) where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class where T11 : class where T12 : class where T13 : class where T14 : class where T15 : class;
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public abstract ISelect<T1, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16> From<T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16>(Expression<Func<ISelectFromExpression<T1>, T2, T3, T4, T5, T6, T7, T8, T9, T10, T11, T12, T13, T14, T15, T16, ISelectFromExpression<T1>>> exp) where T2 : class where T3 : class where T4 : class where T5 : class where T6 : class where T7 : class where T8 : class where T9 : class where T10 : class where T11 : class where T12 : class where T13 : class where T14 : class where T15 : class where T16 : class;
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public ISelectGrouping<TKey, T1> GroupBy<TKey>(Expression<Func<T1, TKey>> columns)
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{
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if (columns == null) return this.InternalGroupBy<TKey, T1>(columns);
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_tables[0].Parameter = columns.Parameters[0];
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return this.InternalGroupBy<TKey, T1>(columns);
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}
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public TMember Max<TMember>(Expression<Func<T1, TMember>> column)
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{
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if (column == null) return default(TMember);
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_tables[0].Parameter = column.Parameters[0];
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return this.InternalMax<TMember>(column.Body);
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}
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public TMember Min<TMember>(Expression<Func<T1, TMember>> column)
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{
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if (column == null) return default(TMember);
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_tables[0].Parameter = column.Parameters[0];
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return this.InternalMin<TMember>(column.Body);
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}
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public void OrderByReflection(LambdaExpression column, bool isDescending)
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{
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if (column == null) return;
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_tables[0].Parameter = column.Parameters[0];
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if (isDescending) this.InternalOrderByDescending(column.Body);
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else this.InternalOrderBy(column.Body);
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}
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public ISelect<T1> OrderBy<TMember>(Expression<Func<T1, TMember>> column) => this.OrderBy(true, column);
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public ISelect<T1> OrderBy<TMember>(bool condition, Expression<Func<T1, TMember>> column)
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{
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if (condition == false || column == null) return this;
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_tables[0].Parameter = column.Parameters[0];
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return this.InternalOrderBy(column.Body);
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}
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public ISelect<T1> OrderByDescending<TMember>(Expression<Func<T1, TMember>> column) => this.OrderByDescending(true, column);
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public ISelect<T1> OrderByDescending<TMember>(bool condition, Expression<Func<T1, TMember>> column)
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{
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if (condition == false || column == null) return this;
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_tables[0].Parameter = column.Parameters[0];
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return this.InternalOrderByDescending(column.Body);
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}
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public ISelect<T1> OrderByIf<TMember>(bool condition, Expression<Func<T1, TMember>> column, bool descending = false) =>
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descending ? this.OrderByDescending(condition, column) : this.OrderBy(condition, column);
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public decimal Sum<TMember>(Expression<Func<T1, TMember>> column)
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{
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if (column == null) return default(decimal);
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_tables[0].Parameter = column.Parameters[0];
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return this.InternalSum(column.Body);
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}
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class IncludeManyNewInit
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{
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public TableInfo Table { get; }
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public Dictionary<string, IncludeManyNewInit> Childs { get; } = new Dictionary<string, IncludeManyNewInit>();
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public Expression CurrentExpression { get; }
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public bool IsOutputPrimary { get; set; }
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public IncludeManyNewInit(TableInfo table, Expression currentExpression)
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{
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this.Table = table;
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this.CurrentExpression = currentExpression;
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}
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}
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public List<TReturn> ToList<TReturn>(Expression<Func<T1, TReturn>> select)
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{
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if (select == null) return this.InternalToList<TReturn>(select?.Body);
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_tables[0].Parameter = select.Parameters[0];
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if (_includeToList?.Any() != true) return this.InternalToList<TReturn>(select.Body);
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var findIncludeMany = new List<string>(); //支持指定已经使用 IncudeMany 的导航属性
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var map = new ReadAnonymousTypeInfo();
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var field = new StringBuilder();
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var index = 0;
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_commonExpression.ReadAnonymousField(_tables, field, map, ref index, select.Body, this, null, _whereGlobalFilter, findIncludeMany, true);
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var af = new ReadAnonymousTypeAfInfo(map, field.Length > 0 ? field.Remove(0, 2).ToString() : null);
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if (findIncludeMany.Any() == false) return this.ToListMapReaderPrivate<TReturn>(af, null);
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var parmExp = Expression.Parameter(_tables[0].Table.Type, _tables[0].Alias);
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var incNewInit = new IncludeManyNewInit(_tables[0].Table, parmExp);
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foreach (var inc in _includeInfo)
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{
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var curIncNewInit = incNewInit;
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Expression curParmExp = parmExp;
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for (var a = 0; a < inc.Value.Length - 1; a++)
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{
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curParmExp = Expression.MakeMemberAccess(parmExp, inc.Value[a].Member);
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if (curIncNewInit.Childs.ContainsKey(inc.Value[a].Member.Name) == false)
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curIncNewInit.Childs.Add(inc.Value[a].Member.Name, curIncNewInit = new IncludeManyNewInit(_orm.CodeFirst.GetTableByEntity(inc.Value[a].Type), curParmExp));
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else
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curIncNewInit = curIncNewInit.Childs[inc.Value[a].Member.Name];
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}
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curIncNewInit.IsOutputPrimary = true;
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}
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MemberInitExpression GetIncludeManyNewInitExpression(IncludeManyNewInit imni)
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{
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var bindings = new List<MemberBinding>();
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if (imni.IsOutputPrimary) bindings.AddRange(imni.Table.Primarys.Select(a => Expression.Bind(imni.Table.Properties[a.CsName], Expression.MakeMemberAccess(imni.CurrentExpression, imni.Table.Properties[a.CsName]))));
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if (imni.Childs.Any()) bindings.AddRange(imni.Childs.Select(a => Expression.Bind(imni.Table.Properties[a.Key], GetIncludeManyNewInitExpression(a.Value))));
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return Expression.MemberInit(imni.Table.Type.InternalNewExpression(), bindings);
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}
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var otherNewInit = GetIncludeManyNewInitExpression(incNewInit); //获取 IncludeMany 包含的最简化字段
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if (otherNewInit.Bindings.Any() == false) return this.ToListMapReaderPrivate<TReturn>(af, null);
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var otherMap = new ReadAnonymousTypeInfo();
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field.Clear();
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_commonExpression.ReadAnonymousField(_tables, field, otherMap, ref index, otherNewInit, this, null, _whereGlobalFilter, null, true);
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var otherRet = new List<object>();
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var otherAf = new ReadAnonymousTypeOtherInfo(field.ToString(), otherMap, otherRet);
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af.fillIncludeMany = new List<NativeTuple<string, IList, int>>();
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var ret = this.ToListMapReaderPrivate<TReturn>(af, new[] { otherAf });
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this.SetList(otherRet.Select(a => (T1)a).ToList()); //级联加载
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foreach (var fim in af.fillIncludeMany)
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{
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var splitKeys = fim.Item1.Split('.');
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var otherRetItem = otherRet[fim.Item3];
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var otherRetItemType = _tables[0].Table.Type;
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foreach (var splitKey in splitKeys)
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{
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otherRetItem = _orm.GetEntityValueWithPropertyName(otherRetItemType, otherRetItem, splitKey);
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otherRetItemType = _orm.CodeFirst.GetTableByEntity(otherRetItemType).Properties[splitKey].PropertyType;
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}
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if (otherRetItem == null) continue;
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var otherList = otherRetItem as IEnumerable;
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foreach (var otherListItem in otherList) fim.Item2.Add(otherListItem);
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}
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return ret;
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}
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public List<TDto> ToList<TDto>() => typeof(T1) == typeof(TDto) ? ToList() as List<TDto> : ToList(GetToListDtoSelector<TDto>());
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Expression<Func<T1, TDto>> GetToListDtoSelector<TDto>()
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{
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var expParam = _tables[0].Parameter ?? Expression.Parameter(typeof(T1), "a");
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var expBinds = _tables[0].Table.Columns
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.Where(a => a.Value.CsType != a.Value.Attribute.MapType)
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.Select(a => new { DtoProperty = typeof(TDto).GetProperty(a.Value.CsName), EntityProperty = _tables[0].Table.Properties[a.Value.CsName], Column = a.Value })
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.Where(a => a.DtoProperty != null)
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.Select(a =>
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a.DtoProperty.PropertyType == a.EntityProperty.PropertyType ?
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Expression.Bind(a.DtoProperty, Expression.MakeMemberAccess(expParam, a.EntityProperty)) :
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Expression.Bind(a.DtoProperty, Expression.Convert(Expression.MakeMemberAccess(expParam, a.EntityProperty), a.DtoProperty.PropertyType))
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)
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.ToArray();
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return Expression.Lambda<Func<T1, TDto>>(
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Expression.MemberInit(typeof(TDto).InternalNewExpression(), expBinds),
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expParam);
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}
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public void ToChunk<TReturn>(Expression<Func<T1, TReturn>> select, int size, Action<FetchCallbackArgs<List<TReturn>>> done)
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{
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if (select == null || done == null) return;
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_tables[0].Parameter = select.Parameters[0];
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this.InternalToChunk<TReturn>(select.Body, size, done);
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}
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public DataTable ToDataTable<TReturn>(Expression<Func<T1, TReturn>> select)
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{
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if (select == null) return this.InternalToDataTable(select?.Body);
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_tables[0].Parameter = select.Parameters[0];
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return this.InternalToDataTable(select?.Body);
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}
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public string ToSql<TReturn>(Expression<Func<T1, TReturn>> select, FieldAliasOptions fieldAlias = FieldAliasOptions.AsIndex)
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{
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if (select == null) return this.InternalToSql<TReturn>(select?.Body, fieldAlias);
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_tables[0].Parameter = select.Parameters[0];
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return this.InternalToSql<TReturn>(select?.Body, fieldAlias);
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}
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public TReturn ToAggregate<TReturn>(Expression<Func<ISelectGroupingAggregate<T1>, TReturn>> select)
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{
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if (select == null) return default(TReturn);
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_tables[0].Parameter = select.Parameters[0];
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return this.InternalToAggregate<TReturn>(select?.Body);
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}
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public ISelect<T1> Aggregate<TReturn>(Expression<Func<ISelectGroupingAggregate<T1>, TReturn>> select, out TReturn result)
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{
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result = ToAggregate(select);
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return this;
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}
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public ISelect<T1> Where(Expression<Func<T1, bool>> exp) => WhereIf(true, exp);
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public ISelect<T1> WhereIf(bool condition, Expression<Func<T1, bool>> exp)
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{
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if (condition == false || exp == null) return this;
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_tables[0].Parameter = exp.Parameters[0];
|
||
return this.InternalWhere(exp?.Body);
|
||
}
|
||
|
||
public ISelect<T1> Where<T2>(Expression<Func<T1, T2, bool>> exp) where T2 : class
|
||
{
|
||
if (exp == null) return this;
|
||
_tables[0].Parameter = exp.Parameters[0];
|
||
return this.InternalWhere(exp?.Body);
|
||
}
|
||
|
||
public ISelect<T1> Where<T2>(Expression<Func<T2, bool>> exp) where T2 : class
|
||
{
|
||
if (exp == null) return this;
|
||
//_tables[0].Parameter = exp.Parameters[0];
|
||
return this.InternalWhere(exp?.Body);
|
||
}
|
||
|
||
public ISelect<T1> Where<T2, T3>(Expression<Func<T1, T2, T3, bool>> exp) where T2 : class where T3 : class
|
||
{
|
||
if (exp == null) return this;
|
||
_tables[0].Parameter = exp.Parameters[0];
|
||
return this.InternalWhere(exp?.Body);
|
||
}
|
||
|
||
public ISelect<T1> Where<T2, T3, T4>(Expression<Func<T1, T2, T3, T4, bool>> exp) where T2 : class where T3 : class where T4 : class
|
||
{
|
||
if (exp == null) return this;
|
||
_tables[0].Parameter = exp.Parameters[0];
|
||
return this.InternalWhere(exp?.Body);
|
||
}
|
||
|
||
public ISelect<T1> Where<T2, T3, T4, T5>(Expression<Func<T1, T2, T3, T4, T5, bool>> exp) where T2 : class where T3 : class where T4 : class where T5 : class
|
||
{
|
||
if (exp == null) return this;
|
||
_tables[0].Parameter = exp.Parameters[0];
|
||
return this.InternalWhere(exp?.Body);
|
||
}
|
||
public ISelect<T1> WhereDynamic(object dywhere, bool not = false)
|
||
{
|
||
if (dywhere is DynamicFilterInfo dyfilter)
|
||
{
|
||
if (not == false) return this.WhereDynamicFilter(dyfilter);
|
||
|
||
var oldwhere = _where.ToString();
|
||
_where.Clear();
|
||
|
||
this.WhereDynamicFilter(dyfilter);
|
||
var newwhere = _where.ToString();
|
||
_where.Clear();
|
||
|
||
return this
|
||
.Where(oldwhere)
|
||
.WhereIf(string.IsNullOrWhiteSpace(newwhere) == false, $"not({newwhere})");
|
||
}
|
||
var wheresql = _commonUtils.WhereObject(_tables.First().Table, $"{_tables.First().Alias}.", dywhere);
|
||
return not == false ? this.Where(wheresql) : this.Where($"not({wheresql})");
|
||
}
|
||
|
||
public ISelect<T1> WhereCascade(Expression<Func<T1, bool>> exp)
|
||
{
|
||
if (exp != null) _whereGlobalFilter.Add(new GlobalFilter.Item { Name = "WhereCascade", Only = false, Where = exp });
|
||
return this;
|
||
}
|
||
|
||
public ISelect<T1> WithSql(string sql, object parms = null)
|
||
{
|
||
this.AsTable((type, old) =>
|
||
{
|
||
if (type == _tables[0].Table?.Type && string.IsNullOrEmpty(sql) == false) return $"( {sql} )";
|
||
return old;
|
||
});
|
||
if (parms != null) _params.AddRange(_commonUtils.GetDbParamtersByObject(sql, parms));
|
||
return this;
|
||
}
|
||
|
||
public bool Any(Expression<Func<T1, bool>> exp)
|
||
{
|
||
var oldwhere = _where.ToString();
|
||
var ret = this.Where(exp).Any();
|
||
_where.Clear().Append(oldwhere);
|
||
return ret;
|
||
}
|
||
|
||
public TReturn ToOne<TReturn>(Expression<Func<T1, TReturn>> select) => this.Limit(1).ToList(select).FirstOrDefault();
|
||
public TDto ToOne<TDto>() => this.Limit(1).ToList<TDto>().FirstOrDefault();
|
||
|
||
public TReturn First<TReturn>(Expression<Func<T1, TReturn>> select) => this.ToOne(select);
|
||
public TDto First<TDto>() => this.ToOne<TDto>();
|
||
|
||
public override List<T1> ToList(bool includeNestedMembers = false) => base.ToList(_isIncluded || includeNestedMembers);
|
||
|
||
public int InsertInto<TTargetEntity>(string tableName, Expression<Func<T1, TTargetEntity>> select) where TTargetEntity : class => base.InternalInsertInto<TTargetEntity>(tableName, select);
|
||
|
||
public ISelect<T1> IncludeByPropertyNameIf(bool condition, string property) => condition ? IncludeByPropertyName(property) : this;
|
||
public ISelect<T1> IncludeByPropertyName(string property)
|
||
{
|
||
var exp = ConvertStringPropertyToExpression(property, true);
|
||
if (exp == null) throw new ArgumentException($"{CoreStrings.Cannot_Resolve_ExpressionTree(nameof(property))}");
|
||
var memExp = exp as MemberExpression;
|
||
if (memExp == null) throw new ArgumentException($"{CoreStrings.Cannot_Resolve_ExpressionTree(nameof(property))}2");
|
||
var parTb = _commonUtils.GetTableByEntity(memExp.Expression.Type);
|
||
if (parTb == null) throw new ArgumentException($"{CoreStrings.Cannot_Resolve_ExpressionTree(nameof(property))}3");
|
||
var parTbref = parTb.GetTableRef(memExp.Member.Name, true);
|
||
if (parTbref == null) throw new ArgumentException(CoreStrings.Not_Valid_Navigation_Property(nameof(property)));
|
||
switch (parTbref.RefType)
|
||
{
|
||
case TableRefType.ManyToMany:
|
||
case TableRefType.OneToMany:
|
||
var funcType = typeof(Func<,>).MakeGenericType(_tables[0].Table.Type, typeof(IEnumerable<>).MakeGenericType(parTbref.RefEntityType));
|
||
var navigateSelector = Expression.Lambda(funcType, exp, _tables[0].Parameter);
|
||
var incMethod = this.GetType().GetMethod("IncludeMany");
|
||
if (incMethod == null) throw new Exception(CoreStrings.RunTimeError_Reflection_IncludeMany);
|
||
incMethod.MakeGenericMethod(parTbref.RefEntityType).Invoke(this, new object[] { navigateSelector, null });
|
||
break;
|
||
case TableRefType.ManyToOne:
|
||
case TableRefType.OneToOne:
|
||
_isIncluded = true;
|
||
var curTb = _commonUtils.GetTableByEntity(exp.Type);
|
||
_commonExpression.ExpressionWhereLambda(_tables, Expression.MakeMemberAccess(exp, curTb.Properties[curTb.ColumnsByCs.First().Value.CsName]), null, null, null);
|
||
break;
|
||
}
|
||
return this;
|
||
}
|
||
|
||
bool _isIncluded = false;
|
||
public ISelect<T1> IncludeIf<TNavigate>(bool condition, Expression<Func<T1, TNavigate>> navigateSelector) where TNavigate : class => condition ? Include(navigateSelector) : this;
|
||
public ISelect<T1> Include<TNavigate>(Expression<Func<T1, TNavigate>> navigateSelector) where TNavigate : class
|
||
{
|
||
var expBody = navigateSelector?.Body;
|
||
if (expBody == null) return this;
|
||
if (expBody.NodeType != ExpressionType.MemberAccess) throw new Exception(CoreStrings.Include_ParameterType_Error_Use_MemberAccess);
|
||
if (typeof(IEnumerable).IsAssignableFrom(expBody.Type)) throw new Exception(CoreStrings.Include_ParameterType_Error_Use_IncludeMany);
|
||
var tb = _commonUtils.GetTableByEntity(expBody.Type);
|
||
if (tb == null) throw new Exception(CoreStrings.Include_ParameterType_Error);
|
||
|
||
_isIncluded = true;
|
||
_tables[0].Parameter = navigateSelector.Parameters[0];
|
||
_commonExpression.ExpressionWhereLambda(_tables, Expression.MakeMemberAccess(expBody, tb.Properties[tb.ColumnsByCs.First().Value.CsName]), null, null, null);
|
||
return this;
|
||
}
|
||
|
||
static NativeTuple<ParameterExpression, List<MemberExpression>> GetExpressionStack(Expression exp)
|
||
{
|
||
Expression tmpExp = exp;
|
||
ParameterExpression param = null;
|
||
var members = new Stack<MemberExpression>();
|
||
var isbreak = false;
|
||
while (isbreak == false)
|
||
{
|
||
switch (tmpExp.NodeType)
|
||
{
|
||
case ExpressionType.MemberAccess:
|
||
var memExp = tmpExp as MemberExpression;
|
||
tmpExp = memExp.Expression;
|
||
members.Push(memExp);
|
||
continue;
|
||
case ExpressionType.Parameter:
|
||
param = tmpExp as ParameterExpression;
|
||
isbreak = true;
|
||
break;
|
||
default:
|
||
throw new Exception(CoreStrings.Expression_Error_Use_Successive_MemberAccess_Type(exp));
|
||
}
|
||
}
|
||
if (param == null) throw new Exception(CoreStrings.Expression_Error_Use_ParameterExpression(exp));
|
||
return NativeTuple.Create(param, members.ToList());
|
||
}
|
||
static MethodInfo GetEntityValueWithPropertyNameMethod = typeof(EntityUtilExtensions).GetMethod("GetEntityValueWithPropertyName");
|
||
static ConcurrentDictionary<Type, ConcurrentDictionary<string, MethodInfo>> _dicTypeMethod = new ConcurrentDictionary<Type, ConcurrentDictionary<string, MethodInfo>>();
|
||
public ISelect<T1> IncludeMany<TNavigate>(Expression<Func<T1, IEnumerable<TNavigate>>> navigateSelector, Action<ISelect<TNavigate>> then = null) where TNavigate : class
|
||
{
|
||
var throwNavigateSelector = new Exception(CoreStrings.IncludeMany_ParameterType_Error_Use_MemberAccess);
|
||
|
||
var expBody = navigateSelector?.Body;
|
||
if (expBody == null) return this;
|
||
if (expBody.NodeType == ExpressionType.Convert) expBody = (expBody as UnaryExpression)?.Operand; //- 兼容 Vb.Net 无法使用 IncludeMany 的问题；
|
||
MethodCallExpression whereExp = null;
|
||
int takeNumber = 0;
|
||
Expression<Func<TNavigate, TNavigate>> selectExp = null;
|
||
while (expBody.NodeType == ExpressionType.Call)
|
||
{
|
||
throwNavigateSelector = new Exception(CoreStrings.IncludeMany_ParameterTypeError(nameof(navigateSelector)));
|
||
var callExp = (expBody as MethodCallExpression);
|
||
switch (callExp.Method.Name)
|
||
{
|
||
case "Where":
|
||
whereExp = callExp;
|
||
break;
|
||
case "Take":
|
||
takeNumber = int.Parse(_commonExpression.ExpressionLambdaToSql(callExp.Arguments[1], new CommonExpression.ExpTSC { }));
|
||
break;
|
||
case "Select":
|
||
selectExp = (callExp.Arguments[1] as Expression<Func<TNavigate, TNavigate>>);
|
||
if (selectExp?.Parameters.Count != 1) throw new Exception(CoreStrings.IncludeMany_ParameterError_OnlyUseOneParameter(nameof(navigateSelector)));
|
||
break;
|
||
default: throw throwNavigateSelector;
|
||
}
|
||
expBody = callExp.Object ?? callExp.Arguments.FirstOrDefault();
|
||
}
|
||
|
||
if (expBody.NodeType != ExpressionType.MemberAccess) throw throwNavigateSelector;
|
||
var collMem = expBody as MemberExpression;
|
||
var ges = GetExpressionStack(collMem.Expression);
|
||
var membersParam = ges.Item1;
|
||
var members = ges.Item2;
|
||
var tb = _commonUtils.GetTableByEntity(collMem.Expression.Type);
|
||
if (tb == null) throw throwNavigateSelector;
|
||
var collMemElementType = (collMem.Type.IsGenericType ? collMem.Type.GetGenericArguments().FirstOrDefault() : collMem.Type.GetElementType());
|
||
if (typeof(TNavigate) != collMemElementType)
|
||
throw new Exception(CoreStrings.IncludeMany_ParameterError_Select_ReturnConsistentType(nameof(navigateSelector), collMemElementType));
|
||
var tbNav = _commonUtils.GetTableByEntity(typeof(TNavigate));
|
||
if (tbNav == null) throw new Exception(CoreStrings.TypeError_CannotUse_IncludeMany(typeof(TNavigate).FullName));
|
||
|
||
if (collMem.Expression.NodeType != ExpressionType.Parameter)
|
||
_commonExpression.ExpressionWhereLambda(_tables, Expression.MakeMemberAccess(collMem.Expression, tb.Properties[tb.ColumnsByCs.First().Value.CsName]), null, null, null);
|
||
|
||
TableRef tbref = null;
|
||
var tbrefOneToManyColumns = new List<List<MemberExpression>>(); //临时 OneToMany 三个表关联，第三个表需要前两个表确定
|
||
if (whereExp == null)
|
||
{
|
||
tbref = tb.GetTableRef(collMem.Member.Name, true);
|
||
if (tbref == null) throw new Exception(CoreStrings.IncludeMany_NotValid_Navigation(tb.Type.DisplayCsharp(), collMem.Member.Name));
|
||
}
|
||
else
|
||
{
|
||
//处理临时关系映射
|
||
tbref = new TableRef
|
||
{
|
||
RefType = TableRefType.OneToMany,
|
||
Property = tb.Properties[collMem.Member.Name],
|
||
RefEntityType = tbNav.Type
|
||
};
|
||
foreach (var whereExpArg in whereExp.Arguments)
|
||
{
|
||
if (whereExpArg.NodeType != ExpressionType.Lambda) continue;
|
||
var whereExpArgLamb = whereExpArg as LambdaExpression;
|
||
|
||
Action<Expression> actWeiParse = null;
|
||
actWeiParse = expOrg =>
|
||
{
|
||
var binaryExp = expOrg as BinaryExpression;
|
||
if (binaryExp == null) throw throwNavigateSelector;
|
||
|
||
switch (binaryExp.NodeType)
|
||
{
|
||
case ExpressionType.AndAlso:
|
||
actWeiParse(binaryExp.Left);
|
||
actWeiParse(binaryExp.Right);
|
||
break;
|
||
case ExpressionType.Equal:
|
||
Expression leftExp = binaryExp.Left;
|
||
Expression rightExp = binaryExp.Right;
|
||
while (leftExp.NodeType == ExpressionType.Convert) leftExp = (leftExp as UnaryExpression)?.Operand;
|
||
while (rightExp.NodeType == ExpressionType.Convert) rightExp = (rightExp as UnaryExpression)?.Operand;
|
||
var leftP1MemberExp = leftExp as MemberExpression;
|
||
var rightP1MemberExp = rightExp as MemberExpression;
|
||
if (leftP1MemberExp == null || rightP1MemberExp == null) throw throwNavigateSelector;
|
||
|
||
if (leftP1MemberExp.Expression == whereExpArgLamb.Parameters[0])
|
||
{
|
||
var rightGes = GetExpressionStack(rightP1MemberExp.Expression);
|
||
var rightMembersParam = rightGes.Item1;
|
||
var rightMembers = rightGes.Item2;
|
||
if (rightMembersParam != membersParam) throw throwNavigateSelector;
|
||
var isCollMemEquals = rightMembers.Count == members.Count;
|
||
if (isCollMemEquals)
|
||
{
|
||
for (var l = 0; l < members.Count; l++)
|
||
if (members[l].Member != rightMembers[l].Member)
|
||
{
|
||
isCollMemEquals = false;
|
||
break;
|
||
}
|
||
}
|
||
if (isCollMemEquals)
|
||
{
|
||
tbref.Columns.Add(tb.ColumnsByCs[rightP1MemberExp.Member.Name]);
|
||
tbrefOneToManyColumns.Add(null);
|
||
}
|
||
else
|
||
{
|
||
var tmpTb = _commonUtils.GetTableByEntity(rightP1MemberExp.Expression.Type);
|
||
if (tmpTb == null) throw throwNavigateSelector;
|
||
tbref.Columns.Add(tmpTb.ColumnsByCs[rightP1MemberExp.Member.Name]);
|
||
tbrefOneToManyColumns.Add(rightMembers);
|
||
}
|
||
tbref.RefColumns.Add(tbNav.ColumnsByCs[leftP1MemberExp.Member.Name]);
|
||
return;
|
||
}
|
||
if (rightP1MemberExp.Expression == whereExpArgLamb.Parameters[0])
|
||
{
|
||
var leftGes = GetExpressionStack(leftP1MemberExp.Expression);
|
||
var leftMembersParam = leftGes.Item1;
|
||
var leftMembers = leftGes.Item2;
|
||
if (leftMembersParam != membersParam) throw throwNavigateSelector;
|
||
var isCollMemEquals = leftMembers.Count == members.Count;
|
||
if (isCollMemEquals)
|
||
{
|
||
for (var l = 0; l < members.Count; l++)
|
||
if (members[l].Member != leftMembers[l].Member)
|
||
{
|
||
isCollMemEquals = false;
|
||
break;
|
||
}
|
||
}
|
||
if (isCollMemEquals)
|
||
{
|
||
tbref.Columns.Add(tb.ColumnsByCs[leftP1MemberExp.Member.Name]);
|
||
tbrefOneToManyColumns.Add(null);
|
||
}
|
||
else
|
||
{
|
||
var tmpTb = _commonUtils.GetTableByEntity(leftP1MemberExp.Expression.Type);
|
||
if (tmpTb == null) throw throwNavigateSelector;
|
||
tbref.Columns.Add(tmpTb.ColumnsByCs[leftP1MemberExp.Member.Name]);
|
||
tbrefOneToManyColumns.Add(leftMembers);
|
||
}
|
||
tbref.RefColumns.Add(tbNav.ColumnsByCs[rightP1MemberExp.Member.Name]);
|
||
return;
|
||
}
|
||
|
||
throw throwNavigateSelector;
|
||
default: throw throwNavigateSelector;
|
||
}
|
||
};
|
||
actWeiParse(whereExpArgLamb.Body);
|
||
break;
|
||
}
|
||
if (tbref.Columns.Any() == false) throw throwNavigateSelector;
|
||
}
|
||
|
||
#if net40
|
||
Action<object, bool> includeToListSyncOrAsync = (listObj, isAsync) =>
|
||
{
|
||
isAsync = false;
|
||
#else
|
||
Func<object, bool, CancellationToken, Task> includeToListSyncOrAsync = async (listObj, isAsync, cancellationToken) =>
|
||
{
|
||
#endif
|
||
|
||
var list = listObj as List<T1>;
|
||
if (list == null) return;
|
||
if (list.Any() == false) return;
|
||
if (tbref.Columns.Any() == false) return;
|
||
|
||
var t1parm = Expression.Parameter(typeof(T1));
|
||
Expression membersExp = t1parm;
|
||
Expression membersExpNotNull = null;
|
||
foreach (var mem in members)
|
||
{
|
||
membersExp = Expression.MakeMemberAccess(membersExp, mem.Member);
|
||
var expNotNull = Expression.NotEqual(membersExp, Expression.Constant(null));
|
||
if (membersExpNotNull == null) membersExpNotNull = expNotNull;
|
||
else membersExpNotNull = Expression.AndAlso(membersExpNotNull, expNotNull);
|
||
}
|
||
//members.Clear(); 此行影响 ToChunk 第二次
|
||
|
||
var listValueExp = Expression.Parameter(typeof(List<TNavigate>), "listValue");
|
||
var setListValue = membersExpNotNull == null ?
|
||
Expression.Lambda<Action<T1, List<TNavigate>>>(
|
||
Expression.Assign(
|
||
Expression.MakeMemberAccess(membersExp, collMem.Member),
|
||
Expression.TypeAs(listValueExp, collMem.Type)
|
||
), t1parm, listValueExp).Compile() :
|
||
Expression.Lambda<Action<T1, List<TNavigate>>>(
|
||
Expression.IfThen(
|
||
membersExpNotNull,
|
||
Expression.Assign(
|
||
Expression.MakeMemberAccess(membersExp, collMem.Member),
|
||
Expression.TypeAs(listValueExp, collMem.Type)
|
||
)
|
||
), t1parm, listValueExp).Compile();
|
||
|
||
var returnTarget = Expression.Label(typeof(object));
|
||
var propertyNameExp = Expression.Parameter(typeof(string), "propertyName");
|
||
var getListValue1 = membersExpNotNull == null ?
|
||
Expression.Lambda<Func<T1, string, object>>(
|
||
Expression.Block(
|
||
Expression.IfThenElse(
|
||
Expression.Equal(propertyNameExp, Expression.Constant("")), //propertyName == "" 返回自身
|
||
Expression.Return(returnTarget, membersExp),
|
||
Expression.Return(returnTarget, Expression.Call(null, GetEntityValueWithPropertyNameMethod, Expression.Constant(_orm), Expression.Constant(membersExp.Type), membersExp, propertyNameExp))
|
||
),
|
||
Expression.Label(returnTarget, Expression.Default(typeof(object)))
|
||
), t1parm, propertyNameExp).Compile() :
|
||
Expression.Lambda<Func<T1, string, object>>(
|
||
Expression.Block(
|
||
Expression.IfThen(
|
||
membersExpNotNull,
|
||
Expression.IfThenElse(
|
||
Expression.Equal(propertyNameExp, Expression.Constant("")),
|
||
Expression.Return(returnTarget, membersExp),
|
||
Expression.Return(returnTarget, Expression.Call(null, GetEntityValueWithPropertyNameMethod, Expression.Constant(_orm), Expression.Constant(membersExp.Type), membersExp, propertyNameExp))
|
||
)
|
||
),
|
||
Expression.Label(returnTarget, Expression.Default(typeof(object)))
|
||
), t1parm, propertyNameExp).Compile();
|
||
|
||
var getListValue2 = new List<Func<T1, string, object>>();
|
||
for (var j = 0; j < tbrefOneToManyColumns.Count; j++)
|
||
{
|
||
if (tbrefOneToManyColumns[j] == null)
|
||
{
|
||
getListValue2.Add(null);
|
||
continue;
|
||
}
|
||
Expression tbrefOneToManyColumnsMembers = t1parm;
|
||
Expression tbrefOneToManyColumnsMembersNotNull = null;
|
||
foreach (var mem in tbrefOneToManyColumns[j])
|
||
{
|
||
tbrefOneToManyColumnsMembers = Expression.MakeMemberAccess(tbrefOneToManyColumnsMembers, mem.Member);
|
||
var expNotNull = Expression.NotEqual(membersExp, Expression.Constant(null));
|
||
if (tbrefOneToManyColumnsMembersNotNull == null) tbrefOneToManyColumnsMembersNotNull = expNotNull;
|
||
else tbrefOneToManyColumnsMembersNotNull = Expression.AndAlso(tbrefOneToManyColumnsMembersNotNull, expNotNull);
|
||
}
|
||
tbrefOneToManyColumns[j].Clear();
|
||
getListValue2.Add(tbrefOneToManyColumnsMembersNotNull == null ?
|
||
Expression.Lambda<Func<T1, string, object>>(
|
||
Expression.Block(
|
||
Expression.Return(returnTarget, Expression.Call(null, GetEntityValueWithPropertyNameMethod, Expression.Constant(_orm), Expression.Constant(tbrefOneToManyColumnsMembers.Type), tbrefOneToManyColumnsMembers, propertyNameExp)),
|
||
Expression.Label(returnTarget, Expression.Default(typeof(object)))
|
||
), t1parm, propertyNameExp).Compile() :
|
||
Expression.Lambda<Func<T1, string, object>>(
|
||
Expression.Block(
|
||
Expression.IfThen(
|
||
tbrefOneToManyColumnsMembersNotNull,
|
||
Expression.Return(returnTarget, Expression.Call(null, GetEntityValueWithPropertyNameMethod, Expression.Constant(_orm), Expression.Constant(tbrefOneToManyColumnsMembers.Type), tbrefOneToManyColumnsMembers, propertyNameExp))
|
||
),
|
||
Expression.Label(returnTarget, Expression.Default(typeof(object)))
|
||
), t1parm, propertyNameExp).Compile());
|
||
}
|
||
tbrefOneToManyColumns.Clear();
|
||
Func<T1, string, int, object> getListValue = (item, propName, colIndex) =>
|
||
{
|
||
if (getListValue2.Any() && getListValue2[colIndex] != null) return getListValue2[colIndex](item, propName);
|
||
return getListValue1(item, propName);
|
||
};
|
||
|
||
foreach (var item in list)
|
||
setListValue(item, null);
|
||
|
||
Action<List<TNavigate>, TableInfo> fillOneToManyData = (subList, tbref2) =>
|
||
{
|
||
if (subList.Any() == false)
|
||
{
|
||
foreach (var item in list)
|
||
setListValue(item, new List<TNavigate>());
|
||
return;
|
||
}
|
||
|
||
Dictionary<string, List<Tuple<T1, List<TNavigate>>>> dicList = new Dictionary<string, List<Tuple<T1, List<TNavigate>>>>();
|
||
foreach (var item in list)
|
||
{
|
||
if (tbref.Columns.Count == 1)
|
||
{
|
||
var dicListKey = getListValue(item, tbref.Columns[0].CsName, 0)?.ToString();
|
||
if (dicListKey == null) continue;
|
||
var dicListVal = Tuple.Create(item, new List<TNavigate>());
|
||
if (dicList.TryGetValue(dicListKey, out var items) == false)
|
||
dicList.Add(dicListKey, items = new List<Tuple<T1, List<TNavigate>>>());
|
||
items.Add(dicListVal);
|
||
}
|
||
else
|
||
{
|
||
var sb = new StringBuilder();
|
||
for (var z = 0; z < tbref.Columns.Count; z++)
|
||
{
|
||
if (z > 0) sb.Append("*$*");
|
||
sb.Append(getListValue(item, tbref.Columns[z].CsName, z));
|
||
}
|
||
var dicListKey = sb.ToString();
|
||
var dicListVal = Tuple.Create(item, new List<TNavigate>());
|
||
if (dicList.TryGetValue(dicListKey, out var items) == false)
|
||
dicList.Add(dicListKey, items = new List<Tuple<T1, List<TNavigate>>>());
|
||
items.Add(dicListVal);
|
||
sb.Clear();
|
||
}
|
||
}
|
||
var parentNavs = new List<string>();
|
||
foreach (var navProp in tbref2.Properties)
|
||
{
|
||
if (tbref2.ColumnsByCs.ContainsKey(navProp.Key)) continue;
|
||
if (tbref2.ColumnsByCsIgnore.ContainsKey(navProp.Key)) continue;
|
||
var tr2ref = tbref2.GetTableRef(navProp.Key, false);
|
||
if (tr2ref == null) continue;
|
||
if (tr2ref.RefType != TableRefType.ManyToOne) continue;
|
||
if (tr2ref.RefEntityType != tb.Type) continue;
|
||
if (string.Join(",", tr2ref.Columns.Select(a => a.CsName).OrderBy(a => a)) != string.Join(",", tbref.RefColumns.Select(a => a.CsName).OrderBy(a => a))) continue; //- 修复 IncludeMany 只填充子属性中双向关系的 ManyToOne 对象值；防止把 ManyToOne 多个相同类型的导航属性值都填充了
|
||
parentNavs.Add(navProp.Key);
|
||
}
|
||
foreach (var nav in subList)
|
||
{
|
||
string key = null;
|
||
if (tbref.RefColumns.Count == 1)
|
||
{
|
||
key = _orm.GetEntityValueWithPropertyName(tbref.RefEntityType, nav, tbref.RefColumns[0].CsName)?.ToString() ?? "";
|
||
}
|
||
else
|
||
{
|
||
var sb = new StringBuilder();
|
||
for (var z = 0; z < tbref.RefColumns.Count; z++)
|
||
{
|
||
if (z > 0) sb.Append("*$*");
|
||
sb.Append(_orm.GetEntityValueWithPropertyName(tbref.RefEntityType, nav, tbref.RefColumns[z].CsName));
|
||
}
|
||
key = sb.ToString();
|
||
sb.Clear();
|
||
}
|
||
if (dicList.TryGetValue(key, out var t1items) == false) continue;
|
||
foreach (var t1item in t1items)
|
||
t1item.Item2.Add(nav);
|
||
|
||
//将子集合的，多对一，对象设置为当前对象
|
||
foreach (var parentNav in parentNavs)
|
||
foreach (var t1item in t1items)
|
||
_orm.SetEntityValueWithPropertyName(tbref.RefEntityType, nav, parentNav, getListValue1(t1item.Item1, "")); //propertyName == "" 返回自身
|
||
}
|
||
foreach (var t1items in dicList.Values)
|
||
foreach (var t1item in t1items)
|
||
setListValue(t1item.Item1, t1item.Item2);
|
||
dicList.Clear();
|
||
};
|
||
|
||
if (tbref.RefType == TableRefType.OneToMany && _includeManySubListOneToManyTempValue1 != null && _includeManySubListOneToManyTempValue1 is List<TNavigate>)
|
||
{
|
||
fillOneToManyData(_includeManySubListOneToManyTempValue1 as List<TNavigate>, _commonUtils.GetTableByEntity(tbref.RefEntityType));
|
||
return;
|
||
}
|
||
|
||
var subSelect = _orm.Select<TNavigate>()
|
||
.DisableGlobalFilter()
|
||
.WithConnection(_connection)
|
||
.WithTransaction(_transaction)
|
||
.TrackToList(_trackToList) as Select1Provider<TNavigate>;
|
||
if (_tableRules?.Any() == true)
|
||
foreach (var tr in _tableRules) subSelect.AsTable(tr);
|
||
|
||
if (_whereGlobalFilter.Any())
|
||
subSelect._whereGlobalFilter.AddRange(_whereGlobalFilter.ToArray());
|
||
|
||
//subSelect._aliasRule = _aliasRule; //把 SqlServer 查询锁传递下去
|
||
then?.Invoke(subSelect);
|
||
var subSelectT1Alias = subSelect._tables[0].Alias;
|
||
var oldWhere = subSelect._where.ToString();
|
||
if (oldWhere.StartsWith(" AND ")) oldWhere = oldWhere.Remove(0, 5);
|
||
|
||
if (selectExp != null)
|
||
{
|
||
var tmpinitExp = selectExp.Body as MemberInitExpression;
|
||
var newinitExpBindings = tmpinitExp.Bindings.ToList();
|
||
foreach (var tbrefCol in tbref.RefColumns)
|
||
{
|
||
if (newinitExpBindings.Any(a => a.Member.Name == tbrefCol.CsName)) continue;
|
||
var tmpMemberInfo = tbrefCol.Table.Properties[tbrefCol.CsName];
|
||
newinitExpBindings.Add(Expression.Bind(tmpMemberInfo, Expression.MakeMemberAccess(selectExp.Parameters[0], tmpMemberInfo)));
|
||
}
|
||
if (subSelect._includeToList.Any()) //如果还有向下 IncludeMany，要把它的主键也查出来
|
||
{
|
||
foreach (var tbrefPkCol in _commonUtils.GetTableByEntity(tbref.RefEntityType).Primarys)
|
||
{
|
||
if (newinitExpBindings.Any(a => a.Member.Name == tbrefPkCol.CsName)) continue;
|
||
var tmpMemberInfo = tbrefPkCol.Table.Properties[tbrefPkCol.CsName];
|
||
newinitExpBindings.Add(Expression.Bind(tmpMemberInfo, Expression.MakeMemberAccess(selectExp.Parameters[0], tmpMemberInfo)));
|
||
}
|
||
}
|
||
Expression newinitExp = Expression.MemberInit(tmpinitExp.NewExpression, newinitExpBindings.ToList());
|
||
var selectExpParam = subSelect._tables[0].Parameter ?? Expression.Parameter(typeof(TNavigate), subSelectT1Alias);
|
||
newinitExp = new NewExpressionVisitor(selectExpParam, selectExp.Parameters[0]).Replace(newinitExp);
|
||
selectExp = Expression.Lambda<Func<TNavigate, TNavigate>>(newinitExp, selectExpParam);
|
||
}
|
||
|
||
switch (tbref.RefType)
|
||
{
|
||
case TableRefType.OneToMany:
|
||
if (true)
|
||
{
|
||
var subList = new List<TNavigate>();
|
||
var tbref2 = _commonUtils.GetTableByEntity(tbref.RefEntityType);
|
||
Func<Dictionary<string, bool>> getWhereDic = () =>
|
||
{
|
||
var sbDic = new Dictionary<string, bool>();
|
||
for (var y = 0; y < list.Count; y++)
|
||
{
|
||
var sbWhereOne = new StringBuilder();
|
||
sbWhereOne.Append("(");
|
||
for (var z = 0; z < tbref.Columns.Count; z++)
|
||
{
|
||
if (z > 0) sbWhereOne.Append(" AND ");
|
||
sbWhereOne.Append(_commonUtils.FormatSql($"{subSelectT1Alias}.{_commonUtils.QuoteSqlName(tbref.RefColumns[z].Attribute.Name)}={{0}}", Utils.GetDataReaderValue(tbref.RefColumns[z].Attribute.MapType, getListValue(list[y], tbref.Columns[z].CsName, z))));
|
||
}
|
||
sbWhereOne.Append(")");
|
||
var whereOne = sbWhereOne.ToString();
|
||
sbWhereOne.Clear();
|
||
if (sbDic.ContainsKey(whereOne) == false) sbDic.Add(whereOne, true);
|
||
}
|
||
return sbDic;
|
||
};
|
||
if (takeNumber > 0)
|
||
{
|
||
Select0Provider<ISelect<TNavigate>, TNavigate>.GetAllFieldExpressionTreeInfo af = null;
|
||
ReadAnonymousTypeAfInfo mf = default;
|
||
if (selectExp == null) af = subSelect.GetAllFieldExpressionTreeLevelAll();
|
||
else mf = subSelect.GetExpressionField(selectExp);
|
||
var sbSql = new StringBuilder();
|
||
var sbDic = getWhereDic();
|
||
foreach (var sbd in sbDic)
|
||
{
|
||
subSelect._where.Clear();
|
||
subSelect.Where(sbd.Key).Where(oldWhere).Limit(takeNumber);
|
||
sbSql.Append("\r\nUNION ALL\r\nselect * from (").Append(subSelect.ToSql(selectExp == null ? af.Field : mf.field)).Append(") ftb");
|
||
}
|
||
sbSql.Remove(0, 13);
|
||
if (sbDic.Count == 1) sbSql.Remove(0, 15).Remove(sbSql.Length - 5, 5);
|
||
sbDic.Clear();
|
||
|
||
if (isAsync)
|
||
{
|
||
#if net40
|
||
#else
|
||
if (selectExp == null) subList = await subSelect.ToListAfPrivateAsync(sbSql.ToString(), af, null, cancellationToken);
|
||
else subList = await subSelect.ToListMrPrivateAsync<TNavigate>(sbSql.ToString(), mf, null, cancellationToken);
|
||
#endif
|
||
}
|
||
else
|
||
{
|
||
if (selectExp == null) subList = subSelect.ToListAfPrivate(sbSql.ToString(), af, null);
|
||
else subList = subSelect.ToListMrPrivate<TNavigate>(sbSql.ToString(), mf, null);
|
||
}
|
||
sbSql.Clear();
|
||
}
|
||
else
|
||
{
|
||
subSelect._where.Clear();
|
||
if (tbref.Columns.Count == 1)
|
||
{
|
||
var arrExp = Expression.NewArrayInit(tbref.RefColumns[0].CsType,
|
||
list.Select(a => getListValue(a, tbref.Columns[0].CsName, 0)).Distinct()
|
||
.Select(a => Expression.Constant(Utils.GetDataReaderValue(tbref.RefColumns[0].CsType, a), tbref.RefColumns[0].CsType)).ToArray());
|
||
var otmExpParm1 = Expression.Parameter(typeof(TNavigate), "a");
|
||
var containsMethod = _dicTypeMethod.GetOrAdd(tbref.RefColumns[0].CsType, et => new ConcurrentDictionary<string, MethodInfo>()).GetOrAdd("Contains", mn =>
|
||
typeof(Enumerable).GetMethods().Where(a => a.Name == mn).First()).MakeGenericMethod(tbref.RefColumns[0].CsType);
|
||
var refCol = Expression.MakeMemberAccess(otmExpParm1, tbref2.Properties[tbref.RefColumns[0].CsName]);
|
||
//if (refCol.Type.IsNullableType()) refCol = Expression.Property(refCol, CommonExpression._dicNullableValueProperty.GetOrAdd(refCol.Type, ct1 => ct1.GetProperty("Value")));
|
||
subSelect.Where(Expression.Lambda<Func<TNavigate, bool>>(
|
||
Expression.Call(null, containsMethod, arrExp, refCol), otmExpParm1));
|
||
}
|
||
else
|
||
{
|
||
var sbDic = getWhereDic();
|
||
var sbWhere = new StringBuilder();
|
||
foreach (var sbd in sbDic)
|
||
sbWhere.Append(" OR ").Append(sbd.Key);
|
||
subSelect.Where(sbWhere.Remove(0, 4).ToString());
|
||
sbWhere.Clear();
|
||
sbDic.Clear();
|
||
}
|
||
subSelect.Where(oldWhere);
|
||
|
||
if (isAsync)
|
||
{
|
||
#if net40
|
||
#else
|
||
if (selectExp == null) subList = await subSelect.ToListAsync(true, cancellationToken);
|
||
else subList = await subSelect.ToListAsync<TNavigate>(selectExp, cancellationToken);
|
||
#endif
|
||
}
|
||
else
|
||
{
|
||
if (selectExp == null) subList = subSelect.ToList(true);
|
||
else subList = subSelect.ToList<TNavigate>(selectExp);
|
||
}
|
||
}
|
||
|
||
fillOneToManyData(subList, tbref2);
|
||
}
|
||
break;
|
||
case TableRefType.ManyToMany:
|
||
if (true)
|
||
{
|
||
List<TNavigate> subList = null;
|
||
List<object> midList = new List<object>();
|
||
var tbref2 = _commonUtils.GetTableByEntity(tbref.RefEntityType);
|
||
var tbrefMid = _commonUtils.GetTableByEntity(tbref.RefMiddleEntityType);
|
||
var tbrefMidName = _tableRules?.FirstOrDefault()?.Invoke(tbref.RefMiddleEntityType, tbrefMid.DbName) ?? tbrefMid.DbName;
|
||
var sbJoin = new StringBuilder().Append($"{_commonUtils.QuoteSqlName(tbrefMidName)} midtb ON ");
|
||
for (var z = 0; z < tbref.RefColumns.Count; z++)
|
||
{
|
||
if (z > 0) sbJoin.Append(" AND ");
|
||
sbJoin.Append($"midtb.{_commonUtils.QuoteSqlName(tbref.MiddleColumns[tbref.Columns.Count + z].Attribute.Name)} = a.{_commonUtils.QuoteSqlName(tbref.RefColumns[z].Attribute.Name)}");
|
||
if (_whereGlobalFilter.Any())
|
||
{
|
||
var cascade = _commonExpression.GetWhereCascadeSql(new SelectTableInfo { Alias = "midtb", AliasInit = "midtb", Table = tbrefMid, Type = SelectTableInfoType.InnerJoin }, _whereGlobalFilter, true);
|
||
if (string.IsNullOrEmpty(cascade) == false)
|
||
sbJoin.Append(" AND ").Append(cascade);
|
||
}
|
||
}
|
||
subSelect.InnerJoin(sbJoin.ToString());
|
||
sbJoin.Clear();
|
||
|
||
Select0Provider<ISelect<TNavigate>, TNavigate>.GetAllFieldExpressionTreeInfo af = null;
|
||
ReadAnonymousTypeAfInfo mf = default;
|
||
if (selectExp == null) af = subSelect.GetAllFieldExpressionTreeLevelAll();
|
||
else mf = subSelect.GetExpressionField(selectExp);
|
||
ReadAnonymousTypeAfInfo otherData = null;
|
||
var sbSql = new StringBuilder();
|
||
|
||
if (_selectExpression == null)
|
||
{
|
||
var field = new StringBuilder();
|
||
var read = new ReadAnonymousTypeInfo();
|
||
read.CsType = (tbrefMid.TypeLazy ?? tbrefMid.Type);
|
||
read.Consturctor = read.CsType.InternalGetTypeConstructor0OrFirst();
|
||
read.IsEntity = true;
|
||
read.Table = tbrefMid;
|
||
foreach (var col in tbrefMid.Columns.Values)
|
||
{
|
||
if (tbref.MiddleColumns.Where(a => a.CsName == col.CsName).Any() == false) continue;
|
||
var child = new ReadAnonymousTypeInfo
|
||
{
|
||
CsName = col.CsName,
|
||
CsType = col.CsType,
|
||
DbField = $"midtb.{_commonUtils.QuoteSqlName(col.Attribute.Name)}",
|
||
MapType = col.Attribute.MapType,
|
||
Property = tbrefMid.Properties[col.CsName]
|
||
};
|
||
read.Childs.Add(child);
|
||
field.Append(", ").Append(_commonUtils.RereadColumn(col, child.DbField));
|
||
}
|
||
otherData = new ReadAnonymousTypeAfInfo(read, field.ToString());
|
||
}
|
||
Func<Dictionary<string, bool>> getWhereDic = () =>
|
||
{
|
||
var sbDic = new Dictionary<string, bool>();
|
||
for (var y = 0; y < list.Count; y++)
|
||
{
|
||
var sbWhereOne = new StringBuilder();
|
||
sbWhereOne.Append("(");
|
||
for (var z = 0; z < tbref.Columns.Count; z++)
|
||
{
|
||
if (z > 0) sbWhereOne.Append(" AND ");
|
||
sbWhereOne.Append(_commonUtils.FormatSql($" midtb.{_commonUtils.QuoteSqlName(tbref.MiddleColumns[z].Attribute.Name)}={{0}}", Utils.GetDataReaderValue(tbref.MiddleColumns[z].Attribute.MapType, getListValue1(list[y], tbref.Columns[z].CsName))));
|
||
}
|
||
sbWhereOne.Append(")");
|
||
var whereOne = sbWhereOne.ToString();
|
||
sbWhereOne.Clear();
|
||
if (sbDic.ContainsKey(whereOne) == false) sbDic.Add(whereOne, true);
|
||
}
|
||
return sbDic;
|
||
};
|
||
|
||
if (takeNumber > 0)
|
||
{
|
||
var sbDic = getWhereDic();
|
||
foreach (var sbd in sbDic)
|
||
{
|
||
subSelect._where.Clear();
|
||
subSelect.Where(sbd.Key).Where(oldWhere).Limit(takeNumber);
|
||
sbSql.Append("\r\nUNION ALL\r\nselect * from (").Append(subSelect.ToSql($"{(selectExp == null ? af.Field : mf.field)}{otherData?.field}")).Append(") ftb");
|
||
}
|
||
sbSql.Remove(0, 13);
|
||
if (sbDic.Count == 1) sbSql.Remove(0, 15).Remove(sbSql.Length - 5, 5);
|
||
sbDic.Clear();
|
||
}
|
||
else
|
||
{
|
||
subSelect._where.Clear();
|
||
if (tbref.Columns.Count == 1)
|
||
{
|
||
subSelect.Where(_commonUtils.FormatSql($"midtb.{_commonUtils.QuoteSqlName(tbref.MiddleColumns[0].Attribute.Name)} in {{0}}", list.Select(a => Utils.GetDataReaderValue(tbref.MiddleColumns[0].Attribute.MapType, getListValue1(a, tbref.Columns[0].CsName))).Distinct()));
|
||
}
|
||
else
|
||
{
|
||
var sbDic = getWhereDic();
|
||
var sbWhere = new StringBuilder();
|
||
foreach (var sbd in sbDic)
|
||
sbWhere.Append(" OR ").Append(sbd.Key);
|
||
subSelect.Where(sbWhere.Remove(0, 4).ToString());
|
||
sbWhere.Clear();
|
||
sbDic.Clear();
|
||
}
|
||
subSelect.Where(oldWhere);
|
||
sbSql.Append(subSelect.ToSql($"{(selectExp == null ? af.Field : mf.field)}{otherData?.field}"));
|
||
}
|
||
|
||
if (isAsync)
|
||
{
|
||
#if net40
|
||
#else
|
||
if (selectExp == null) subList = await subSelect.ToListAfPrivateAsync(sbSql.ToString(), af, otherData == null ? null : new[] { new ReadAnonymousTypeOtherInfo(otherData.field, otherData.map, midList) }, cancellationToken);
|
||
else subList = await subSelect.ToListMrPrivateAsync<TNavigate>(sbSql.ToString(), mf, otherData == null ? null : new[] { new ReadAnonymousTypeOtherInfo(otherData.field, otherData.map, midList) }, cancellationToken);
|
||
#endif
|
||
}
|
||
else
|
||
{
|
||
if (selectExp == null) subList = subSelect.ToListAfPrivate(sbSql.ToString(), af, otherData == null ? null : new[] { new ReadAnonymousTypeOtherInfo(otherData.field, otherData.map, midList) });
|
||
else subList = subSelect.ToListMrPrivate<TNavigate>(sbSql.ToString(), mf, otherData == null ? null : new[] { new ReadAnonymousTypeOtherInfo(otherData.field, otherData.map, midList) });
|
||
}
|
||
if (subList.Any() == false)
|
||
{
|
||
foreach (var item in list)
|
||
setListValue(item, new List<TNavigate>());
|
||
return;
|
||
}
|
||
|
||
Dictionary<string, List<Tuple<T1, List<TNavigate>>>> dicList = new Dictionary<string, List<Tuple<T1, List<TNavigate>>>>();
|
||
foreach (var item in list)
|
||
{
|
||
if (tbref.Columns.Count == 1)
|
||
{
|
||
var dicListKey = getListValue1(item, tbref.Columns[0].CsName)?.ToString();
|
||
if (dicListKey == null) continue;
|
||
var dicListVal = Tuple.Create(item, new List<TNavigate>());
|
||
if (dicList.TryGetValue(dicListKey, out var items) == false)
|
||
dicList.Add(dicListKey, items = new List<Tuple<T1, List<TNavigate>>>());
|
||
items.Add(dicListVal);
|
||
}
|
||
else
|
||
{
|
||
var sb = new StringBuilder();
|
||
for (var z = 0; z < tbref.Columns.Count; z++)
|
||
{
|
||
if (z > 0) sb.Append("*$*");
|
||
sb.Append(getListValue1(item, tbref.Columns[z].CsName));
|
||
}
|
||
var dicListKey = sb.ToString();
|
||
var dicListVal = Tuple.Create(item, new List<TNavigate>());
|
||
if (dicList.TryGetValue(dicListKey, out var items) == false)
|
||
dicList.Add(dicListKey, items = new List<Tuple<T1, List<TNavigate>>>());
|
||
items.Add(dicListVal);
|
||
sb.Clear();
|
||
}
|
||
}
|
||
for (var a = 0; a < subList.Count; a++)
|
||
{
|
||
string key = null;
|
||
if (tbref.Columns.Count == 1)
|
||
key = _orm.GetEntityValueWithPropertyName(tbref.RefMiddleEntityType, midList[a], tbref.MiddleColumns[0].CsName)?.ToString() ?? "";
|
||
else
|
||
{
|
||
var sb = new StringBuilder();
|
||
for (var z = 0; z < tbref.Columns.Count; z++)
|
||
{
|
||
if (z > 0) sb.Append("*$*");
|
||
sb.Append(_orm.GetEntityValueWithPropertyName(tbref.RefMiddleEntityType, midList[a], tbref.MiddleColumns[z].CsName));
|
||
}
|
||
key = sb.ToString();
|
||
sb.Clear();
|
||
}
|
||
if (dicList.TryGetValue(key, out var t1items) == false) continue;
|
||
foreach (var t1item in t1items)
|
||
t1item.Item2.Add(subList[a]);
|
||
}
|
||
foreach (var t1items in dicList.Values)
|
||
foreach (var t1item in t1items)
|
||
setListValue(t1item.Item1, t1item.Item2);
|
||
dicList.Clear();
|
||
}
|
||
break;
|
||
}
|
||
};
|
||
|
||
#if net40
|
||
_includeToList.Add(listObj => includeToListSyncOrAsync(listObj, false));
|
||
#else
|
||
_includeToList.Add(listObj =>
|
||
{
|
||
var task = includeToListSyncOrAsync(listObj, false, default);
|
||
if (task.Exception != null) throw task.Exception.InnerException ?? task.Exception;
|
||
});
|
||
_includeToListAsync.Add((listObj, cancellationToken) => includeToListSyncOrAsync(listObj, true, cancellationToken));
|
||
#endif
|
||
var includeValue = new MemberExpression[members.Count + 1];
|
||
for (var a = 0; a < members.Count; a++) includeValue[a] = members[a];
|
||
includeValue[includeValue.Length - 1] = expBody as MemberExpression;
|
||
var includeKey = $"{string.Join(".", includeValue.Select(a => a.Member.Name))}";
|
||
if (_includeInfo.ContainsKey(includeKey) == false) _includeInfo.Add(includeKey, includeValue);
|
||
return this;
|
||
}
|
||
|
||
internal object _includeManySubListOneToManyTempValue1 = null;
|
||
internal void SetList(IEnumerable<T1> list)
|
||
{
|
||
foreach (var include in _includeToList) include?.Invoke(list);
|
||
_trackToList?.Invoke(list);
|
||
}
|
||
|
||
#if net40
|
||
#else
|
||
async internal Task SetListAsync(IEnumerable<T1> list, CancellationToken cancellationToken = default)
|
||
{
|
||
foreach (var include in _includeToListAsync) await include?.Invoke(list, cancellationToken);
|
||
_trackToList?.Invoke(list);
|
||
}
|
||
|
||
public Task<double> AvgAsync<TMember>(Expression<Func<T1, TMember>> column, CancellationToken cancellationToken = default)
|
||
{
|
||
if (column == null) return Task.FromResult(default(double));
|
||
_tables[0].Parameter = column.Parameters[0];
|
||
return this.InternalAvgAsync(column?.Body, cancellationToken);
|
||
}
|
||
public Task<TMember> MaxAsync<TMember>(Expression<Func<T1, TMember>> column, CancellationToken cancellationToken = default)
|
||
{
|
||
if (column == null) return Task.FromResult(default(TMember));
|
||
_tables[0].Parameter = column.Parameters[0];
|
||
return this.InternalMaxAsync<TMember>(column?.Body, cancellationToken);
|
||
}
|
||
public Task<TMember> MinAsync<TMember>(Expression<Func<T1, TMember>> column, CancellationToken cancellationToken = default)
|
||
{
|
||
if (column == null) return Task.FromResult(default(TMember));
|
||
_tables[0].Parameter = column.Parameters[0];
|
||
return this.InternalMinAsync<TMember>(column?.Body, cancellationToken);
|
||
}
|
||
public Task<decimal> SumAsync<TMember>(Expression<Func<T1, TMember>> column, CancellationToken cancellationToken = default)
|
||
{
|
||
if (column == null) return Task.FromResult(default(decimal));
|
||
_tables[0].Parameter = column.Parameters[0];
|
||
return this.InternalSumAsync(column?.Body, cancellationToken);
|
||
}
|
||
async public Task<List<TReturn>> ToListAsync<TReturn>(Expression<Func<T1, TReturn>> select, CancellationToken cancellationToken = default)
|
||
{
|
||
if (select == null) return await this.InternalToListAsync<TReturn>(select?.Body, cancellationToken);
|
||
_tables[0].Parameter = select.Parameters[0];
|
||
if (_includeToList?.Any() != true) return await this.InternalToListAsync<TReturn>(select.Body, cancellationToken);
|
||
|
||
var findIncludeMany = new List<string>(); //支持指定已经使用 IncudeMany 的导航属性
|
||
var map = new ReadAnonymousTypeInfo();
|
||
var field = new StringBuilder();
|
||
var index = 0;
|
||
_commonExpression.ReadAnonymousField(_tables, field, map, ref index, select.Body, this, null, _whereGlobalFilter, findIncludeMany, true);
|
||
var af = new ReadAnonymousTypeAfInfo(map, field.Length > 0 ? field.Remove(0, 2).ToString() : null);
|
||
if (findIncludeMany.Any() == false) return await this.ToListMapReaderPrivateAsync<TReturn>(af, null, cancellationToken);
|
||
|
||
var parmExp = Expression.Parameter(_tables[0].Table.Type, _tables[0].Alias);
|
||
var incNewInit = new IncludeManyNewInit(_tables[0].Table, parmExp);
|
||
foreach (var inc in _includeInfo)
|
||
{
|
||
var curIncNewInit = incNewInit;
|
||
Expression curParmExp = parmExp;
|
||
for (var a = 0; a < inc.Value.Length - 1; a++)
|
||
{
|
||
curParmExp = Expression.MakeMemberAccess(parmExp, inc.Value[a].Member);
|
||
if (curIncNewInit.Childs.ContainsKey(inc.Value[a].Member.Name) == false)
|
||
curIncNewInit.Childs.Add(inc.Value[a].Member.Name, curIncNewInit = new IncludeManyNewInit(_orm.CodeFirst.GetTableByEntity(inc.Value[a].Type), curParmExp));
|
||
else
|
||
curIncNewInit = curIncNewInit.Childs[inc.Value[a].Member.Name];
|
||
}
|
||
curIncNewInit.IsOutputPrimary = true;
|
||
}
|
||
MemberInitExpression GetIncludeManyNewInitExpression(IncludeManyNewInit imni)
|
||
{
|
||
var bindings = new List<MemberBinding>();
|
||
if (imni.IsOutputPrimary) bindings.AddRange(imni.Table.Primarys.Select(a => Expression.Bind(imni.Table.Properties[a.CsName], Expression.MakeMemberAccess(imni.CurrentExpression, imni.Table.Properties[a.CsName]))));
|
||
if (imni.Childs.Any()) bindings.AddRange(imni.Childs.Select(a => Expression.Bind(imni.Table.Properties[a.Key], GetIncludeManyNewInitExpression(a.Value))));
|
||
return Expression.MemberInit(imni.Table.Type.InternalNewExpression(), bindings);
|
||
}
|
||
|
||
var otherNewInit = GetIncludeManyNewInitExpression(incNewInit); //获取 IncludeMany 包含的最简化字段
|
||
if (otherNewInit.Bindings.Any() == false) return await this.ToListMapReaderPrivateAsync<TReturn>(af, null, cancellationToken);
|
||
|
||
var otherMap = new ReadAnonymousTypeInfo();
|
||
field.Clear();
|
||
_commonExpression.ReadAnonymousField(_tables, field, otherMap, ref index, otherNewInit, this, null, _whereGlobalFilter, null, true);
|
||
var otherRet = new List<object>();
|
||
var otherAf = new ReadAnonymousTypeOtherInfo(field.ToString(), otherMap, otherRet);
|
||
|
||
af.fillIncludeMany = new List<NativeTuple<string, IList, int>>();
|
||
var ret = await this.ToListMapReaderPrivateAsync<TReturn>(af, new[] { otherAf }, cancellationToken);
|
||
await this.SetListAsync(otherRet.Select(a => (T1)a).ToList(), cancellationToken); //级联加载
|
||
|
||
foreach (var fim in af.fillIncludeMany)
|
||
{
|
||
var splitKeys = fim.Item1.Split('.');
|
||
var otherRetItem = otherRet[fim.Item3];
|
||
var otherRetItemType = _tables[0].Table.Type;
|
||
foreach (var splitKey in splitKeys)
|
||
{
|
||
otherRetItem = _orm.GetEntityValueWithPropertyName(otherRetItemType, otherRetItem, splitKey);
|
||
otherRetItemType = _orm.CodeFirst.GetTableByEntity(otherRetItemType).Properties[splitKey].PropertyType;
|
||
}
|
||
if (otherRetItem == null) continue;
|
||
var otherList = otherRetItem as IEnumerable;
|
||
foreach (var otherListItem in otherList) fim.Item2.Add(otherListItem);
|
||
}
|
||
return ret;
|
||
}
|
||
async public Task<List<TDto>> ToListAsync<TDto>(CancellationToken cancellationToken = default) => typeof(T1) == typeof(TDto) ? await ToListAsync(false, cancellationToken) as List<TDto> : await ToListAsync(GetToListDtoSelector<TDto>(), cancellationToken);
|
||
|
||
public Task<int> InsertIntoAsync<TTargetEntity>(string tableName, Expression<Func<T1, TTargetEntity>> select, CancellationToken cancellationToken = default) where TTargetEntity : class => base.InternalInsertIntoAsync<TTargetEntity>(tableName, select, cancellationToken);
|
||
|
||
public Task<DataTable> ToDataTableAsync<TReturn>(Expression<Func<T1, TReturn>> select, CancellationToken cancellationToken = default)
|
||
{
|
||
if (select == null) return this.InternalToDataTableAsync(select?.Body, cancellationToken);
|
||
_tables[0].Parameter = select.Parameters[0];
|
||
return this.InternalToDataTableAsync(select?.Body, cancellationToken);
|
||
}
|
||
public Task<TReturn> ToAggregateAsync<TReturn>(Expression<Func<ISelectGroupingAggregate<T1>, TReturn>> select, CancellationToken cancellationToken = default)
|
||
{
|
||
if (select == null) return Task.FromResult(default(TReturn));
|
||
_tables[0].Parameter = select.Parameters[0];
|
||
return this.InternalToAggregateAsync<TReturn>(select?.Body, cancellationToken);
|
||
}
|
||
|
||
async public Task<bool> AnyAsync(Expression<Func<T1, bool>> exp, CancellationToken cancellationToken = default)
|
||
{
|
||
var oldwhere = _where.ToString();
|
||
var ret = await this.Where(exp).AnyAsync(cancellationToken);
|
||
_where.Clear().Append(oldwhere);
|
||
return ret;
|
||
}
|
||
async public Task<TReturn> ToOneAsync<TReturn>(Expression<Func<T1, TReturn>> select, CancellationToken cancellationToken = default) => (await this.Limit(1).ToListAsync(select, cancellationToken)).FirstOrDefault();
|
||
async public Task<TDto> ToOneAsync<TDto>(CancellationToken cancellationToken = default) => (await this.Limit(1).ToListAsync<TDto>(cancellationToken)).FirstOrDefault();
|
||
public Task<TReturn> FirstAsync<TReturn>(Expression<Func<T1, TReturn>> select, CancellationToken cancellationToken = default) => this.ToOneAsync(select, cancellationToken);
|
||
public Task<TDto> FirstAsync<TDto>(CancellationToken cancellationToken = default) => this.ToOneAsync<TDto>(cancellationToken);
|
||
public override Task<List<T1>> ToListAsync(bool includeNestedMembers = false, CancellationToken cancellationToken = default) => base.ToListAsync(_isIncluded || includeNestedMembers, cancellationToken);
|
||
#endif
|
||
}
|
||
} |