mirror of
https://github.com/nsnail/FreeSql.git
synced 2025-06-19 12:28:15 +08:00
- 增加 IncludeMany Take(5) 功能，实现每个子集合只取5条记录；
This commit is contained in:
28810
@ -318,15 +318,7 @@ namespace FreeSql.Internal.CommonProvider {
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return ret;
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});
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}
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internal List<T1> ToListPrivate(GetAllFieldExpressionTreeInfo af, (string field, ReadAnonymousTypeInfo read, List<object> retlist)[] otherData) {
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string sql = null;
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if (otherData?.Length > 0) {
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var sbField = new StringBuilder().Append(af.Field);
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foreach (var other in otherData)
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sbField.Append(other.field);
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sql = this.ToSql(sbField.ToString());
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} else
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sql = this.ToSql(af.Field);
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internal List<T1> ToListAfPrivate(string sql, GetAllFieldExpressionTreeInfo af, (string field, ReadAnonymousTypeInfo read, List<object> retlist)[] otherData) {
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if (_cache.seconds > 0 && string.IsNullOrEmpty(_cache.key)) _cache.key = $"{sql}{string.Join("|", _params.Select(a => a.Value))}";
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return _orm.Cache.Shell(_cache.key, _cache.seconds, () => {
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@ -357,15 +349,7 @@ namespace FreeSql.Internal.CommonProvider {
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return ret;
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});
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}
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async internal Task<List<T1>> ToListPrivateAsync(GetAllFieldExpressionTreeInfo af, (string field, ReadAnonymousTypeInfo read, List<object> retlist)[] otherData) {
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string sql = null;
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if (otherData?.Length > 0) {
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var sbField = new StringBuilder().Append(af.Field);
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foreach (var other in otherData)
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sbField.Append(other.field);
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sql = this.ToSql(sbField.ToString());
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} else
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sql = this.ToSql(af.Field);
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async internal Task<List<T1>> ToListAfPrivateAsync(string sql, GetAllFieldExpressionTreeInfo af, (string field, ReadAnonymousTypeInfo read, List<object> retlist)[] otherData) {
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if (_cache.seconds > 0 && string.IsNullOrEmpty(_cache.key)) _cache.key = $"{sql}{string.Join("|", _params.Select(a => a.Value))}";
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return await _orm.Cache.ShellAsync(_cache.key, _cache.seconds, async () => {
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@ -397,6 +381,30 @@ namespace FreeSql.Internal.CommonProvider {
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return ret;
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});
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}
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internal List<T1> ToListPrivate(GetAllFieldExpressionTreeInfo af, (string field, ReadAnonymousTypeInfo read, List<object> retlist)[] otherData) {
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string sql = null;
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if (otherData?.Length > 0) {
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var sbField = new StringBuilder().Append(af.Field);
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foreach (var other in otherData)
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sbField.Append(other.field);
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sql = this.ToSql(sbField.ToString());
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} else
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sql = this.ToSql(af.Field);
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return ToListAfPrivate(sql, af, otherData);
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}
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internal Task<List<T1>> ToListPrivateAsync(GetAllFieldExpressionTreeInfo af, (string field, ReadAnonymousTypeInfo read, List<object> retlist)[] otherData) {
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string sql = null;
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if (otherData?.Length > 0) {
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var sbField = new StringBuilder().Append(af.Field);
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foreach (var other in otherData)
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sbField.Append(other.field);
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sql = this.ToSql(sbField.ToString());
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} else
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sql = this.ToSql(af.Field);
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return ToListAfPrivateAsync(sql, af, otherData);
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}
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public List<T1> ToList(bool includeNestedMembers = false) {
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if (_selectExpression != null) return this.InternalToList<T1>(_selectExpression);
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return this.ToListPrivate(includeNestedMembers == false ? this.GetAllFieldExpressionTreeLevel2() : this.GetAllFieldExpressionTreeLevelAll(), null);
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@ -167,7 +167,7 @@ namespace FreeSql.Internal.CommonProvider {
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_tables[0].Parameter = resultSelector.Parameters[0];
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_commonExpression.ExpressionLambdaToSql(outerKeySelector, new CommonExpression.ExpTSC { _tables = _tables });
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this.InternalJoin(Expression.Lambda<Func<T1, TInner, bool>>(
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Expression.Equal(outerKeySelector.Body, innerKeySelector.Body),
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Expression.Equal(outerKeySelector.Body, innerKeySelector.Body),
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new[] { outerKeySelector.Parameters[0], innerKeySelector.Parameters[0] }
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), SelectTableInfoType.InnerJoin);
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if (typeof(TResult) == typeof(T1)) return this as ISelect<TResult>;
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@ -346,11 +346,18 @@ namespace FreeSql.Internal.CommonProvider {
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var expBody = navigateSelector?.Body;
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if (expBody == null) return this;
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MethodCallExpression whereExp = null;
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if (expBody.NodeType == ExpressionType.Call) {
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throwNavigateSelector = new Exception($"IncludeMany {nameof(navigateSelector)} 参数类型错误，表达式格式应该是 a.collection.Where(c => c.aid == a.id)");
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whereExp = (expBody as MethodCallExpression);
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if (whereExp.Method.Name != "Where") throw throwNavigateSelector;
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expBody = whereExp.Object ?? whereExp.Arguments.FirstOrDefault();
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int takeNumber = 0;
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while (expBody.NodeType == ExpressionType.Call) {
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throwNavigateSelector = new Exception($"IncludeMany {nameof(navigateSelector)} 参数类型错误，表达式格式应该是 a.collections.Take(1).Where(c => c.aid == a.id)");
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var callExp = (expBody as MethodCallExpression);
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switch (callExp.Method.Name) {
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case "Where":
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whereExp = callExp;
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break;
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case "Take": takeNumber = int.Parse((callExp.Arguments[1] as ConstantExpression)?.Value?.ToString() ?? "0"); break;
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default: throw throwNavigateSelector;
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}
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expBody = callExp.Object ?? callExp.Arguments.FirstOrDefault();
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}
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if (expBody.NodeType != ExpressionType.MemberAccess) throw throwNavigateSelector;
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@ -461,7 +468,7 @@ namespace FreeSql.Internal.CommonProvider {
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var t1parm = Expression.Parameter(typeof(T1));
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Expression membersExp = t1parm;
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foreach(var mem in members) membersExp = Expression.MakeMemberAccess(membersExp, mem.Member);
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foreach (var mem in members) membersExp = Expression.MakeMemberAccess(membersExp, mem.Member);
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members.Clear();
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var listValueExp = Expression.Parameter(typeof(List<TNavigate>), "listValue");
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@ -500,31 +507,24 @@ namespace FreeSql.Internal.CommonProvider {
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return getListValue1(item, propName);
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};
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foreach (var item in list) {
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foreach (var item in list)
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setListValue(item, null);
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}
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var subSelect = _orm.Select<TNavigate>().WithConnection(_connection).WithTransaction(_transaction).TrackToList(_trackToList);
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var subSelect = _orm.Select<TNavigate>().WithConnection(_connection).WithTransaction(_transaction).TrackToList(_trackToList) as Select1Provider<TNavigate>;
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if (_tableRules?.Any() == true)
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foreach (var tr in _tableRules) subSelect.AsTable(tr);
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then?.Invoke(subSelect);
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var subSelectT1Alias = subSelect._tables[0].Alias;
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var oldWhere = subSelect._where.ToString();
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if (oldWhere.StartsWith(" AND ")) oldWhere = oldWhere.Remove(0, 5);
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switch (tbref.RefType) {
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case TableRefType.OneToMany:
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if (true) {
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var subList = new List<TNavigate>();
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var tbref2 = _commonUtils.GetTableByEntity(tbref.RefEntityType);
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if (tbref.Columns.Count == 1) {
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var arrExp = Expression.NewArrayInit(tbref.Columns[0].CsType,
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list.Select(a => getListValue(a, tbref.Columns[0].CsName, 0)).Distinct()
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.Select(a => Expression.Constant(Convert.ChangeType(a, tbref.Columns[0].CsType))).ToArray());
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var otmExpParm1 = Expression.Parameter(typeof(TNavigate), "a");
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var containsMethod = _dicTypeMethod.GetOrAdd(tbref.Columns[0].CsType, et => new ConcurrentDictionary<string, MethodInfo>()).GetOrAdd("Contains", mn =>
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typeof(Enumerable).GetMethods().Where(a => a.Name == mn).First()).MakeGenericMethod(tbref.Columns[0].CsType);
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var refCol = Expression.MakeMemberAccess(otmExpParm1, tbref2.Properties[tbref.RefColumns[0].CsName]);
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if (refCol.Type.IsNullableType()) refCol = Expression.Property(refCol, CommonExpression._dicNullableValueProperty.GetOrAdd(refCol.Type, ct1 => ct1.GetProperty("Value")));
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subSelect.Where(Expression.Lambda<Func<TNavigate, bool>>(
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Expression.Call(null, containsMethod, arrExp, refCol), otmExpParm1));
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} else {
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var subSelectT1Alias = (subSelect as Select1Provider<TNavigate>)._tables[0].Alias;
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Dictionary<string, bool> sbDic = new Dictionary<string, bool>();
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Func<Dictionary<string, bool>> getWhereDic = () => {
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var sbDic = new Dictionary<string, bool>();
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for (var y = 0; y < list.Count; y++) {
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var sbWhereOne = new StringBuilder();
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sbWhereOne.Append("(");
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@ -537,28 +537,48 @@ namespace FreeSql.Internal.CommonProvider {
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sbWhereOne.Clear();
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if (sbDic.ContainsKey(whereOne) == false) sbDic.Add(whereOne, true);
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}
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var sbWhere = new StringBuilder();
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foreach (var sbd in sbDic)
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sbWhere.Append(" OR ").Append(sbd.Key);
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subSelect.Where(sbWhere.Remove(0, 4).ToString());
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sbWhere.Clear();
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//var otmExpParm1 = Expression.Parameter(typeof(TNavigate), "a");
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//Expression expOr = null;
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//foreach (var item in list) {
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// Expression expAnd = null;
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// for (var z = 0; z < tbref.Columns.Count; z++) {
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// var colVal = getListValue(item, tbref.Columns[z].CsName);
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// var expTmp = Expression.Equal(Expression.MakeMemberAccess(otmExpParm1, tbref2.Properties[tbref.RefColumns[z].CsName]), Expression.Constant(colVal));
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// if (z == 0) expAnd = expTmp;
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// else expAnd = Expression.AndAlso(expAnd, expTmp);
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// }
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// if (expOr == null) expOr = expAnd;
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// else expOr = Expression.OrElse(expOr, expAnd);
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//}
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//subSelect.Where(Expression.Lambda<Func<TNavigate, bool>>(expOr, otmExpParm1));
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return sbDic;
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};
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if (takeNumber > 0) {
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var af = subSelect.GetAllFieldExpressionTreeLevelAll();
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var sbSql = new StringBuilder();
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var sbDic = getWhereDic();
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foreach (var sbd in sbDic) {
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subSelect._where.Clear();
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subSelect.Where(sbd.Key).Where(oldWhere).Limit(takeNumber);
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sbSql.Append("\r\nUNION ALL\r\nselect * from (").Append(subSelect.ToSql(af.Field)).Append(") ftb");
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}
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sbSql.Remove(0, 13);
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if (sbDic.Count == 1) sbSql.Remove(0, 15).Remove(sbSql.Length - 5, 5);
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sbDic.Clear();
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subList = subSelect.ToListAfPrivate(sbSql.ToString(), af, null);
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sbSql.Clear();
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} else {
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subSelect._where.Clear();
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if (tbref.Columns.Count == 1) {
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var arrExp = Expression.NewArrayInit(tbref.Columns[0].CsType,
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list.Select(a => getListValue(a, tbref.Columns[0].CsName, 0)).Distinct()
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.Select(a => Expression.Constant(Convert.ChangeType(a, tbref.Columns[0].CsType))).ToArray());
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var otmExpParm1 = Expression.Parameter(typeof(TNavigate), "a");
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var containsMethod = _dicTypeMethod.GetOrAdd(tbref.Columns[0].CsType, et => new ConcurrentDictionary<string, MethodInfo>()).GetOrAdd("Contains", mn =>
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typeof(Enumerable).GetMethods().Where(a => a.Name == mn).First()).MakeGenericMethod(tbref.Columns[0].CsType);
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var refCol = Expression.MakeMemberAccess(otmExpParm1, tbref2.Properties[tbref.RefColumns[0].CsName]);
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if (refCol.Type.IsNullableType()) refCol = Expression.Property(refCol, CommonExpression._dicNullableValueProperty.GetOrAdd(refCol.Type, ct1 => ct1.GetProperty("Value")));
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subSelect.Where(Expression.Lambda<Func<TNavigate, bool>>(
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Expression.Call(null, containsMethod, arrExp, refCol), otmExpParm1));
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} else {
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var sbDic = getWhereDic();
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var sbWhere = new StringBuilder();
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foreach (var sbd in sbDic)
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sbWhere.Append(" OR ").Append(sbd.Key);
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subSelect.Where(sbWhere.Remove(0, 4).ToString());
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sbWhere.Clear();
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sbDic.Clear();
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}
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subSelect.Where(oldWhere);
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subList = subSelect.ToList(true);
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}
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then?.Invoke(subSelect);
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var subList = subSelect.ToList(true);
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if (subList.Any() == false) {
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foreach (var item in list)
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setListValue(item, new List<TNavigate>());
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@ -616,6 +636,8 @@ namespace FreeSql.Internal.CommonProvider {
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break;
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case TableRefType.ManyToMany:
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if (true) {
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List<TNavigate> subList = null;
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List<object> midList = new List<object>();
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var tbref2 = _commonUtils.GetTableByEntity(tbref.RefEntityType);
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var tbrefMid = _commonUtils.GetTableByEntity(tbref.RefMiddleEntityType);
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var sbJoin = new StringBuilder().Append($"{_commonUtils.QuoteSqlName(tbrefMid.DbName)} midtb ON ");
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@ -625,35 +647,11 @@ namespace FreeSql.Internal.CommonProvider {
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}
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subSelect.InnerJoin(sbJoin.ToString());
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sbJoin.Clear();
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if (tbref.Columns.Count == 1) {
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subSelect.Where(_commonUtils.FormatSql($"midtb.{_commonUtils.QuoteSqlName(tbref.MiddleColumns[0].Attribute.Name)} in {{0}}", list.Select(a => getListValue1(a, tbref.Columns[0].CsName)).Distinct()));
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} else {
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Dictionary<string, bool> sbDic = new Dictionary<string, bool>();
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for (var y = 0; y < list.Count; y++) {
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var sbWhereOne = new StringBuilder();
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sbWhereOne.Append("(");
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for (var z = 0; z < tbref.Columns.Count; z++) {
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if (z > 0) sbWhereOne.Append(" AND ");
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sbWhereOne.Append(_commonUtils.FormatSql($" midtb.{_commonUtils.QuoteSqlName(tbref.MiddleColumns[z].Attribute.Name)}={{0}}", getListValue1(list[y], tbref.Columns[z].CsName)));
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}
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sbWhereOne.Append(")");
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var whereOne = sbWhereOne.ToString();
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sbWhereOne.Clear();
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if (sbDic.ContainsKey(whereOne) == false) sbDic.Add(whereOne, true);
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}
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var sbWhere = new StringBuilder();
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foreach (var sbd in sbDic)
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sbWhere.Append(" OR ").Append(sbd.Key);
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subSelect.Where(sbWhere.Remove(0, 4).ToString());
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sbWhere.Clear();
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}
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then?.Invoke(subSelect);
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List<TNavigate> subList = null;
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List<object> midList = new List<object>();
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var af = subSelect.GetAllFieldExpressionTreeLevelAll();
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(string field, ReadAnonymousTypeInfo read)? otherData = null;
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var sbSql = new StringBuilder();
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var subSelectP1 = (subSelect as Select1Provider<TNavigate>);
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var af = subSelectP1.GetAllFieldExpressionTreeLevelAll();
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if (_selectExpression == null) {// return this.InternalToList<T1>(_selectExpression).Select(a => (a, ()).ToList();
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var field = new StringBuilder();
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var read = new ReadAnonymousTypeInfo();
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@ -672,10 +670,53 @@ namespace FreeSql.Internal.CommonProvider {
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read.Childs.Add(child);
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field.Append(", ").Append(_commonUtils.QuoteReadColumn(child.MapType, child.DbField));
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}
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subList = subSelectP1.ToListPrivate(af, new[] { (field.ToString(), read, midList) });
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} else
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subList = subSelectP1.ToListPrivate(af, null);
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otherData = (field.ToString(), read);
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}
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Func<Dictionary<string, bool>> getWhereDic = () => {
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var sbDic = new Dictionary<string, bool>();
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for (var y = 0; y < list.Count; y++) {
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var sbWhereOne = new StringBuilder();
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sbWhereOne.Append("(");
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for (var z = 0; z < tbref.Columns.Count; z++) {
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if (z > 0) sbWhereOne.Append(" AND ");
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sbWhereOne.Append(_commonUtils.FormatSql($" midtb.{_commonUtils.QuoteSqlName(tbref.MiddleColumns[z].Attribute.Name)}={{0}}", getListValue1(list[y], tbref.Columns[z].CsName)));
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}
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sbWhereOne.Append(")");
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var whereOne = sbWhereOne.ToString();
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sbWhereOne.Clear();
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if (sbDic.ContainsKey(whereOne) == false) sbDic.Add(whereOne, true);
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}
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return sbDic;
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};
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if (takeNumber > 0) {
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var sbDic = getWhereDic();
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foreach (var sbd in sbDic) {
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subSelect._where.Clear();
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subSelect.Where(sbd.Key).Where(oldWhere).Limit(takeNumber);
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sbSql.Append("\r\nUNION ALL\r\nselect * from (").Append(subSelect.ToSql($"{af.Field}{otherData?.field}")).Append(") ftb");
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}
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sbSql.Remove(0, 13);
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if (sbDic.Count == 1) sbSql.Remove(0, 15).Remove(sbSql.Length - 5, 5);
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sbDic.Clear();
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} else {
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subSelect._where.Clear();
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if (tbref.Columns.Count == 1) {
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subSelect.Where(_commonUtils.FormatSql($"midtb.{_commonUtils.QuoteSqlName(tbref.MiddleColumns[0].Attribute.Name)} in {{0}}", list.Select(a => getListValue1(a, tbref.Columns[0].CsName)).Distinct()));
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} else {
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var sbDic = getWhereDic();
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var sbWhere = new StringBuilder();
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foreach (var sbd in sbDic)
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sbWhere.Append(" OR ").Append(sbd.Key);
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subSelect.Where(sbWhere.Remove(0, 4).ToString());
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sbWhere.Clear();
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sbDic.Clear();
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}
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subSelect.Where(oldWhere);
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sbSql.Append(subSelect.ToSql($"{af.Field}{otherData?.field}"));
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}
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subList = subSelect.ToListAfPrivate(sbSql.ToString(), af, otherData == null ? null : new[] { (otherData.Value.field, otherData.Value.read, midList) });
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if (subList.Any() == false) {
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foreach (var item in list)
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setListValue(item, new List<TNavigate>());
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