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C# SimpleQuery类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C#中SimpleQuery的典型用法代码示例。如果您正苦于以下问题:C# SimpleQuery类的具体用法?C# SimpleQuery怎么用?C# SimpleQuery使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



SimpleQuery类属于命名空间,在下文中一共展示了SimpleQuery类的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C#代码示例。

示例1: RunQuery

 public override IEnumerable<IDictionary<string, object>> RunQuery(SimpleQuery query,
                                                                   out IEnumerable<SimpleQueryClauseBase>
                                                                       unhandledClauses)
 {
     unhandledClauses = query.Clauses.AsEnumerable();
     return GetTable(query.TableName);
 }
开发者ID:ChrisMH,项目名称:Simple.Data,代码行数:7,代码来源:InMemoryAdapter.cs


示例2: Build

        public ICommandBuilder Build(SimpleQuery query)
        {
            var commandBuilder = new CommandBuilder(GetSelectClause(ObjectName.Parse(query.TableName)), _schema.SchemaProvider);

            if (query.Criteria != null)
            {
                commandBuilder.Append(" WHERE " + new ExpressionFormatter(commandBuilder, _schema).Format(query.Criteria));
            }

            if (query.Order != null)
            {
                var orderNames = query.Order.Select(q => q.Reference.GetName() + (q.Direction == OrderByDirection.Descending ? " DESC" : string.Empty));
                commandBuilder.Append(" ORDER BY " + string.Join(", ", orderNames));
            }

            if (query.SkipCount != null || query.TakeCount != null)
            {
                var queryPager = _adoAdapter.ProviderHelper.GetCustomProvider<IQueryPager>(_adoAdapter.ConnectionProvider);
                if (queryPager == null)
                {
                    throw new NotSupportedException("Paging is not supported by the current ADO provider.");
                }

                var skipTemplate = commandBuilder.AddParameter("skip", DbType.Int32, query.SkipCount ?? 0);
                var takeTemplate = commandBuilder.AddParameter("take", DbType.Int32, query.TakeCount ?? int.MaxValue);
                commandBuilder.SetText(queryPager.ApplyPaging(commandBuilder.Text, skipTemplate.Name, takeTemplate.Name));
            }

            return commandBuilder;
        }
开发者ID:fzawada,项目名称:Simple.Data,代码行数:30,代码来源:QueryBuilder.cs


示例3: WhereShouldSetCriteria

 public void WhereShouldSetCriteria()
 {
     var query = new SimpleQuery(null, "foo");
     var criteria = new SimpleExpression(1, 1, SimpleExpressionType.Equal);
     query = query.Where(criteria);
     Assert.AreSame(criteria, query.Clauses.OfType<WhereClause>().Single().Criteria);
 }
开发者ID:JorgeGamba,项目名称:Simple.Data,代码行数:7,代码来源:SimpleQueryTest.cs


示例4: TakeShouldSetTakeCount

 public void TakeShouldSetTakeCount()
 {
     var query = new SimpleQuery(null, "foo");
     query = query.Take(42);
     Assert.IsNotNull(query.Clauses.OfType<TakeClause>().FirstOrDefault());
     Assert.AreEqual(42, query.Clauses.OfType<TakeClause>().First().Count);
 }
开发者ID:JorgeGamba,项目名称:Simple.Data,代码行数:7,代码来源:SimpleQueryTest.cs


示例5: SetQueryContext

        private void SetQueryContext(SimpleQuery query)
        {
            _query = query;
            _tableName = _schema.BuildObjectName(query.TableName);
            _table = _schema.FindTable(_tableName);
            var selectClause = _query.Clauses.OfType<SelectClause>().SingleOrDefault();
            if (selectClause != null)
            {
                if (selectClause.Columns.OfType<AllColumnsSpecialReference>().Any())
                {
                    _columns = ExpandAllColumnsReferences(selectClause.Columns).ToArray();
                }
                else
                {
                    _columns = selectClause.Columns.ToArray();
                }
            }
            else
            {
                _columns = _table.Columns.Select(c => ObjectReference.FromStrings(_table.Schema, _table.ActualName, c.ActualName)).ToArray();
            }

            HandleWithClauses();

            _whereCriteria = _query.Clauses.OfType<WhereClause>().Aggregate(SimpleExpression.Empty,
                                                                            (seed, where) => seed && where.Criteria);
            _havingCriteria = _query.Clauses.OfType<HavingClause>().Aggregate(SimpleExpression.Empty,
                                                                              (seed, having) => seed && having.Criteria);

            _commandBuilder.SetText(GetSelectClause(_tableName));
        }
开发者ID:hlach,项目名称:Simple.Data,代码行数:31,代码来源:QueryBuilder.cs


示例6: RunQuery

        public IEnumerable<IDictionary<string, object>> RunQuery(SimpleQuery query,
                                                                 out IEnumerable<SimpleQueryClauseBase>
                                                                     unhandledClauses)
        {
            IEnumerable<IDictionary<string, object>> result;

            if (query.Clauses.OfType<WithCountClause>().Any()) return RunQueryWithCount(query, out unhandledClauses);

            ICommandBuilder[] commandBuilders = GetQueryCommandBuilders(query, out unhandledClauses);
            IDbConnection connection = _adapter.CreateConnection();
            if (_adapter.ProviderSupportsCompoundStatements || commandBuilders.Length == 1)
            {
                result =
                    CommandBuilder.CreateCommand(
                        _adapter.ProviderHelper.GetCustomProvider<IDbParameterFactory>(_adapter.SchemaProvider),
                        commandBuilders,
                        connection).ToEnumerable(_adapter.CreateConnection);
            }
            else
            {
                result = commandBuilders.SelectMany(cb => cb.GetCommand(connection).ToEnumerable(_adapter.CreateConnection));
            }

            if (query.Clauses.OfType<WithClause>().Any())
            {
                result = new EagerLoadingEnumerable(result);
            }

            return result;
        }
开发者ID:tapmantwo,项目名称:Simple.Data,代码行数:30,代码来源:AdoAdapterQueryRunner.cs


示例7: OrderByWithDescendingDirectionShouldSetOrderDescending

 public void OrderByWithDescendingDirectionShouldSetOrderDescending()
 {
     var query = new SimpleQuery(null, "foo");
     query = query.OrderBy(new ObjectReference("bar"), OrderByDirection.Descending);
     Assert.AreEqual("bar", query.Clauses.OfType<OrderByClause>().Single().Reference.GetName());
     Assert.AreEqual(OrderByDirection.Descending, query.Clauses.OfType<OrderByClause>().Single().Direction);
 }
开发者ID:JorgeGamba,项目名称:Simple.Data,代码行数:7,代码来源:SimpleQueryTest.cs


示例8: OrderByBarShouldSetOrderAscending

 public void OrderByBarShouldSetOrderAscending()
 {
     dynamic query = new SimpleQuery(null, "foo");
     SimpleQuery actual = query.OrderByBar();
     Assert.AreEqual("bar", actual.Clauses.OfType<OrderByClause>().Single().Reference.GetName().ToLowerInvariant());
     Assert.AreEqual(OrderByDirection.Ascending, actual.Clauses.OfType<OrderByClause>().Single().Direction);
 }
开发者ID:JorgeGamba,项目名称:Simple.Data,代码行数:7,代码来源:SimpleQueryTest.cs


示例9: Find

        public IEnumerable<IDictionary<string, object>> Find(MongoCollection<BsonDocument> collection, SimpleQuery query, out IEnumerable<SimpleQueryClauseBase> unhandledClauses)
        {
            var builder = MongoQueryBuilder.BuildFrom(query);

            unhandledClauses = builder.UnprocessedClauses;

            if (builder.IsTotalCountQuery)
            {
                long count;
                if (builder.Criteria == null)
                    count = collection.Count();
                else
                    count = collection.Count(_expressionFormatter.Format(builder.Criteria));

                //TODO: figure out how to make count a long
                builder.SetTotalCount((int)count);
            }

            if (!builder.SkipCount.HasValue && builder.TakeCount.HasValue && builder.TakeCount.Value == 1)
                return new[] { FindOne(collection, builder.Criteria) };

            var cursor = CreateCursor(collection, builder.Criteria);

            ApplyFields(cursor, builder.Columns);
            ApplySorting(cursor, builder.Order);
            ApplySkip(cursor, builder.SkipCount);
            ApplyTake(cursor, builder.TakeCount);

            var aliases = builder.Columns.OfType<ObjectReference>().ToDictionary(x => ExpressionFormatter.GetFullName(x), x => x.GetAlias());

            return cursor.Select(x => x.ToSimpleDictionary(aliases));
        }
开发者ID:kppullin,项目名称:Simple.Data.MongoDB,代码行数:32,代码来源:MongoAdapterFinder.cs


示例10: SetQueryContext

 private void SetQueryContext(SimpleQuery query)
 {
     _query = query;
     _tableName = ObjectName.Parse(query.TableName.Split('.').Last());
     _table = _schema.FindTable(_tableName);
     _commandBuilder = new CommandBuilder(GetSelectClause(_tableName), _schema.SchemaProvider);
 }
开发者ID:vansha,项目名称:Simple.Data,代码行数:7,代码来源:QueryBuilder.cs


示例11: GetErrors

        private static void GetErrors()
        {
            SimpleQuery p = new SimpleQuery { Site = NetworkSiteEnum.StackOverflow };
            IBridgeResponseCollection<ApiException> errors = client.GetErrors(p);

            Console.WriteLine(errors.First().ErrorDescription);
        }
开发者ID:bevacqua,项目名称:BridgeStack,代码行数:7,代码来源:Program.cs


示例12: RunQuery

 public override IEnumerable<IDictionary<string, object>> RunQuery(SimpleQuery query, out IEnumerable<SimpleQueryClauseBase> unhandledClauses)
 {
     unhandledClauses = Enumerable.Empty<SimpleQueryClauseBase>();
     var criteria = query.Clauses.OfType<WhereClause>().Aggregate(SimpleExpression.Empty,
                                                                     (seed, where) => seed && where.Criteria);
     return Find(query.TableName, criteria);
 }
开发者ID:remcok,项目名称:Simple.Data,代码行数:7,代码来源:XmlMockAdapter.cs


示例13: OrderByDescendingShouldSetOrderDescending

 public void OrderByDescendingShouldSetOrderDescending()
 {
     var query = new SimpleQuery(null, "foo");
     query = query.OrderByDescending(new ObjectReference("bar"));
     Assert.AreEqual("bar", query.Order.Single().Reference.GetName());
     Assert.AreEqual(OrderByDirection.Descending, query.Order.Single().Direction);
 }
开发者ID:darrencauthon,项目名称:Simple.Data,代码行数:7,代码来源:SimpleQueryTest.cs


示例14: Execute

 public object Execute(DataStrategy dataStrategy, SimpleQuery query, InvokeMemberBinder binder, object[] args)
 {
     var criteriaExpression = ExpressionHelper.CriteriaDictionaryToExpression(query.TableName,
                                                                              CreateCriteriaDictionary(binder,
                                                                                                       args));
     query = query.Where(criteriaExpression).Take(1);
     return query.FirstOrDefault();
 }
开发者ID:hlach,项目名称:Simple.Data,代码行数:8,代码来源:FindByCommand.cs


示例15: Execute

 public object Execute(DataStrategy dataStrategy, SimpleQuery query, InvokeMemberBinder binder, object[] args)
 {
     var keyNames = dataStrategy.GetAdapter().GetKeyNames(query.TableName);
     var dict = keyNames.Select((k, i) => new KeyValuePair<string, object>(k, args[i]));
     query = query.Where(ExpressionHelper.CriteriaDictionaryToExpression(query.TableName, dict)).Take(1);
     var result = query.FirstOrDefault();
     if (result == null) return null;
     return binder.Name.Equals("get", StringComparison.OrdinalIgnoreCase) ? result : ((IDictionary<string, object>) result).First().Value;
 }
开发者ID:kotsaris,项目名称:Simple.Data,代码行数:9,代码来源:GetCommand.cs


示例16: OrderByBarThenByQuuxShouldSetOrderAscending

 public void OrderByBarThenByQuuxShouldSetOrderAscending()
 {
     dynamic query = new SimpleQuery(null, "foo");
     SimpleQuery actual = query.OrderByBar().ThenByQuux();
     Assert.AreEqual("bar", actual.Order.First().Reference.GetName().ToLowerInvariant());
     Assert.AreEqual("quux", actual.Order.Skip(1).First().Reference.GetName().ToLowerInvariant());
     Assert.AreEqual(OrderByDirection.Ascending, actual.Order.First().Direction);
     Assert.AreEqual(OrderByDirection.Ascending, actual.Order.Skip(1).First().Direction);
 }
开发者ID:darrencauthon,项目名称:Simple.Data,代码行数:9,代码来源:SimpleQueryTest.cs


示例17: Find

        public override IEnumerable<IDictionary<string, object>> Find(string tableName, SimpleExpression criteria)
        {
            var query = new SimpleQuery(this, tableName)
                .Where(criteria);

            IEnumerable<SimpleQueryClauseBase> unhandledClauses;
            return new MongoAdapterFinder(this, _expressionFormatter)
                .Find(GetCollection(tableName), query, out unhandledClauses);
        }
开发者ID:kppullin,项目名称:Simple.Data.MongoDB,代码行数:9,代码来源:MongoAdapter.cs


示例18: OrderByBarThenQuxxShouldBeAbleToMixOrdering

 public void OrderByBarThenQuxxShouldBeAbleToMixOrdering()
 {
     var query = new SimpleQuery(null, "foo");
     query = query.OrderBy(new ObjectReference("bar"), OrderByDirection.Ascending)
                  .ThenBy(new ObjectReference("quux"), OrderByDirection.Descending);
     Assert.AreEqual("bar", query.Clauses.OfType<OrderByClause>().First().Reference.GetName());
     Assert.AreEqual("quux", query.Clauses.OfType<OrderByClause>().Skip(1).First().Reference.GetName());
     Assert.AreEqual(OrderByDirection.Ascending, query.Clauses.OfType<OrderByClause>().First().Direction);
     Assert.AreEqual(OrderByDirection.Descending, query.Clauses.OfType<OrderByClause>().Skip(1).First().Direction);
 }
开发者ID:JorgeGamba,项目名称:Simple.Data,代码行数:10,代码来源:SimpleQueryTest.cs


示例19: RunQueryAsObservable

 public IObservable<IDictionary<string, object>> RunQueryAsObservable(SimpleQuery query,
                                                                      out
                                                                          IEnumerable
                                                                          <SimpleQueryClauseBase>
                                                                          unhandledClauses)
 {
     IDbConnection connection = _adapter.CreateConnection();
     return new QueryBuilder(_adapter).Build(query, out unhandledClauses)
         .GetCommand(connection, _adapter.AdoOptions)
         .ToObservable(connection, _adapter);
 }
开发者ID:Ripper555,项目名称:Simple.Data,代码行数:11,代码来源:AdoAdapterQueryRunner.cs


示例20: RunQuery

 public override IEnumerable<IDictionary<string, object>> RunQuery(SimpleQuery query, out IEnumerable<SimpleQueryClauseBase> unhandledClauses)
 {
     unhandledClauses = query.Clauses.Where(c => !(c is WhereClause));
     var whereClauses = query.Clauses.OfType<WhereClause>().ToList();
     if (whereClauses.Count == 0)
     {
         return Find(query.TableName, null);
     }
     return Find(query.TableName,
                 query.Clauses.OfType<WhereClause>().DefaultIfEmpty().Select(w => w.Criteria).Aggregate((a, b) => a && b));
 }
开发者ID:yvesgoeleven,项目名称:Simple.Data.Azure,代码行数:11,代码来源:AzureTableAdapter.cs



注:本文中的SimpleQuery类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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