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How to use GroupByFilter class of NBi.Core.ResultSet.Filtering package

Best NBi code snippet using NBi.Core.ResultSet.Filtering.GroupByFilter

ResultSetFilterFactory.cs

Source:ResultSetFilterFactory.cs

...46        }47        private IResultSetFilter InstantiateRanking(RankingGroupByArgs args, Context context)48        {49            var ranking = new RankingFactory().Instantiate(args);50            return new GroupByFilter(ranking, args.GroupBy);51        }52        private IResultSetFilter InstantiateUniqueness(UniquenessArgs args, Context context)53            => new UniquenessFilter(args.GroupBy);54        public IResultSetFilter Instantiate(CombinationOperator combinationOperator, IEnumerable<PredicationArgs> predicationArgs, Context context)55        {56            var predications = new List<IPredication>();57            var predicateFactory = new PredicateFactory();58            var predicationFactory = new PredicationFactory();59            foreach (var predicationArg in predicationArgs)60            {61                if (predicationArg.Identifier == null)62                    throw new ArgumentException("You must specify an operand for a predicate. The operand is the column or alias or expression on which the predicate will be evaluated.");63                var predicate = predicateFactory.Instantiate(predicationArg.Predicate);64                var localPredication = predicationFactory.Instantiate(predicate, predicationArg.Identifier);...

GroupByFilterTest.cs

Source:GroupByFilterTest.cs

...16using System.Threading.Tasks;17using static NBi.Core.ResultSet.SettingsOrdinalResultSet;18namespace NBi.Testing.Core.ResultSet.Filtering19{20    public class GroupByFilterTest21    {22        [Test]23        public void Execute_Top2OneKey_ResultSetReduced()24        {25            var args = new ObjectsResultSetResolverArgs(new[] { new object[] { "alpha", 1 }, new object[] { "alpha", 2 }, new object[] { "beta", 3 }, new object[] { "alpha", 4 } });26            var resolver = new ObjectsResultSetResolver(args);27            var rs = resolver.Execute();28            var settings = new SettingsOrdinalResultSet(KeysChoice.First, ValuesChoice.None, NumericAbsoluteTolerance.None);29            var grouping = new OrdinalColumnGrouping(settings, Context.None);30            var filter = new TopRanking(2, new ColumnOrdinalIdentifier(1), ColumnType.Numeric);31            var rankingByGroup = new GroupByFilter(filter, grouping);32            var result = rankingByGroup.Apply(rs);33            Assert.That(result.Table.Rows, Has.Count.EqualTo(3));34            Assert.That(result.Table.Rows.Cast<DataRow>().Where(x => x[0].ToString()=="alpha").Count(), Is.EqualTo(2));35            Assert.That(result.Table.Rows.Cast<DataRow>().Where(x => x[0].ToString() == "beta").Count(), Is.EqualTo(1));36        }37        [Test]38        public void Execute_Top2None_ResultSetReduced()39        {40            var args = new ObjectsResultSetResolverArgs(new[] { new object[] { "alpha", 1 }, new object[] { "alpha", 2 }, new object[] { "beta", 3 }, new object[] { "alpha", 4 } });41            var resolver = new ObjectsResultSetResolver(args);42            var rs = resolver.Execute();43            var filter = new TopRanking(2, new ColumnOrdinalIdentifier(1), ColumnType.Numeric);44            var rankingByGroup = new GroupByFilter(filter, new NoneGrouping());45            var result = rankingByGroup.Apply(rs);46            Assert.That(result.Table.Rows, Has.Count.EqualTo(2));47            Assert.That(result.Table.Rows.Cast<DataRow>().Where(x => x[0].ToString() == "alpha").Count(), Is.EqualTo(1));48            Assert.That(result.Table.Rows.Cast<DataRow>().Where(x => x[0].ToString() == "beta").Count(), Is.EqualTo(1));49        }50    }51}...

GroupByFilter.cs

Source:GroupByFilter.cs

...7using System.Text;8using System.Threading.Tasks;9namespace NBi.Core.ResultSet.Filtering10{11    class GroupByFilter: IResultSetFilter12    {13        protected IResultSetFilter Filter { get; }14        protected IGroupBy GroupBy { get; }15        public GroupByFilter(IResultSetFilter filter, IGroupBy groupBy)16            => (Filter, GroupBy) = (filter, groupBy);17        18        public IResultSet Apply(IResultSet rs)19        {20            var newRs = rs.Clone();21            var groups = GroupBy.Execute(rs);22            foreach (var group in groups)23            {24                var groupRs = new ResultSet();25                groupRs.Load(group.Value);26                var filtered = Filter.Apply(groupRs);27                newRs.AddRange(filtered.Rows.Cast<DataRow>());28            }29            return newRs;...

GroupByFilter

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using NBi.Core.ResultSet.Filtering;7{8    {9        static void Main(string[] args)10        {11            var filter = new GroupByFilter();12            var rows = new List<Row>();13            rows.Add(new Row(1, "A", "B"));14            rows.Add(new Row(2, "A", "B"));15            rows.Add(new Row(3, "A", "B"));16            rows.Add(new Row(4, "A", "C"));17            rows.Add(new Row(5, "A", "C"));18            rows.Add(new Row(6, "A", "C"));19            rows.Add(new Row(7, "A", "D"));20            rows.Add(new Row(8, "A", "D"));21            rows.Add(new Row(9, "A", "D"));22            var data = new Data(rows, new List<Column>());23            var result = filter.Execute(data, "A", "B", "C", "D");24            var data2 = new Data(rows, new List<Column>());25            var result2 = filter.Execute(data2, "A", "B", "C", "D");26            var data3 = new Data(rows, new List<Column>());27            var result3 = filter.Execute(data3, "A", "B", "C", "D");28            var data4 = new Data(rows, new List<Column>());29            var result4 = filter.Execute(data4, "A", "B", "C", "D");30            var data5 = new Data(rows, new List<Column>());31            var result5 = filter.Execute(data5, "A", "B", "C", "D");32        }33    }34}35using System;36using System.Collections.Generic;37using System.Linq;38using System.Text;39using System.Threading.Tasks;40{41    {42        public Row(int id, string a, string b)43        {44            this.id = id;45            this.a = a;46            this.b = b;47        }48        public int id { get; set; }49        public string a { get; set; }50        public string b { get; set; }51    }52}

GroupByFilter

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using NBi.Core.ResultSet;6using NBi.Core.ResultSet.Filtering;7{8    {9        static void Main(string[] args)10        {11            List<myObject> list = new List<myObject>();12            list.Add(new myObject() { ID = 1, Name = "A" });13            list.Add(new myObject() { ID = 2, Name = "B" });14            list.Add(new myObject() { ID = 3, Name = "C" });15            list.Add(new myObject() { ID = 4, Name = "A" });16            list.Add(new myObject() { ID = 5, Name = "B" });17            list.Add(new myObject() { ID = 6, Name = "C" });18            List<string> columns = new List<string>();19            columns.Add("Name");20            GroupByFilter filter = new GroupByFilter(columns);21            var filteredList = filter.Execute(list.AsQueryable());22            foreach (myObject o in filteredList)23            {24                Console.WriteLine(o.ID + " " + o.Name);25            }26            Console.ReadLine();27        }28    }29    {30        public int ID { get; set; }31        public string Name { get; set; }32    }33}

GroupByFilter

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using NBi.Core.ResultSet;7using NBi.Core.ResultSet.Filtering;8using NBi.Core.ResultSet.Resolver;9using NBi.Core.Variable;10using NBi.Core.Calculation;11{12{13static void Main(string[] args)14{15var list = new List<Dictionary<string, object>>();16list.Add(new Dictionary<string, object>() { { "col1", "a" }, { "col2", "b" } });17list.Add(new Dictionary<string, object>() { { "col1", "a" }, { "col2", "b" } });18list.Add(new Dictionary<string, object>() { { "col1", "c" }, { "col2", "d" } });19list.Add(new Dictionary<string, object>() { { "col1", "c" }, { "col2", "d" } });20list.Add(new Dictionary<string, object>() { { "col1", "c" }, { "col2", "e" } });21list.Add(new Dictionary<string, object>() { { "col1", "c" }, { "col2", "e" } });22GroupByFilter filter = new GroupByFilter(new List<string>() { "col1" }, new List<string>() { "col2" });23var result = filter.Execute(list);24foreach (var item in result)25{26Console.WriteLine(item["col1"] + " " + item["col2"]);27}28}29}30}31using System;32using System.Collections.Generic;33using System.Linq;34using System.Text;35using System.Threading.Tasks;36using NBi.Core.ResultSet;37using NBi.Core.ResultSet.Filtering;38using NBi.Core.ResultSet.Resolver;39using NBi.Core.Variable;40using NBi.Core.Calculation;41{42{43static void Main(string[] args)44{45var list = new List<Dictionary<string, object>>();46list.Add(new Dictionary<string, object>() { { "col1", "a" }, { "col2

GroupByFilter

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using NBi.Core.ResultSet;7using NBi.Core.ResultSet.Filtering;8using NBi.Core.ResultSet.Resolver;9{10    {11        static void Main(string[] args)12        {13            var rs = new ResultSet();14            rs.Columns.Add("col1");15            rs.Columns.Add("col2");16            rs.Columns.Add("col3");17            rs.Rows.Add("a", "1", "1");18            rs.Rows.Add("a", "2", "2");19            rs.Rows.Add("b", "1", "1");20            rs.Rows.Add("b", "2", "2");21            var filter = new GroupByFilter();22            filter.Columns.Add("col1");23            filter.Columns.Add("col2");24            var rsFiltered = filter.Apply(rs);25            Console.WriteLine("Original");26            Console.WriteLine(rs);27            Console.WriteLine("Filtered");28            Console.WriteLine(rsFiltered);29            Console.ReadLine();30        }31    }32}33using System;34using System.Collections.Generic;35using System.Linq;36using System.Text;37using System.Threading.Tasks;38using NBi.Core.ResultSet;39using NBi.Core.ResultSet.Filtering;40using NBi.Core.ResultSet.Resolver;41{42    {43        static void Main(string[] args)44        {45            var rs = new ResultSet();46            rs.Columns.Add("col1");47            rs.Columns.Add("col2");48            rs.Columns.Add("col3");49            rs.Rows.Add("a", "1", "

GroupByFilter

Using AI Code Generation

1using NBi.Core.ResultSet;2using NBi.Core.ResultSet.Filtering;3using System;4using System.Collections.Generic;5using System.Linq;6using System.Text;7using System.Threading.Tasks;8{9    {10        static void Main(string[] args)11        {12            var rs = new ResultSet();13            rs.Load(@"C:\Users\user\Documents\Visual Studio 2013\Projects\NBiTest\NBiTest\1.csv");14            var filter = new GroupByFilter(new GroupByFilterArgs("Column1", "Column2", "Column3"));15            filter.ApplyTo(rs);16            rs.Save(@"C:\Users\user\Documents\Visual Studio 2013\Projects\NBiTest\NBiTest\2.csv");17        }18    }19}20using NBi.Core.ResultSet;21using NBi.Core.ResultSet.Filtering;22using System;23using System.Collections.Generic;24using System.Linq;25using System.Text;26using System.Threading.Tasks;27{28    {29        static void Main(string[] args)30        {31            var rs = new ResultSet();32            rs.Load(@"C:\Users\user\Documents\Visual Studio 2013\Projects\NBiTest\NBiTest\1.csv");33            var filter = new GroupByFilter(new GroupByFilterArgs("Column1", "Column2", "Column3"));34            filter.ApplyTo(rs);35            rs.Save(@"C:\Users\user\Documents\Visual Studio 2013\Projects\NBiTest\NBiTest\2.csv");36        }37    }38}39using NBi.Core.ResultSet;40using NBi.Core.ResultSet.Filtering;41using System;42using System.Collections.Generic;43using System.Linq;44using System.Text;45using System.Threading.Tasks;46{47    {48        static void Main(string[] args)49        {50            var rs = new ResultSet();51            rs.Load(@"C:\Users\user\Documents\Visual Studio 2013\Projects\NBiTest\NBiTest\1.csv");52            var filter = new GroupByFilter(new GroupByFilterArgs("

GroupByFilter

Using AI Code Generation

1using NBi.Core.ResultSet;2using NBi.Core.ResultSet.Filtering;3using NBi.Core.ResultSet.Resolver;4using System;5using System.Collections.Generic;6using System.Data;7using System.Linq;8using System.Text;9using System.Threading.Tasks;10{11    {12        static void Main(string[] args)13        {14            var dt = new DataTable();15            dt.Columns.Add("ID", typeof(int));16            dt.Columns.Add("Name", typeof(string));17            dt.Columns.Add("Age", typeof(int));18            dt.Rows.Add(1, "John", 24);19            dt.Rows.Add(2, "Mary", 24);20            dt.Rows.Add(3, "John", 25);21            dt.Rows.Add(4, "Mary", 25);22            dt.Rows.Add(5, "John", 26);23            dt.Rows.Add(6, "Mary", 26);24            dt.Rows.Add(7, "John", 27);25            dt.Rows.Add(8, "Mary", 27);26            dt.Rows.Add(9, "John", 28);27            dt.Rows.Add(10, "Mary", 28);28            var resolver = new DataTableResultSetResolver(dt);29            var filter = new GroupByFilter(new List<string>() { "Name" }, new List<string>() { "Age" });30            var result = filter.Execute(resolver);31            foreach (var row in result.Rows)32            {33                foreach (var cell in row)34                {35                    Console.Write(cell.Value + "\t");36                }37                Console.WriteLine();38            }39            Console.ReadKey();40        }41    }42}

GroupByFilter

Using AI Code Generation

1GroupByFilter filter = new GroupByFilter();2filter.Add(new GroupByFilterItem("Column1", new string[] { "A", "B" }));3filter.Add(new GroupByFilterItem("Column2", new string[] { "C", "D" }));4GroupByFilter filter = new GroupByFilter();5filter.Add(new GroupByFilterItem("Column1", new string[] { "A", "B" }));6filter.Add(new GroupByFilterItem("Column2", new string[] { "C", "D" }));7GroupByFilter filter = new GroupByFilter();8filter.Add(new GroupByFilterItem("Column1", new string[] { "A", "B" }));9filter.Add(new GroupByFilterItem("Column2", new string[] { "C", "D" }));10GroupByFilter filter = new GroupByFilter();11filter.Add(new GroupByFilterItem("Column1", new string[] { "A", "B" }));12filter.Add(new GroupByFilterItem("Column2", new string[] { "C", "D" }));13GroupByFilter filter = new GroupByFilter();14filter.Add(new GroupByFilterItem("Column1", new string[] { "A", "B" }));15filter.Add(new GroupByFilterItem("Column2", new string[] { "C", "D" }));16GroupByFilter filter = new GroupByFilter();17filter.Add(new GroupByFilterItem("Column1", new string[] { "A", "B" }));18filter.Add(new GroupByFilterItem("Column2", new string[] { "C", "D" }));19GroupByFilter filter = new GroupByFilter();20filter.Add(new GroupByFilterItem("Column1", new string[] { "A", "B" }));21filter.Add(new GroupByFilterItem("Column2", new string[] { "C", "D" }));

GroupByFilter

Using AI Code Generation

1var assembly = Assembly.LoadFrom(@"C:\Users\Public\Documents\NBi\NBi.Core.dll");2var type = assembly.GetType("NBi.Core.ResultSet.Filtering.GroupByFilter");3var constructor = type.GetConstructor(new Type[] { typeof(string) });4var instance = constructor.Invoke(new object[] { "col1" });5var method = type.GetMethod("Execute");6var result = method.Invoke(instance, new object[] { reader });7var assembly = Assembly.LoadFrom(@"C:\Users\Public\Documents\NBi\NBi.Core.dll");8var type = assembly.GetType("NBi.Core.ResultSet.Filtering.GroupByFilter");9var constructor = type.GetConstructor(new Type[] { typeof(string) });10var instance = constructor.Invoke(new object[] { "col1" });11var method = type.GetMethod("Execute");12var result = method.Invoke(instance, new object[] { reader });13var assembly = Assembly.LoadFrom(@"C:\Users\Public\Documents\NBi\NBi.Core.dll");14var type = assembly.GetType("NBi.Core.ResultSet.Filtering.GroupByFilter");15var constructor = type.GetConstructor(new Type[] { typeof(string) });16var instance = constructor.Invoke(new object[] { "col1" });17var method = type.GetMethod("Execute");

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