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

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

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;...

UniquenessFilter.cs

Source:UniquenessFilter.cs

...6using System.Text;7using System.Threading.Tasks;8namespace NBi.Core.ResultSet.Filtering9{10    class UniquenessFilter : GroupByFilter11    {12        public UniquenessFilter(IGroupBy groupBy)13            : base(new SingleFilter(), groupBy) { }14        private class SingleFilter : IResultSetFilter15        {16            public string Describe() => "Unique rows";17            public IResultSet Apply(IResultSet rs)18                => rs.Rows.Count == 1 ? rs : rs.Clone();19            20            public IResultSet AntiApply(IResultSet rs)21                => rs.Rows.Count != 1 ? rs : rs.Clone();22        }23    }24}...

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.Calculation;10using NBi.Core.Calculation.Predicate;11using NBi.Core.Calculation.Grouping;12using NBi.Core.Query;13{14    {15        static void Main(string[] args)16        {17            var c = new Core.ResultSet.Filtering.GroupByFilter();18            var rs = new ResultSet();19            rs.Columns.Add(new ResultSetColumn("Column1"));20            rs.Columns.Add(new ResultSetColumn("Column2"));21            rs.Columns.Add(new ResultSetColumn("Column3"));22            rs.Rows.Add(new ResultSetRow(new List<object>() { 1, 2, 3 }));23            rs.Rows.Add(new ResultSetRow(new List<object>() { 1, 2, 3 }));24            rs.Rows.Add(new ResultSetRow(new List<object>() { 2, 2, 3 }));25            rs.Rows.Add(new ResultSetRow(new List<object>() { 1, 2, 3 }));26            rs.Rows.Add(new ResultSetRow(new List<object>() { 2, 2, 3 }));27            rs.Rows.Add(new ResultSetRow(new List<object>() { 1, 2, 3 }));28            rs.Rows.Add(new ResultSetRow(new List<object>() { 2, 2, 3 }));29            rs.Rows.Add(new ResultSetRow(new List<object>() { 1, 2, 3 }));30            rs.Rows.Add(new ResultSetRow(new List<object>() { 2, 2, 3 }));31            rs.Rows.Add(new ResultSetRow(new List<object>() { 1, 2, 3 }));32            rs.Rows.Add(new ResultSetRow(new List<object>() { 2, 2, 3 }));33            rs.Rows.Add(new ResultSetRow(new List<object>() { 1, 2, 3 }));34            rs.Rows.Add(new ResultSetRow(new List<object>() { 2, 2, 3 }));35            rs.Rows.Add(new ResultSetRow(new List<object>() { 1, 2, 3 }));36            rs.Rows.Add(new ResultSetRow(new List<object>() { 2, 2, 3 }));37            rs.Rows.Add(new ResultSetRow(new List<object>() { 1, 2, 3 }));

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.Calculation;10using NBi.Core.Calculation.Grouping;11using NBi.Core.ResultSet.Lookup.Violation;12using NBi.Core.ResultSet.Comparer;13{14    {15        static void Main(string[] args)16        {17            var rs1 = new ResultSet();18            rs1.Columns.Add(new Column("Col1", "System.String"));19            rs1.Columns.Add(new Column("Col2", "System.String"));20            rs1.Columns.Add(new Column("Col3", "System.String"));21            rs1.Columns.Add(new Column("Col4", "System.String"));22            rs1.Load(new List<object[]>() {23                new object[] {"A", "B", "C", "D"},24                new object[] {"A", "B", "C", "E"},25                new object[] {"A", "B", "F", "G"},26                new object[] {"A", "B", "F", "H"},27                new object[] {"A", "B", "F", "I"},28                new object[] {"A", "B", "F", "J"},29                new object[] {"A", "B", "F", "K"},30                new object[] {"A", "B", "F", "L"},31                new object[] {"A", "B", "F", "M"},32                new object[] {"A", "B", "F", "N"},33                new object[] {"A", "B", "F", "O"},34                new object[] {"A", "B", "F", "P"},35                new object[] {"A", "B", "F", "Q"},36                new object[] {"A", "B", "F", "R"},37                new object[] {"A", "B", "F", "S"},38                new object[] {"A", "B", "F", "T"},39                new object[] {"A", "B", "F", "U"},40                new object[] {"A", "B", "F", "V"},41                new object[] {"A", "B", "F", "W"},42                new object[] {"A

GroupByFilter

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using NBi.Core;7using NBi.Core.ResultSet;8using NBi.Core.ResultSet.Filtering;9using NBi.Core.ResultSet.Resolver;10using NBi.Core.Calculation;11using NBi.Core.ResultSet.Comparer;12using NBi.Core.ResultSet.Analyzer;13using NBi.Core.ResultSet.Equivalence;14using NBi.Core.ResultSet.Lookup;15using NBi.Core.Injection;16using NBi.Core.Injection.Service;17using NBi.Core.Scalar.Resolver;18{19    {20        static void Main(string[] args)21        {22            var serviceLocator = new ServiceLocator();23            serviceLocator.LoadService<IColumnNameIdentifier>(new ColumnNameIdentifier());24            serviceLocator.LoadService<IColumnTypeIdentifier>(new ColumnTypeIdentifier());25            serviceLocator.LoadService<IColumnOrdinalIdentifier>(new ColumnOrdinalIdentifier());26            serviceLocator.LoadService<IColumnTypeConverter>(new ColumnTypeConverter());27            serviceLocator.LoadService<IColumnFinder>(new ColumnFinder());28            serviceLocator.LoadService<IColumnNameResolver>(new ColumnNameResolver());29            serviceLocator.LoadService<IColumnOrdinalResolver>(new ColumnOrdinalResolver());30            serviceLocator.LoadService<IColumnTypeResolver>(new ColumnTypeResolver());31            serviceLocator.LoadService<IColumnTypeConverter>(new ColumnTypeConverter());32            serviceLocator.LoadService<IColumnTypeConverter>(new ColumnTypeConverter());33            serviceLocator.LoadService<IColumnTypeConverter>(new ColumnTypeConverter());34            var resultSet = new ResultSet();35            resultSet.Load(ResultSetSample.ResultSetSample1());36            var resultSet2 = new ResultSet();37            resultSet2.Load(ResultSetSample.ResultSetSample2());38            var resultSet3 = new ResultSet();39            resultSet3.Load(ResultSetSample.ResultSetSample3());40            var resultSet4 = new ResultSet();41            resultSet4.Load(ResultSetSample.ResultSetSample4());42            var resultSet5 = new ResultSet();43            resultSet5.Load(ResultSetSample.ResultSetSample5());44            var resultSet6 = new ResultSet();45            resultSet6.Load(ResultSetSample.ResultSetSample6());46            var resultSet7 = new ResultSet();47            resultSet7.Load(ResultSetSample.ResultSetSample7());48            var resultSet8 = new ResultSet();

GroupByFilter

Using AI Code Generation

1using System;2using System.Data;3using System.Linq;4using System.Collections.Generic;5using NBi.Core.ResultSet;6using NBi.Core.ResultSet.Filtering;7using NBi.Core.ResultSet.Resolver;8using NBi.Core.Calculation.Grouping;9{10    public static void Main()11    {12        var dt = new DataTable();13        dt.Columns.Add("col1", typeof(string));14        dt.Columns.Add("col2", typeof(int));15        dt.Columns.Add("col3", typeof(int));16        dt.Rows.Add("A", 1, 1);17        dt.Rows.Add("A", 2, 2);18        dt.Rows.Add("A", 3, 3);19        dt.Rows.Add("B", 1, 1);20        dt.Rows.Add("B", 2, 2);21        dt.Rows.Add("B", 3, 3);22        dt.Rows.Add("C", 1, 1);23        dt.Rows.Add("C", 2, 2);24        dt.Rows.Add("C", 3, 3);25        dt.Rows.Add("D", 1, 1);26        dt.Rows.Add("D", 2, 2);27        dt.Rows.Add("D", 3, 3);28        dt.Rows.Add("E", 1, 1);29        dt.Rows.Add("E", 2, 2);30        dt.Rows.Add("E", 3, 3);31        dt.Rows.Add("F", 1, 1);32        dt.Rows.Add("F", 2, 2);33        dt.Rows.Add("F", 3, 3);34        dt.Rows.Add("G", 1, 1);35        dt.Rows.Add("G", 2, 2);36        dt.Rows.Add("G", 3, 3);37        dt.Rows.Add("H", 1, 1);38        dt.Rows.Add("H", 2, 2);39        dt.Rows.Add("H", 3, 3);40        dt.Rows.Add("I", 1, 1);41        dt.Rows.Add("I", 2, 2);42        dt.Rows.Add("I", 3, 3);43        dt.Rows.Add("J", 1, 1);44        dt.Rows.Add("J", 2, 2);45        dt.Rows.Add("J", 3, 3);46        dt.Rows.Add("K",

GroupByFilter

Using AI Code Generation

1var filter = new GroupByFilter("Column1");2var result = filter.Execute(resultSet);3var filter = new GroupByFilter(1);4var result = filter.Execute(resultSet);5var filter = new GroupByFilter("Column1", "Column2");6var result = filter.Execute(resultSet);7var filter = new GroupByFilter(1, 2);8var result = filter.Execute(resultSet);9var filter = new GroupByFilter("Column1", "Column2", AggregateFunction.Sum);10var result = filter.Execute(resultSet);11var filter = new GroupByFilter(1, 2, AggregateFunction.Sum);12var result = filter.Execute(resultSet);13var filter = new GroupByFilter("Column1", "Column2", AggregateFunction.Sum, "Column3");14var result = filter.Execute(resultSet);

GroupByFilter

Using AI Code Generation

1GroupByFilter filter = new GroupByFilter();2filter.Column = new ColumnOrdinalIdentifier(1);3filter.Mode = GroupingMode.Count;4filter.Threshold = 1;5filter.Operation = GroupingOperation.GreaterThan;6filter.ColumnReference = new ColumnOrdinalIdentifier(2);7filter.Apply(actualResultSet);8Console.WriteLine(actualResultSet.Render());9GroupByFilter filter = new GroupByFilter();10filter.Column = new ColumnOrdinalIdentifier(1);11filter.Mode = GroupingMode.Count;12filter.Threshold = 1;13filter.Operation = GroupingOperation.LessThan;14filter.ColumnReference = new ColumnOrdinalIdentifier(2);15filter.Apply(actualResultSet);16Console.WriteLine(actualResultSet.Render());

GroupByFilter

Using AI Code Generation

1var  rs  =  new  ResultSet ( ) ; 2rs . Load ( new  CsvDiscovery ( ) . Execute ( @"C:\Users\user\Desktop\sample.csv" ) ) ; 3var  filter  =   new  GroupByFilter ( new  string [ ] { "Column1" , "Column2" } ,  new  string [ ] { "Column3" } ) ; 4var  rs2  =  filter . Execute ( rs ) ; 5rs2 . Save ( new  CsvWriter ( @"C:\Users\user\Desktop\result.csv" ) ) ;6var  rs  =  new  ResultSet ( ) ; 7rs . Load ( new  CsvDiscovery ( ) . Execute ( @"C:\Users\user\Desktop\sample.csv" ) ) ; 8var  filter  =   new  GroupByFilter ( new  string [ ] { "Column1" , "Column2" } ,  new  string [ ] { "Column3" } ,  new  string [ ] { "Column4" } ) ; 9var  rs2  =  filter . Execute ( rs ) ; 10rs2 . Save ( new  CsvWriter ( @"C:\Users\user\Desktop\result.csv" ) ) ;

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