How to use BuildReferenceIndex method of NBi.Core.ResultSet.Alteration.Lookup.LookupReplaceEngine class

Best NBi code snippet using NBi.Core.ResultSet.Alteration.Lookup.LookupReplaceEngine.BuildReferenceIndex

LookupReplaceEngine.cs

Source:LookupReplaceEngine.cs

...21            var stopWatch = new Stopwatch();22            stopWatch.Start();23            var referenceKeyRetriever = BuildColumnsRetriever(Args.Mapping, x => x.ReferenceColumn);24            var referenceValueRetriever = BuildColumnsRetriever(new ColumnMapping(Args.Replacement, ColumnType.Untyped), x => x.ReferenceColumn);25            var index = BuildReferenceIndex(reference.Table, referenceKeyRetriever, referenceValueRetriever);26            Trace.WriteLineIf(Extensibility.NBiTraceSwitch.TraceInfo, $"Built the index for reference table containing {index.Count()} rows [{stopWatch.Elapsed:d'.'hh':'mm':'ss'.'fff'ms'}]");27            stopWatch.Restart();28            var candidateKeyBuilder = BuildColumnsRetriever(Args.Mapping, x => x.CandidateColumn);29            var originalColumn = candidate.Table.GetColumn(Args.Mapping.CandidateColumn);30            var newColumn = candidate.Table.Columns.Add($"tmp_{originalColumn.ColumnName}", typeof(object));31            foreach (DataRow row in candidate.Table.Rows)32            {33                var candidateKeys = candidateKeyBuilder.GetColumns(row);34                if (index.Keys.Contains(candidateKeys))35                    row[newColumn.Ordinal] = index[candidateKeys].Single().Members[0];36                else37                    Args.MissingStrategy.Execute(row, originalColumn, newColumn);38            }39            40            //Replace the original column by the new column41            newColumn.SetOrdinal(originalColumn.Ordinal);42            var columnName = originalColumn.ColumnName;43            candidate.Table.Columns.Remove(originalColumn);44            newColumn.ColumnName = columnName;45            Trace.WriteLineIf(Extensibility.NBiTraceSwitch.TraceInfo, $"Performed lookup replacement (based on keys) for the {candidate.Rows.Count} rows from candidate table [{stopWatch.Elapsed:d'.'hh':'mm':'ss'.'fff'ms'}]");46            candidate.Table.AcceptChanges();47            return candidate;48        }49        protected CellRetriever BuildColumnsRetriever(ColumnMapping column, Func<ColumnMapping, IColumnIdentifier> target)50        {51            var defColumns = new Collection<IColumnDefinition>();52            var defColumn = column.ToColumnDefinition(() => target(column));53            defColumns.Add(defColumn);54            switch(target(column))55            {56                case ColumnOrdinalIdentifier _: return new CellRetrieverByOrdinal(defColumns);57                case ColumnNameIdentifier _: return new CellRetrieverByName(defColumns);58                default: throw new ArgumentException();59            }60        }61        protected IDictionary<KeyCollection, ICollection<KeyCollection>> BuildReferenceIndex(DataTable table, CellRetriever keyRetriever, CellRetriever valuesRetriever)62        {63            var references = new Dictionary<KeyCollection, ICollection<KeyCollection>>();64            foreach (DataRow row in table.Rows)65            {66                var keys = keyRetriever.GetColumns(row);67                var values = valuesRetriever.GetColumns(row);68                if (!references.ContainsKey(keys))69                    references.Add(keys, new HashSet<KeyCollection>() { values });70                else71                    references[keys].Add(values);72            }73            return references;74        }75    }...

BuildReferenceIndex

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.Alteration.Lookup;8using NBi.Core.ResultSet.Resolver;9using NBi.Core.Calculation;10using NBi.Core.Calculation.Predicate;11using NBi.Core.Calculation.Predicate.Numeric;12using NBi.Core.Calculation.Predicate.Text;13using NBi.Core.Calculation.Ranking;14using NBi.Core.Calculation.Ranking.Percentile;15using NBi.Core.Calculation.Ranking.Position;16using NBi.Core.Calculation.Ranking.TopBottom;17using NBi.Core.Calculation.Ranking.Window;18using NBi.Core.Calculation.Ranking.Window.Nth;19using NBi.Core.Calculation.Ranking.Window.Relative;20using NBi.Core.Calculation.Ranking.Window.RelativePosition;21using NBi.Core.Calculation.Ranking.Window.Sliding;22using NBi.Core.Calculation.Ranking.Window.SlidingPosition;23using NBi.Core.Calculation.Ranking.Window.SlidingRelative;24using NBi.Core.Calculation.Ranking.Window.SlidingRelativePosition;25using NBi.Core.Calculation.Ranking.Window.SlidingTopBottom;26using NBi.Core.Calculation.Ranking.Window.SlidingTopBottomPosition;27using NBi.Core.Calculation.Ranking.Window.TopBottom;28using NBi.Core.Calculation.Ranking.Window.TopBottomPosition;29using NBi.Core.Calculation.Ranking.Window.WorstBest;30using NBi.Core.Calculation.Ranking.Window.WorstBestPosition;31using NBi.Core.Calculation.Ranking.Window.WorstBestRelative;32using NBi.Core.Calculation.Ranking.Window.WorstBestRelativePosition;33using NBi.Core.Calculation.Ranking.Window.WorstBestTopBottom;34using NBi.Core.Calculation.Ranking.Window.WorstBestTopBottomPosition;35using NBi.Core.Calculation.Ranking.Window.WorstBestTopBottomRelative;36using NBi.Core.Calculation.Ranking.Window.WorstBestTopBottomRelativePosition;37using NBi.Core.Calculation.Ranking.Window.WorstBestTopBottomSliding;38using NBi.Core.Calculation.Ranking.Window.WorstBestTopBottomSlidingPosition;39using NBi.Core.Calculation.Ranking.Window.WorstBestTopBottomSlidingRelative;

BuildReferenceIndex

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using NBi.Core.ResultSet.Alteration.Lookup;7using NBi.Core.ResultSet;8using NBi.Core.ResultSet.Lookup;9using NBi.Core.ResultSet.Resolver;10using NBi.Core.Calculation;11using NBi.Core.Calculation.Grouping;12using NBi.Core.Calculation.Predicate;13using NBi.Core.Calculation.Ranking;14using NBi.Core.Calculation.Ranking.Percentile;15using NBi.Core.Calculation.Ranking.TopBottom;16using NBi.Core.Calculation.Ranking.Combination;17using NBi.Core.Calculation.Ranking.Aggregation;18using NBi.Core.Calculation.Ranking.Position;19using NBi.Core.Calculation.Ranking.Window;20using NBi.Core.Calculation.Ranking.Window.NTies;21using NBi.Core.Calculation.Ranking.Window.NTies.Aggregation;22using NBi.Core.Calculation.Ranking.Window.NTies.Combination;23using NBi.Core.Calculation.Ranking.Window.NTies.Position;24using NBi.Core.Calculation.Ranking.Window.NTies.Ranking;25using NBi.Core.Calculation.Ranking.Window.NTies.Ranking.Aggregation;26using NBi.Core.Calculation.Ranking.Window.NTies.Ranking.Combination;27using NBi.Core.Calculation.Ranking.Window.NTies.Ranking.Position;28using NBi.Core.Calculation.Ranking.Window.NTies.Ranking.Percentile;29using NBi.Core.Calculation.Ranking.Window.NTies.Ranking.TopBottom;30using NBi.Core.Calculation.Ranking.Window.NTies.TopBottom;31using NBi.Core.Calculation.Ranking.Window.NTies.Percentile;32using NBi.Core.Calculation.Ranking.Window.NTies.Ranking;33using NBi.Core.Calculation.Ranking.Window.NTies.Ranking.TopBottom;34using NBi.Core.Calculation.Ranking.Window.NTies.Ranking.Percentile;35using NBi.Core.Calculation.Ranking.Window.NTies.Ranking.Combination;36using NBi.Core.Calculation.Ranking.Window.NTies.Ranking.Aggregation;37using NBi.Core.Calculation.Ranking.Window.NTies.Ranking.Position;38using NBi.Core.Calculation.Ranking.Window.NTies.Ranking.Ranking;

BuildReferenceIndex

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Data;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7using NBi.Core.ResultSet;8using NBi.Core.ResultSet.Alteration.Lookup;9{10    {11        static void Main(string[] args)12        {13            DataTable dt = new DataTable();14            dt.Columns.Add("col1");15            dt.Columns.Add("col2");16            dt.Columns.Add("col3");17            dt.Columns.Add("col4");18            dt.Columns.Add("col5");19            dt.Columns.Add("col6");20            dt.Rows.Add("1", "2", "3", "4", "5", "6");21            dt.Rows.Add("2", "2", "3", "4", "5", "6");22            dt.Rows.Add("3", "2", "3", "4", "5", "6");23            dt.Rows.Add("4", "2", "3", "4", "5", "6");24            dt.Rows.Add("5", "2", "3", "4", "5", "6");25            dt.Rows.Add("6", "2", "3", "4", "5", "6");26            dt.Rows.Add("7", "2", "3", "4", "5", "6");27            dt.Rows.Add("8", "2", "3", "4", "5", "6");28            dt.Rows.Add("9", "2", "3", "4", "5", "6");29            dt.Rows.Add("10", "2", "3", "4", "5", "6");30            dt.Rows.Add("11", "2", "3", "4", "5", "6");31            dt.Rows.Add("12", "2", "3", "4", "5", "6");32            dt.Rows.Add("13", "2", "3", "4", "5", "6");33            dt.Rows.Add("14", "2", "3", "4", "5", "6");34            dt.Rows.Add("15", "2", "3", "4", "5", "6");35            dt.Rows.Add("16", "2", "3", "4", "5", "6");36            dt.Rows.Add("17", "2", "3", "4", "5", "6");37            dt.Rows.Add("18",

BuildReferenceIndex

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using NBi.Core.ResultSet.Alteration.Lookup;7using NBi.Core.ResultSet;8using NBi.Core.ResultSet.Lookup.Violation;9{10    {11        static void Main(string[] args)12        {13            var engine = new LookupReplaceEngine();14            var reference = new ResultSet();15            reference.Load(new StringReader("a;b;c;d;e161;2;3;4;5176;7;8;9;1018"));19            var lookup = new ResultSet();20            lookup.Load(new StringReader("a;b;c;d;e211;2;3;4;5226;7;8;9;1023"));24            var result = new ResultSet();25            result.Load(new StringReader("a;b;c;d;e261;2;3;4;5276;7;8;9;1028"));29            var lookupIndex = engine.BuildReferenceIndex(reference, new List<IColumnDefinition>() { new ColumnOrdinalIdentifier(0) });30            engine.Replace(result, lookup, lookupIndex, new List<IColumnDefinition>() { new ColumnOrdinalIdentifier(0) }, new List<IColumnDefinition>() { new ColumnOrdinalIdentifier(0) }, new List<IColumnDefinition>() { new ColumnOrdinalIdentifier(0) });31        }32    }33}

BuildReferenceIndex

Using AI Code Generation

1using NBi.Core.ResultSet.Alteration.Lookup;2using NBi.Core.ResultSet;3using NBi.Core.Calculation;4using NBi.Core.Calculation.Ranking;5using NBi.Core.Calculation.Ranking.Percentile;6using NBi.Core.Calculation.Ranking.Window;7using NBi.Core.Calculation.Ranking.Position;8using NBi.Core.Calculation.Ranking.Aggregation;9using NBi.Core.Calculation.Ranking.Window;10using NBi.Core.Calculation.Ranking.Position;11using NBi.Core.Calculation.Ranking.Aggregation;12using NBi.Core.Calculation.Ranking;13using NBi.Core.Calculation.Ranking.Percentile;14using NBi.Core.Calculation.Ranking.Window;15using NBi.Core.Calculation.Ranking.Position;16using NBi.Core.Calculation.Ranking.Aggregation;17using NBi.Core.Calculation.Ranking;18using NBi.Core.Calculation.Ranking.Percentile;19using NBi.Core.Calculation.Ranking.Window;20using NBi.Core.Calculation.Ranking.Position;21using NBi.Core.Calculation.Ranking.Aggregation;22using NBi.Core.Calculation.Ranking;23using NBi.Core.Calculation.Ranking.Percentile;24using NBi.Core.Calculation.Ranking.Window;25using NBi.Core.Calculation.Ranking.Position;26using NBi.Core.Calculation.Ranking.Aggregation;27using NBi.Core.Calculation.Ranking;28using NBi.Core.Calculation.Ranking.Percentile;29using NBi.Core.Calculation.Ranking.Window;30using NBi.Core.Calculation.Ranking.Position;31using NBi.Core.Calculation.Ranking.Aggregation;32using NBi.Core.Calculation.Ranking;33using NBi.Core.Calculation.Ranking.Percentile;34using NBi.Core.Calculation.Ranking.Window;35using NBi.Core.Calculation.Ranking.Position;36using NBi.Core.Calculation.Ranking.Aggregation;37using NBi.Core.Calculation.Ranking;38using NBi.Core.Calculation.Ranking.Percentile;39using NBi.Core.Calculation.Ranking.Window;40using NBi.Core.Calculation.Ranking.Position;41using NBi.Core.Calculation.Ranking.Aggregation;42using NBi.Core.Calculation.Ranking;43using NBi.Core.Calculation.Ranking.Percentile;44using NBi.Core.Calculation.Ranking.Window;45using NBi.Core.Calculation.Ranking.Position;

BuildReferenceIndex

Using AI Code Generation

1using System;2using System.Collections.Generic;3using NBi.Core.ResultSet.Alteration.Lookup;4{5    public static void Main()6    {7        var engine = new LookupReplaceEngine();8        var index = engine.BuildReferenceIndex(new string[] { "a", "b", "c", "a" });9        Console.WriteLine("a: " + index["a"]);10        Console.WriteLine("b: " + index["b"]);11        Console.WriteLine("c: " + index["c"]);12        Console.WriteLine("d: " + index["d"]);13    }14}15using System;16using System.Collections.Generic;17using NBi.Core.ResultSet.Alteration.Lookup;18{19    public static void Main()20    {21        var engine = new LookupReplaceEngine();22        var index = engine.BuildReferenceIndex(new string[] { "a", "b", "c", "a" });23        Console.WriteLine("a: " + index["a"]);24        Console.WriteLine("b: " + index["b"]);25        Console.WriteLine("c: " + index["c"]);26        Console.WriteLine("d: " + index["d"]);27    }28}29using System;30using System.Collections.Generic;31using NBi.Core.ResultSet.Alteration.Lookup;32{33    public static void Main()34    {35        var engine = new LookupReplaceEngine();36        var index = engine.BuildReferenceIndex(new string[] { "a", "b", "c", "a" });37        Console.WriteLine("a: " + index["a"]);38        Console.WriteLine("b: " + index["b"]);39        Console.WriteLine("c: " + index["c"]);40        Console.WriteLine("d: " + index["d"]);41    }42}43using System;

BuildReferenceIndex

Using AI Code Generation

1var lookupReplaceEngine = new NBi.Core.ResultSet.Alteration.Lookup.LookupReplaceEngine();2var result = lookupReplaceEngine.BuildReferenceIndex(3    "select * from table1", "column1", "column4");4var result = lookupReplaceEngine.BuildReferenceIndex(5    "select * from table2", "column2", "column3");6var lookupReplaceEngine = new NBi.Core.ResultSet.Alteration.Lookup.LookupReplaceEngine();7var result = lookupReplaceEngine.Replace(8    "select * from table2", "column2", "column3");9var lookupReplaceEngine = new NBi.Core.ResultSet.Alteration.Lookup.LookupReplaceEngine();10var result = lookupReplaceEngine.Replace(

BuildReferenceIndex

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Linq;4using System.Text;5using System.Threading.Tasks;6using NBi.Core.ResultSet.Alteration.Lookup;7using NBi.Core.ResultSet;8using NBi.Core.Calculation;9using NBi.Core.Calculation.Predicate;10using NBi.Core.Calculation.Ranking;11using NBi.Core.Calculation.Ranking.Percentile;12using NBi.Core.Sequence.Resolver;13using NBi.Core.Sequence.Resolver.Loop;14using NBi.Core.Sequence.Resolver.Sequence;15using NBi.Core.Sequence.Resolver.Loop.FixedLength;16using System.Data;17using NBi.Core.ResultSet.Lookup;18using NBi.Core.ResultSet.Resolver;19using NBi.Core.ResultSet.Resolver.File;20using NBi.Core.ResultSet.Resolver.Fake;21using NBi.Core.ResultSet.Resolver.Csv;22using NBi.Core.ResultSet.Resolver.Xml;23using NBi.Core.ResultSet.Resolver.Json;24using NBi.Core.ResultSet.Resolver.Excel;25using NBi.Core.ResultSet.Resolver.DbCommand;26using NBi.Core.ResultSet.Resolver.DbCommand.Text;27using NBi.Core.ResultSet.Resolver.DbCommand.Procedure;28using NBi.Core.ResultSet.Resolver.CsvFile;29using NBi.Core.ResultSet.Resolver.XmlFile;30using NBi.Core.ResultSet.Resolver.JsonFile;31using NBi.Core.ResultSet.Resolver.ExcelFile;32using NBi.Core.ResultSet.Resolver.CsvStream;33using NBi.Core.ResultSet.Resolver.XmlStream;34using NBi.Core.ResultSet.Resolver.JsonStream;35using NBi.Core.ResultSet.Resolver.ExcelStream;36using NBi.Core.ResultSet.Resolver.DbCommand.TextFile;37using NBi.Core.ResultSet.Resolver.DbCommand.ProcedureFile;38using NBi.Core.ResultSet.Resolver.DbCommand.TextStream;39using NBi.Core.ResultSet.Resolver.DbCommand.ProcedureStream;40using NBi.Core.ResultSet.Resolver.Client;41using NBi.Core.ResultSet.Resolver.Client.Csv;42using NBi.Core.ResultSet.Resolver.Client.Json;43using NBi.Core.ResultSet.Resolver.Client.Excel;44using NBi.Core.ResultSet.Resolver.Client.CsvStream;45using NBi.Core.ResultSet.Resolver.Client.JsonStream;46using NBi.Core.ResultSet.Resolver.Client.ExcelStream;47using NBi.Core.ResultSet.Resolver.Client.CsvFile;48using NBi.Core.ResultSet.Resolver.Client.JsonFile;

BuildReferenceIndex

Using AI Code Generation

1using System;2using System.Collections.Generic;3using System.Data;4using System.Data.SqlClient;5using System.Linq;6using NBi.Core.ResultSet.Alteration.Lookup;7{8    {9        static void Main(string[] args)10        {11            var connectionString = "Data Source=.;Initial Catalog=Northwind;Integrated Security=True";12            var table1 = args[0];13            var column1 = args[1];14            var table2 = args[2];15            var column2 = args[3];16            var table3 = args[4];17            var column3 = args[5];18            var dt1 = GetTable(connectionString, table1);19            var dt2 = GetTable(connectionString, table2);20            var dt3 = GetTable(connectionString, table3);21            var engine = new LookupReplaceEngine();22            engine.BuildReferenceIndex(dt2, column2);23            var result = engine.Execute(dt1, column1, dt3, column3);24            Console.WriteLine("Old table");25            Console.WriteLine("

BuildReferenceIndex

Using AI Code Generation

1==");2            Console.WriteLine();3            PrintTable(dt1);4            Console.WriteLine();5            Console.WriteLine();6            Console.WriteLine("New table");7            Console.WriteLine("

BuildReferenceIndex

Using AI Code Generation

1==");2            Console.WriteLine();3            PrintTable(result);4            Console.WriteLine();5            Console.WriteLine("Press any key to continue...");6            Console.ReadKey();7        }8        private static DataTable GetTable(string connectionString, string table)9        {10            var dt = new DataTable();11            using (var connection = new SqlConnection(connectionString))12            {13                connection.Open();14                using (var command = connection.CreateCommand())15                {16                    command.CommandText = string.Format("SELECT * FROM {0}", table);17                    using (var reader = command.ExecuteReader())18                    {19                        dt.Load(reader);20                    }21                }22            }23            return dt;24        }25        private static void PrintTable(DataTable dt)26        {27            var columns = dt.Columns.Cast<DataColumn>().Select(x => x.ColumnName).ToArray();28            var rows = dt.Rows.Cast<DataRow>().Select(x => x.ItemArray).ToArray();29            var maxLengths = new int[columns.Length];30            for (int i

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