783 lines
38 KiB
C#
783 lines
38 KiB
C#
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Data;
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using Microsoft.AnalysisServices;
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namespace BismNormalizer.TabularCompare.MultidimensionalMetadata
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{
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/// <summary>
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/// Abstraction of a tabular model table with properties and methods for comparison purposes.
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/// </summary>
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public class Table : ITabularObject
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{
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#region Private Members
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private TabularModel _parentTabularModel;
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private Dimension _amoDimension;
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private DataTable _amoTable;
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private CubeDimension _amoCubeDimension;
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private MeasureGroup _amoMeasureGroup;
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private RelationshipCollection _relationships = new RelationshipCollection();
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private string _datasourceId;
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private string _objectDefinition;
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private string _substituteId;
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private Dimension _amoDimensionBackup = null;
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private const int _spacing = 31;
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#endregion
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#region Constructors
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/// <summary>
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/// Initializes a new instance of the Table class using multiple parameters.
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/// </summary>
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/// <param name="parentTabularModel">TabularModel object that the Table object belongs to.</param>
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/// <param name="dimension">Analysis Management Objects Dimension object abtstracted by the Table class.</param>
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public Table(TabularModel parentTabularModel, Dimension dimension)
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{
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_parentTabularModel = parentTabularModel;
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_amoDimension = dimension;
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PopulateProperties();
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}
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#endregion
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#region Public Properties
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/// <summary>
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/// TabularModel object that the Table object belongs to.
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/// </summary>
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public TabularModel TabularModel => _parentTabularModel;
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/// <summary>
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/// Name of the Table object.
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/// </summary>
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public string Name => _amoDimension.Name;
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/// <summary>
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/// Long name of the Table object.
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/// </summary>
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public string LongName => _amoDimension.Name;
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/// <summary>
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/// Id of the Table object.
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/// </summary>
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public string Id => _amoDimension.ID;
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/// <summary>
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/// Data source id of the Table object.
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/// </summary>
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public string DataSourceID => _datasourceId;
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/// <summary>
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/// Object definition of the Table object. This is a simplified list of relevant attribute values for comparison; not the XMLA definition of the abstracted AMO object.
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/// </summary>
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public string ObjectDefinition => _objectDefinition;
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/// <summary>
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/// Collection of relationships for the Table object.
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/// </summary>
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public RelationshipCollection Relationships => _relationships;
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/// <summary>
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/// DataTable object abtstracted by the Table class.
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/// </summary>
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public DataTable AmoTable => _amoTable;
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/// <summary>
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/// Analysis Management Objects CubeDimension object abtstracted by the Table class.
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/// </summary>
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public CubeDimension AmoCubeDimension => _amoCubeDimension;
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/// <summary>
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/// Analysis Management Objects MeasureGroup object abtstracted by the Table class.
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/// </summary>
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public MeasureGroup AmoMeasureGroup => _amoMeasureGroup;
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/// <summary>
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/// Analysis Management Objects Dimension object abtstracted by the Table class.
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/// </summary>
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public Dimension AmoDimension => _amoDimension;
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/// <summary>
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/// Backed up version of the AMO Dimension object. Used for when updating a table.
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/// </summary>
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public Dimension AmoOldDimensionBackup
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{
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get
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{
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return _amoDimensionBackup;
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}
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set
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{
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_amoDimensionBackup = value;
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}
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}
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/// <summary>
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/// Substitute Id of the Table object.
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/// </summary>
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public string SubstituteId
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{
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get
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{
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if (string.IsNullOrEmpty(_substituteId))
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{
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return _amoDimension.ID;
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}
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else
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{
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return _substituteId;
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}
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}
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set
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{
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_substituteId = value;
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}
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}
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#endregion
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private void PopulateProperties()
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{
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// find the datasourceid for the Table - and also the datasourceid
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foreach (DataSourceView dsv in _parentTabularModel.AmoDatabase.DataSourceViews)
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{
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_datasourceId = dsv.DataSourceID;
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foreach (DataTable tbl in dsv.Schema.Tables)
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{
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if ((tbl.TableName == _amoDimension.ID) ||
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(_amoDimension.Source is DsvTableBinding && tbl.TableName == ((DsvTableBinding)_amoDimension.Source).TableID)
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)
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{
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_amoTable = tbl;
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//_tableInDsv = tbl;
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if (tbl.ExtendedProperties["DataSourceID"] != null)
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{
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_datasourceId = tbl.ExtendedProperties["DataSourceID"].ToString();
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break;
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}
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}
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}
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}
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foreach (CubeDimension cd in _parentTabularModel.AmoDatabase.Cubes[0].Dimensions)
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{
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if (cd.ID == _amoDimension.ID)
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{
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_amoCubeDimension = cd;
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break;
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}
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}
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foreach (MeasureGroup mg in _parentTabularModel.AmoDatabase.Cubes[0].MeasureGroups)
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{
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if (mg.ID == _amoDimension.ID)
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{
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_amoMeasureGroup = mg;
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break;
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}
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}
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string baseColumns = "";
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string calculatedColumns = "";
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foreach (DimensionAttribute attribute in _amoDimension.Attributes)
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{
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// ignore key attribute - which is internal built in "RowNumber"
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//if (attribute.ID != _amoDimension.KeyAttribute.ID)
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if (attribute.ID != "__XL_RowNumber") //if (attribute.ID != "RowNumber") //Before SQL 2016, was just "RowNumber"
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{
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// if calculated column, show expression
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if (attribute.NameColumn.Source is ExpressionBinding)
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{
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string expression = ((ExpressionBinding)attribute.NameColumn.Source).Expression;
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calculatedColumns += "[" + attribute.Name + "]:=" + expression + "; " + SetColumnFormatAndVisibility(attribute) + "\n";
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}
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else
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{
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string baseColumn = "[" + attribute.Name + "]";
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/* DATA TYPE MAPPING
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Text: WChar
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Whole Number: BigInt
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Decimal Number: Double
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True/False: Boolean
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Currency: Currency
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Date: Date
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Binary: Binary
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*/
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// insert spaces to line up data types nicely
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if (baseColumn.Length < _spacing)
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{
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baseColumn += new String(' ', _spacing - baseColumn.Length);
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}
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switch (attribute.KeyColumns[0].DataType)
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{
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case System.Data.OleDb.OleDbType.WChar:
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baseColumn += " Data Type: Text, ";
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break;
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case System.Data.OleDb.OleDbType.BigInt:
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case System.Data.OleDb.OleDbType.Integer:
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case System.Data.OleDb.OleDbType.SmallInt:
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baseColumn += " Data Type: Whole Number, ";
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break;
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case System.Data.OleDb.OleDbType.Double:
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baseColumn += " Data Type: Decimal Number, ";
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break;
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case System.Data.OleDb.OleDbType.Boolean:
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baseColumn += " Data Type: True/False, ";
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break;
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case System.Data.OleDb.OleDbType.Currency:
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baseColumn += " Data Type: Currency, ";
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break;
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case System.Data.OleDb.OleDbType.Date:
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baseColumn += " Data Type: Date, ";
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break;
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case System.Data.OleDb.OleDbType.Binary:
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baseColumn += " Data Type: Binary, ";
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break;
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default:
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break;
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}
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// Format & visibility
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baseColumn += SetColumnFormatAndVisibility(attribute);
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baseColumns += baseColumn + "\n";
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}
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}
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}
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_objectDefinition += "Base Columns:\n" + baseColumns + "\n";
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_objectDefinition += "Calculated Columns:\n" + calculatedColumns + "\n";
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_objectDefinition += "Hierarchies:\n";
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if (_amoDimension.Hierarchies.Count == 0)
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{
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_objectDefinition += "\n";
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}
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else
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{
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foreach (Hierarchy hierarchy in _amoDimension.Hierarchies)
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{
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_objectDefinition += "[" + hierarchy.Name + "] ";
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//if ((_parentTabularModel.ComparisonInfo.OptionsInfo.OptionDisplayFolders || _parentTabularModel.ComparisonInfo.OptionsInfo.OptionTranslations) && hierarchy.Name.Length + 2 < _spacing)
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//{
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// _objectDefinition += new String(' ', _spacing - hierarchy.Name.Length - 2);
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//}
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//if (_parentTabularModel.ComparisonInfo.OptionsInfo.OptionDisplayFolders)
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//{
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// _objectDefinition += "Display Folder: ";
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// if (hierarchy.DisplayFolder != null)
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// {
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// _objectDefinition += hierarchy.DisplayFolder;
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// }
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// if (_parentTabularModel.ComparisonInfo.OptionsInfo.OptionTranslations) _objectDefinition += ", ";
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//}
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//if (_parentTabularModel.ComparisonInfo.OptionsInfo.OptionTranslations)
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//{
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// _objectDefinition += "Hierarchy Translations: ";
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// if (hierarchy.Translations.Count > 0)
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// {
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// _objectDefinition += "[";
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// foreach (Translation hierarchyTranslation in hierarchy.Translations)
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// {
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// _objectDefinition += CultureInfo.GetCultureInfo(hierarchyTranslation.Language).DisplayName + ": " + hierarchyTranslation.Caption + ", ";
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// }
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// _objectDefinition = _objectDefinition.Substring(0, _objectDefinition.Length - 2) + "]";
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// }
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// if (_parentTabularModel.ComparisonInfo.OptionsInfo.OptionDisplayFolders)
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// {
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// _objectDefinition += ", Display Folder Translations: ";
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// if (hierarchy.Translations.Count > 0)
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// {
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// _objectDefinition += "[";
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// foreach (Translation hierarchyTranslation in hierarchy.Translations)
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// {
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// _objectDefinition += CultureInfo.GetCultureInfo(hierarchyTranslation.Language).DisplayName + ": " + hierarchyTranslation.DisplayFolder + ", ";
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// }
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// _objectDefinition = _objectDefinition.Substring(0, _objectDefinition.Length - 2) + "]";
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// }
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// }
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//}
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_objectDefinition += "\nLevels:\n";
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foreach (Level level in hierarchy.Levels)
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{
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_objectDefinition += " [" + level.Name + "]";
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//if (_parentTabularModel.ComparisonInfo.OptionsInfo.OptionTranslations && level.Name.Length + 4 < _spacing)
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//{
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// _objectDefinition += new String(' ', _spacing - level.Name.Length - 4);
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//}
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//if (_parentTabularModel.ComparisonInfo.OptionsInfo.OptionTranslations)
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//{
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// _objectDefinition += "Level Translations: ";
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// if (level.Translations.Count > 0)
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// {
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// _objectDefinition += "[";
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// foreach (Translation levelTranslation in level.Translations)
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// {
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// _objectDefinition += CultureInfo.GetCultureInfo(levelTranslation.Language).DisplayName + ": " + levelTranslation.Caption + ", ";
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// }
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// _objectDefinition = _objectDefinition.Substring(0, _objectDefinition.Length - 2) + "]";
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// }
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// if (_parentTabularModel.ComparisonInfo.OptionsInfo.OptionDisplayFolders)
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// {
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// _objectDefinition += ", Display Folder Translations: ";
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// if (level.Translations.Count > 0)
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// {
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// _objectDefinition += "[";
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// foreach (Translation levelTranslation in level.Translations)
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// {
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// _objectDefinition += CultureInfo.GetCultureInfo(levelTranslation.Language).DisplayName + ": " + levelTranslation.DisplayFolder + ", ";
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// }
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// _objectDefinition = _objectDefinition.Substring(0, _objectDefinition.Length - 2) + "]";
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// }
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// }
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//}
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_objectDefinition += "\n";
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}
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_objectDefinition += "\n";
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}
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}
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if (_amoCubeDimension != null)
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{
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_objectDefinition += "Format & Visibility:\nHidden:" + (!_amoCubeDimension.Visible).ToString();
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//if (_parentTabularModel.ComparisonInfo.OptionsInfo.OptionTranslations)
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//{
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// _objectDefinition += ", Table Translations: ";
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// if (_amoCubeDimension.Translations.Count > 0)
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// {
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// _objectDefinition += "[";
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// foreach (Translation tableTranslation in _amoCubeDimension.Translations)
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// {
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// _objectDefinition += CultureInfo.GetCultureInfo(tableTranslation.Language).DisplayName + ": " + tableTranslation.Caption + ", ";
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// }
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// _objectDefinition = _objectDefinition.Substring(0, _objectDefinition.Length - 2) + "]";
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// }
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|
// if (_parentTabularModel.ComparisonInfo.OptionsInfo.OptionDisplayFolders)
|
|||
|
|
// {
|
|||
|
|
// _objectDefinition += ", Display Folder Translations: ";
|
|||
|
|
// if (_amoCubeDimension.Translations.Count > 0)
|
|||
|
|
// {
|
|||
|
|
// _objectDefinition += "[";
|
|||
|
|
// foreach (Translation tableDisplayFolderTranslation in _amoCubeDimension.Translations)
|
|||
|
|
// {
|
|||
|
|
// _objectDefinition += CultureInfo.GetCultureInfo(tableDisplayFolderTranslation.Language).DisplayName + ": " + tableDisplayFolderTranslation.DisplayFolder + ", ";
|
|||
|
|
// }
|
|||
|
|
// _objectDefinition = _objectDefinition.Substring(0, _objectDefinition.Length - 2) + "]";
|
|||
|
|
// }
|
|||
|
|
// }
|
|||
|
|
//}
|
|||
|
|
|
|||
|
|
_objectDefinition += "\n";
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (_parentTabularModel.ComparisonInfo.OptionsInfo.OptionPartitions && _amoMeasureGroup != null)
|
|||
|
|
{
|
|||
|
|
_objectDefinition += "\nPartitions:\n";
|
|||
|
|
|
|||
|
|
List<string> partitionNames = new List<string>(); // put in here to sort
|
|||
|
|
foreach (Partition partition in _amoMeasureGroup.Partitions)
|
|||
|
|
{
|
|||
|
|
partitionNames.Add(partition.Name);
|
|||
|
|
}
|
|||
|
|
partitionNames.Sort();
|
|||
|
|
|
|||
|
|
foreach (string partitionName in partitionNames)
|
|||
|
|
{
|
|||
|
|
foreach (Partition partition in _amoMeasureGroup.Partitions)
|
|||
|
|
{
|
|||
|
|
if (partition.Name == partitionName)
|
|||
|
|
{
|
|||
|
|
_objectDefinition += "Name: [" + partition.Name + "]\nSQL:\n" + ((QueryBinding)partition.Source).QueryDefinition + "\n";
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
foreach (Microsoft.AnalysisServices.Relationship relationship in _amoDimension.Relationships)
|
|||
|
|
{
|
|||
|
|
_relationships.Add(new Relationship(this, relationship));
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private string SetColumnFormatAndVisibility(DimensionAttribute attribute)
|
|||
|
|
{
|
|||
|
|
string columnDef = "";
|
|||
|
|
|
|||
|
|
if (attribute != null && attribute.Annotations != null && attribute.Annotations.Contains("Format") && attribute.Annotations["Format"].Value.Attributes["Format"] != null)
|
|||
|
|
{
|
|||
|
|
switch (attribute.Annotations["Format"].Value.Attributes["Format"].Value)
|
|||
|
|
{
|
|||
|
|
case "General":
|
|||
|
|
columnDef += "Data Format: General";
|
|||
|
|
break;
|
|||
|
|
case "NumberDecimal":
|
|||
|
|
columnDef += "Data Format: Decimal Number" +
|
|||
|
|
(attribute.Annotations["Format"].Value.Attributes["Accuracy"] != null ? ", Decimal Places: " + attribute.Annotations["Format"].Value.Attributes["Accuracy"].Value : "") +
|
|||
|
|
(attribute.Annotations["Format"].Value.Attributes["ThousandSeparator"] != null ? ", Show Thousand Separator: " + attribute.Annotations["Format"].Value.Attributes["ThousandSeparator"].Value : "");
|
|||
|
|
break;
|
|||
|
|
case "NumberWhole":
|
|||
|
|
columnDef += "Data Format: Whole Number" +
|
|||
|
|
(attribute.Annotations["Format"].Value.Attributes["ThousandSeparator"] != null ? ", Show Thousand Separator: " + attribute.Annotations["Format"].Value.Attributes["ThousandSeparator"].Value : "");
|
|||
|
|
break;
|
|||
|
|
case "Percentage":
|
|||
|
|
columnDef += "Data Format: Percentage" +
|
|||
|
|
(attribute.Annotations["Format"].Value.Attributes["Accuracy"] != null ? ", Decimal Places: " + attribute.Annotations["Format"].Value.Attributes["Accuracy"].Value : "") +
|
|||
|
|
(attribute.Annotations["Format"].Value.Attributes["ThousandSeparator"] != null ? ", Show Thousand Separator: " + attribute.Annotations["Format"].Value.Attributes["ThousandSeparator"].Value : "");
|
|||
|
|
break;
|
|||
|
|
case "Scientific":
|
|||
|
|
columnDef += "Data Format: Scientific" +
|
|||
|
|
(attribute.Annotations["Format"].Value.Attributes["Accuracy"] != null ? ", Decimal Places: " + attribute.Annotations["Format"].Value.Attributes["Accuracy"].Value : "");
|
|||
|
|
break;
|
|||
|
|
case "Currency":
|
|||
|
|
columnDef += "Data Format: Currency" +
|
|||
|
|
(attribute.Annotations["Format"].Value.Attributes["Accuracy"] != null ? ", Decimal Places: " + attribute.Annotations["Format"].Value.Attributes["Accuracy"].Value : "") +
|
|||
|
|
(attribute.Annotations["Format"].Value.HasChildNodes &&
|
|||
|
|
attribute.Annotations["Format"].Value.ChildNodes[0].Attributes["DisplayName"] != null
|
|||
|
|
? ", Currency Symbol: " + attribute.Annotations["Format"].Value.ChildNodes[0].Attributes["DisplayName"].Value : "");
|
|||
|
|
break;
|
|||
|
|
case "DateTimeCustom":
|
|||
|
|
columnDef += "Data Format: Date" +
|
|||
|
|
(attribute.Annotations["Format"].Value.HasChildNodes &&
|
|||
|
|
attribute.Annotations["Format"].Value.ChildNodes[0].HasChildNodes &&
|
|||
|
|
attribute.Annotations["Format"].Value.ChildNodes[0].ChildNodes[0].Attributes["FormatString"] != null
|
|||
|
|
? ", Date Format: " + attribute.Annotations["Format"].Value.ChildNodes[0].ChildNodes[0].Attributes["FormatString"].Value : "");
|
|||
|
|
break;
|
|||
|
|
case "DateTimeGeneral":
|
|||
|
|
columnDef += "Data Format: General";
|
|||
|
|
break;
|
|||
|
|
case "Text":
|
|||
|
|
columnDef += "Data Format: Text";
|
|||
|
|
break;
|
|||
|
|
case "Boolean":
|
|||
|
|
columnDef += "Data Format: TRUE/FALSE";
|
|||
|
|
break;
|
|||
|
|
default:
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
// Sometimes annotations are not populated, so just show the default formats (which are text/general)
|
|||
|
|
switch (attribute.KeyColumns[0].DataType)
|
|||
|
|
{
|
|||
|
|
case System.Data.OleDb.OleDbType.WChar:
|
|||
|
|
columnDef += "Data Format: Text";
|
|||
|
|
break;
|
|||
|
|
case System.Data.OleDb.OleDbType.BigInt:
|
|||
|
|
case System.Data.OleDb.OleDbType.Integer:
|
|||
|
|
case System.Data.OleDb.OleDbType.SmallInt:
|
|||
|
|
case System.Data.OleDb.OleDbType.Double:
|
|||
|
|
case System.Data.OleDb.OleDbType.Currency:
|
|||
|
|
case System.Data.OleDb.OleDbType.Date:
|
|||
|
|
case System.Data.OleDb.OleDbType.Binary:
|
|||
|
|
columnDef += "Data Format: General";
|
|||
|
|
break;
|
|||
|
|
case System.Data.OleDb.OleDbType.Boolean:
|
|||
|
|
columnDef += "Data Format: TRUE/FALSE";
|
|||
|
|
break;
|
|||
|
|
default:
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
columnDef += ", Hidden: " + (!attribute.AttributeHierarchyVisible).ToString();
|
|||
|
|
|
|||
|
|
//if (_parentTabularModel.ComparisonInfo.OptionsInfo.OptionDisplayFolders)
|
|||
|
|
//{
|
|||
|
|
// columnDef += ", Display Folder: ";
|
|||
|
|
// if (attribute.AttributeHierarchyDisplayFolder != null)
|
|||
|
|
// {
|
|||
|
|
// columnDef += attribute.AttributeHierarchyDisplayFolder;
|
|||
|
|
// }
|
|||
|
|
//}
|
|||
|
|
|
|||
|
|
//if (_parentTabularModel.ComparisonInfo.OptionsInfo.OptionTranslations)
|
|||
|
|
//{
|
|||
|
|
// columnDef += ", Column Translations: ";
|
|||
|
|
// if (attribute.Translations.Count > 0)
|
|||
|
|
// {
|
|||
|
|
// columnDef += "[";
|
|||
|
|
// foreach (AttributeTranslation attributeTranslation in attribute.Translations)
|
|||
|
|
// {
|
|||
|
|
// columnDef += CultureInfo.GetCultureInfo(attributeTranslation.Language).DisplayName + ": " + attributeTranslation.Caption + ", ";
|
|||
|
|
// }
|
|||
|
|
// columnDef = columnDef.Substring(0, columnDef.Length - 2) + "]";
|
|||
|
|
// }
|
|||
|
|
|
|||
|
|
// if (_parentTabularModel.ComparisonInfo.OptionsInfo.OptionDisplayFolders)
|
|||
|
|
// {
|
|||
|
|
// columnDef += ", Display Folder Translations: ";
|
|||
|
|
// if (attribute.Translations.Count > 0)
|
|||
|
|
// {
|
|||
|
|
// columnDef += "[";
|
|||
|
|
// foreach (AttributeTranslation attributeTranslation in attribute.Translations)
|
|||
|
|
// {
|
|||
|
|
// columnDef += CultureInfo.GetCultureInfo(attributeTranslation.Language).DisplayName + ": " + attributeTranslation.DisplayFolder + ", ";
|
|||
|
|
// }
|
|||
|
|
// columnDef = columnDef.Substring(0, columnDef.Length - 2) + "]";
|
|||
|
|
// }
|
|||
|
|
// }
|
|||
|
|
//}
|
|||
|
|
|
|||
|
|
return columnDef;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#region Actions: Relationships
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Delete relationship associated with the Table object.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="relationshipId">The Id of the relationship to be deleted.</param>
|
|||
|
|
public void DeleteRelationship(string relationshipId)
|
|||
|
|
{
|
|||
|
|
if (_amoDimension.Relationships.Contains(relationshipId))
|
|||
|
|
{
|
|||
|
|
_amoDimension.Relationships.Remove(relationshipId);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// shell model
|
|||
|
|
if (_relationships.ContainsId(relationshipId))
|
|||
|
|
{
|
|||
|
|
_relationships.RemoveById(relationshipId);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Clear all relationships for the Table object.
|
|||
|
|
/// </summary>
|
|||
|
|
public void ClearRelationships()
|
|||
|
|
{
|
|||
|
|
_amoDimension.Relationships.Clear();
|
|||
|
|
|
|||
|
|
// shell model
|
|||
|
|
_relationships.Clear();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Create a relationship for the Table object.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="relationshipSource"></param>
|
|||
|
|
/// <param name="parentDimSource"></param>
|
|||
|
|
/// <param name="relationshipName"></param>
|
|||
|
|
/// <param name="warningMessage"></param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public bool CreateRelationship(Relationship relationshipSource, Dimension parentDimSource, string relationshipName, ref string warningMessage)
|
|||
|
|
=> this.CreateRelationship(relationshipSource.AmoRelationship, parentDimSource, relationshipName, ref warningMessage, relationshipSource.IsActive);
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Create a relationship for the Table object.
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="amoRelationshipSource"></param>
|
|||
|
|
/// <param name="parentDimSource"></param>
|
|||
|
|
/// <param name="relationshipName"></param>
|
|||
|
|
/// <param name="warningMessage"></param>
|
|||
|
|
/// <param name="active"></param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public bool CreateRelationship(Microsoft.AnalysisServices.Relationship amoRelationshipSource, Dimension parentDimSource, string relationshipName, ref string warningMessage, bool active)
|
|||
|
|
{
|
|||
|
|
// Do the required tables exist?
|
|||
|
|
|
|||
|
|
// Child table is guaranteed to exist - we are in an instance of it. Just need to ensure the FromRelationshipEnd.DimensionID is correct
|
|||
|
|
amoRelationshipSource.FromRelationshipEnd.DimensionID = _amoDimension.ID;
|
|||
|
|
|
|||
|
|
// Parent table need to check ...
|
|||
|
|
if (_parentTabularModel.Tables.ContainsName(parentDimSource.Name))
|
|||
|
|
{
|
|||
|
|
//plug in the substitute id for the parent and move on with my life (I have a life you know)
|
|||
|
|
amoRelationshipSource.ToRelationshipEnd.DimensionID = _parentTabularModel.Tables.FindByName(parentDimSource.Name).Id;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
warningMessage = "Unable to create Relationship " + relationshipName + " because (considering changes) parent table not found in target model.";
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
Dimension childDimSource = (Dimension)amoRelationshipSource.Parent;
|
|||
|
|
Dimension childDimTarget = _amoDimension;
|
|||
|
|
//Dimension parentDimSource = ... //had to pass in as parameter
|
|||
|
|
Dimension parentDimTarget = _parentTabularModel.Tables.FindById(amoRelationshipSource.ToRelationshipEnd.DimensionID).AmoDimension;
|
|||
|
|
|
|||
|
|
// do the required columns exist?
|
|||
|
|
Microsoft.AnalysisServices.Relationship amoRelationshipSourceTemp = null; // can't modify attribute values while in dim collection, so (might) need a temporary holder
|
|||
|
|
|
|||
|
|
foreach (RelationshipEndAttribute childDimAttributeSource in amoRelationshipSource.FromRelationshipEnd.Attributes)
|
|||
|
|
{
|
|||
|
|
DimensionAttribute childDimAttributeTarget = childDimTarget.Attributes.FindByName(childDimSource.Attributes[childDimAttributeSource.AttributeID].Name);
|
|||
|
|
if (childDimAttributeTarget == null)
|
|||
|
|
{
|
|||
|
|
warningMessage = "Unable to create Relationship " + relationshipName + " because (considering changes) child column not found in target model.";
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// just in case the attribute ids are not the same between source/target (though obviously the names are the same), then set the correct id (below) in the source relationship and everything will just work
|
|||
|
|
if (childDimAttributeSource.AttributeID != childDimAttributeTarget.ID)
|
|||
|
|
{
|
|||
|
|
amoRelationshipSourceTemp = amoRelationshipSource.Clone();
|
|||
|
|
RelationshipEndAttribute childDimAttributeSourceTemp = childDimAttributeSource.Clone();
|
|||
|
|
childDimAttributeSourceTemp.AttributeID = childDimAttributeTarget.ID;
|
|||
|
|
amoRelationshipSourceTemp.FromRelationshipEnd.Attributes.Remove(childDimAttributeSource.AttributeID);
|
|||
|
|
amoRelationshipSourceTemp.FromRelationshipEnd.Attributes.Add(childDimAttributeSourceTemp);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// now check parent columns
|
|||
|
|
foreach (RelationshipEndAttribute parentDimAttributeSource in amoRelationshipSource.ToRelationshipEnd.Attributes)
|
|||
|
|
{
|
|||
|
|
if (!parentDimSource.Attributes.Contains(parentDimAttributeSource.AttributeID))
|
|||
|
|
{
|
|||
|
|
warningMessage = "Unable to create Relationship " + relationshipName + " because (considering changes) parent column not found in target model.";
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
DimensionAttribute parentDimAttributeTarget = parentDimTarget.Attributes.FindByName(parentDimSource.Attributes[parentDimAttributeSource.AttributeID].Name);
|
|||
|
|
if (parentDimAttributeTarget == null)
|
|||
|
|
{
|
|||
|
|
warningMessage = "Unable to create Relationship " + relationshipName + " because (considering changes) parent column not found in target model.";
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
////does the parent column allow non-unique values? (if so, won't work as a parent in the relationship)
|
|||
|
|
//if (!( parentDimTarget.Attributes.Contains("RowNumber") &&
|
|||
|
|
// parentDimTarget.Attributes["RowNumber"].AttributeRelationships.Contains(parentDimAttributeTarget.ID) &&
|
|||
|
|
// parentDimTarget.Attributes["RowNumber"].AttributeRelationships[parentDimAttributeTarget.ID].Cardinality == Cardinality.One ))
|
|||
|
|
//{
|
|||
|
|
// warningMessage = "Unable to create Relationship " + relationshipName + " because (considering changes) parent column allows non-unique values.";
|
|||
|
|
// return false;
|
|||
|
|
//}
|
|||
|
|
|
|||
|
|
// just in case the attribute ids are not the same between source/target (though obviously the names are the same), then set the correct id (below) in the source relationship and everything will just work
|
|||
|
|
if (parentDimAttributeSource.AttributeID != parentDimAttributeTarget.ID)
|
|||
|
|
{
|
|||
|
|
if (amoRelationshipSourceTemp == null)
|
|||
|
|
{
|
|||
|
|
amoRelationshipSourceTemp = amoRelationshipSource.Clone();
|
|||
|
|
}
|
|||
|
|
RelationshipEndAttribute parentDimAttributeSourceTemp = parentDimAttributeSource.Clone();
|
|||
|
|
parentDimAttributeSourceTemp.AttributeID = parentDimAttributeTarget.ID;
|
|||
|
|
amoRelationshipSourceTemp.ToRelationshipEnd.Attributes.Remove(parentDimAttributeSource.AttributeID);
|
|||
|
|
amoRelationshipSourceTemp.ToRelationshipEnd.Attributes.Add(parentDimAttributeSourceTemp);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (amoRelationshipSourceTemp != null) //i.e. we had to replace at least one attribute id
|
|||
|
|
{
|
|||
|
|
childDimSource.Relationships.Remove(amoRelationshipSource.ID);
|
|||
|
|
childDimSource.Relationships.Add(amoRelationshipSourceTemp);
|
|||
|
|
amoRelationshipSource = amoRelationshipSourceTemp;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// is there already a relationship with the same tables/columns?
|
|||
|
|
bool foundMatch = false;
|
|||
|
|
foreach (Relationship relationshipTarget in _relationships)
|
|||
|
|
{
|
|||
|
|
// has same parent table?
|
|||
|
|
if (relationshipTarget.AmoRelationship.ToRelationshipEnd.DimensionID == amoRelationshipSource.ToRelationshipEnd.DimensionID)
|
|||
|
|
{
|
|||
|
|
// check columns
|
|||
|
|
bool columnsMatch = true;
|
|||
|
|
|
|||
|
|
foreach (RelationshipEndAttribute attribute in amoRelationshipSource.FromRelationshipEnd.Attributes)
|
|||
|
|
{
|
|||
|
|
if (!relationshipTarget.AmoRelationship.FromRelationshipEnd.Attributes.Contains(attribute.AttributeID))
|
|||
|
|
{
|
|||
|
|
columnsMatch = false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
foreach (RelationshipEndAttribute attribute in amoRelationshipSource.ToRelationshipEnd.Attributes)
|
|||
|
|
{
|
|||
|
|
if (!relationshipTarget.AmoRelationship.ToRelationshipEnd.Attributes.Contains(attribute.AttributeID))
|
|||
|
|
{
|
|||
|
|
columnsMatch = false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (columnsMatch) foundMatch = true;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if (foundMatch)
|
|||
|
|
{
|
|||
|
|
warningMessage = "Unable to create Relationship " + relationshipName + " because (considering changes) relationship already exists in target model.";
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// at this point we know we will add the relationship, but need to check that parent column only allows unique values. If not, change it.
|
|||
|
|
foreach (RelationshipEndAttribute parentDimAttributeSource in amoRelationshipSource.ToRelationshipEnd.Attributes)
|
|||
|
|
{
|
|||
|
|
DimensionAttribute parentDimAttributeTarget = parentDimTarget.Attributes.FindByName(parentDimSource.Attributes[parentDimAttributeSource.AttributeID].Name);
|
|||
|
|
//(already checked for existence of parentDimAttributeTarget above)
|
|||
|
|
if (parentDimTarget.Attributes.Contains("RowNumber") &&
|
|||
|
|
parentDimTarget.Attributes["RowNumber"].AttributeRelationships.Contains(parentDimAttributeTarget.ID) &&
|
|||
|
|
parentDimTarget.Attributes["RowNumber"].AttributeRelationships[parentDimAttributeTarget.ID].Cardinality != Cardinality.One)
|
|||
|
|
{
|
|||
|
|
parentDimTarget.Attributes["RowNumber"].AttributeRelationships[parentDimAttributeTarget.ID].Cardinality = Cardinality.One;
|
|||
|
|
foreach (DataItem di in parentDimAttributeTarget.KeyColumns)
|
|||
|
|
{
|
|||
|
|
di.NullProcessing = NullProcessing.Error;
|
|||
|
|
}
|
|||
|
|
if (_parentTabularModel.AmoDatabase.Cubes.Count > 0)
|
|||
|
|
{
|
|||
|
|
foreach (MeasureGroup mg in _parentTabularModel.AmoDatabase.Cubes[0].MeasureGroups)
|
|||
|
|
{
|
|||
|
|
if (mg.ID == parentDimTarget.ID)
|
|||
|
|
{
|
|||
|
|
foreach (MeasureGroupDimension mgd in mg.Dimensions)
|
|||
|
|
{
|
|||
|
|
if (mgd.CubeDimensionID == parentDimTarget.ID && mgd is DegenerateMeasureGroupDimension)
|
|||
|
|
{
|
|||
|
|
foreach (MeasureGroupAttribute mga in ((DegenerateMeasureGroupDimension)mgd).Attributes)
|
|||
|
|
{
|
|||
|
|
if (mga.AttributeID == parentDimAttributeTarget.ID)
|
|||
|
|
{
|
|||
|
|
mga.KeyColumns[0].NullProcessing = NullProcessing.Error;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// at this point we know we will add the relationship
|
|||
|
|
Microsoft.AnalysisServices.Relationship relationshipClone = amoRelationshipSource.Clone();
|
|||
|
|
|
|||
|
|
// but first check if there is an existing relationship with same id
|
|||
|
|
if (_parentTabularModel.ContainsRelationship(relationshipClone.ID))
|
|||
|
|
{
|
|||
|
|
//Id already exists, but still need to add because different definition - this is due to clever clog users changing table names that were originially in both source and target
|
|||
|
|
string oldRelationshipId = relationshipClone.ID;
|
|||
|
|
relationshipClone.ID = Convert.ToString(Guid.NewGuid());
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (active && !_parentTabularModel.ActiveRelationshipIds.Contains(relationshipClone.ID))
|
|||
|
|
{
|
|||
|
|
_parentTabularModel.ActiveRelationshipIds.Add(relationshipClone.ID);
|
|||
|
|
}
|
|||
|
|
_amoDimension.Relationships.Add(relationshipClone);
|
|||
|
|
_relationships.Add(new Relationship(this, relationshipClone, copiedFromSource: true));
|
|||
|
|
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
public override string ToString() => this.GetType().FullName;
|
|||
|
|
}
|
|||
|
|
}
|