193 lines
7.2 KiB
C#
193 lines
7.2 KiB
C#
// Authors:
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// Rafael Mizrahi <rafim@mainsoft.com>
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// Erez Lotan <erezl@mainsoft.com>
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// Oren Gurfinkel <oreng@mainsoft.com>
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// Ofer Borstein
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//
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// Copyright (c) 2004 Mainsoft Co.
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Data;
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using System.IO;
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using System.Collections;
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// Provide All Data required by the diffderent tests e.g.DataTable, DataRow ...
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namespace MonoTests.System.Data.Utils
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{
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public class DataProvider
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{
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#region Constatntas
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#region Private
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//A string containing all printable charachters.
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private const string SAMPLE_STRING = "abcdefghijklmnopqrstuvwxyz1234567890~!@#$%^&*()_+-=[]\\|;:,./<>? ";
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#endregion
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#endregion
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public static DataTable CreateChildDataTable()
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{
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DataTable dtChild = new DataTable("Child");
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dtChild.Columns.Add("ParentId",typeof(int));
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dtChild.Columns.Add("ChildId",typeof(int));
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dtChild.Columns.Add("String1",typeof(string));
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dtChild.Columns.Add("String2",typeof(string));
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dtChild.Columns.Add("ChildDateTime",typeof(DateTime));
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dtChild.Columns.Add("ChildDouble",typeof(double));
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dtChild.Rows.Add(new object[] {1,1,"1-String1","1-String2",new DateTime(2000,1,1,0,0,0,0),1.534});
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dtChild.Rows.Add(new object[] {1,2,"2-String1","2-String2",DateTime.MaxValue ,-1.534});
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dtChild.Rows.Add(new object[] {1,3,"3-String1","3-String2",DateTime.MinValue,double.MaxValue/10000});
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dtChild.Rows.Add(new object[] {2,1,"1-String1","1-String2",new DateTime(1973,6,20,0,0,0,0),double.MinValue*10000});
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dtChild.Rows.Add(new object[] {2,2,"2-String1","2-String2",new DateTime(2008,12,1,13,59,59,59),0.45});
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dtChild.Rows.Add(new object[] {2,3,"3-String1","3-String2",new DateTime(2003,1,1,1,1,1,1),0.55});
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dtChild.Rows.Add(new object[] {5,1,"1-String1","1-String2",new DateTime(2002,1,1,1,1,1,1),0});
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dtChild.Rows.Add(new object[] {5,2,"2-String1","2-String2",new DateTime(2001,1,1,1,1,1,1),10});
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dtChild.Rows.Add(new object[] {5,3,"3-String1","3-String2",new DateTime(2000,1,1,1,1,1,1),20});
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dtChild.Rows.Add(new object[] {6,1,"1-String1","1-String2",new DateTime(2000,1,1,1,1,1,0),25});
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dtChild.Rows.Add(new object[] {6,2,"2-String1","2-String2",new DateTime(2000,1,1,1,1,0,0),30});
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dtChild.Rows.Add(new object[] {6,3,"3-String1","3-String2",new DateTime(2000,1,1,0,0,0,0),35});
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dtChild.AcceptChanges();
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return dtChild;
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}
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public static DataTable CreateParentDataTable()
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{
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DataTable dtParent = new DataTable("Parent");
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dtParent.Columns.Add("ParentId",typeof(int));
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dtParent.Columns.Add("String1",typeof(string));
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dtParent.Columns.Add("String2",typeof(string));
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dtParent.Columns.Add("ParentDateTime",typeof(DateTime));
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dtParent.Columns.Add("ParentDouble",typeof(double));
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dtParent.Columns.Add("ParentBool",typeof(bool));
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dtParent.Rows.Add(new object[] {1,"1-String1","1-String2",new DateTime(2005,1,1,0,0,0,0),1.534,true});
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dtParent.Rows.Add(new object[] {2,"2-String1","2-String2",new DateTime(2004,1,1,0,0,0,1),-1.534,true});
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dtParent.Rows.Add(new object[] {3,"3-String1","3-String2",new DateTime(2003,1,1,0,0,1,0),double.MinValue*10000,false});
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dtParent.Rows.Add(new object[] {4,"4-String1","4-String2",new DateTime(2002,1,1,0,1,0,0),double.MaxValue/10000,true});
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dtParent.Rows.Add(new object[] {5,"5-String1","5-String2",new DateTime(2001,1,1,1,0,0,0),0.755,true});
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dtParent.Rows.Add(new object[] {6,"6-String1","6-String2",new DateTime(2000,1,1,0,0,0,0),0.001,false});
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dtParent.AcceptChanges();
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return dtParent;
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}
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//This method replace the DataSet GetXmlSchema method
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//used to compare DataSets
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//Created by Ofer (13-Nov-03) becuase DataSet GetXmlSchema method is not yet implemented in java
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public static string GetDSSchema(DataSet ds)
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{
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string strSchema = "DataSet Name=" + ds.DataSetName + "\n";
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//Get relations
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foreach (DataRelation dl in ds.Relations)
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{
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strSchema += "\t" + "DataRelation Name=" + dl.RelationName ;
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foreach (DataColumn dc in dl.ParentColumns)
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strSchema += "\t" + "ParentColummn=" + dc.ColumnName ;
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foreach (DataColumn dc in dl.ChildColumns )
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strSchema += "\t" + "ChildColumn=" + dc.ColumnName ;
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strSchema += "\n";
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}
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//Get teables
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foreach (DataTable dt in ds.Tables)
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{
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strSchema += "Table=" + dt.TableName + "\t";
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//Get Constraints
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strSchema += "Constraints =";
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foreach (Constraint cs in dt.Constraints )
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strSchema += cs.GetType().Name + ", ";
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strSchema += "\n";
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//Get PrimaryKey Columns
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strSchema += "PrimaryKey Columns index:=";
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foreach (DataColumn dc in dt.PrimaryKey)
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strSchema += dc.Ordinal + ", ";
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strSchema += "\n";
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//Get Columns
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foreach (DataColumn dc in dt.Columns)
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{
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strSchema += "ColumnName=" + dc.ColumnName + "\t" +
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"ColumnType=" + dc.DataType.Name + "\t" +
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"AllowDBNull=" + dc.AllowDBNull.ToString() + "\t" +
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"DefaultValue=" + dc.DefaultValue.ToString() + "\t" +
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"Unique=" + dc.Unique.ToString() + "\t" +
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"ReadOnly=" + dc.ReadOnly.ToString() + "\n" ;
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}
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strSchema += "\n";
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}
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return strSchema;
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}
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public static DataTable CreateUniqueConstraint()
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{
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DataTable dt = DataProvider.CreateParentDataTable();
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return CreateUniqueConstraint(dt);
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}
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public static DataTable CreateUniqueConstraint(DataTable dt)
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{
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Constraint con = new UniqueConstraint(dt.Columns["ParentId"]);
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dt.Constraints.Add(con);
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return dt;
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}
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public static void TryToBreakUniqueConstraint()
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{
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//Create the constraint
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DataTable dt = CreateUniqueConstraint();
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//Try to violate the constraint
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DataRow dr1 = dt.NewRow();
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dr1[0] = 1;
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dt.Rows.Add(dr1);
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}
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public static DataSet CreateForigenConstraint()
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{
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DataTable parent = DataProvider.CreateParentDataTable();
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DataTable child = DataProvider.CreateChildDataTable();
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DataSet ds = new DataSet();
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ds.Tables.Add(parent);
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ds.Tables.Add(child);
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Constraint con1 = new ForeignKeyConstraint(parent.Columns[0],child.Columns[0]);
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child.Constraints.Add(con1);
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return ds;
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}
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public static void TryToBreakForigenConstraint()
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{
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DataSet ds = CreateForigenConstraint();
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//Code to break:
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DataRow dr = ds.Tables[1].NewRow();
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dr[0]=7;
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ds.Tables[1].Rows.Add(dr);
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ds.AcceptChanges();
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ds.EnforceConstraints=true;
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}
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}
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}
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