[Test] public void Equals_O()
{
DataSet ds = new DataSet();
DataTable dtParent = DataProvider.CreateParentDataTable();
ds.Tables.Add(dtParent);
UniqueConstraint uc1,uc2;
uc1 = new UniqueConstraint(dtParent.Columns[0]);
uc2 = new UniqueConstraint(dtParent.Columns[1]);
// different columnn
Assert.AreEqual(false, uc1.Equals(uc2), "UC3");
//Two System.Data.ForeignKeyConstraint are equal if they constrain the same columns.
// same column
uc2 = new UniqueConstraint(dtParent.Columns[0]);
Assert.AreEqual(true, uc1.Equals(uc2), "UC4");
}
private object[] SetupSchemaWithKeyInfo(MissingMappingAction mappingAction, MissingSchemaAction schemaAction, bool gettingData, DataColumn parentChapterColumn, object chapterValue)
{
DbSchemaRow[] sortedSchemaRows = DbSchemaRow.GetSortedSchemaRows(this._schemaTable, this._dataReader.ReturnProviderSpecificTypes);
if (sortedSchemaRows.Length == 0)
{
this._dataTable = null;
return null;
}
bool flag = (this._dataTable.PrimaryKey.Length == 0 && this._dataTable.Rows.Count == 0) || 0 == this._dataTable.Columns.Count;
DataColumn[] array = null;
int num = 0;
bool flag2 = true;
string text = null;
string text2 = null;
bool flag3 = false;
bool flag4 = false;
int[] array2 = null;
bool[] array3 = null;
int num2 = 0;
object[] result = null;
List<object> items = null;
DataColumnCollection columns = this._dataTable.Columns;
try
{
for (int i = 0; i < sortedSchemaRows.Length; i++)
{
DbSchemaRow dbSchemaRow = sortedSchemaRows[i];
int unsortedIndex = dbSchemaRow.UnsortedIndex;
bool flag5 = false;
Type type = dbSchemaRow.DataType;
if (null == type)
{
type = this._dataReader.GetFieldType(i);
}
if (null == type)
{
throw new Exception("MissingDataReaderFieldType");
}
if (typeof(IDataReader).IsAssignableFrom(type))
{
if (array3 == null)
{
array3 = new bool[sortedSchemaRows.Length];
}
flag5 = (array3[unsortedIndex] = true);
type = typeof(int);
}
else
{
if (typeof(SqlXml).IsAssignableFrom(type))
{
if (this._xmlMap == null)
{
this._xmlMap = new int[sortedSchemaRows.Length];
}
this._xmlMap[i] = 1;
}
else
{
if (typeof(XmlReader).IsAssignableFrom(type))
{
type = typeof(string);
if (this._xmlMap == null)
{
this._xmlMap = new int[sortedSchemaRows.Length];
}
this._xmlMap[i] = 2;
}
}
}
DataColumn dataColumn = null;
if (!dbSchemaRow.IsHidden)
{
dataColumn = this._tableMapping.GetDataColumn(this._fieldNames[i], type, this._dataTable, mappingAction, schemaAction);
}
string baseTableName = dbSchemaRow.BaseTableName;
if (dataColumn == null)
{
if (array2 == null)
{
array2 = this.CreateIndexMap(sortedSchemaRows.Length, unsortedIndex);
}
array2[unsortedIndex] = -1;
if (dbSchemaRow.IsKey && (flag3 || dbSchemaRow.BaseTableName == text))
{
flag = false;
array = null;
}
}
else
{
if (this._xmlMap != null && this._xmlMap[i] != 0)
{
if (typeof(SqlXml) == dataColumn.DataType)
{
this._xmlMap[i] = 1;
}
else
{
if (typeof(XmlDocument) == dataColumn.DataType)
{
this._xmlMap[i] = 2;
}
else
{
this._xmlMap[i] = 0;
int num3 = 0;
for (int j = 0; j < this._xmlMap.Length; j++)
{
num3 += this._xmlMap[j];
}
if (num3 == 0)
{
this._xmlMap = null;
}
}
}
}
if (dbSchemaRow.IsKey && baseTableName != text)
{
if (text == null)
{
text = baseTableName;
}
else
{
flag3 = true;
}
}
if (flag5)
{
if (dataColumn.Table == null)
{
dataColumn.AllowDBNull = false;
dataColumn.AutoIncrement = true;
dataColumn.ReadOnly = true;
}
else
{
if (!dataColumn.AutoIncrement)
{
throw new Exception("FillChapterAutoIncrement");
}
}
}
else
{
if (!flag4 && baseTableName != text2 && !string.IsNullOrEmpty(baseTableName))
{
if (text2 == null)
{
text2 = baseTableName;
}
else
{
flag4 = true;
}
}
if (dbSchemaRow.IsAutoIncrement && IsAutoIncrementType(type))
{
dataColumn.AutoIncrement = true;
if (!dbSchemaRow.AllowDBNull)
{
dataColumn.AllowDBNull = false;
}
}
if (type == typeof(string))
{
dataColumn.MaxLength = ((dbSchemaRow.Size > 0) ? dbSchemaRow.Size : -1);
}
if (dbSchemaRow.IsReadOnly)
{
dataColumn.ReadOnly = true;
}
if (!dbSchemaRow.AllowDBNull && (!dbSchemaRow.IsReadOnly || dbSchemaRow.IsKey))
{
dataColumn.AllowDBNull = false;
}
if (dbSchemaRow.IsUnique && !dbSchemaRow.IsKey && !type.IsArray)
{
dataColumn.Unique = true;
if (!dbSchemaRow.AllowDBNull)
{
dataColumn.AllowDBNull = false;
}
}
}
if (dataColumn.Table == null)
{
this.AddAdditionalProperties(dataColumn, dbSchemaRow.DataRow);
this.AddItemToAllowRollback(ref items, dataColumn);
columns.Add(dataColumn);
}
if (flag && dbSchemaRow.IsKey)
{
if (array == null)
{
array = new DataColumn[sortedSchemaRows.Length];
}
array[num++] = dataColumn;
if (flag2 && dataColumn.AllowDBNull)
{
flag2 = false;
}
}
if (array2 != null)
{
array2[unsortedIndex] = dataColumn.Ordinal;
}
else
{
if (unsortedIndex != dataColumn.Ordinal)
{
array2 = this.CreateIndexMap(sortedSchemaRows.Length, unsortedIndex);
array2[unsortedIndex] = dataColumn.Ordinal;
}
}
num2++;
}
}
bool flag6 = false;
DataColumn dataColumn2 = null;
if (chapterValue != null)
{
Type type2 = chapterValue.GetType();
dataColumn2 = this._tableMapping.GetDataColumn(this._tableMapping.SourceTable, type2, this._dataTable, mappingAction, schemaAction);
if (dataColumn2 != null)
{
if (dataColumn2.Table == null)
{
dataColumn2.ReadOnly = true;
dataColumn2.AllowDBNull = false;
this.AddItemToAllowRollback(ref items, dataColumn2);
columns.Add(dataColumn2);
flag6 = (null != parentChapterColumn);
}
num2++;
}
}
if (0 < num2)
{
if (this._dataSet != null && this._dataTable.DataSet == null)
{
this.AddItemToAllowRollback(ref items, this._dataTable);
this._dataSet.Tables.Add(this._dataTable);
}
if (flag && array != null)
{
if (num < array.Length)
{
array = this.ResizeColumnArray(array, num);
}
if (flag2)
{
this._dataTable.PrimaryKey = array;
}
else
{
UniqueConstraint uniqueConstraint = new UniqueConstraint("", array);
ConstraintCollection constraints = this._dataTable.Constraints;
int count = constraints.Count;
for (int k = 0; k < count; k++)
{
if (uniqueConstraint.Equals(constraints[k]))
{
uniqueConstraint = null;
break;
}
}
if (uniqueConstraint != null)
{
constraints.Add(uniqueConstraint);
}
}
}
if (!flag4 && !string.IsNullOrEmpty(text2) && string.IsNullOrEmpty(this._dataTable.TableName))
{
this._dataTable.TableName = text2;
}
if (gettingData)
{
this._indexMap = array2;
this._chapterMap = array3;
result = this.SetupMapping(sortedSchemaRows.Length, columns, dataColumn2, chapterValue);
}
else
{
this._mappedMode = -1;
}
}
else
{
this._dataTable = null;
}
if (flag6)
{
this.AddRelation(parentChapterColumn, dataColumn2);
}
}
catch (Exception e)
{
this.RollbackAddedItems(items);
throw e;
}
return result;
}
private object[] SetupSchemaWithKeyInfo(MissingMappingAction mappingAction, MissingSchemaAction schemaAction, bool gettingData, DataColumn parentChapterColumn, object chapterValue) {
// must sort rows from schema table by ordinal because Jet is sorted by coumn name
DbSchemaRow[] schemaRows = DbSchemaRow.GetSortedSchemaRows(_schemaTable, _dataReader.ReturnProviderSpecificTypes); // MDAC 60609
Debug.Assert(null != schemaRows, "SchemaSetup - null DbSchemaRow[]");
Debug.Assert(_dataReader.FieldCount <= schemaRows.Length, "unexpected fewer rows in Schema than FieldCount");
if (0 == schemaRows.Length) {
_dataTable = null;
return (object[])null;
}
// Everett behavior, always add a primary key if a primary key didn't exist before
// Whidbey behavior, same as Everett unless using LoadOption then add primary key only if no columns previously existed
bool addPrimaryKeys = (((0 == _dataTable.PrimaryKey.Length) && ((4 <= (int)_loadOption) || (0 == _dataTable.Rows.Count)))
|| (0 == _dataTable.Columns.Count)); // MDAC 67033
DataColumn[] keys = null;
int keyCount = 0;
bool isPrimary = true; // assume key info (if any) is about a primary key
string keyBaseTable = null;
string commonBaseTable = null;
bool keyFromMultiTable = false;
bool commonFromMultiTable = false;
int[] columnIndexMap = null;
bool[] chapterIndexMap = null;
int mappingCount = 0;
object[] dataValues = null;
List<object> addedItems = null;
DataColumnCollection columnCollection = _dataTable.Columns;
try {
for(int sortedIndex = 0; sortedIndex < schemaRows.Length; ++sortedIndex) {
DbSchemaRow schemaRow = schemaRows[sortedIndex];
int unsortedIndex = schemaRow.UnsortedIndex; // MDAC 67050
bool ischapter = false;
Type fieldType = schemaRow.DataType;
if (null == fieldType) {
fieldType = _dataReader.GetFieldType(sortedIndex);
}
if (null == fieldType) {
throw ADP.MissingDataReaderFieldType(sortedIndex);
}
// if IDataReader, hierarchy exists and we will use an Int32,AutoIncrementColumn in this table
if (typeof(IDataReader).IsAssignableFrom(fieldType)) {
if (null == chapterIndexMap) {
chapterIndexMap = new bool[schemaRows.Length];
}
chapterIndexMap[unsortedIndex] = ischapter = true;
fieldType = typeof(Int32);
}
else if (typeof(System.Data.SqlTypes.SqlXml).IsAssignableFrom(fieldType)) {
if (null == _xmlMap) {
_xmlMap = new int[schemaRows.Length];
}
_xmlMap[sortedIndex] = SqlXml;
}
else if (typeof(System.Xml.XmlReader).IsAssignableFrom(fieldType)) {
fieldType = typeof(String);
if (null == _xmlMap) {
_xmlMap = new int[schemaRows.Length];
}
_xmlMap[sortedIndex] = XmlDocument;
}
DataColumn dataColumn = null;
if (!schemaRow.IsHidden ) {
dataColumn = _tableMapping.GetDataColumn(_fieldNames[sortedIndex], fieldType, _dataTable, mappingAction, schemaAction);
}
string basetable = /*schemaRow.BaseServerName+schemaRow.BaseCatalogName+schemaRow.BaseSchemaName+*/ schemaRow.BaseTableName;
if (null == dataColumn) {
if (null == columnIndexMap) {
columnIndexMap = CreateIndexMap(schemaRows.Length, unsortedIndex);
}
columnIndexMap[unsortedIndex] = -1;
// if the column is not mapped and it is a key, then don't add any key information
if (schemaRow.IsKey) { // MDAC 90822
#if DEBUG
if (AdapterSwitches.DataSchema.TraceVerbose) {
Debug.WriteLine("SetupSchema: partial primary key detected");
}
#endif
// if the hidden key comes from a different table - don't throw away the primary key
// example SELECT [T2].[ID], [T2].[ProdID], [T2].[VendorName] FROM [Vendor] AS [T2], [Prod] AS [T1] WHERE (([T1].[ProdID] = [T2].[ProdID]))
if (keyFromMultiTable || (schemaRow.BaseTableName == keyBaseTable)) { // WebData 100376
addPrimaryKeys = false; // don't add any future keys now
keys = null; // get rid of any keys we've seen
}
}
continue; // null means ignore (mapped to nothing)
}
else if ((null != _xmlMap) && (0 != _xmlMap[sortedIndex])) {
if (typeof(System.Data.SqlTypes.SqlXml) == dataColumn.DataType) {
_xmlMap[sortedIndex] = SqlXml;
}
else if (typeof(System.Xml.XmlDocument) == dataColumn.DataType) {
_xmlMap[sortedIndex] = XmlDocument;
}
else {
_xmlMap[sortedIndex] = 0; // datacolumn is not a specific Xml dataType, i.e. string
int total = 0;
for(int x = 0; x < _xmlMap.Length; ++x) {
total += _xmlMap[x];
}
if (0 == total) { // not mapping to a specific Xml datatype, get rid of the map
_xmlMap = null;
}
}
}
if (schemaRow.IsKey) {
if (basetable != keyBaseTable) {
if (null == keyBaseTable) {
keyBaseTable = basetable;
}
else keyFromMultiTable = true;
}
}
if (ischapter) {
if (null == dataColumn.Table) {
dataColumn.AllowDBNull = false;
dataColumn.AutoIncrement = true;
dataColumn.ReadOnly = true;
}
else if (!dataColumn.AutoIncrement) {
throw ADP.FillChapterAutoIncrement();
}
}
else {// MDAC 67033
if (!commonFromMultiTable) {
if ((basetable != commonBaseTable) && (!ADP.IsEmpty(basetable))) {
if (null == commonBaseTable) {
commonBaseTable = basetable;
}
else {
commonFromMultiTable = true;
}
}
}
if (4 <= (int)_loadOption) {
if (schemaRow.IsAutoIncrement && DataColumn.IsAutoIncrementType(fieldType)) {
//
dataColumn.AutoIncrement = true;
if (!schemaRow.AllowDBNull) { // MDAC 71060
dataColumn.AllowDBNull = false;
}
}
// setup maxLength, only for string columns since this is all the DataSet supports
if (fieldType == typeof(string)) {
//@devnote: schemaRow.Size is count of characters for string columns, count of bytes otherwise
dataColumn.MaxLength = schemaRow.Size>0?schemaRow.Size:-1;
}
if (schemaRow.IsReadOnly) {
dataColumn.ReadOnly = true;
}
if (!schemaRow.AllowDBNull && (!schemaRow.IsReadOnly || schemaRow.IsKey)) { // MDAC 71060, 72252
dataColumn.AllowDBNull = false;
}
if (schemaRow.IsUnique && !schemaRow.IsKey && !fieldType.IsArray) {
// note, arrays are not comparable so only mark non-arrays as unique, ie timestamp columns
// are unique, but not comparable
dataColumn.Unique = true;
if (!schemaRow.AllowDBNull) { // MDAC 71060
dataColumn.AllowDBNull = false;
}
}
}
else if (null == dataColumn.Table) {
dataColumn.AutoIncrement = schemaRow.IsAutoIncrement;
dataColumn.AllowDBNull = schemaRow.AllowDBNull;
dataColumn.ReadOnly = schemaRow.IsReadOnly;
dataColumn.Unique = schemaRow.IsUnique;
if (fieldType == typeof(string) || (fieldType == typeof(SqlTypes.SqlString))) {
//@devnote: schemaRow.Size is count of characters for string columns, count of bytes otherwise
dataColumn.MaxLength = schemaRow.Size;
}
}
}
if (null == dataColumn.Table) {
if (4 > (int)_loadOption) {
AddAdditionalProperties(dataColumn, schemaRow.DataRow);
}
AddItemToAllowRollback(ref addedItems, dataColumn);
columnCollection.Add(dataColumn);
}
// The server sends us one key per table according to these rules.
//
// 1. If the table has a primary key, the server sends us this key.
// 2. If the table has a primary key and a unique key, it sends us the primary key
// 3. if the table has no primary key but has a unique key, it sends us the unique key
//
// In case 3, we will promote a unique key to a primary key IFF all the columns that compose
// that key are not nullable since no columns in a primary key can be null. If one or more
// of the keys is nullable, then we will add a unique constraint.
//
if (addPrimaryKeys && schemaRow.IsKey) { // MDAC 67033
if (keys == null) {
keys = new DataColumn[schemaRows.Length];
}
keys[keyCount++] = dataColumn;
#if DEBUG
if (AdapterSwitches.DataSchema.TraceVerbose) {
Debug.WriteLine("SetupSchema: building list of " + ((isPrimary) ? "PrimaryKey" : "UniqueConstraint"));
}
#endif
// see case 3 above, we do want dataColumn.AllowDBNull not schemaRow.AllowDBNull
// otherwise adding PrimaryKey will change AllowDBNull to false
if (isPrimary && dataColumn.AllowDBNull) { // MDAC 72241
#if DEBUG
if (AdapterSwitches.DataSchema.TraceVerbose) {
Debug.WriteLine("SetupSchema: changing PrimaryKey into UniqueContraint");
}
#endif
isPrimary = false;
}
}
if (null != columnIndexMap) {
columnIndexMap[unsortedIndex] = dataColumn.Ordinal;
}
else if (unsortedIndex != dataColumn.Ordinal) {
columnIndexMap = CreateIndexMap(schemaRows.Length, unsortedIndex);
columnIndexMap[unsortedIndex] = dataColumn.Ordinal;
}
mappingCount++;
}
bool addDataRelation = false;
DataColumn chapterColumn = null;
if (null != chapterValue) { // add the extra column in the child table
Type fieldType = chapterValue.GetType();
chapterColumn = _tableMapping.GetDataColumn(_tableMapping.SourceTable, fieldType, _dataTable, mappingAction, schemaAction);
if (null != chapterColumn) {
if (null == chapterColumn.Table) {
chapterColumn.ReadOnly = true; // MDAC 71878
chapterColumn.AllowDBNull = false;
AddItemToAllowRollback(ref addedItems, chapterColumn);
columnCollection.Add(chapterColumn);
addDataRelation = (null != parentChapterColumn);
}
mappingCount++;
}
}
if (0 < mappingCount) {
if ((null != _dataSet) && null == _dataTable.DataSet) {
AddItemToAllowRollback(ref addedItems, _dataTable);
_dataSet.Tables.Add(_dataTable);
}
// setup the key
if (addPrimaryKeys && (null != keys)) { // MDAC 67033
if (keyCount < keys.Length) {
keys = ResizeColumnArray(keys, keyCount);
}
// MDAC 66188
if (isPrimary) {
#if DEBUG
if (AdapterSwitches.DataSchema.TraceVerbose) {
Debug.WriteLine("SetupSchema: set_PrimaryKey");
}
#endif
_dataTable.PrimaryKey = keys;
}
else {
UniqueConstraint unique = new UniqueConstraint("", keys);
ConstraintCollection constraints = _dataTable.Constraints;
int constraintCount = constraints.Count;
for (int i = 0; i < constraintCount; ++i) {
if (unique.Equals(constraints[i])) {
#if DEBUG
if (AdapterSwitches.DataSchema.TraceVerbose) {
Debug.WriteLine("SetupSchema: duplicate Contraint detected");
}
#endif
unique = null;
break;
}
}
if (null != unique) {
#if DEBUG
if (AdapterSwitches.DataSchema.TraceVerbose) {
Debug.WriteLine("SetupSchema: adding new UniqueConstraint");
}
#endif
constraints.Add(unique);
}
}
}
if (!commonFromMultiTable && !ADP.IsEmpty(commonBaseTable) && ADP.IsEmpty(_dataTable.TableName)) {
_dataTable.TableName = commonBaseTable;
}
if (gettingData) {
_indexMap = columnIndexMap;
_chapterMap = chapterIndexMap;
dataValues = SetupMapping(schemaRows.Length, columnCollection, chapterColumn, chapterValue);
}
else {
// debug only, but for retail debug ability
_mappedMode = -1;
}
}
else {
_dataTable = null;
}
if (addDataRelation) {
AddRelation(parentChapterColumn, chapterColumn);
}
}
catch (Exception e) {
if (ADP.IsCatchableOrSecurityExceptionType(e)) {
RollbackAddedItems(addedItems);
}
throw;
}
return dataValues;
}
//Activate This Construntor to log All To Standard output
//public TestClass():base(true){}
//Activate this constructor to log Failures to a log file
//public TestClass(System.IO.TextWriter tw):base(tw, false){}
//Activate this constructor to log All to a log file
//public TestClass(System.IO.TextWriter tw):base(tw, true){}
//BY DEFAULT LOGGING IS DONE TO THE STANDARD OUTPUT ONLY FOR FAILURES
public void run()
{
Exception exp = null;
DataSet ds = new DataSet();
DataTable dtParent = GHTUtils.DataProvider.CreateParentDataTable();
ds.Tables.Add(dtParent);
UniqueConstraint uc1,uc2;
uc1 = new UniqueConstraint(dtParent.Columns[0]);
uc2 = new UniqueConstraint(dtParent.Columns[1]);
try
{
BeginCase("different columnn");
Compare(uc1.Equals(uc2),false);
}
catch(Exception ex) {exp = ex;}
finally {EndCase(exp); exp = null;}
//Two System.Data.ForeignKeyConstraint are equal if they constrain the same columns.
try
{
BeginCase("same column");
uc2 = new UniqueConstraint(dtParent.Columns[0]);
Compare(uc1.Equals(uc2),true);
}
catch(Exception ex) {exp = ex;}
finally {EndCase(exp); exp = null;}
}
public void EqualsAndHashCode ()
{
UniqueConstraint cst = new UniqueConstraint (new DataColumn [] {
_table.Columns[0], _table.Columns[1]});
UniqueConstraint cst2 = new UniqueConstraint (new DataColumn [] {
_table.Columns[1], _table.Columns[0]});
UniqueConstraint cst3 = new UniqueConstraint (_table.Columns [0]);
UniqueConstraint cst4 = new UniqueConstraint (_table.Columns [2]);
//true
Assert.That (cst.Equals (cst2), Is.True, "A0");
//false
Assert.That (cst.Equals (23), Is.False, "A1");
Assert.That (cst.Equals (cst3), Is.False, "A2");
Assert.That (cst3.Equals (cst), Is.False, "A3");
Assert.That (cst.Equals (cst4), Is.False, "A4");
//true
Assert.That (cst.GetHashCode (), Is.EqualTo (cst2.GetHashCode ()), "HashEquals");
//false
Assert.That (cst.GetHashCode (), Is.Not.EqualTo (cst3.GetHashCode ()), "Hash Not Equals");
}
private object[] SetupSchemaWithKeyInfo(MissingMappingAction mappingAction, MissingSchemaAction schemaAction, bool gettingData, DataColumn parentChapterColumn, object chapterValue)
{
DbSchemaRow[] sortedSchemaRows = DbSchemaRow.GetSortedSchemaRows(this._schemaTable, this._dataReader.ReturnProviderSpecificTypes);
if (sortedSchemaRows.Length == 0)
{
this._dataTable = null;
return null;
}
bool flag3 = ((this._dataTable.PrimaryKey.Length == 0) && ((((LoadOption) 4) <= this._loadOption) || (this._dataTable.Rows.Count == 0))) || (0 == this._dataTable.Columns.Count);
DataColumn[] rgcol = null;
int len = 0;
bool flag2 = true;
string str3 = null;
string str2 = null;
bool flag6 = false;
bool flag = false;
int[] numArray = null;
bool[] flagArray = null;
int num3 = 0;
object[] objArray = null;
List<object> items = null;
DataColumnCollection columnCollection = this._dataTable.Columns;
try
{
for (int i = 0; i < sortedSchemaRows.Length; i++)
{
DbSchemaRow row = sortedSchemaRows[i];
int unsortedIndex = row.UnsortedIndex;
bool flag5 = false;
Type dataType = row.DataType;
if (null == dataType)
{
dataType = this._dataReader.GetFieldType(i);
}
if (null == dataType)
{
throw ADP.MissingDataReaderFieldType(i);
}
if (typeof(IDataReader).IsAssignableFrom(dataType))
{
if (flagArray == null)
{
flagArray = new bool[sortedSchemaRows.Length];
}
flagArray[unsortedIndex] = flag5 = true;
dataType = typeof(int);
}
else if (typeof(System.Data.SqlTypes.SqlXml).IsAssignableFrom(dataType))
{
if (this._xmlMap == null)
{
this._xmlMap = new int[sortedSchemaRows.Length];
}
this._xmlMap[i] = 1;
}
else if (typeof(XmlReader).IsAssignableFrom(dataType))
{
dataType = typeof(string);
if (this._xmlMap == null)
{
this._xmlMap = new int[sortedSchemaRows.Length];
}
this._xmlMap[i] = 2;
}
DataColumn targetColumn = null;
if (!row.IsHidden)
{
targetColumn = this._tableMapping.GetDataColumn(this._fieldNames[i], dataType, this._dataTable, mappingAction, schemaAction);
}
string baseTableName = row.BaseTableName;
if (targetColumn == null)
{
if (numArray == null)
{
numArray = this.CreateIndexMap(sortedSchemaRows.Length, unsortedIndex);
}
numArray[unsortedIndex] = -1;
if (row.IsKey && (flag6 || (row.BaseTableName == str3)))
{
flag3 = false;
rgcol = null;
}
}
else
{
if ((this._xmlMap != null) && (this._xmlMap[i] != 0))
{
if (typeof(System.Data.SqlTypes.SqlXml) == targetColumn.DataType)
{
this._xmlMap[i] = 1;
}
else if (typeof(System.Xml.XmlDocument) == targetColumn.DataType)
{
this._xmlMap[i] = 2;
}
else
{
this._xmlMap[i] = 0;
int num7 = 0;
for (int j = 0; j < this._xmlMap.Length; j++)
{
num7 += this._xmlMap[j];
}
if (num7 == 0)
{
this._xmlMap = null;
}
}
}
if (row.IsKey && (baseTableName != str3))
{
if (str3 == null)
{
str3 = baseTableName;
}
else
{
flag6 = true;
}
}
if (flag5)
{
if (targetColumn.Table != null)
{
if (!targetColumn.AutoIncrement)
{
throw ADP.FillChapterAutoIncrement();
}
}
else
{
targetColumn.AllowDBNull = false;
targetColumn.AutoIncrement = true;
targetColumn.ReadOnly = true;
}
}
else
{
if ((!flag && (baseTableName != str2)) && !ADP.IsEmpty(baseTableName))
{
if (str2 == null)
{
str2 = baseTableName;
}
else
{
flag = true;
}
}
if (((LoadOption) 4) <= this._loadOption)
{
if (row.IsAutoIncrement && DataColumn.IsAutoIncrementType(dataType))
{
targetColumn.AutoIncrement = true;
if (!row.AllowDBNull)
{
targetColumn.AllowDBNull = false;
}
}
if (dataType == typeof(string))
{
targetColumn.MaxLength = (row.Size > 0) ? row.Size : -1;
}
if (row.IsReadOnly)
{
targetColumn.ReadOnly = true;
}
if (!row.AllowDBNull && (!row.IsReadOnly || row.IsKey))
{
targetColumn.AllowDBNull = false;
}
if ((row.IsUnique && !row.IsKey) && !dataType.IsArray)
{
targetColumn.Unique = true;
if (!row.AllowDBNull)
{
targetColumn.AllowDBNull = false;
}
}
}
else if (targetColumn.Table == null)
{
targetColumn.AutoIncrement = row.IsAutoIncrement;
targetColumn.AllowDBNull = row.AllowDBNull;
targetColumn.ReadOnly = row.IsReadOnly;
targetColumn.Unique = row.IsUnique;
if ((dataType == typeof(string)) || (dataType == typeof(SqlString)))
{
targetColumn.MaxLength = row.Size;
}
}
}
if (targetColumn.Table == null)
{
if (((LoadOption) 4) > this._loadOption)
{
this.AddAdditionalProperties(targetColumn, row.DataRow);
}
this.AddItemToAllowRollback(ref items, targetColumn);
columnCollection.Add(targetColumn);
}
if (flag3 && row.IsKey)
{
if (rgcol == null)
{
rgcol = new DataColumn[sortedSchemaRows.Length];
}
rgcol[len++] = targetColumn;
if (flag2 && targetColumn.AllowDBNull)
{
flag2 = false;
}
}
if (numArray != null)
{
numArray[unsortedIndex] = targetColumn.Ordinal;
}
else if (unsortedIndex != targetColumn.Ordinal)
{
numArray = this.CreateIndexMap(sortedSchemaRows.Length, unsortedIndex);
numArray[unsortedIndex] = targetColumn.Ordinal;
}
num3++;
}
}
bool flag4 = false;
DataColumn column2 = null;
if (chapterValue != null)
{
Type type = chapterValue.GetType();
column2 = this._tableMapping.GetDataColumn(this._tableMapping.SourceTable, type, this._dataTable, mappingAction, schemaAction);
if (column2 != null)
{
if (column2.Table == null)
{
column2.ReadOnly = true;
column2.AllowDBNull = false;
this.AddItemToAllowRollback(ref items, column2);
columnCollection.Add(column2);
flag4 = null != parentChapterColumn;
}
num3++;
}
}
if (0 < num3)
{
if ((this._dataSet != null) && (this._dataTable.DataSet == null))
{
this.AddItemToAllowRollback(ref items, this._dataTable);
this._dataSet.Tables.Add(this._dataTable);
}
if (flag3 && (rgcol != null))
{
if (len < rgcol.Length)
{
rgcol = this.ResizeColumnArray(rgcol, len);
}
if (flag2)
{
this._dataTable.PrimaryKey = rgcol;
}
else
{
UniqueConstraint constraint = new UniqueConstraint("", rgcol);
ConstraintCollection constraints = this._dataTable.Constraints;
int count = constraints.Count;
for (int k = 0; k < count; k++)
{
if (constraint.Equals(constraints[k]))
{
constraint = null;
break;
}
}
if (constraint != null)
{
constraints.Add(constraint);
}
}
}
if ((!flag && !ADP.IsEmpty(str2)) && ADP.IsEmpty(this._dataTable.TableName))
{
this._dataTable.TableName = str2;
}
if (gettingData)
{
this._indexMap = numArray;
this._chapterMap = flagArray;
objArray = this.SetupMapping(sortedSchemaRows.Length, columnCollection, column2, chapterValue);
}
else
{
this._mappedMode = -1;
}
}
else
{
this._dataTable = null;
}
if (flag4)
{
this.AddRelation(parentChapterColumn, column2);
}
}
catch (Exception exception)
{
if (ADP.IsCatchableOrSecurityExceptionType(exception))
{
this.RollbackAddedItems(items);
}
throw;
}
return objArray;
}
public void EqualsAndHashCode() {
UniqueConstraint cst = new UniqueConstraint( new DataColumn [] {
_table.Columns[0], _table.Columns[1]});
UniqueConstraint cst2 = new UniqueConstraint( new DataColumn [] {
_table.Columns[1], _table.Columns[0]});
UniqueConstraint cst3 = new UniqueConstraint(_table.Columns[0]);
UniqueConstraint cst4 = new UniqueConstraint(_table.Columns[2]);
//true
Assert(cst.Equals(cst2) == true);
//false
Assert("A1", cst.Equals(23) == false);
Assert("A2", cst.Equals(cst3) == false);
Assert("A3", cst3.Equals(cst) == false);
Assert("A4", cst.Equals(cst4) == false);
//true
Assert("HashEquals", cst.GetHashCode() == cst2.GetHashCode());
//false
Assert("Hash Not Equals", (cst.GetHashCode() == cst3.GetHashCode()) == false);
}