private static string[] GenerateFieldNames(DataReaderContainer dataReader)
{
string[] columnNameArray = new string[dataReader.FieldCount];
for (int i = 0; i < columnNameArray.Length; i++)
{
columnNameArray[i] = dataReader.GetName(i);
}
ADP.BuildSchemaTableInfoTableNames(columnNameArray);
return(columnNameArray);
}
internal int LoadDataRowChapters(DataRow dataRow)
{
int num2 = 0;
int length = this._chapterMap.Length;
for (int i = 0; i < length; i++)
{
if (this._chapterMap[i])
{
object obj2 = this._readerDataValues[i];
if ((obj2 != null) && !Convert.IsDBNull(obj2))
{
this._readerDataValues[i] = null;
using (IDataReader reader = (IDataReader)obj2)
{
if (!reader.IsClosed)
{
DataColumn column;
object obj3;
if (this._indexMap == null)
{
column = this._dataTable.Columns[i];
obj3 = dataRow[column];
}
else
{
column = this._dataTable.Columns[this._indexMap[i]];
obj3 = dataRow[column];
}
string srcTable = this._tableMapping.SourceTable + this._fieldNames[i];
DataReaderContainer dataReader = DataReaderContainer.Create(reader, this._dataReader.ReturnProviderSpecificTypes);
num2 += this._adapter.FillFromReader(this._dataSet, null, srcTable, dataReader, 0, 0, column, obj3);
}
}
}
}
}
return(num2);
}
internal SchemaMapping(DataAdapter adapter, DataSet dataset, DataTable datatable, DataReaderContainer dataReader, bool keyInfo,
SchemaType schemaType, string sourceTableName, bool gettingData,
DataColumn parentChapterColumn, object parentChapterValue) {
Debug.Assert(null != adapter, "adapter");
Debug.Assert(null != dataReader, "dataReader");
Debug.Assert(0 < dataReader.FieldCount, "FieldCount");
Debug.Assert(null != dataset || null != datatable, "SchemaMapping - null dataSet");
Debug.Assert(SchemaType.Mapped == schemaType || SchemaType.Source == schemaType, "SetupSchema - invalid schemaType");
_dataSet = dataset; // setting DataSet implies chapters are supported
_dataTable = datatable; // setting only DataTable, not DataSet implies chapters are not supported
_adapter = adapter;
_dataReader = dataReader;
if (keyInfo) {
_schemaTable = dataReader.GetSchemaTable();
}
if (adapter.ShouldSerializeFillLoadOption()) {
_loadOption = adapter.FillLoadOption;
}
else if (adapter.AcceptChangesDuringFill) {
_loadOption = (LoadOption)4; // true
}
else {
_loadOption = (LoadOption)5; //false
}
MissingMappingAction mappingAction;
MissingSchemaAction schemaAction;
if (SchemaType.Mapped == schemaType) {
mappingAction = _adapter.MissingMappingAction;
schemaAction = _adapter.MissingSchemaAction;
if (!ADP.IsEmpty(sourceTableName)) { // MDAC 66034
_tableMapping = _adapter.GetTableMappingBySchemaAction(sourceTableName, sourceTableName, mappingAction);
}
else if (null != _dataTable) {
int index = _adapter.IndexOfDataSetTable(_dataTable.TableName);
if (-1 != index) {
_tableMapping = _adapter.TableMappings[index];
}
else {
switch (mappingAction) {
case MissingMappingAction.Passthrough:
_tableMapping = new DataTableMapping(_dataTable.TableName, _dataTable.TableName);
break;
case MissingMappingAction.Ignore:
_tableMapping = null;
break;
case MissingMappingAction.Error:
throw ADP.MissingTableMappingDestination(_dataTable.TableName);
default:
throw ADP.InvalidMissingMappingAction(mappingAction);
}
}
}
}
else if (SchemaType.Source == schemaType) {
mappingAction = System.Data.MissingMappingAction.Passthrough;
schemaAction = Data.MissingSchemaAction.Add;
if (!ADP.IsEmpty(sourceTableName)) { // MDAC 66034
_tableMapping = DataTableMappingCollection.GetTableMappingBySchemaAction(null, sourceTableName, sourceTableName, mappingAction);
}
else if (null != _dataTable) {
int index = _adapter.IndexOfDataSetTable(_dataTable.TableName); // MDAC 66034
if (-1 != index) {
_tableMapping = _adapter.TableMappings[index];
}
else {
_tableMapping = new DataTableMapping(_dataTable.TableName, _dataTable.TableName);
}
}
}
else {
throw ADP.InvalidSchemaType(schemaType);
}
if (null != _tableMapping) {
if (null == _dataTable) {
_dataTable = _tableMapping.GetDataTableBySchemaAction(_dataSet, schemaAction);
}
if (null != _dataTable) {
_fieldNames = GenerateFieldNames(dataReader);
if (null == _schemaTable) {
_readerDataValues = SetupSchemaWithoutKeyInfo(mappingAction, schemaAction, gettingData, parentChapterColumn, parentChapterValue);
}
else {
_readerDataValues = SetupSchemaWithKeyInfo(mappingAction, schemaAction, gettingData, parentChapterColumn, parentChapterValue);
}
}
// else (null == _dataTable) which means ignore (mapped to nothing)
}
}
private static string[] GenerateFieldNames(DataReaderContainer dataReader) {
string[] fieldNames = new string[dataReader.FieldCount];
for(int i = 0; i < fieldNames.Length; ++i) {
fieldNames[i] = dataReader.GetName(i);
}
ADP.BuildSchemaTableInfoTableNames(fieldNames);
return fieldNames;
}
internal SchemaMapping(DataAdapter adapter, DataSet dataset, System.Data.DataTable datatable, DataReaderContainer dataReader, bool keyInfo, SchemaType schemaType, string sourceTableName, bool gettingData, DataColumn parentChapterColumn, object parentChapterValue)
{
MissingMappingAction missingMappingAction;
MissingSchemaAction missingSchemaAction;
this._dataSet = dataset;
this._dataTable = datatable;
this._adapter = adapter;
this._dataReader = dataReader;
if (keyInfo)
{
this._schemaTable = dataReader.GetSchemaTable();
}
if (adapter.ShouldSerializeFillLoadOption())
{
this._loadOption = adapter.FillLoadOption;
}
else if (adapter.AcceptChangesDuringFill)
{
this._loadOption = (LoadOption) 4;
}
else
{
this._loadOption = (LoadOption) 5;
}
if (SchemaType.Mapped == schemaType)
{
missingMappingAction = this._adapter.MissingMappingAction;
missingSchemaAction = this._adapter.MissingSchemaAction;
if (ADP.IsEmpty(sourceTableName))
{
if (this._dataTable != null)
{
int num2 = this._adapter.IndexOfDataSetTable(this._dataTable.TableName);
if (-1 == num2)
{
switch (missingMappingAction)
{
case MissingMappingAction.Passthrough:
this._tableMapping = new DataTableMapping(this._dataTable.TableName, this._dataTable.TableName);
goto Label_01DB;
case MissingMappingAction.Ignore:
this._tableMapping = null;
goto Label_01DB;
case MissingMappingAction.Error:
throw ADP.MissingTableMappingDestination(this._dataTable.TableName);
}
throw ADP.InvalidMissingMappingAction(missingMappingAction);
}
this._tableMapping = this._adapter.TableMappings[num2];
}
}
else
{
this._tableMapping = this._adapter.GetTableMappingBySchemaAction(sourceTableName, sourceTableName, missingMappingAction);
}
}
else
{
if (SchemaType.Source != schemaType)
{
throw ADP.InvalidSchemaType(schemaType);
}
missingMappingAction = MissingMappingAction.Passthrough;
missingSchemaAction = MissingSchemaAction.Add;
if (!ADP.IsEmpty(sourceTableName))
{
this._tableMapping = DataTableMappingCollection.GetTableMappingBySchemaAction(null, sourceTableName, sourceTableName, missingMappingAction);
}
else if (this._dataTable != null)
{
int num = this._adapter.IndexOfDataSetTable(this._dataTable.TableName);
if (-1 != num)
{
this._tableMapping = this._adapter.TableMappings[num];
}
else
{
this._tableMapping = new DataTableMapping(this._dataTable.TableName, this._dataTable.TableName);
}
}
}
Label_01DB:
if (this._tableMapping != null)
{
if (this._dataTable == null)
{
this._dataTable = this._tableMapping.GetDataTableBySchemaAction(this._dataSet, missingSchemaAction);
}
if (this._dataTable != null)
{
this._fieldNames = GenerateFieldNames(dataReader);
if (this._schemaTable == null)
{
this._readerDataValues = this.SetupSchemaWithoutKeyInfo(missingMappingAction, missingSchemaAction, gettingData, parentChapterColumn, parentChapterValue);
return;
}
this._readerDataValues = this.SetupSchemaWithKeyInfo(missingMappingAction, missingSchemaAction, gettingData, parentChapterColumn, parentChapterValue);
}
}
}
private static string[] GenerateFieldNames(DataReaderContainer dataReader)
{
string[] columnNameArray = new string[dataReader.FieldCount];
for (int i = 0; i < columnNameArray.Length; i++)
{
columnNameArray[i] = dataReader.GetName(i);
}
ADP.BuildSchemaTableInfoTableNames(columnNameArray);
return columnNameArray;
}
private bool FillNextResult(DataReaderContainer dataReader) {
bool result = true;
if (_hasFillErrorHandler) {
try {
// only try-catch if a FillErrorEventHandler is registered so that
// in the default case we get the full callstack from users
result = dataReader.NextResult();
}
catch(Exception e) {
//
if (!ADP.IsCatchableExceptionType(e)) {
throw;
}
ADP.TraceExceptionForCapture(e);
OnFillErrorHandler(e, null, null);
}
}
else {
result = dataReader.NextResult();
}
return result;
}
private SchemaMapping FillMapping(DataSet dataset, DataTable datatable, string srcTable, DataReaderContainer dataReader, int schemaCount, DataColumn parentChapterColumn, object parentChapterValue) {
SchemaMapping mapping = null;
if (_hasFillErrorHandler) {
try {
// only try-catch if a FillErrorEventHandler is registered so that
// in the default case we get the full callstack from users
mapping = FillMappingInternal(dataset, datatable, srcTable, dataReader, schemaCount, parentChapterColumn, parentChapterValue);
}
catch(Exception e) {
//
if (!ADP.IsCatchableExceptionType(e)) {
throw;
}
ADP.TraceExceptionForCapture(e);
OnFillErrorHandler(e, null, null);
}
}
else {
mapping = FillMappingInternal(dataset, datatable, srcTable, dataReader, schemaCount, parentChapterColumn, parentChapterValue);
}
return mapping;
}
private SchemaMapping FillMappingInternal(DataSet dataset, DataTable datatable, string srcTable, DataReaderContainer dataReader, int schemaCount, DataColumn parentChapterColumn, object parentChapterValue) {
bool withKeyInfo = (Data.MissingSchemaAction.AddWithKey == MissingSchemaAction);
string tmp = null;
if (null != dataset) {
tmp = DataAdapter.GetSourceTableName(srcTable, schemaCount);
}
return new SchemaMapping(this, dataset, datatable, dataReader, withKeyInfo, SchemaType.Mapped, tmp, true, parentChapterColumn, parentChapterValue);
}
internal int FillFromReader(DataSet dataset, DataTable datatable, string srcTable, DataReaderContainer dataReader, int startRecord, int maxRecords, DataColumn parentChapterColumn, object parentChapterValue) {
int rowsAddedToDataSet = 0;
int schemaCount = 0;
do {
AssertReaderHandleFieldCount(dataReader);
if (0 >= dataReader.FieldCount) {
continue; // loop to next result
}
SchemaMapping mapping = FillMapping(dataset, datatable, srcTable, dataReader, schemaCount, parentChapterColumn, parentChapterValue);
schemaCount++; // don't increment if no SchemaTable ( a non-row returning result )
AssertSchemaMapping(mapping);
if (null == mapping) {
continue; // loop to next result
}
if (null == mapping.DataValues) {
continue; // loop to next result
}
if (null == mapping.DataTable) {
continue; // loop to next result
}
mapping.DataTable.BeginLoadData();
try {
// startRecord and maxRecords only apply to the first resultset
if ((1 == schemaCount) && ((0 < startRecord) || (0 < maxRecords))) {
rowsAddedToDataSet = FillLoadDataRowChunk(mapping, startRecord, maxRecords);
}
else {
int count = FillLoadDataRow(mapping);
if (1 == schemaCount) { // MDAC 71347
// only return LoadDataRow count for first resultset
// not secondary or chaptered results
rowsAddedToDataSet = count;
}
}
}
finally {
mapping.DataTable.EndLoadData();
}
if (null != datatable) {
break; // do not read remaining results in single DataTable case
}
} while (FillNextResult(dataReader));
return rowsAddedToDataSet;
}
void AssertReaderHandleFieldCount(DataReaderContainer readerHandler) {
#if DEBUG
Debug.Assert(!_debugHookNonEmptySelectCommand || readerHandler.FieldCount > 0, "Scenario expects non-empty results but no fields reported by reader");
#endif
}
internal SchemaMapping(DataAdapter adapter, DataSet dataset, System.Data.DataTable datatable, DataReaderContainer dataReader, bool keyInfo, SchemaType schemaType, string sourceTableName, bool gettingData, DataColumn parentChapterColumn, object parentChapterValue)
{
MissingMappingAction missingMappingAction;
MissingSchemaAction missingSchemaAction;
this._dataSet = dataset;
this._dataTable = datatable;
this._adapter = adapter;
this._dataReader = dataReader;
if (keyInfo)
{
this._schemaTable = dataReader.GetSchemaTable();
}
if (adapter.ShouldSerializeFillLoadOption())
{
this._loadOption = adapter.FillLoadOption;
}
else if (adapter.AcceptChangesDuringFill)
{
this._loadOption = (LoadOption)4;
}
else
{
this._loadOption = (LoadOption)5;
}
if (SchemaType.Mapped == schemaType)
{
missingMappingAction = this._adapter.MissingMappingAction;
missingSchemaAction = this._adapter.MissingSchemaAction;
if (ADP.IsEmpty(sourceTableName))
{
if (this._dataTable != null)
{
int num2 = this._adapter.IndexOfDataSetTable(this._dataTable.TableName);
if (-1 == num2)
{
switch (missingMappingAction)
{
case MissingMappingAction.Passthrough:
this._tableMapping = new DataTableMapping(this._dataTable.TableName, this._dataTable.TableName);
goto Label_01DB;
case MissingMappingAction.Ignore:
this._tableMapping = null;
goto Label_01DB;
case MissingMappingAction.Error:
throw ADP.MissingTableMappingDestination(this._dataTable.TableName);
}
throw ADP.InvalidMissingMappingAction(missingMappingAction);
}
this._tableMapping = this._adapter.TableMappings[num2];
}
}
else
{
this._tableMapping = this._adapter.GetTableMappingBySchemaAction(sourceTableName, sourceTableName, missingMappingAction);
}
}
else
{
if (SchemaType.Source != schemaType)
{
throw ADP.InvalidSchemaType(schemaType);
}
missingMappingAction = MissingMappingAction.Passthrough;
missingSchemaAction = MissingSchemaAction.Add;
if (!ADP.IsEmpty(sourceTableName))
{
this._tableMapping = DataTableMappingCollection.GetTableMappingBySchemaAction(null, sourceTableName, sourceTableName, missingMappingAction);
}
else if (this._dataTable != null)
{
int num = this._adapter.IndexOfDataSetTable(this._dataTable.TableName);
if (-1 != num)
{
this._tableMapping = this._adapter.TableMappings[num];
}
else
{
this._tableMapping = new DataTableMapping(this._dataTable.TableName, this._dataTable.TableName);
}
}
}
Label_01DB:
if (this._tableMapping != null)
{
if (this._dataTable == null)
{
this._dataTable = this._tableMapping.GetDataTableBySchemaAction(this._dataSet, missingSchemaAction);
}
if (this._dataTable != null)
{
this._fieldNames = GenerateFieldNames(dataReader);
if (this._schemaTable == null)
{
this._readerDataValues = this.SetupSchemaWithoutKeyInfo(missingMappingAction, missingSchemaAction, gettingData, parentChapterColumn, parentChapterValue);
return;
}
this._readerDataValues = this.SetupSchemaWithKeyInfo(missingMappingAction, missingSchemaAction, gettingData, parentChapterColumn, parentChapterValue);
}
}
}
private bool FillNextResult(DataReaderContainer dataReader)
{
bool flag = true;
if (this._hasFillErrorHandler)
{
try
{
flag = dataReader.NextResult();
}
catch (Exception exception)
{
if (!ADP.IsCatchableExceptionType(exception))
{
throw;
}
ADP.TraceExceptionForCapture(exception);
this.OnFillErrorHandler(exception, null, null);
}
return flag;
}
return dataReader.NextResult();
}
private SchemaMapping FillMappingInternal(DataSet dataset, DataTable datatable, string srcTable, DataReaderContainer dataReader, int schemaCount, DataColumn parentChapterColumn, object parentChapterValue)
{
bool keyInfo = System.Data.MissingSchemaAction.AddWithKey == this.MissingSchemaAction;
string sourceTableName = null;
if (dataset != null)
{
sourceTableName = GetSourceTableName(srcTable, schemaCount);
}
return new SchemaMapping(this, dataset, datatable, dataReader, keyInfo, SchemaType.Mapped, sourceTableName, true, parentChapterColumn, parentChapterValue);
}
private SchemaMapping FillMapping(DataSet dataset, DataTable datatable, string srcTable, DataReaderContainer dataReader, int schemaCount, DataColumn parentChapterColumn, object parentChapterValue)
{
SchemaMapping mapping = null;
if (this._hasFillErrorHandler)
{
try
{
mapping = this.FillMappingInternal(dataset, datatable, srcTable, dataReader, schemaCount, parentChapterColumn, parentChapterValue);
}
catch (Exception exception)
{
if (!ADP.IsCatchableExceptionType(exception))
{
throw;
}
ADP.TraceExceptionForCapture(exception);
this.OnFillErrorHandler(exception, null, null);
}
return mapping;
}
return this.FillMappingInternal(dataset, datatable, srcTable, dataReader, schemaCount, parentChapterColumn, parentChapterValue);
}
internal int FillFromReader(DataSet dataset, DataTable datatable, string srcTable, DataReaderContainer dataReader, int startRecord, int maxRecords, DataColumn parentChapterColumn, object parentChapterValue)
{
int num2 = 0;
int schemaCount = 0;
do
{
if (0 < dataReader.FieldCount)
{
SchemaMapping mapping = this.FillMapping(dataset, datatable, srcTable, dataReader, schemaCount, parentChapterColumn, parentChapterValue);
schemaCount++;
if (((mapping != null) && (mapping.DataValues != null)) && (mapping.DataTable != null))
{
mapping.DataTable.BeginLoadData();
try
{
if ((1 == schemaCount) && ((0 < startRecord) || (0 < maxRecords)))
{
num2 = this.FillLoadDataRowChunk(mapping, startRecord, maxRecords);
}
else
{
int num3 = this.FillLoadDataRow(mapping);
if (1 == schemaCount)
{
num2 = num3;
}
}
}
finally
{
mapping.DataTable.EndLoadData();
}
if (datatable != null)
{
return num2;
}
}
}
}
while (this.FillNextResult(dataReader));
return num2;
}
