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 int FillLoadDataRow(SchemaMapping mapping)
{
int num = 0;
DataReaderContainer dataReader = mapping.DataReader;
if (!this._hasFillErrorHandler)
{
while (dataReader.Read())
{
mapping.LoadDataRow();
num++;
}
return(num);
}
while (dataReader.Read())
{
try
{
mapping.LoadDataRowWithClear();
num++;
continue;
}
catch (Exception exception)
{
if (!ADP.IsCatchableExceptionType(exception))
{
throw;
}
ADP.TraceExceptionForCapture(exception);
this.OnFillErrorHandler(exception, mapping.DataTable, mapping.DataValues);
continue;
}
}
return(num);
}
private int FillLoadDataRow(SchemaMapping mapping)
{
int rowsAddedToDataSet = 0;
DataReaderContainer dataReader = mapping.DataReader;
if (_hasFillErrorHandler)
{
while (dataReader.Read())
{ // read remaining rows of first and subsequent resultsets
try
{
// only try-catch if a FillErrorEventHandler is registered so that
// in the default case we get the full callstack from users
mapping.LoadDataRowWithClear();
rowsAddedToDataSet++;
}
catch (Exception e) when(ADP.IsCatchableExceptionType(e))
{
ADP.TraceExceptionForCapture(e);
OnFillErrorHandler(e, mapping.DataTable, mapping.DataValues);
}
}
}
else
{
while (dataReader.Read())
{
// read remaining rows of first and subsequent resultset
mapping.LoadDataRow();
rowsAddedToDataSet++;
}
}
return(rowsAddedToDataSet);
}
internal object FillSchemaFromReader(DataSet dataset, DataTable datatable, SchemaType schemaType, string srcTable, IDataReader dataReader)
{
DataTable[] dataTables = null;
int schemaCount = 0;
do
{
DataReaderContainer readerHandler = DataReaderContainer.Create(dataReader, ReturnProviderSpecificTypes);
AssertReaderHandleFieldCount(readerHandler);
if (0 >= readerHandler.FieldCount)
{
continue;
}
string tmp = null;
if (null != dataset)
{
tmp = DataAdapter.GetSourceTableName(srcTable, schemaCount);
schemaCount++; // don't increment if no SchemaTable ( a non-row returning result )
}
SchemaMapping mapping = new SchemaMapping(this, dataset, datatable, readerHandler, true, schemaType, tmp, false, null, null);
if (null != datatable)
{
// do not read remaining results in single DataTable case
return(mapping.DataTable);
}
else if (null != mapping.DataTable)
{
if (null == dataTables)
{
dataTables = new DataTable[1] {
mapping.DataTable
};
}
else
{
dataTables = DataAdapter.AddDataTableToArray(dataTables, mapping.DataTable);
}
}
} while (dataReader.NextResult()); // FillSchema does not capture errors for FillError event
object value = dataTables;
if ((null == value) && (null == datatable))
{
value = Array.Empty <DataTable>();
}
return(value); // null if datatable had no results
}
private int FillLoadDataRowChunk(SchemaMapping mapping, int startRecord, int maxRecords)
{
DataReaderContainer dataReader = mapping.DataReader;
while (0 < startRecord)
{
if (!dataReader.Read())
{
// there are no more rows on first resultset
return(0);
}
--startRecord;
}
int rowsAddedToDataSet = 0;
if (0 < maxRecords)
{
while ((rowsAddedToDataSet < maxRecords) && dataReader.Read())
{
if (_hasFillErrorHandler)
{
try {
mapping.LoadDataRowWithClear();
rowsAddedToDataSet++;
}
catch (Exception e) {
//
if (!ADP.IsCatchableExceptionType(e))
{
throw;
}
ADP.TraceExceptionForCapture(e);
OnFillErrorHandler(e, mapping.DataTable, mapping.DataValues);
}
}
else
{
mapping.LoadDataRow();
rowsAddedToDataSet++;
}
}
// skip remaining rows of the first resultset
}
else
{
rowsAddedToDataSet = FillLoadDataRow(mapping);
}
return(rowsAddedToDataSet);
}
private int FillLoadDataRowChunk(SchemaMapping mapping, int startRecord, int maxRecords)
{
DataReaderContainer dataReader = mapping.DataReader;
while (0 < startRecord)
{
if (!dataReader.Read())
{
return(0);
}
startRecord--;
}
int num = 0;
if (0 >= maxRecords)
{
return(this.FillLoadDataRow(mapping));
}
while ((num < maxRecords) && dataReader.Read())
{
if (this._hasFillErrorHandler)
{
try
{
mapping.LoadDataRowWithClear();
num++;
}
catch (Exception exception)
{
if (!ADP.IsCatchableExceptionType(exception))
{
throw;
}
ADP.TraceExceptionForCapture(exception);
this.OnFillErrorHandler(exception, mapping.DataTable, mapping.DataValues);
}
}
else
{
mapping.LoadDataRow();
num++;
}
}
return(num);
}
internal object FillSchemaFromReader(DataSet dataset, DataTable datatable, SchemaType schemaType, string srcTable, IDataReader dataReader)
{
DataTable[] tables = null;
int index = 0;
do
{
DataReaderContainer container = DataReaderContainer.Create(dataReader, this.ReturnProviderSpecificTypes);
if (0 < container.FieldCount)
{
string sourceTableName = null;
if (dataset != null)
{
sourceTableName = GetSourceTableName(srcTable, index);
index++;
}
SchemaMapping mapping = new SchemaMapping(this, dataset, datatable, container, true, schemaType, sourceTableName, false, null, null);
if (datatable != null)
{
return(mapping.DataTable);
}
if (mapping.DataTable != null)
{
if (tables == null)
{
tables = new DataTable[] { mapping.DataTable };
}
else
{
tables = AddDataTableToArray(tables, mapping.DataTable);
}
}
}
}while (dataReader.NextResult());
object obj2 = tables;
if ((obj2 == null) && (datatable == null))
{
obj2 = new DataTable[0];
}
return(obj2);
}
protected virtual int Fill(DataSet dataSet, string srcTable, IDataReader dataReader, int startRecord, int maxRecords)
{
int num;
IntPtr ptr;
Bid.ScopeEnter(out ptr, "<comm.DataAdapter.Fill|API> %d#, dataSet, srcTable, dataReader, startRecord, maxRecords\n", this.ObjectID);
try
{
if (dataSet == null)
{
throw ADP.FillRequires("dataSet");
}
if (ADP.IsEmpty(srcTable))
{
throw ADP.FillRequiresSourceTableName("srcTable");
}
if (dataReader == null)
{
throw ADP.FillRequires("dataReader");
}
if (startRecord < 0)
{
throw ADP.InvalidStartRecord("startRecord", startRecord);
}
if (maxRecords < 0)
{
throw ADP.InvalidMaxRecords("maxRecords", maxRecords);
}
if (dataReader.IsClosed)
{
return(0);
}
DataReaderContainer container = DataReaderContainer.Create(dataReader, this.ReturnProviderSpecificTypes);
num = this.FillFromReader(dataSet, null, srcTable, container, startRecord, maxRecords, null, null);
}
finally
{
Bid.ScopeLeave(ref ptr);
}
return(num);
}
protected virtual int Fill(DataSet dataSet, string srcTable, IDataReader dataReader, int startRecord, int maxRecords)
{
long logScopeId = DataCommonEventSource.Log.EnterScope("<comm.DataAdapter.Fill|API> {0}, dataSet, srcTable, dataReader, startRecord, maxRecords", ObjectID);
try
{
if (null == dataSet)
{
throw ADP.FillRequires(nameof(dataSet));
}
if (string.IsNullOrEmpty(srcTable))
{
throw ADP.FillRequiresSourceTableName(nameof(srcTable));
}
if (null == dataReader)
{
throw ADP.FillRequires(nameof(dataReader));
}
if (startRecord < 0)
{
throw ADP.InvalidStartRecord(nameof(startRecord), startRecord);
}
if (maxRecords < 0)
{
throw ADP.InvalidMaxRecords(nameof(maxRecords), maxRecords);
}
if (dataReader.IsClosed)
{
return(0);
}
// user must Close/Dispose of the dataReader
DataReaderContainer readerHandler = DataReaderContainer.Create(dataReader, ReturnProviderSpecificTypes);
return(FillFromReader(dataSet, null, srcTable, readerHandler, startRecord, maxRecords, null, null));
}
finally
{
DataCommonEventSource.Log.ExitScope(logScopeId);
}
}
virtual protected int Fill(DataSet dataSet, string srcTable, IDataReader dataReader, int startRecord, int maxRecords) // V1.2.3300, DbDataAdapter V1.0.3300
{
IntPtr hscp;
Bid.ScopeEnter(out hscp, "<comm.DataAdapter.Fill|API> %d#, dataSet, srcTable, dataReader, startRecord, maxRecords\n", ObjectID);
try {
if (null == dataSet)
{
throw ADP.FillRequires("dataSet");
}
if (ADP.IsEmpty(srcTable))
{
throw ADP.FillRequiresSourceTableName("srcTable");
}
if (null == dataReader)
{
throw ADP.FillRequires("dataReader");
}
if (startRecord < 0)
{
throw ADP.InvalidStartRecord("startRecord", startRecord);
}
if (maxRecords < 0)
{
throw ADP.InvalidMaxRecords("maxRecords", maxRecords);
}
if (dataReader.IsClosed)
{
return(0);
}
// user must Close/Dispose of the dataReader
DataReaderContainer readerHandler = DataReaderContainer.Create(dataReader, ReturnProviderSpecificTypes);
return(FillFromReader(dataSet, null, srcTable, readerHandler, startRecord, maxRecords, null, null));
}
finally {
Bid.ScopeLeave(ref hscp);
}
}
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());
}
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)
{
// 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);
}
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);
}
protected virtual int Fill(DataTable[] dataTables, IDataReader dataReader, int startRecord, int maxRecords)
{
int num3;
IntPtr ptr;
Bid.ScopeEnter(out ptr, "<comm.DataAdapter.Fill|API> %d#, dataTables[], dataReader, startRecord, maxRecords\n", this.ObjectID);
try
{
ADP.CheckArgumentLength(dataTables, "tables");
if (((dataTables == null) || (dataTables.Length == 0)) || (dataTables[0] == null))
{
throw ADP.FillRequires("dataTable");
}
if (dataReader == null)
{
throw ADP.FillRequires("dataReader");
}
if ((1 < dataTables.Length) && ((startRecord != 0) || (maxRecords != 0)))
{
throw ADP.NotSupported();
}
int num2 = 0;
bool enforceConstraints = false;
DataSet dataSet = dataTables[0].DataSet;
try
{
if (dataSet != null)
{
enforceConstraints = dataSet.EnforceConstraints;
dataSet.EnforceConstraints = false;
}
for (int i = 0; i < dataTables.Length; i++)
{
if (dataReader.IsClosed)
{
goto Label_00DE;
}
DataReaderContainer container = DataReaderContainer.Create(dataReader, this.ReturnProviderSpecificTypes);
if (container.FieldCount > 0)
{
if ((0 < i) && !this.FillNextResult(container))
{
goto Label_00DE;
}
int num4 = this.FillFromReader(null, dataTables[i], null, container, startRecord, maxRecords, null, null);
if (i == 0)
{
num2 = num4;
}
}
}
}
catch (ConstraintException)
{
enforceConstraints = false;
throw;
}
finally
{
if (enforceConstraints)
{
dataSet.EnforceConstraints = true;
}
}
Label_00DE:
num3 = num2;
}
finally
{
Bid.ScopeLeave(ref ptr);
}
return(num3);
}
protected virtual int Fill(DataTable[] dataTables, IDataReader dataReader, int startRecord, int maxRecords)
{
long logScopeId = DataCommonEventSource.Log.EnterScope("<comm.DataAdapter.Fill|API> {0}, dataTables[], dataReader, startRecord, maxRecords", ObjectID);
try
{
ADP.CheckArgumentLength(dataTables, nameof(dataTables));
if ((null == dataTables) || (0 == dataTables.Length) || (null == dataTables[0]))
{
throw ADP.FillRequires("dataTable");
}
if (null == dataReader)
{
throw ADP.FillRequires(nameof(dataReader));
}
if ((1 < dataTables.Length) && ((0 != startRecord) || (0 != maxRecords)))
{
throw ADP.NotSupported(); // FillChildren is not supported with FillPage
}
int result = 0;
bool enforceContraints = false;
DataSet commonDataSet = dataTables[0].DataSet;
try
{
if (null != commonDataSet)
{
enforceContraints = commonDataSet.EnforceConstraints;
commonDataSet.EnforceConstraints = false;
}
for (int i = 0; i < dataTables.Length; ++i)
{
Debug.Assert(null != dataTables[i], "null DataTable Fill");
if (dataReader.IsClosed)
{
#if DEBUG
Debug.Assert(!_debugHookNonEmptySelectCommand, "Debug hook asserts data reader should be open");
#endif
break;
}
DataReaderContainer readerHandler = DataReaderContainer.Create(dataReader, ReturnProviderSpecificTypes);
AssertReaderHandleFieldCount(readerHandler);
if (readerHandler.FieldCount <= 0)
{
if (i == 0)
{
bool lastFillNextResult;
do
{
lastFillNextResult = FillNextResult(readerHandler);
}while (lastFillNextResult && readerHandler.FieldCount <= 0);
if (!lastFillNextResult)
{
break;
}
}
else
{
continue;
}
}
if ((0 < i) && !FillNextResult(readerHandler))
{
break;
}
// user must Close/Dispose of the dataReader
// user will have to call NextResult to access remaining results
int count = FillFromReader(null, dataTables[i], null, readerHandler, startRecord, maxRecords, null, null);
if (0 == i)
{
result = count;
}
}
}
catch (ConstraintException)
{
enforceContraints = false;
throw;
}
finally
{
if (enforceContraints)
{
commonDataSet.EnforceConstraints = true;
}
}
return(result);
}
finally
{
DataCommonEventSource.Log.ExitScope(logScopeId);
}
}
internal int FillFromReader(DataSet dataset, DataTable datatable, string srcTable, DataReaderContainer dataReader, int startRecord, int maxRecords, DataColumn parentChapterColumn, object parentChapterValue)
{
int result = 0;
int num = 0;
do
{
if (0 < dataReader.FieldCount)
{
SchemeMap schemaMapping = this.FillMapping(dataset, datatable, srcTable, dataReader, num, parentChapterColumn, parentChapterValue);
num++;
if (schemaMapping != null && schemaMapping.DataValues != null && schemaMapping.DataTable != null)
{
schemaMapping.DataTable.BeginLoadData();
try
{
if (1 == num && (0 < startRecord || 0 < maxRecords))
{
result = this.FillLoadDataRowChunk(schemaMapping, startRecord, maxRecords);
}
else
{
int num2 = this.FillLoadDataRow(schemaMapping);
if (1 == num)
{
result = num2;
}
}
}
finally
{
schemaMapping.DataTable.EndLoadData();
}
if (datatable != null)
{
break;
}
}
}
}
while (dataReader.NextResult());
return result;
}
private void AssertReaderHandleFieldCount(DataReaderContainer readerHandler)
{
#if DEBUG
Debug.Assert(!_debugHookNonEmptySelectCommand || readerHandler.FieldCount > 0, "Scenario expects non-empty results but no fields reported by reader");
#endif
}
private static void AssertReaderHandleFieldCount(DataReaderContainer readerHandler)
{
#if DEBUG
Debug.Assert(readerHandler.FieldCount > 0, "Scenario expects non-empty results but no fields reported by reader");
#endif
}
private SchemeMap FillMapping(DataSet dataset, DataTable datatable, string srcTable, DataReaderContainer dataReader, int schemaCount, DataColumn parentChapterColumn, object parentChapterValue)
{
bool keyInfo = MissingSchemaAction.AddWithKey == this.MissingSchemaAction;
string sourceTableName = null;
if (dataset != null)
{
sourceTableName = NativeDataAdapter.GetSourceTableName(srcTable, schemaCount);
}
return new SchemeMap(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)
{
return(FillFromReader(dataset, datatable, srcTable, dataReader, startRecord, maxRecords, null, null));
}
private int FillFromReaderLight(DataTable datatable, DataReaderContainer dataReader)
{
SchemeMap schemaMapping = this.FillMapping(datatable, dataReader);
schemaMapping.DataTable.BeginLoadData();
int result = this.FillLoadDataRow(schemaMapping);
schemaMapping.DataTable.EndLoadData();
return result;
}
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));
}
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 (_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) when(ADP.IsCatchableExceptionType(e))
{
ADP.TraceExceptionForCapture(e);
OnFillErrorHandler(e, null, null);
}
}
else
{
mapping = FillMappingInternal(dataset, datatable, srcTable, dataReader, schemaCount, parentChapterColumn, parentChapterValue);
}
return(mapping);
}
private SchemeMap FillMapping(DataTable datatable, DataReaderContainer dataReader)
{
return new SchemeMap(this, null, datatable, dataReader, false, SchemaType.Mapped, null, true, null, null);
}
