internal DataTable GetSchemaRowset(Guid schema, object[] restrictions)
{
DataTable table2;
IntPtr ptr;
Bid.ScopeEnter(out ptr, "<oledb.OleDbConnectionInternal.GetSchemaRowset|INFO> %d#, schema=%ls, restrictions\n", base.ObjectID, schema);
try
{
if (restrictions == null)
{
restrictions = new object[0];
}
DataTable table = null;
using (IDBSchemaRowsetWrapper wrapper = this.IDBSchemaRowset())
{
System.Data.Common.UnsafeNativeMethods.IDBSchemaRowset rowset2 = wrapper.Value;
if (rowset2 == null)
{
throw ODB.SchemaRowsetsNotSupported(this.Provider);
}
System.Data.Common.UnsafeNativeMethods.IRowset ppRowset = null;
Bid.Trace("<oledb.IDBSchemaRowset.GetRowset|API|OLEDB> %d#\n", base.ObjectID);
OleDbHResult result = rowset2.GetRowset(ADP.PtrZero, ref schema, restrictions.Length, restrictions, ref ODB.IID_IRowset, 0, ADP.PtrZero, out ppRowset);
Bid.Trace("<oledb.IDBSchemaRowset.GetRowset|API|OLEDB|RET> %08X{HRESULT}\n", result);
if (result < OleDbHResult.S_OK)
{
this.ProcessResults(result);
}
if (ppRowset != null)
{
using (OleDbDataReader reader = new OleDbDataReader(this.Connection, null, 0, CommandBehavior.Default))
{
reader.InitializeIRowset(ppRowset, ChapterHandle.DB_NULL_HCHAPTER, IntPtr.Zero);
reader.BuildMetaInfo();
reader.HasRowsRead();
table = new DataTable {
Locale = CultureInfo.InvariantCulture,
TableName = OleDbSchemaGuid.GetTextFromValue(schema)
};
OleDbDataAdapter.FillDataTable(reader, new DataTable[] { table });
}
}
return(table);
}
}
finally
{
Bid.ScopeLeave(ref ptr);
}
return(table2);
}
internal DataTable GetSchemaRowset(Guid schema, object[] restrictions)
{
IntPtr hscp;
Bid.ScopeEnter(out hscp, "<oledb.OleDbConnectionInternal.GetSchemaRowset|INFO> %d#, schema=%ls, restrictions\n", ObjectID, schema);
try {
if (null == restrictions) // MDAC 62243
{
restrictions = new object[0];
}
DataTable dataTable = null;
using (IDBSchemaRowsetWrapper wrapper = IDBSchemaRowset()) {
UnsafeNativeMethods.IDBSchemaRowset dbSchemaRowset = wrapper.Value;
if (null == dbSchemaRowset)
{
throw ODB.SchemaRowsetsNotSupported(Provider);
}
UnsafeNativeMethods.IRowset rowset = null;
OleDbHResult hr;
Bid.Trace("<oledb.IDBSchemaRowset.GetRowset|API|OLEDB> %d#\n", ObjectID);
hr = dbSchemaRowset.GetRowset(ADP.PtrZero, ref schema, restrictions.Length, restrictions, ref ODB.IID_IRowset, 0, ADP.PtrZero, out rowset);
Bid.Trace("<oledb.IDBSchemaRowset.GetRowset|API|OLEDB|RET> %08X{HRESULT}\n", hr);
if (hr < 0) // ignore infomsg
{
ProcessResults(hr);
}
if (null != rowset)
{
using (OleDbDataReader dataReader = new OleDbDataReader(Connection, null, 0, CommandBehavior.Default)) {
dataReader.InitializeIRowset(rowset, ChapterHandle.DB_NULL_HCHAPTER, IntPtr.Zero);
dataReader.BuildMetaInfo();
dataReader.HasRowsRead();
dataTable = new DataTable();
dataTable.Locale = CultureInfo.InvariantCulture;
dataTable.TableName = OleDbSchemaGuid.GetTextFromValue(schema);
OleDbDataAdapter.FillDataTable(dataReader, dataTable);
}
}
return(dataTable);
}
}
finally {
Bid.ScopeLeave(ref hscp);
}
}
internal DataTable GetSchemaRowset(Guid schema, object[] restrictions)
{
if (null == restrictions)
{
restrictions = Array.Empty <object>();
}
DataTable dataTable = null;
using (IDBSchemaRowsetWrapper wrapper = IDBSchemaRowset())
{
UnsafeNativeMethods.IDBSchemaRowset dbSchemaRowset = wrapper.Value;
if (null == dbSchemaRowset)
{
throw ODB.SchemaRowsetsNotSupported(Provider);
}
UnsafeNativeMethods.IRowset rowset = null;
OleDbHResult hr;
hr = dbSchemaRowset.GetRowset(ADP.PtrZero, ref schema, restrictions.Length, restrictions, ref ODB.IID_IRowset, 0, ADP.PtrZero, out rowset);
if (hr < 0)
{ // ignore infomsg
ProcessResults(hr);
}
if (null != rowset)
{
using (OleDbDataReader dataReader = new OleDbDataReader(Connection, null, 0, CommandBehavior.Default))
{
dataReader.InitializeIRowset(rowset, ChapterHandle.DB_NULL_HCHAPTER, IntPtr.Zero);
dataReader.BuildMetaInfo();
dataReader.HasRowsRead();
dataTable = new DataTable();
dataTable.Locale = CultureInfo.InvariantCulture;
dataTable.TableName = OleDbSchemaGuid.GetTextFromValue(schema);
OleDbDataAdapter.FillDataTable(dataReader, dataTable);
}
}
return(dataTable);
}
}
internal static ArgumentException NotSupportedSchemaTable(Guid schema, OleDbConnection connection)
{
return(ADP.Argument(SR.Format(SR.OleDb_NotSupportedSchemaTable, OleDbSchemaGuid.GetTextFromValue(schema), connection.Provider)));
}
internal static ArgumentException NotSupportedSchemaTable(Guid schema, OleDbConnection connection)
{
return(ADP.Argument(Res.GetString("OleDb_NotSupportedSchemaTable", new object[] { OleDbSchemaGuid.GetTextFromValue(schema), connection.Provider })));
}