public DataTable GetOleDbSchemaTable(Guid schema, object[] restrictions) // MDAC 61846
{
OleDbConnection.ExecutePermission.Demand();
IntPtr hscp;
Bid.ScopeEnter(out hscp, "<oledb.OleDbConnection.GetOleDbSchemaTable|API> %d#, schema=%ls, restrictions\n", ObjectID, schema);
try {
CheckStateOpen(ADP.GetOleDbSchemaTable);
OleDbConnectionInternal connection = GetOpenConnection();
if (OleDbSchemaGuid.DbInfoLiterals == schema)
{
if ((null == restrictions) || (0 == restrictions.Length))
{
return(connection.BuildInfoLiterals());
}
throw ODB.InvalidRestrictionsDbInfoLiteral("restrictions");
}
else if (OleDbSchemaGuid.SchemaGuids == schema)
{
if ((null == restrictions) || (0 == restrictions.Length))
{
return(connection.BuildSchemaGuids());
}
throw ODB.InvalidRestrictionsSchemaGuids("restrictions");
}
else if (OleDbSchemaGuid.DbInfoKeywords == schema)
{
if ((null == restrictions) || (0 == restrictions.Length))
{
return(connection.BuildInfoKeywords());
}
throw ODB.InvalidRestrictionsDbInfoKeywords("restrictions");
}
if (connection.SupportSchemaRowset(schema))
{
return(connection.GetSchemaRowset(schema, restrictions));
}
else
{
using (IDBSchemaRowsetWrapper wrapper = connection.IDBSchemaRowset()) {
if (null == wrapper.Value)
{
throw ODB.SchemaRowsetsNotSupported(Provider); // MDAC 72689
}
}
throw ODB.NotSupportedSchemaTable(schema, this); // MDAC 63279
}
}
finally {
Bid.ScopeLeave(ref hscp);
}
}
public DataTable GetOleDbSchemaTable(Guid schema, object[] restrictions)
{
DataTable table;
IntPtr ptr;
ExecutePermission.Demand();
Bid.ScopeEnter(out ptr, "<oledb.OleDbConnection.GetOleDbSchemaTable|API> %d#, schema=%ls, restrictions\n", this.ObjectID, schema);
try
{
this.CheckStateOpen("GetOleDbSchemaTable");
OleDbConnectionInternal openConnection = this.GetOpenConnection();
if (OleDbSchemaGuid.DbInfoLiterals == schema)
{
if ((restrictions != null) && (restrictions.Length != 0))
{
throw ODB.InvalidRestrictionsDbInfoLiteral("restrictions");
}
return(openConnection.BuildInfoLiterals());
}
if (OleDbSchemaGuid.SchemaGuids == schema)
{
if ((restrictions != null) && (restrictions.Length != 0))
{
throw ODB.InvalidRestrictionsSchemaGuids("restrictions");
}
return(openConnection.BuildSchemaGuids());
}
if (OleDbSchemaGuid.DbInfoKeywords == schema)
{
if ((restrictions != null) && (restrictions.Length != 0))
{
throw ODB.InvalidRestrictionsDbInfoKeywords("restrictions");
}
return(openConnection.BuildInfoKeywords());
}
if (openConnection.SupportSchemaRowset(schema))
{
return(openConnection.GetSchemaRowset(schema, restrictions));
}
using (IDBSchemaRowsetWrapper wrapper = openConnection.IDBSchemaRowset())
{
if (wrapper.Value == null)
{
throw ODB.SchemaRowsetsNotSupported(this.Provider);
}
}
throw ODB.NotSupportedSchemaTable(schema, this);
}
finally
{
Bid.ScopeLeave(ref ptr);
}
return(table);
}
public DataTable GetOleDbSchemaTable(Guid schema, object[] restrictions)
{
CheckStateOpen(ADP.GetOleDbSchemaTable);
OleDbConnectionInternal connection = GetOpenConnection();
if (OleDbSchemaGuid.DbInfoLiterals == schema)
{
if ((null == restrictions) || (0 == restrictions.Length))
{
return(connection.BuildInfoLiterals());
}
throw ODB.InvalidRestrictionsDbInfoLiteral("restrictions");
}
else if (OleDbSchemaGuid.SchemaGuids == schema)
{
if ((null == restrictions) || (0 == restrictions.Length))
{
return(connection.BuildSchemaGuids());
}
throw ODB.InvalidRestrictionsSchemaGuids("restrictions");
}
else if (OleDbSchemaGuid.DbInfoKeywords == schema)
{
if ((null == restrictions) || (0 == restrictions.Length))
{
return(connection.BuildInfoKeywords());
}
throw ODB.InvalidRestrictionsDbInfoKeywords("restrictions");
}
if (connection.SupportSchemaRowset(schema))
{
return(connection.GetSchemaRowset(schema, restrictions));
}
else
{
using (IDBSchemaRowsetWrapper wrapper = connection.IDBSchemaRowset())
{
if (null == wrapper.Value)
{
throw ODB.SchemaRowsetsNotSupported(Provider);
}
}
throw ODB.NotSupportedSchemaTable(schema, this);
}
}
