// Copyright (C) Tim Coleman, 2003
//
-#if NET_1_2
+//
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+#if NET_2_0 || TARGET_JVM
using System.ComponentModel;
using System.Data;
+using System.Text;
namespace System.Data.Common {
public abstract class DbCommandBuilder : Component
{
+ bool _setAllValues = false;
+ bool _disposed = false;
+
+ DataTable _dbSchemaTable;
+ DbDataAdapter _dbDataAdapter = null;
+ private CatalogLocation _catalogLocation = CatalogLocation.Start;
+ private ConflictOption _conflictOption;
+
+ private string _tableName;
+ private string _catalogSeperator = ".";
+ private string _quotePrefix;
+ private string _quoteSuffix;
+ private string _schemaSeperator = ".";
+ private DbCommand _dbCommand;
+
+ // Used to construct WHERE clauses
+ static readonly string clause1 = "({0} = 1 AND {1} IS NULL)";
+ static readonly string clause2 = "({0} = {1})";
+
+ DbCommand _deleteCommand;
+ DbCommand _insertCommand;
+ DbCommand _updateCommand;
+
#region Constructors
- [MonoTODO]
protected DbCommandBuilder ()
{
}
#region Properties
- [MonoTODO]
- public virtual CatalogLocation CatalogLocation {
- get { throw new NotImplementedException (); }
- set { throw new NotImplementedException (); }
+ private void BuildCache (bool closeConnection)
+ {
+ DbCommand sourceCommand = SourceCommand;
+ if (sourceCommand == null)
+ throw new InvalidOperationException ("The DataAdapter.SelectCommand property needs to be initialized.");
+ DbConnection connection = sourceCommand.Connection;
+ if (connection == null)
+ throw new InvalidOperationException ("The DataAdapter.SelectCommand.Connection property needs to be initialized.");
+
+ if (_dbSchemaTable == null) {
+ if (connection.State == ConnectionState.Open)
+ closeConnection = false;
+ else
+ connection.Open ();
+
+ DbDataReader reader = sourceCommand.ExecuteReader (CommandBehavior.SchemaOnly | CommandBehavior.KeyInfo);
+ _dbSchemaTable = reader.GetSchemaTable ();
+ reader.Close ();
+ if (closeConnection)
+ connection.Close ();
+ BuildInformation (_dbSchemaTable);
+ }
}
-
- [MonoTODO]
- public virtual string CatalogSeparator {
- get { throw new NotImplementedException (); }
- set { throw new NotImplementedException (); }
+
+ private string QuotedTableName {
+ get { return GetQuotedString (_tableName); }
}
- [MonoTODO]
- public virtual ConflictOptions ConflictDetection {
- get { throw new NotImplementedException (); }
- set { throw new NotImplementedException (); }
+ private string GetQuotedString (string value)
+ {
+ if (value == String.Empty || value == null)
+ return value;
+ if (_quotePrefix == String.Empty && _quoteSuffix == String.Empty)
+ return value;
+ return String.Format ("{0}{1}{2}", _quotePrefix, value, _quoteSuffix);
}
- [MonoTODO]
- public DbDataAdapter DataAdapter {
- get { throw new NotImplementedException (); }
- set { throw new NotImplementedException (); }
+ private void BuildInformation (DataTable schemaTable)
+ {
+ _tableName = String.Empty;
+ foreach (DataRow schemaRow in schemaTable.Rows) {
+ if (schemaRow.IsNull ("BaseTableName") || (string) schemaRow ["BaseTableName"] == String.Empty)
+ continue;
+
+ if (_tableName == String.Empty)
+ _tableName = (string) schemaRow ["BaseTableName"];
+ else if (_tableName != (string) schemaRow["BaseTableName"])
+ throw new InvalidOperationException ("Dynamic SQL generation is not supported against multiple base tables.");
+ }
+ if (_tableName == String.Empty)
+ throw new InvalidOperationException ("Dynamic SQL generation is not supported with no base table.");
+ _dbSchemaTable = schemaTable;
}
- protected abstract DbProviderFactory ProviderFactory { get; }
-
- [MonoTODO]
- public virtual string QuotePrefix {
- get { throw new NotImplementedException (); }
- set { throw new NotImplementedException (); }
+ private bool IncludedInInsert (DataRow schemaRow)
+ {
+ // If the parameter has one of these properties, then we don't include it in the insert:
+ // AutoIncrement, Hidden, Expression, RowVersion, ReadOnly
+
+ if (!schemaRow.IsNull ("IsAutoIncrement") && (bool) schemaRow ["IsAutoIncrement"])
+ return false;
+// if (!schemaRow.IsNull ("IsHidden") && (bool) schemaRow ["IsHidden"])
+// return false;
+ if (!schemaRow.IsNull ("IsExpression") && (bool) schemaRow ["IsExpression"])
+ return false;
+ if (!schemaRow.IsNull ("IsRowVersion") && (bool) schemaRow ["IsRowVersion"])
+ return false;
+ if (!schemaRow.IsNull ("IsReadOnly") && (bool) schemaRow ["IsReadOnly"])
+ return false;
+ return true;
}
- [MonoTODO]
- public virtual string QuoteSuffix {
- get { throw new NotImplementedException (); }
- set { throw new NotImplementedException (); }
+ private bool IncludedInUpdate (DataRow schemaRow)
+ {
+ // If the parameter has one of these properties, then we don't include it in the insert:
+ // AutoIncrement, Hidden, RowVersion
+
+ if (!schemaRow.IsNull ("IsAutoIncrement") && (bool) schemaRow ["IsAutoIncrement"])
+ return false;
+// if (!schemaRow.IsNull ("IsHidden") && (bool) schemaRow ["IsHidden"])
+// return false;
+ if (!schemaRow.IsNull ("IsRowVersion") && (bool) schemaRow ["IsRowVersion"])
+ return false;
+ if (!schemaRow.IsNull ("IsExpression") && (bool) schemaRow ["IsExpression"])
+ return false;
+ if (!schemaRow.IsNull ("IsReadOnly") && (bool) schemaRow ["IsReadOnly"])
+ return false;
+
+ return true;
}
- [MonoTODO]
- public SchemaLocation SchemaLocation {
- get { throw new NotImplementedException (); }
- set { throw new NotImplementedException (); }
+ private bool IncludedInWhereClause (DataRow schemaRow)
+ {
+ if ((bool) schemaRow ["IsLong"])
+ return false;
+ return true;
}
- [MonoTODO]
- public virtual string SchemaSeparator {
- get { throw new NotImplementedException (); }
- set { throw new NotImplementedException (); }
+ private DbCommand CreateDeleteCommand (bool option)
+ {
+ // If no table was found, then we can't do an delete
+ if (QuotedTableName == String.Empty)
+ return null;
+
+ CreateNewCommand (ref _deleteCommand);
+
+ string command = String.Format ("DELETE FROM {0}", QuotedTableName);
+ StringBuilder columns = new StringBuilder ();
+ StringBuilder whereClause = new StringBuilder ();
+ string dsColumnName = String.Empty;
+ bool keyFound = false;
+ int parmIndex = 1;
+
+ foreach (DataRow schemaRow in _dbSchemaTable.Rows) {
+ if ((bool)schemaRow["IsExpression"] == true)
+ continue;
+ if (!IncludedInWhereClause (schemaRow))
+ continue;
+
+ if (whereClause.Length > 0)
+ whereClause.Append (" AND ");
+
+ bool isKey = (bool) schemaRow ["IsKey"];
+ DbParameter parameter = null;
+
+ if (isKey)
+ keyFound = true;
+
+ //ms.net 1.1 generates the null check for columns even if AllowDBNull is false
+ //while ms.net 2.0 does not. Anyways, since both forms are logically equivalent
+ //following the 2.0 approach
+ bool allowNull = (bool) schemaRow ["AllowDBNull"];
+ if (!isKey && allowNull) {
+ parameter = _deleteCommand.CreateParameter ();
+ if (option) {
+ parameter.ParameterName = String.Format ("@{0}",
+ schemaRow ["BaseColumnName"]);
+ } else {
+ parameter.ParameterName = String.Format ("@p{0}", parmIndex++);
+ }
+ String sourceColumnName = (string) schemaRow ["BaseColumnName"];
+ parameter.Value = 1;
+
+ whereClause.Append ("(");
+ whereClause.Append (String.Format (clause1, parameter.ParameterName,
+ GetQuotedString (sourceColumnName)));
+ whereClause.Append (" OR ");
+ }
+
+ int index = 0;
+ if (option) {
+ index = CreateParameter (_deleteCommand, schemaRow);
+ } else {
+ index = CreateParameter (_deleteCommand, parmIndex++, schemaRow);
+ }
+ parameter = _deleteCommand.Parameters [index];
+ parameter.SourceVersion = DataRowVersion.Original;
+
+ whereClause.Append (String.Format (clause2, GetQuotedString (parameter.SourceColumn), parameter.ParameterName));
+
+ if (!isKey && allowNull)
+ whereClause.Append (")");
+ }
+ if (!keyFound)
+ throw new InvalidOperationException ("Dynamic SQL generation for the DeleteCommand is not supported against a SelectCommand that does not return any key column information.");
+
+ // We're all done, so bring it on home
+ string sql = String.Format ("{0} WHERE ({1})", command, whereClause.ToString ());
+ _deleteCommand.CommandText = sql;
+ return _deleteCommand;
}
- #endregion // Properties
-
- #region Methods
-
- protected abstract void ApplyParameterInfo (IDbDataParameter p, DataRow row);
-
- [MonoTODO]
- protected virtual void BuildCache (bool closeConnection, DataRow dataRow)
+ private DbCommand CreateInsertCommand (bool option)
{
- throw new NotImplementedException ();
+ if (QuotedTableName == String.Empty)
+ return null;
+
+ CreateNewCommand (ref _insertCommand);
+
+ string command = String.Format ("INSERT INTO {0}", QuotedTableName);
+ string sql;
+ StringBuilder columns = new StringBuilder ();
+ StringBuilder values = new StringBuilder ();
+ string dsColumnName = String.Empty;
+
+ int parmIndex = 1;
+ foreach (DataRow schemaRow in _dbSchemaTable.Rows) {
+ if (!IncludedInInsert (schemaRow))
+ continue;
+
+ if (parmIndex > 1) {
+ columns.Append (", ");
+ values.Append (", ");
+ }
+
+ int index = -1;
+ if (option) {
+ index = CreateParameter (_insertCommand, schemaRow);
+ } else {
+ index = CreateParameter (_insertCommand, parmIndex++, schemaRow);
+ }
+ DbParameter parameter = _insertCommand.Parameters [index];
+ parameter.SourceVersion = DataRowVersion.Current;
+
+ columns.Append (GetQuotedString (parameter.SourceColumn));
+ values.Append (parameter.ParameterName);
+ }
+
+ sql = String.Format ("{0} ({1}) VALUES ({2})", command, columns.ToString (), values.ToString ());
+ _insertCommand.CommandText = sql;
+ return _insertCommand;
}
- [MonoTODO]
- protected override void Dispose (bool disposing)
+ private void CreateNewCommand (ref DbCommand command)
{
- throw new NotImplementedException ();
+ DbCommand sourceCommand = SourceCommand;
+ if (command == null) {
+ command = sourceCommand.Connection.CreateCommand ();
+ command.CommandTimeout = sourceCommand.CommandTimeout;
+ command.Transaction = sourceCommand.Transaction;
+ }
+ command.CommandType = CommandType.Text;
+ command.UpdatedRowSource = UpdateRowSource.None;
+ command.Parameters.Clear ();
}
- [MonoTODO]
- public static Delegate FindBUilder (MulticastDelegate mcd)
+ private DbCommand CreateUpdateCommand (bool option)
{
- throw new NotImplementedException ();
+ // If no table was found, then we can't do an update
+ if (QuotedTableName == String.Empty)
+ return null;
+
+ CreateNewCommand (ref _updateCommand);
+
+ string command = String.Format ("UPDATE {0} SET ", QuotedTableName);
+ StringBuilder columns = new StringBuilder ();
+ StringBuilder whereClause = new StringBuilder ();
+ int parmIndex = 1;
+ string dsColumnName = String.Empty;
+ bool keyFound = false;
+
+ // First, create the X=Y list for UPDATE
+ foreach (DataRow schemaRow in _dbSchemaTable.Rows) {
+ if (!IncludedInUpdate (schemaRow))
+ continue;
+ if (columns.Length > 0)
+ columns.Append (", ");
+
+
+ int index = -1;
+ if (option) {
+ index = CreateParameter (_updateCommand, schemaRow);
+ } else {
+ index = CreateParameter (_updateCommand, parmIndex++, schemaRow);
+ }
+ DbParameter parameter = _updateCommand.Parameters [index];
+ parameter.SourceVersion = DataRowVersion.Current;
+
+ columns.Append (String.Format ("{0} = {1}", GetQuotedString (parameter.SourceColumn), parameter.ParameterName));
+ }
+
+ // Now, create the WHERE clause. This may be optimizable, but it would be ugly to incorporate
+ // into the loop above. "Premature optimization is the root of all evil." -- Knuth
+ foreach (DataRow schemaRow in _dbSchemaTable.Rows) {
+ if ((bool) schemaRow ["IsExpression"] == true)
+ continue;
+
+ if (!IncludedInWhereClause (schemaRow))
+ continue;
+
+ if (whereClause.Length > 0)
+ whereClause.Append (" AND ");
+
+ bool isKey = (bool) schemaRow ["IsKey"];
+ DbParameter parameter = null;
+
+ if (isKey)
+ keyFound = true;
+
+ //ms.net 1.1 generates the null check for columns even if AllowDBNull is false
+ //while ms.net 2.0 does not. Anyways, since both forms are logically equivalent
+ //following the 2.0 approach
+ bool allowNull = (bool) schemaRow ["AllowDBNull"];
+ int index;
+ if (!isKey && allowNull) {
+ parameter = _updateCommand.CreateParameter ();
+ if (option) {
+ parameter.ParameterName = String.Format ("@{0}",
+ schemaRow ["BaseColumnName"]);
+ } else {
+ parameter.ParameterName = String.Format ("@p{0}", parmIndex++);
+ }
+ parameter.Value = 1;
+ whereClause.Append ("(");
+ whereClause.Append (String.Format (clause1, parameter.ParameterName,
+ GetQuotedString ((string) schemaRow ["BaseColumnName"])));
+ whereClause.Append (" OR ");
+ }
+
+ if (option) {
+ index = CreateParameter (_updateCommand, schemaRow);
+ } else {
+ index = CreateParameter (_updateCommand, parmIndex++, schemaRow);
+ }
+ parameter = _updateCommand.Parameters [index];
+ parameter.SourceVersion = DataRowVersion.Original;
+
+ whereClause.Append (String.Format (clause2, GetQuotedString (parameter.SourceColumn), parameter.ParameterName));
+
+ if (!isKey && allowNull)
+ whereClause.Append (")");
+ }
+ if (!keyFound)
+ throw new InvalidOperationException ("Dynamic SQL generation for the UpdateCommand is not supported against a SelectCommand that does not return any key column information.");
+
+ // We're all done, so bring it on home
+ string sql = String.Format ("{0}{1} WHERE ({2})", command, columns.ToString (), whereClause.ToString ());
+ _updateCommand.CommandText = sql;
+ return _updateCommand;
}
- [MonoTODO]
- public virtual string FormatLiteral (DbConnection connection, string dataTypeName, object value)
+ private int CreateParameter (DbCommand _dbCommand, int parmIndex, DataRow schemaRow)
{
- throw new NotImplementedException ();
+ DbParameter parameter = _dbCommand.CreateParameter ();
+ parameter.ParameterName = String.Format ("@p{0}", parmIndex);
+ parameter.SourceColumn = (string) schemaRow ["BaseColumnName"];
+ parameter.Size = (int) schemaRow ["ColumnSize"];
+ return _dbCommand.Parameters.Add (parameter);
}
- [MonoTODO]
- public DbCommand GetDeleteCommand ()
+ private int CreateParameter (DbCommand _dbCommand, DataRow schemaRow)
{
- throw new NotImplementedException ();
+ DbParameter parameter = _dbCommand.CreateParameter ();
+ parameter.ParameterName = String.Format ("@{0}",
+ schemaRow ["BaseColumnName"]);
+ parameter.SourceColumn = (string) schemaRow ["BaseColumnName"];
+ parameter.Size = (int) schemaRow ["ColumnSize"];
+ return _dbCommand.Parameters.Add (parameter);
}
- [MonoTODO]
- public DbCommand GetDeleteCommand (DataRow dataRow)
+ [DefaultValue (CatalogLocation.Start)]
+ public virtual CatalogLocation CatalogLocation {
+ get { return _catalogLocation; }
+ set { _catalogLocation = value; }
+ }
+
+ [DefaultValue (".")]
+ public virtual string CatalogSeparator {
+ get { return _catalogSeperator; }
+ set { if (value != null) _catalogSeperator = value; }
+ }
+
+ [DefaultValue (ConflictOption.CompareAllSearchableValues)]
+ public virtual ConflictOption ConflictOption {
+ get { return _conflictOption; }
+ set { _conflictOption = value; }
+ }
+
+ [DesignerSerializationVisibility (DesignerSerializationVisibility.Hidden)]
+ [Browsable (false)]
+ public DbDataAdapter DataAdapter {
+ get { return _dbDataAdapter; }
+ set { if (value != null) _dbDataAdapter = value; }
+ }
+
+ [DefaultValue ("")]
+ public virtual string QuotePrefix {
+ get { return _quotePrefix; }
+ set { if (value != null) _quotePrefix = value; }
+ }
+
+ [DefaultValue ("")]
+ public virtual string QuoteSuffix {
+ get { return _quoteSuffix; }
+ set { if (value != null) _quoteSuffix = value; }
+ }
+
+ [DefaultValue (".")]
+ public virtual string SchemaSeparator {
+ get { return _schemaSeperator; }
+ set { if (value != null) _schemaSeperator = value; }
+ }
+
+ [DefaultValue (false)]
+ public bool SetAllValues {
+ get { return _setAllValues; }
+ set { _setAllValues = value; }
+ }
+
+ private DbCommand SourceCommand {
+ get {
+ if (_dbDataAdapter != null)
+ return _dbDataAdapter.SelectCommand;
+ return null;
+ }
+ }
+ #endregion // Properties
+
+ #region Methods
+
+ protected abstract void ApplyParameterInfo (DbParameter parameter,
+ DataRow row,
+ StatementType statementType,
+ bool whereClause);
+
+ protected override void Dispose (bool disposing)
{
- throw new NotImplementedException ();
+ if (!_disposed) {
+ if (disposing) {
+ if (_insertCommand != null)
+ _insertCommand.Dispose ();
+ if (_deleteCommand != null)
+ _deleteCommand.Dispose ();
+ if (_updateCommand != null)
+ _updateCommand.Dispose ();
+ if (_dbSchemaTable != null)
+ _dbSchemaTable.Dispose ();
+ }
+ _disposed = true;
+ }
}
- [MonoTODO]
- public DbCommand GetInsertCommand ()
+ public DbCommand GetDeleteCommand ()
{
- throw new NotImplementedException ();
+ BuildCache (true);
+ if (_deleteCommand == null)
+ return CreateDeleteCommand (false);
+ return _deleteCommand;
}
- [MonoTODO]
- public DbCommand GetInsertCommand (DataRow dataRow)
+ public DbCommand GetDeleteCommand (bool option)
{
- throw new NotImplementedException ();
+ BuildCache (true);
+ if (_deleteCommand == null)
+ return CreateDeleteCommand (option);
+ return _deleteCommand;
}
- protected abstract string GetParameterName (int parameterOrdinal);
- protected abstract string GetParameterPlaceholder (int parameterOrdinal);
+ public DbCommand GetInsertCommand ()
+ {
+ BuildCache (true);
+ if (_insertCommand == null)
+ return CreateInsertCommand (false);
+ return _insertCommand;
+ }
- [MonoTODO]
- protected DbCommand GetSelectCommand ()
+ public DbCommand GetInsertCommand (bool option)
{
- throw new NotImplementedException ();
+ BuildCache (true);
+ if (_insertCommand == null)
+ return CreateInsertCommand (option);
+ return _insertCommand;
}
- [MonoTODO]
public DbCommand GetUpdateCommand ()
{
- throw new NotImplementedException ();
+ BuildCache (true);
+ if (_updateCommand == null)
+ return CreateUpdateCommand (false);
+ return _updateCommand;
}
- [MonoTODO]
- public DbCommand GetUpdateCommand (DataRow dataRow)
+ public DbCommand GetUpdateCommand (bool option)
{
- throw new NotImplementedException ();
+ BuildCache (true);
+ if (_updateCommand == null)
+ return CreateUpdateCommand (option);
+ return _updateCommand;
}
[MonoTODO]
throw new NotImplementedException ();
}
- [MonoTODO]
- protected internal static string[] ParseProcedureName (string procedure)
+ public virtual string QuoteIdentifier (string unquotedIdentifier)
{
- throw new NotImplementedException ();
+ if (unquotedIdentifier == null) {
+ throw new ArgumentNullException("Unquoted identifier parameter cannot be null");
+ }
+ return String.Format ("{0}{1}{2}", this.QuotePrefix, unquotedIdentifier, this.QuoteSuffix);
}
- [MonoTODO]
- public virtual string QuoteIdentifier (string unquotedIdentifier)
+ public virtual string UnquoteIdentifier (string quotedIdentifier)
{
- throw new NotImplementedException ();
+ if (quotedIdentifier == null) {
+ throw new ArgumentNullException ("Quoted identifier parameter cannot be null");
+ }
+ string unquotedIdentifier = quotedIdentifier.Trim ();
+ if (unquotedIdentifier.StartsWith (this.QuotePrefix)) {
+ unquotedIdentifier = unquotedIdentifier.Remove (0, 1);
+ }
+ if (unquotedIdentifier.EndsWith (this.QuoteSuffix)) {
+ unquotedIdentifier = unquotedIdentifier.Remove (unquotedIdentifier.Length - 1, 1);
+ }
+ return unquotedIdentifier;
}
- [MonoTODO]
public virtual void RefreshSchema ()
{
- throw new NotImplementedException ();
+ _tableName = String.Empty;
+ _dbSchemaTable = null;
+ CreateNewCommand (ref _deleteCommand);
+ CreateNewCommand (ref _updateCommand);
+ CreateNewCommand (ref _insertCommand);
}
- [MonoTODO]
- public virtual void ResolveObjectName (DbConnection connection, string objectType, string[] identifierParts)
+ protected void RowUpdatingHandler (RowUpdatingEventArgs args)
{
- throw new NotImplementedException ();
+ if (args.Command != null)
+ return;
+ try {
+ switch (args.StatementType) {
+ case StatementType.Insert:
+ args.Command = GetInsertCommand ();
+ break;
+ case StatementType.Update:
+ args.Command = GetUpdateCommand ();
+ break;
+ case StatementType.Delete:
+ args.Command = GetDeleteCommand ();
+ break;
+ }
+ } catch (Exception e) {
+ args.Errors = e;
+ args.Status = UpdateStatus.ErrorsOccurred;
+ }
}
- [MonoTODO]
- protected void RowUpdatingHandler (object sender, RowUpdatingEventArgs rowUpdatingEvent)
- {
- throw new NotImplementedException ();
- }
+ protected abstract string GetParameterName (int parameterOrdinal);
+ protected abstract string GetParameterName (String parameterName);
+ protected abstract string GetParameterPlaceholder (int parameterOrdinal);
protected abstract void SetRowUpdatingHandler (DbDataAdapter adapter);
- [MonoTODO]
- public virtual object UnformatLiteral (DbConnection connection, string dataTypeName, string literalValue)
+ protected virtual DataTable GetSchemaTable (DbCommand cmd)
{
- throw new NotImplementedException ();
- }
-
- [MonoTODO]
- public virtual string UnquoteIdentifier (string quotedIdentifier)
- {
- throw new NotImplementedException ();
+ using (DbDataReader rdr = cmd.ExecuteReader ())
+ return rdr.GetSchemaTable ();
}
#endregion // Methods
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