/// <summary>
/// Determines whether the specified <see cref="KeyColumn"/> is present in this collection.
/// </summary>
/// <param name="keyColumn">The key column.</param>
/// <returns>Whether the specified <see cref="KeyColumn"/> is present in this collection.</returns>
public bool Contains(KeyColumn keyColumn)
{
return List.Contains(keyColumn);
}
/// <summary>
/// Creates a <see cref="TableDefinition"/> object from a <see cref="JET_OPENTEMPORARYTABLE"/>
/// object, suitable for caching.
/// </summary>
/// <param name="tableDefinition">The table definition.</param>
/// <param name="openTemporaryTable">The open temporary table.</param>
/// <returns>A <see cref="TableDefinition"/> object suitable for caching.</returns>
private static TableDefinition MakeTableDefinitionToCache(
TableDefinition tableDefinition,
JET_OPENTEMPORARYTABLE openTemporaryTable)
{
// set the new table properties
TableDefinition tableDefinitionToCache = new TableDefinition(tableDefinition.Name, tableDefinition.Type);
// add the columns complete with the columnids generated when the
// TT was created
//
// NOTE: this processing loop has to mirror the loop used to generate
// the columndefs in MakeOpenTemporaryTable
int currentColumndef = 0;
foreach (IndexDefinition indexDefinition in tableDefinition.Indices)
{
foreach (KeyColumn keyColumn in indexDefinition.KeyColumns)
{
ColumnDefinition columnDefinition = tableDefinition.Columns[keyColumn.Name];
Columnid columnid = new Columnid(
columnDefinition.Name,
openTemporaryTable.prgcolumnid[currentColumndef],
DatabaseCommon.ColtypFromColumnDefinition(columnDefinition),
columnDefinition.IsAscii);
ColumnDefinition columnDefinitionToCache = new ColumnDefinition(columnid);
columnDefinitionToCache.Flags = columnDefinition.Flags;
columnDefinitionToCache.MaxLength = columnDefinition.MaxLength;
columnDefinitionToCache.ReadOnly = true;
tableDefinitionToCache.Columns.Add(columnDefinitionToCache);
currentColumndef++;
}
}
// next collect the rest of the columns and put them after the key
// columns, skipping over the columns we already added
foreach (ColumnDefinition columnDefinition in tableDefinition.Columns)
{
bool alreadyAdded = false;
foreach (IndexDefinition indexDefinition in tableDefinition.Indices)
{
foreach (KeyColumn keyColumn in indexDefinition.KeyColumns)
{
if (keyColumn.Name.ToLower(CultureInfo.InvariantCulture) == columnDefinition.Name.ToLower(CultureInfo.InvariantCulture))
{
alreadyAdded = true;
}
}
}
if (!alreadyAdded)
{
Columnid columnid = new Columnid(
columnDefinition.Name,
openTemporaryTable.prgcolumnid[currentColumndef],
DatabaseCommon.ColtypFromColumnDefinition(columnDefinition),
columnDefinition.IsAscii);
ColumnDefinition columnDefinitionToCache = new ColumnDefinition(columnid);
columnDefinitionToCache.Flags = columnDefinition.Flags;
columnDefinitionToCache.MaxLength = columnDefinition.MaxLength;
columnDefinitionToCache.ReadOnly = true;
tableDefinitionToCache.Columns.Add(columnDefinitionToCache);
currentColumndef++;
}
}
tableDefinitionToCache.Columns.ReadOnly = true;
// add the indices
foreach (IndexDefinition indexDefinition in tableDefinition.Indices)
{
IndexDefinition indexDefinitionToCache = new IndexDefinition(indexDefinition.Name);
indexDefinitionToCache.Flags = indexDefinition.Flags;
indexDefinitionToCache.Density = 100;
indexDefinitionToCache.CultureInfo = indexDefinition.CultureInfo;
indexDefinitionToCache.CompareOptions = indexDefinition.CompareOptions;
indexDefinitionToCache.MaxKeyLength = indexDefinition.MaxKeyLength;
foreach (KeyColumn keyColumn in indexDefinition.KeyColumns)
{
Columnid columnid = tableDefinitionToCache.Columns[keyColumn.Name].Columnid;
KeyColumn keyColumnToCache = new KeyColumn(columnid, keyColumn.IsAscending);
indexDefinitionToCache.KeyColumns.Add(keyColumnToCache);
}
indexDefinitionToCache.KeyColumns.ReadOnly = true;
indexDefinitionToCache.ReadOnly = true;
tableDefinitionToCache.Indices.Add(indexDefinitionToCache);
}
tableDefinitionToCache.Indices.ReadOnly = true;
// return the table definition
return(tableDefinitionToCache);
}
/// <summary>
/// Removes the specified key column.
/// </summary>
/// <param name="keyColumn">The key column.</param>
public void Remove(KeyColumn keyColumn)
{
List.Remove(keyColumn);
}
/// <summary>
/// Adds the specified key column.
/// </summary>
/// <param name="keyColumn">The key column.</param>
public void Add(KeyColumn keyColumn)
{
List.Add(keyColumn);
}
/// <summary>
/// Gets the index of the specified <see cref="KeyColumn"/>.
/// </summary>
/// <param name="keyColumn">The key column.</param>
/// <returns>An index to be used.</returns>
public int IndexOf(KeyColumn keyColumn)
{
return List.IndexOf(keyColumn);
}
/// <summary>
/// Inserts the specified index.
/// </summary>
/// <param name="index">The index.</param>
/// <param name="keyColumn">The key column.</param>
public void Insert(int index, KeyColumn keyColumn)
{
List.Insert(index, keyColumn);
}
/// <summary>
/// Removes the specified key column.
/// </summary>
/// <param name="keyColumn">The key column.</param>
public void Remove(KeyColumn keyColumn)
{
List.Remove(keyColumn);
}
/// <summary>
/// Inserts the specified index.
/// </summary>
/// <param name="index">The index.</param>
/// <param name="keyColumn">The key column.</param>
public void Insert(int index, KeyColumn keyColumn)
{
List.Insert(index, keyColumn);
}
/// <summary>
/// Gets the index of the specified <see cref="KeyColumn"/>.
/// </summary>
/// <param name="keyColumn">The key column.</param>
/// <returns>An index to be used.</returns>
public int IndexOf(KeyColumn keyColumn)
{
return(List.IndexOf(keyColumn));
}
/// <summary>
/// Adds the specified key column.
/// </summary>
/// <param name="keyColumn">The key column.</param>
public void Add(KeyColumn keyColumn)
{
List.Add(keyColumn);
}
/// <summary>
/// Determines whether the specified <see cref="KeyColumn"/> is present in this collection.
/// </summary>
/// <param name="keyColumn">The key column.</param>
/// <returns>Whether the specified <see cref="KeyColumn"/> is present in this collection.</returns>
public bool Contains(KeyColumn keyColumn)
{
return(List.Contains(keyColumn));
}
