/// <summary>
/// Visits the given <paramref name="alterColumnNode"/>.
/// </summary>
/// <param name="alterColumnNode"></param>
public override void Visit(IAlterColumnNode alterColumnNode)
{
Visit(alterColumnNode.ChildNodes);
}
/// <summary>
/// Visits the given <paramref name="alterColumnNode" />.
/// </summary>
/// <param name="alterColumnNode"></param>
public override void Visit(IAlterColumnNode alterColumnNode)
{
textWriter.Write("alter column {0}", GetIdentifier(alterColumnNode.Name));
WriteProperties(alterColumnNode);
VisitBlock(alterColumnNode);
}
protected override void AlterTableAlterColumn(IAlterTableNode alterTableNode, IAlterColumnNode alterColumnNode)
{
}
private void AlterColumn(IColumnDefinition definition, IAlterColumnNode alterColumnNode)
{
if(alterColumnNode.Length.HasValue)
definition.Length = alterColumnNode.Length;
if(alterColumnNode.Nullable.HasValue)
definition.Nullable = alterColumnNode.Nullable;
}
protected virtual void AlterTableAlterColumn(IAlterTableNode alterTableNode, IAlterColumnNode alterColumnNode)
{
TextWriter.WriteLine("alter table {0} alter column {1};",
Platform.Dialect.EscapeIdentifier(alterTableNode.Name),
GetAlterColumnDefinition(alterColumnNode));
}
