/// <summary>
/// Visits the given <paramref name="removeIndexNode"/>.
/// </summary>
/// <param name="removeIndexNode"></param>
public override void Visit(IRemoveIndexNode removeIndexNode)
{
if(IsImmediateChildOf<IAlterColumnNode>(removeIndexNode))
MoveNodeTo(removeIndexNode, removeIndexNode.Parent.Parent.Parent);
else if(IsImmediateChildOf<IAlterTableNode>(removeIndexNode))
MoveNodeTo(removeIndexNode, removeIndexNode.Parent.Parent);
}
/// <summary>
/// Visits the given <paramref name="removeIndexNode"/>.
/// </summary>
/// <param name="removeIndexNode"></param>
public override void Visit(IRemoveIndexNode removeIndexNode)
{
Visit(removeIndexNode.ChildNodes);
}
/// <summary>
/// Visits the given <paramref name="removeIndexNode"/>.
/// </summary>
/// <param name="removeIndexNode"></param>
public override void Visit(IRemoveIndexNode removeIndexNode)
{
TextWriter.WriteLine("drop index {0} on {1};",
Platform.Dialect.EscapeIdentifier(removeIndexNode.Name),
Platform.Dialect.EscapeIdentifier(removeIndexNode.Table));
}
/// <summary>
/// Visits the given <paramref name="removeIndexNode" />.
/// </summary>
/// <param name="removeIndexNode"></param>
public override void Visit(IRemoveIndexNode removeIndexNode)
{
textWriter.Write("remove index {0}", GetIdentifier(removeIndexNode.Name));
WriteProperties(removeIndexNode);
VisitBlock(removeIndexNode);
}
protected void ResolveRemoveIndex(IRemoveIndexNode removeIndexNode)
{
//
// Resolve table name
if(removeIndexNode.Properties[MdlSyntax.Table] != null)
{
removeIndexNode.Table =
AstNodePropertyUtil.AsString(removeIndexNode.Properties[MdlSyntax.Table].Value);
} // if
else if(removeIndexNode.Parent is IAlterTableNode)
{
removeIndexNode.Table =
((ITableNode)removeIndexNode.Parent).Name;
} // else if
else
throw CreateMdlCompilerException(
MdlCompilerResources.CouldNotResolveTableForRemoveIndex, removeIndexNode.Name);
}
/// <summary>
/// Visits the given <paramref name="removeIndexNode"/>.
/// </summary>
/// <param name="removeIndexNode"></param>
public override void Visit(IRemoveIndexNode removeIndexNode)
{
ResolveRemoveIndex(removeIndexNode);
ITableDefinition table = Environment.Schema.GetTable(removeIndexNode.Table);
table.RemoveIndex(removeIndexNode.Name);
}
