public DataTable GetSchema(string collectionName, string[] restrictionValues = null)
{
DatabaseSchemaNode dbNode = null;
DatabaseListSchemaNode dbListNode = null;
DbSchemaBaseNode node = this;
while (node != null)
{
if (dbNode == null && node is DatabaseSchemaNode dbSchemaNode)
{
dbNode = dbSchemaNode;
}
else if (dbListNode == null && node is DatabaseListSchemaNode dbListSchemaNode)
{
dbListNode = dbListSchemaNode;
}
node = node.ParentNode;
}
if (dbListNode != null)
{
return(dbListNode.GetSchema(dbNode?.Text, collectionName, restrictionValues));
}
return(null);
}
public T FindParentNode <T>() where T : DbSchemaBaseNode
{
DbSchemaBaseNode result = this;
while (result != null)
{
if (result is T t)
{
return(t);
}
result = result.ParentNode;
}
return(null);
}
public IndexColumnSchemaNode(DbSchemaBaseNode parentNode) : base(parentNode)
{
}
public IndexListSchemaNode(DbSchemaBaseNode parentNode) : base(parentNode)
{
}
public ColumnListSchemaNode(DbSchemaBaseNode parentNode) : base(parentNode)
{
}
public StoredProcedureParameterSchemaNode(DbSchemaBaseNode parentNode) : base(parentNode)
{
}
public FunctionParameterSchemaNode(DbSchemaBaseNode parentNode) : base(parentNode)
{
}
public FunctionSchemaNode(DbSchemaBaseNode parentNode) : base(parentNode)
{
}
public TableSchemaNode(DbSchemaBaseNode parentNode) : base(parentNode)
{
}
public StoredProceduresListSchemaNode(DbSchemaBaseNode parentNode) : base(parentNode)
{
}
public DatabaseSchemaNode(DbSchemaBaseNode parentNode) : base(parentNode)
{
}
public DbSchemaBaseNode(DbSchemaBaseNode parentNode)
{
_ParentNode = parentNode;
}