Get a column with given name from the given dataSource, fetching from server if necessary.
Returns a Column object when the data is loaded.
todo - consider batching requests (add to queue, then load all at once in setTimeout(...,0)?)
better types - for columnName and return value generic(?)
Get a column with given name from the given dataSource, fetching from server if necessary. Returns a Column object when the data is loaded.
todo - consider batching requests (add to queue, then load all at once in
setTimeout(...,0)?) better types - forcolumnNameand return value generic(?)