HiddenColumn.md

HiddenColumn class

Description

Helper class of QueryTransformer to show/hide columns. Can be accessed via the QueryTransformer.hiddenColumns property.

Remarks

You can use chaining when calling methods of this class as most of them return 'self', e.g.:

queryTransformer.hiddenColumns
  .hide("column1")
  .show("column2");
queryTrasformer.transform();

You can pass object of the Column class to hide and show methods as follows.

column = queryTransformer.columnByName('column1');
queryTransformer.hide(column);
queryTransformer.transform();

Methods:

Name	Parameters	Return value	Description
hide	columnName: string	HiddenColumn (self)	Hides column with the specified name from transformed query.
hide	column: Column	HiddenColumn (self)	Hides the specified column from transformed query.
show	columnName: string	HiddenColumn (self)	Cancels hiding of column with the specified name from transformed query.
show	column: Column	HiddenColumn (self)	Cancels hiding of the specified column from transformed query.
clear	-	-	Makes all query columns visible.
getColumns	-	array() string	Returns a copy of hidden column names array.