def
func:col
col(grid, name, checked: true)
Get a column by its name. If not resolved then return null or throw UnknownNameErr based on checked flag.
Example:
// get meta data for given columm read(temp).hisRead(today).col("ts").meta
Get a column by its name. If not resolved then return null or throw UnknownNameErr based on checked flag.
Example:
// get meta data for given columm read(temp).hisRead(today).col("ts").meta