Enumeration of possible “logical” types of a column.
Logical type is the type stripped away from the details of its physical
storage. For example,
ltype.int represents an integer. Under the hood,
this integer can be stored in several “physical” formats: from
stype.int64. Thus, there is a one-to-many relationship
between ltypes and stypes.
The following ltype values are currently available:
For each ltype, you can find the set of stypes that correspond to it: