The type of a column's field, or a problem: an enum the catalog does not list.
- relation: the table or view the column is in.
- column: the column to type.
- catalog: where enums are looked up.
- names: the Jai names
assign_namesgave.
field_type :: (
relation: Catalog_Relation,
column: Catalog_Column,
catalog: Catalog,
names: Names
) -> (string, problem: string)
The type of a column's field, or a problem: an enum the catalog does not list.
Parameters
- relation: Catalog_Relation
- the table or view the column is in.
- column: Catalog_Column
- the column to type.
- catalog: Catalog
- where enums are looked up.
- names: Names
- the Jai names
assign_namesgave.
Returns
- string
- problem: string