Method to read the value of one field of a case class T from a Row. The column is the one named by helper for the field (and the prefix wo, if any). If there is no such column, the field's parser is given the whole row (for a field which is itself a case class).
Method to read the value of one field of a case class T from a Row. The column is the one named by helper for the field (and the prefix wo, if any). If there is no such column, the field's parser is given the whole row (for a field which is itself a case class).
Type parameters
A
the type of the field.
T
the type of the case class.
Value parameters
cellParser
the CellParser of the field.
field
the name of the field.
header
the Header.
helper
the ColumnHelper[T].
row
the Row.
typeName
the name of T (used in error messages).
wo
an optional prefix (the name of the enclosing field, if any).