Produces text input for Graphviz to make an HTML diagram of a given relation.
# S3 method for relation
gv(x, name = NA_character_, ...)
A scalar character, containing text input for Graphviz.
a relation
.
a character scalar, giving the name of the schema, if any.
further arguments passed to or from other methods.
Each relation is presented as a set of rows, one for each attribute in the relation. These rows include information about the attribute classes.
The generic gv
.