fn humanize_column_type(&self, typ: &ColumnType) -> String {
        format!(
            "{}{}",
            self.humanize_scalar_type(&typ.scalar_type),
            if typ.nullable { "?" } else { "" }
        )
    }
/// Returns a human-readable name for the specified scalar type.
Returns a human-readable name for the specified scalar type.
Returns a human - readable name for the specified scalar type .
fn humanize_column_type(&self, typ: &ColumnType) -> String {
        format!(
            "{}{}",
            self.humanize_scalar_type(&typ.scalar_type),
            if typ.nullable { "?" } else { "" }
        )
    }
fn humanize_column_type ( & self , typ : & ColumnType ) -> String { format ! ( " " self humanize_scalar_type ( typ scalar_type ) if typ nullable { " " } else { " " } ) }
Returns a human-readable name for the specified scalar type.
Returns a human - readable name for the specified scalar type .
&self
typ
&ColumnType
&self
typ
&ColumnType