| Signature | Description | Parameters |
|---|---|---|
template<typename T>
bool
has_column(const char *name) const;
|
Returns true if self has the named column, otherwise false |
T: Type of the named data column name: Name of the column |
template<typename T>
bool
has_column(std::size_t index) const;
|
Returns true if self has the indexed column, otherwise false |
T: Type of the named data column index: Index of the column |
