Boost C++ Libraries

...one of the most highly regarded and expertly designed C++ library projects in the world. — Herb Sutter and Andrei Alexandrescu, C++ Coding Standards

This version of Boost is under active development. You are currently in the develop branch. The current version is 1.91.0.

metadata::is_multiple_key

metadata::is_multiple_key

Returns true if the column is part of a KEY (but not a UNIQUE KEY or PRIMARY KEY).

Synopsis

bool
is_multiple_key() const noexcept;

Exception safety

No-throw guarantee.