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

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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;
Exception safety

No-throw guarantee.


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