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results::meta

Returns metadata about the columns in the query.

Synopsis
metadata_collection_view
meta() const;
Description

The returned collection will have as many metadata objects as columns retrieved by the SQL query, and in the same order.

Preconditions

this->has_value() == true

Exception safety

No-throw guarantee.

Object lifetimes

This function returns a view object, with reference semantics. The returned view points into memory owned by *this, and will be valid as long as *this or an object move-constructed from *this are alive.


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