Boost
C++ Libraries
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regarded and expertly designed C++ library projects in the
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This version of Boost is under active development. You are currently in the master branch. The current version is 1.91.0.
Returns the number of rows affected by the executed SQL statement.
template< std::size_t I = 0> std::uint64_t affected_rows() const noexcept;
Note that this is NOT the number of matched rows. If a row is matched but not affected, it won't be accounted for here.
|
Type |
Description |
|---|---|
|
|
Resultset index. For operations returning more than one resultset, you can explicitly specify this parameter to obtain the number of affected rows by the i-th resultset. If left unspecified, the number of affected rows by the first resultset is returned. |
this->has_value()
== true
No-throw guarantee.
Constant.