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#### execution_state

Holds state for multi-function SQL execution operations (dynamic interface).

##### Synopsis

Defined in header `<boost/mysql/execution_state.hpp>`

    class execution_state;

##### Member Functions

Name | Description
--- | ---
affected_rows | Returns the number of rows affected by the SQL statement associated to this resultset. 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.
complete | Returns whether all the messages generated by this operation have been read.
execution_state [constructor] | Default constructor. — Copy constructor. — Move constructor.
info | Returns additional text information about this resultset.
is_out_params | Returns whether the current resultset represents a procedure OUT params.
last_insert_id | Returns the last insert ID produced by the SQL statement associated to this resultset.
meta | Returns metadata about the columns in the query.
operator= | Copy assignment. — Move assignment.
should_read_head | Returns whether the next operation should be read resultset head.
should_read_rows | Returns whether the next operation should be read some rows.
should_start_op | Returns whether `*this` is in the initial state.
warning_count | Returns the number of warnings produced by the SQL statement associated to this resultset.

##### Description

This class behaves like a state machine. The current state can be accessed using `should_start_op`, `should_read_rows`, `should_read_head` and `complete`. They are mutually exclusive. More states may be added in the future as more protocol features are implemented.

##### Thread safety

Distinct objects: safe.

Shared objects: unsafe.

Convenience header `<boost/mysql.hpp>`