RowResult Class Reference

Result of an operation that returns rows. More...

Public Member Functions
col_count_t	getColumnCount () const
	Return the number of fields in each row.
const Column &	getColumn (col_count_t pos) const
	Return Column object describing the given column of the result.
const Columns &	getColumns () const
	Return meta-data for all result columns. More...
Row	fetchOne ()
	Return the current row and move to the next one in the sequence. More...
RowList	fetchAll ()
	Return all remaining rows. More...
row_count_t	count ()
	Returns the number of rows contained in the result. More...
unsigned	getWarningsCount () const
	Get the number of warnings stored in the result.
WarningList	getWarnings ()
	Get a list of warnings stored in the result.
Warning	getWarning (unsigned pos)
	Get the warning at the given, 0-based position.
uint64_t	getAffectedItemsCount () const
	Get the count of affected items (rows or doucuments) from manipulation statements.

Detailed Description

Result of an operation that returns rows.

A RowResult object gives sequential access to the rows contained in the result. It is possible to get the rows one-by-one, or fetch and store all of them at once. One can iterate over the rows using range loop: for (Row r : result) ....

Member Function Documentation

getColumns()

const Columns & getColumns ( ) const

inline

Return meta-data for all result columns.

TODO: explain ownership

fetchOne()

Row fetchOne ( )

inline

Return the current row and move to the next one in the sequence.

If there are no more rows in this result, returns a null Row instance.

fetchAll()

RowList fetchAll ( )

inline

Return all remaining rows.

Result of this method can be stored in a container such as std::list<Row>. Rows that have already been fetched using fetchOne() are not included in the result of fetchAll().

count()

row_count_t count ( )

inline

Returns the number of rows contained in the result.

The method counts only the rows that were not yet fetched and are still available in the result.

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The documentation for this class was generated from the following file:

• include/mysqlx/devapi/result.h