close(): Closes the result set. The value returned is undefined.

fetchAll(): Retrieves a list of all rows in the result set.

fetchOne(): Retrieves the next Row in the result set.

getAffectedItemsCount(): Retrieves the number of rows affected by the most recent operation.

getAutoIncrementValue(): Retrieves the autogenerated ID used for the most recent insert operation.

Calling this method is equivalent to executing LAST_INSERT_ID() in the mysql client.

getColumnCount(): Gets the number of columns in the result set.

getColumnNames(): Retrieves the names of the columns in the current result set.

getColumns(): Retrieves the columns metadata in the current result set.

getExecutionTime(): Retrieves the time spent executing this query, to the nearest whole second.

getWarnings(): Retrieves any warnings (as a list of Warning objects) raised by the operation most recently executed.

getWarningsCount(): Retrieves the number of warnings raised by the operation last executed.

hasData(): Returns true if the most recently executed statement yielded a result set, false otherwise.

nextResult(): Moves to the next result set if available. Returns true if the result set is available and contains data.