QDB API Reference Parent topic: QDB API Reference

qdb_rows()

Return the number of rows in a result set

Synopsis:

#include <qdb/qdb.h>

int qdb_rows( qdb_result_t *res );

Arguments:

res
A pointer to a result structure to check.

Library:

qdb

Description:

This function returns the number of rows in the specified result set. If your query matched no rows in the database, this function returns 0.

Returns:

>=0
The number of rows in the result set.
-1
An error occurred (errno is set).

Classification:

QNX Neutrino

Safety:  
Interrupt handler No
Signal handler No
Thread Yes
qdb_rowchanges()
Parent topic: QDB API Reference