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mysql_stmt_num_rows()
my_ulonglong mysql_stmt_num_rows(MYSQL_STMT *stmt)
Returns the number of rows in the result set.
The use of mysql_stmt_num_rows()
depends on whether or not you used
mysql_stmt_store_result()
to buffer the entire result set in the
statement handle.
If you use mysql_stmt_store_result()
, mysql_stmt_num_rows()
may be
called immediately.
The number of rows in the result set.