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.TH "mysql_fetch_lengths" "3" "" "Version 3.3.1" "MariaDB Connector/C"
.hy
.SS Name
.PP
mysql_fetch_lengths \- returns an array of length values for the current
row
.SS Synopsis
.IP
.nf
\f[C]
#include <mysql.h>

unsigned long * mysql_fetch_lengths(MYSQL_RES * result);
\f[R]
.fi
.SS Description
.PP
The \f[C]mysql_fetch_lengths()\f[R] function returns an array containing
the lengths of every column of the current row within the result set
(not including terminating zero character) or \f[C]NULL\f[R] if an error
occurred.
.SS Parameter
.IP \[bu] 2
\f[C]result\f[R] \- a result set identifier returned by
\f[B]mysql_store_result(3)\f[R] or \f[B]mysql_use_result(3)\f[R].
### Notes \f[C]mysql_fetch_lengths()\f[R] is valid only for the current
row of the result set.
It returns \f[C]NULL\f[R] if you call it before calling
\f[B]mysql_fetch_row(3)\f[R] or after retrieving all rows in the result.
.SS Return value
.PP
An array of unsigned long values .
The size of the array can be determined by the number of fields in
current result set.
.SS See also
.IP \[bu] 2
\f[B]mysql_field_count(3)\f[R]
.IP \[bu] 2
\f[B]mysql_fetch_row(3)\f[R]