.\" Automatically generated by Pandoc 2.5 .\" .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 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]