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42 lines
1.2 KiB
Groff
42 lines
1.2 KiB
Groff
.\" Automatically generated by Pandoc 2.5
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.\"
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.TH "mysql_fetch_lengths" "3" "" "Version 3.2.2" "MariaDB Connector/C"
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.hy
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.SS Name
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.PP
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mysql_fetch_lengths \- returns an array of length values for the current
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row
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.SS Synopsis
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.IP
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.nf
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\f[C]
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#include <mysql.h>
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unsigned long * mysql_fetch_lengths(MYSQL_RES * result);
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\f[R]
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.fi
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.SS Description
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.PP
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The \f[C]mysql_fetch_lengths()\f[R] function returns an array containing
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the lengths of every column of the current row within the result set
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(not including terminating zero character) or \f[C]NULL\f[R] if an error
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occurred.
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.SS Parameter
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.IP \[bu] 2
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\f[C]result\f[R] \- a result set identifier returned by
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\f[B]mysql_store_result(3)\f[R] or \f[B]mysql_use_result(3)\f[R].
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### Notes \f[C]mysql_fetch_lengths()\f[R] is valid only for the current
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row of the result set.
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It returns \f[C]NULL\f[R] if you call it before calling
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\f[B]mysql_fetch_row(3)\f[R] or after retrieving all rows in the result.
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.SS Return value
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.PP
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An array of unsigned long values .
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The size of the array can be determined by the number of fields in
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current result set.
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.SS See also
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.IP \[bu] 2
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\f[B]mysql_field_count(3)\f[R]
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.IP \[bu] 2
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\f[B]mysql_fetch_row(3)\f[R]
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