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36 lines
1.1 KiB
Groff
36 lines
1.1 KiB
Groff
.\" Automatically generated by Pandoc 3.5
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.\"
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.TH "mysql_fetch_lengths" "3" "" "Version 3.3" "MariaDB Connector/C"
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.SS Name
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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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.EX
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#include \f[B]<mysql.h>\f[R]
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unsigned long * mysql_fetch_lengths(MYSQL_RES * result);
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.EE
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.SS Description
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The \f[CR]mysql_fetch_lengths()\f[R] function returns an array
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containing the lengths of every column of the current row within the
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result set (not including terminating zero character) or \f[CR]NULL\f[R]
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if an error occurred.
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.SS Parameter
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.IP \[bu] 2
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\f[CR]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[CR]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[CR]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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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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