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<?xml version="1.0" encoding="ISO-8859-1"?>
<!--
-
- This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
- project.
-
- Copyright (C) 1998-2018 OpenLink Software
-
- This project is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the
- Free Software Foundation; only version 2 of the License, dated June 1991.
-
- This program is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-->
<refentry id="fn_csv_cols_def">
<refmeta>
<refentrytitle>csv_cols_def</refentrytitle>
<refmiscinfo>file</refmiscinfo>
</refmeta>
<refnamediv>
<refname>csv_cols_def</refname>
<refpurpose>Guess columns and column types from CSV file.</refpurpose>
</refnamediv>
<refsynopsisdiv>
<funcsynopsis id="fsyn_csv_cols_def">
<funcprototype id="fproto_csv_cols_def">
<funcdef><function>csv_cols_def</function></funcdef>
<paramdef>in <parameter>file_name</parameter> varchar</paramdef>
</funcprototype>
</funcsynopsis>
</refsynopsisdiv>
<refsect1 id="desc_csv_cols_def">
<title>Description</title>
<para>This function will try to guess the columns by given CSV file. It would
work if CSV file begins with a header row.</para>
</refsect1>
<refsect1 id="params_csv_cols_def">
<title>Parameters</title>
<refsect2><title>file_name</title>
<para>The name of the CSV file.</para>
</refsect2>
</refsect1>
<!--<refsect1 id="ret_csv_cols_def"><title>Return Types</title>
<para>Returns a vector with field values.</para>
</refsect1>
<refsect1 id="errors_csv_cols_def">
<title>Errors</title>
<para>If table is not suitable in respect of number of columns or
type of columns error will be signaled.</para>
</refsect1>-->
<refsect1 id="examples_csv_cols_def">
<title>Examples</title>
<example id="ex_csv_cols_def"><title>Simple Use</title>
<programlisting><![CDATA[
SQL>create procedure my_csv_get_columns (in file_name varchar)
{
dbg_obj_print(csv_cols_def(file_name));
}
;
Done. -- 10 msec.
SQL>select my_csv_get_columns('tmp/MyContacts.csv');
callret
VARCHAR
______________________
0
1 Rows. -- 10 msec.
-- and on the Virtuoso Server console will be shown:
(('First_Name_Last_Name_Middle_Name_Name_Nickname_E_mail_Address_Home_Street_Home_City_Home_Postal_Code_Home_State_Home_Country_Region_Home_Phone_Home
_Fax_Mobile_Phone_Personal_Web_Page_Business_Street_Business_City_Business_Postal_Code_Business_State_Business_Country_Region_Business_Web_Page_Busine
ss_Phone_Business_Fax_Pager_Company_Job_Title_Department_Office_Location_Notes' 'VARCHAR' ) )
]]></programlisting>
</example>
</refsect1>
<refsect1 id="seealso_csv_cols_def">
<title>See Also</title>
<para><link linkend="fn_get_csv_row"><function>get_csv_row</function></link></para>
<para><link linkend="fn_csv_load_file"><function>csv_load_file</function></link></para>
<para><link linkend="fn_csv_load"><function>csv_load</function></link></para>
<para><link linkend="fn_csv_parse"><function>csv_parse</function></link></para>
<para><link linkend="fn_csv_table_def"><function>csv_table_def</function></link></para>
</refsect1>
</refentry>
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