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annotate m-toolbox/classes/+utils/@jmysql/insert.m @ 0:f0afece42f48

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Import.
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Wed, 23 Nov 2011 19:22:13 +0100
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % INSERT inserts values into a single row of a table using JDBC driver
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2 % specified by the input connection.
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3 %
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4 % Usage: message = insert(conn, table, 'field1', value1, 'field2', value2,...)
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5 %
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6 % M Hewitson
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7 %
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8 % 31-07-07
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9 %
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10 % $Id: insert.m,v 1.4 2009/09/16 13:38:58 hewitson Exp $
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11 %
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12
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13 function message = insert(conn, table, varargin)
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14
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15 message = '';
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16 q = sprintf('INSERT INTO %s SET ', table);
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17
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18 for j=1:2:length(varargin)
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19
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20 col = varargin{j};
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21 val = varargin{j+1};
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22 if isnumeric(val)
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23 if ~any(isnan(val))
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24 q = [q col '=' num2str(val) ','];
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25 end
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26 elseif ischar(val)
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27 q = [q col '=' '''' val '''' ','];
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28 else
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29 error('### val class [%s]', class(val))
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30 end
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31
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32 end
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33
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34 q = deblank([q(1:end-1) ';']);
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35
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36 if length(q) > 50
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37 qdisp = [q(1:50) '...'];
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38 utils.helper.msg(utils.const.msg.PROC1, 'running query %s', qdisp);
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39 else
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40 utils.helper.msg(utils.const.msg.PROC1, 'running query %s', q);
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41 end
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42
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43 try
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44 stmt = conn.createStatement;
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45 stmt.execute(q);
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46 catch Me
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47 error('### insert: failed to execute query');
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48 end
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49 end
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