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annotate m-toolbox/classes/@repogui2/cb_executeQuery.m @ 35:4be5f7a5316f database-connection-manager

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author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % Execute the query built on the query panel
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2 %
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3 % M Hewitson
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4 %
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5 % $Id: cb_executeQuery.m,v 1.3 2011/04/08 08:56:36 hewitson Exp $
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6 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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7 function cb_executeQuery(varargin)
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8
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9
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10 % Get connection
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11 mainfig = varargin{end};
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12 conn = mainfig.connection;
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13 if isempty(conn)
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14 error('### Please connect to a database first.');
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15 end
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16
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17 % Get Selected fields
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18 fieldList = findobj(mainfig.handle, 'Tag', 'fieldsList');
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19 fieldsStr = get(fieldList, 'String');
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20 vals = get(fieldList, 'Value');
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21 fields = fieldsStr(vals)';
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22
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23
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24 % Get query
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25 h = findobj(mainfig.handle, 'Tag', 'queryDisplayTxt');
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26 q = get(h, 'String');
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27
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28 try
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29 curs = exec(conn, q);
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30 curs = fetch(curs);
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31 results = curs.Data;
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32 close(curs);
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33 catch
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34 warning('!!! Unable to execute query %s', q)
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35 warning('!!! Server returned: %s', curs.Message);
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36 results = {};
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37 end
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38
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39 if ~isempty(results)
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40 if strcmp(results{1}, 'No Data')
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41 errordlg('Query returned no results.', 'Query Empty');
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42 return
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43 else
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44 whos('results')
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45 whos('fields')
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46 repogui2.sqlResultsGUI(results, fields, q);
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47 end
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48 else
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49 error('### Unable to execute query');
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50 end
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51
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52 end