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annotate m-toolbox/classes/@repogui/cb_get_dbs.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 % CB_GET_DBS callback when the user clicks the 'get dbs' button.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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2 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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3 % M Hewitson 22-09-08
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Daniele Nicolodi <nicolodi@science.unitn.it>
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4 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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5 % $Id: cb_get_dbs.m,v 1.7 2011/04/08 08:56:26 hewitson Exp $
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Daniele Nicolodi <nicolodi@science.unitn.it>
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6 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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7
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Daniele Nicolodi <nicolodi@science.unitn.it>
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8 function cb_get_dbs(varargin)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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9
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Daniele Nicolodi <nicolodi@science.unitn.it>
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10 % Handles
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Daniele Nicolodi <nicolodi@science.unitn.it>
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11 myh = varargin{1};
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Daniele Nicolodi <nicolodi@science.unitn.it>
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12 mainfig = varargin{end};
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Daniele Nicolodi <nicolodi@science.unitn.it>
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13 status = findobj(mainfig.handle, 'Tag', 'RepoguiStatusTxt');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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14 set(status,'String','*** Retrieving databases...');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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15
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Daniele Nicolodi <nicolodi@science.unitn.it>
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16 tables = {'collections', 'objmeta', 'objs', 'transactions', 'users'};
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Daniele Nicolodi <nicolodi@science.unitn.it>
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17
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Daniele Nicolodi <nicolodi@science.unitn.it>
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18 % Get conn
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Daniele Nicolodi <nicolodi@science.unitn.it>
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19 conn = mainfig.connection;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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20 % Assume I don't need to open the connection
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Daniele Nicolodi <nicolodi@science.unitn.it>
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21 wasEmpty = 0;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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22
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Daniele Nicolodi <nicolodi@science.unitn.it>
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23 % Open connection, if necessary
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Daniele Nicolodi <nicolodi@science.unitn.it>
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24 if isempty(conn)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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25
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Daniele Nicolodi <nicolodi@science.unitn.it>
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26 % we opened the connection
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Daniele Nicolodi <nicolodi@science.unitn.it>
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27 wasEmpty = 1;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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28
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Daniele Nicolodi <nicolodi@science.unitn.it>
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29 % have we a stored username and password
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Daniele Nicolodi <nicolodi@science.unitn.it>
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30 dbuser = mainfig.dbuser;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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31 dbpass = mainfig.dbpass;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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32
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Daniele Nicolodi <nicolodi@science.unitn.it>
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33 % get hostname
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Daniele Nicolodi <nicolodi@science.unitn.it>
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34 hostname = get(findobj(mainfig.handle, 'Tag','RepoguiServerEdit'), 'String');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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35 if isempty(hostname)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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36 set(status,'String','Impossible to connect: please select a server first');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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37 error('### Please select a server to connect to.');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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38 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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39
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Daniele Nicolodi <nicolodi@science.unitn.it>
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40 % verify if the server is reachable
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Daniele Nicolodi <nicolodi@science.unitn.it>
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41 try
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Daniele Nicolodi <nicolodi@science.unitn.it>
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42 java.net.InetAddress.getByName(hostname);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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43 catch
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Daniele Nicolodi <nicolodi@science.unitn.it>
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44 set(status,'String','Impossible to connect: server not responding or no internet connection available');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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45 error('### Please check internet connection and server availability.');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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46 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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47
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Daniele Nicolodi <nicolodi@science.unitn.it>
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48 % connect
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Daniele Nicolodi <nicolodi@science.unitn.it>
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49 try
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Daniele Nicolodi <nicolodi@science.unitn.it>
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50 if ~isempty(dbuser) && ~isempty(dbpass)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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51 conn = utils.mysql.connect(hostname, 'test', dbuser, dbpass);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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52 else
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Daniele Nicolodi <nicolodi@science.unitn.it>
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53 [conn, dbpass] = utils.mysql.connect(hostname);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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54 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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55 catch
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Daniele Nicolodi <nicolodi@science.unitn.it>
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56 set(status,'String','Impossible to connect: please check the provided username and password');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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57 error('### Please check the provided username and password')
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Daniele Nicolodi <nicolodi@science.unitn.it>
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58 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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59
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Daniele Nicolodi <nicolodi@science.unitn.it>
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60 if ~ischar(conn) && ~ischar(dbpass)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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61 if conn==-1 && dbpass==-1
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Daniele Nicolodi <nicolodi@science.unitn.it>
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62 % user cancelled
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Daniele Nicolodi <nicolodi@science.unitn.it>
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63 return;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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64 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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65 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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66
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Daniele Nicolodi <nicolodi@science.unitn.it>
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67 if ~isa(conn, 'database')
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Daniele Nicolodi <nicolodi@science.unitn.it>
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68 error('### couldn''t connect to server');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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69 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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70
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Daniele Nicolodi <nicolodi@science.unitn.it>
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71 % store the connection
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Daniele Nicolodi <nicolodi@science.unitn.it>
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72 mainfig.dbuser = conn.Username;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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73 mainfig.dbpass = dbpass;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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74 else
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Daniele Nicolodi <nicolodi@science.unitn.it>
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75 hostname = get(findobj(mainfig.handle, 'Tag','RepoguiServerEdit'), 'String');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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76 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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77
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Daniele Nicolodi <nicolodi@science.unitn.it>
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78 % get the databases
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Daniele Nicolodi <nicolodi@science.unitn.it>
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79 q = 'show databases';
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Daniele Nicolodi <nicolodi@science.unitn.it>
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80 curs = exec(conn, q);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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81 curs = fetch(curs);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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82
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Daniele Nicolodi <nicolodi@science.unitn.it>
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83 ltpda_dbs = [];
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Daniele Nicolodi <nicolodi@science.unitn.it>
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84 % Now get the LTPDA databases
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Daniele Nicolodi <nicolodi@science.unitn.it>
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85 for j=1:length(curs.Data)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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86 db = curs.Data{j};
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Daniele Nicolodi <nicolodi@science.unitn.it>
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87
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Daniele Nicolodi <nicolodi@science.unitn.it>
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88 if ~strcmp(db, 'information_schema')
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Daniele Nicolodi <nicolodi@science.unitn.it>
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89
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Daniele Nicolodi <nicolodi@science.unitn.it>
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90 q = sprintf('show tables from %s', db);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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91 c = exec(conn, q);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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92 c = fetch(c);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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93 match = 0;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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94 for l=1:length(c.Data)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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95 for k=1:length(tables)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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96 if strcmp(c.Data{l}, tables{k})
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Daniele Nicolodi <nicolodi@science.unitn.it>
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97 match = match + 1;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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98 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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99 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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100 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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101 close(c);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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102 if match == 5
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Daniele Nicolodi <nicolodi@science.unitn.it>
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103 % we have an LTPDA database
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Daniele Nicolodi <nicolodi@science.unitn.it>
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104 ltpda_dbs = [ltpda_dbs cellstr(db)];
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Daniele Nicolodi <nicolodi@science.unitn.it>
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105 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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106 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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107
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Daniele Nicolodi <nicolodi@science.unitn.it>
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108 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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109 close(curs);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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110
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Daniele Nicolodi <nicolodi@science.unitn.it>
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111 % If I opened the connection, close it again
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Daniele Nicolodi <nicolodi@science.unitn.it>
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112 if wasEmpty
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Daniele Nicolodi <nicolodi@science.unitn.it>
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113 close(conn);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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114 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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115
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Daniele Nicolodi <nicolodi@science.unitn.it>
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116 % Set the list
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Daniele Nicolodi <nicolodi@science.unitn.it>
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117 id = findobj(mainfig.handle, 'Tag', 'RepoguiDatabaseList');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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118 set(id, 'String', ltpda_dbs, 'Value', 1);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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119
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Daniele Nicolodi <nicolodi@science.unitn.it>
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120 % Get selected DB
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Daniele Nicolodi <nicolodi@science.unitn.it>
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121 dbh = findobj(mainfig.handle, 'Tag', 'RepoguiDatabaseList');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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122 dbs = get(dbh, 'String');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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123 db = dbs{1};
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Daniele Nicolodi <nicolodi@science.unitn.it>
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124
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Daniele Nicolodi <nicolodi@science.unitn.it>
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125 % set selected DB
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Daniele Nicolodi <nicolodi@science.unitn.it>
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126 dbh = findobj(mainfig.handle, 'Tag', 'RepoguiDatabaseEdit');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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127 set(dbh, 'String', db);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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128
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Daniele Nicolodi <nicolodi@science.unitn.it>
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129 set(status, 'String', ['Database list retrieved from ' hostname],'ForeGroundcolor','b');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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130 end