Mercurial > hg > ltpda

annotate m-toolbox/classes/@repogui2/cb_get_dbs.m @ 20:d58813ab1b92 database-connection-manager

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Update ltpda_uo.submit
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
parents f0afece42f48
children
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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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4 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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5 % $Id: cb_get_dbs.m,v 1.2 2011/04/08 08:56:36 hewitson Exp $
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6 %
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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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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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13
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14 tables = {'collections', 'objmeta', 'objs', 'transactions', 'users'};
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15
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Daniele Nicolodi <nicolodi@science.unitn.it>
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16 % Get conn
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Daniele Nicolodi <nicolodi@science.unitn.it>
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17 conn = mainfig.connection;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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18 % Assume I don't need to open the connection
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Daniele Nicolodi <nicolodi@science.unitn.it>
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19 wasEmpty = 0;
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20
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Daniele Nicolodi <nicolodi@science.unitn.it>
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21 % Open connection, if necessary
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Daniele Nicolodi <nicolodi@science.unitn.it>
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22 if isempty(conn)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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23
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Daniele Nicolodi <nicolodi@science.unitn.it>
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24 % we opened the connection
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Daniele Nicolodi <nicolodi@science.unitn.it>
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25 wasEmpty = 1;
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26
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Daniele Nicolodi <nicolodi@science.unitn.it>
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27 % have we a stored username and password
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Daniele Nicolodi <nicolodi@science.unitn.it>
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28 dbuser = mainfig.dbuser;
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29 dbpass = mainfig.dbpass;
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30
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Daniele Nicolodi <nicolodi@science.unitn.it>
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31 % get hostname
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32 hostname = get(findobj(mainfig.handle, 'Tag','RepoguiServerEdit'), 'String');
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33 if isempty(hostname)
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34 error('### Please select a server to connect to.');
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35 end
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36
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Daniele Nicolodi <nicolodi@science.unitn.it>
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37 % connect
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Daniele Nicolodi <nicolodi@science.unitn.it>
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38 if ~isempty(dbuser) && ~isempty(dbpass)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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39 conn = utils.mysql.connect(hostname, 'test', dbuser, dbpass);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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40 else
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41 [conn, dbpass] = utils.mysql.connect(hostname);
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42 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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43 if ~isa(conn, 'database')
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44 error('### couldn''t connect to server');
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45 end
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46
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Daniele Nicolodi <nicolodi@science.unitn.it>
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47 % store the connection
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48 mainfig.dbuser = conn.Username;
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49 mainfig.dbpass = dbpass;
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50
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51 end
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52
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Daniele Nicolodi <nicolodi@science.unitn.it>
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53 % get the databases
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Daniele Nicolodi <nicolodi@science.unitn.it>
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54 q = 'show databases';
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Daniele Nicolodi <nicolodi@science.unitn.it>
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55 curs = exec(conn, q);
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56 curs = fetch(curs);
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57
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58 ltpda_dbs = [];
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Daniele Nicolodi <nicolodi@science.unitn.it>
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59 % Now get the LTPDA databases
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Daniele Nicolodi <nicolodi@science.unitn.it>
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60 for j=1:length(curs.Data)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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61 db = curs.Data{j};
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62
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63 if ~strcmp(db, 'information_schema')
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64
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65 q = sprintf('show tables from %s', db);
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66 c = exec(conn, q);
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67 c = fetch(c);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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68 match = 0;
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69 for l=1:length(c.Data)
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70 for k=1:length(tables)
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71 if strcmp(c.Data{l}, tables{k})
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Daniele Nicolodi <nicolodi@science.unitn.it>
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72 match = match + 1;
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73 end
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74 end
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75 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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76 close(c);
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77 if match == 5
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Daniele Nicolodi <nicolodi@science.unitn.it>
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78 % we have an LTPDA database
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Daniele Nicolodi <nicolodi@science.unitn.it>
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79 ltpda_dbs = [ltpda_dbs cellstr(db)];
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80 end
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81 end
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82
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83 end
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84 close(curs);
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85
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Daniele Nicolodi <nicolodi@science.unitn.it>
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86 % If I opened the connection, close it again
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Daniele Nicolodi <nicolodi@science.unitn.it>
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87 if wasEmpty
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Daniele Nicolodi <nicolodi@science.unitn.it>
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88 close(conn);
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89 end
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90
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Daniele Nicolodi <nicolodi@science.unitn.it>
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91 % Set the list
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Daniele Nicolodi <nicolodi@science.unitn.it>
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92 id = findobj(mainfig.handle, 'Tag', 'RepoguiDatabaseList');
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93 set(id, 'String', ltpda_dbs, 'Value', 1);
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94
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Daniele Nicolodi <nicolodi@science.unitn.it>
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95 % Get selected DB
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Daniele Nicolodi <nicolodi@science.unitn.it>
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96 dbh = findobj(mainfig.handle, 'Tag', 'RepoguiDatabaseList');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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97 dbs = get(dbh, 'String');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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98 db = dbs{1};
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99
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Daniele Nicolodi <nicolodi@science.unitn.it>
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100 % set selected DB
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Daniele Nicolodi <nicolodi@science.unitn.it>
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101 dbh = findobj(mainfig.handle, 'Tag', 'RepoguiDatabaseEdit');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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102 set(dbh, 'String', db);
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103
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Daniele Nicolodi <nicolodi@science.unitn.it>
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104 end