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annotate m-toolbox/classes/+utils/@jmysql/resultsToCell.m @ 29:54f14716c721 database-connection-manager

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Update Java code
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
parents 91f21a0aab35
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91f21a0aab35 Update utils.jquery
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1 function varargout = resultsToCell(resultSet)
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2 % RESULTSTOCELL Converts a java.sql.ResultSet to a cell array
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4 % DEPRECATED! Use utils.mysql.execute instead!
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5 %
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6 % CALL:
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7 %
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8 % [results, colnames] = utils.jmysql.resultsToCell(rs);
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9 %
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10 % INPUTS:
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11 %
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12 % rs - a java.sql.ResultSet like that returned from utils.jmysql.query
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13 %
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14 % OUTPUTS:
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15 %
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16 % results - a cell array of results
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17 % colnames - a cell array of column names
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18 %
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19 % VERSION: $Id: resultsToCell.m,v 1.1 2009/07/27 19:46:21 hewitson Exp $
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20 %
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22 warning('!!! deprecated. use utils.mysql.execute instead');
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24 if ~isa(resultSet, 'java.sql.ResultSet')
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25 error('### first argument should be a java.sql.ResultSet');
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26 end
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28 % get results into a cell array
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29 md = rs.getMetaData();
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30 nc = md.getColumnCount();
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31 row = 1;
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32 while rs.next()
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33 for kk = 1:nc
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34 % convert to matlab objects
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35 rows{row, kk} = java2matlab(rs.getObject(kk));
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36 end
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37 row = row + 1;
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38 end
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40 % get column names
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41 names = cell(1, nc);
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42 for kk = 1:nc
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43 names{kk} = char(md.getColumnName(kk));
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44 end
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46 % assign output
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47 switch nargout
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48 case 0
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49 varargout{1} = rows;
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50 case 1
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51 varargout{1} = rows;
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52 case 2
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53 varargout{1} = names;
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54 varargout{2} = rows;
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55 otherwise
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56 error('### too many output arguments');
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57 end
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58 end
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61 function val = java2matlab(val)
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62 % matlab converts all base types. just add a conversion for datetime columns
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63 switch class(val)
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64 case 'java.sql.Timestamp'
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65 val = time(plist('time', char(val), 'timezone', 'UTC'));
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66 end
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67 end