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11659
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1 /* |
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2 |
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3 Copyright (C) 2013 Olaf Till <i7tiol@t-online.de> |
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4 |
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5 This program is free software; you can redistribute it and/or modify |
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6 it under the terms of the GNU General Public License as published by |
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7 the Free Software Foundation; either version 3 of the License, or |
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8 (at your option) any later version. |
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9 |
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10 This program is distributed in the hope that it will be useful, |
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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13 GNU General Public License for more details. |
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14 |
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15 You should have received a copy of the GNU General Public License |
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16 along with this program; If not, see <http://www.gnu.org/licenses/>. |
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17 |
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18 */ |
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19 |
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20 #include <octave/oct.h> |
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21 |
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22 #include "pq_connection.h" |
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23 |
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24 // PKG_ADD: autoload ("pq_conninfo", "pq_interface.oct"); |
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25 |
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26 DEFUN_DLD (pq_conninfo, args, , |
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27 "-*- texinfo -*-\n\ |
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28 @deftypefn {Loadable Function} {@var{val} =} pq_conninfo (@var{connection}, @var{label})\n\ |
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29 Retrieves connection information for postgresql connection @var{connection}, specified by the string @var{label}, and returns the value of this information in @var{val}. The type of @var{val} depends on the requested information. Currently, the only recognized @var{label} is @code{'integer_datetimes'}; @var{val} is @code{true} if 8-byte date and time values are stored as integer in the server, and @code{false} if they are stored as @code{double} (which is depricated).\n\ |
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30 @end deftypefn") |
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31 { |
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32 std::string fname ("pq_conninfo"); |
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33 |
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34 octave_value retval; |
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35 |
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36 if (args.length () != 2 || |
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37 args(0).type_id () != octave_pq_connection::static_type_id ()) |
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38 { |
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39 print_usage (); |
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40 |
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41 return retval; |
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42 } |
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43 |
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44 std::string label (args(1).string_value ()); |
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45 |
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46 if (error_state) |
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47 { |
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48 error ("%s: second argument can not be converted to a string", |
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49 fname.c_str ()); |
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50 |
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51 return retval; |
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52 } |
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53 |
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54 if (label.compare ("integer_datetimes")) |
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55 { |
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56 error ("%s: unrecognized label %s", fname.c_str (), label.c_str ()); |
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57 |
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58 return retval; |
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59 } |
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60 |
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61 octave_base_value& rep = const_cast<octave_base_value&> (args(0).get_rep ()); |
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62 |
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63 octave_pq_connection &oct_pq_conn = dynamic_cast<octave_pq_connection&> (rep); |
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64 |
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65 PGconn *conn = oct_pq_conn.octave_pq_get_conn (); |
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66 |
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67 if (! conn) |
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68 { |
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69 error ("%s: connection not open", fname.c_str ()); |
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70 |
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71 return retval; |
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72 } |
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73 |
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11667
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74 return octave_value (oct_pq_conn.get_integer_datetimes ()); |
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11659
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75 } |
