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view main/database/src/pq_conninfo.cc @ 12720:52ca082757c2 octave-forge tip
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author | i7tiol |
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date | Sat, 27 Feb 2016 11:21:29 +0000 |
parents | 1af86934c14e |
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/* Copyright (C) 2013-2016 Olaf Till <i7tiol@t-online.de> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; If not, see <http://www.gnu.org/licenses/>. */ #include <octave/oct.h> #include "pq_connection.h" #include "error-helpers.h" // PKG_ADD: autoload ("pq_conninfo", "pq_interface.oct"); // PKG_DEL: autoload ("pq_conninfo", "pq_interface.oct", "remove"); DEFUN_DLD (pq_conninfo, args, , "-*- texinfo -*-\n\ @deftypefn {Loadable Function} {@var{val} =} pq_conninfo (@var{connection}, @var{label})\n\ 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 deprecated).\n\ @end deftypefn") { std::string fname ("pq_conninfo"); octave_value retval; if (args.length () != 2 || args(0).type_id () != octave_pq_connection::static_type_id ()) { print_usage (); return retval; } std::string label; CHECK_ERROR (label = args(1).string_value (), retval, "%s: second argument can not be converted to a string", fname.c_str ()); if (label.compare ("integer_datetimes")) { error ("%s: unrecognized label %s", fname.c_str (), label.c_str ()); return retval; } const octave_base_value& rep = (args(0).get_rep ()); const octave_pq_connection &oct_pq_conn = dynamic_cast<const octave_pq_connection&> (rep); PGconn *conn = oct_pq_conn.get_rep ()->octave_pq_get_conn (); if (! conn) { error ("%s: connection not open", fname.c_str ()); return retval; } return octave_value (oct_pq_conn.get_rep ()->get_integer_datetimes ()); }