forge: main/database/src/pq_connection.h annotate

annotate main/database/src/pq_connection.h @ 12665:393b940d7ee2 octave-forge

pq_connection.h: Call register_type() only once.

author	i7tiol
date	Wed, 08 Jul 2015 13:54:27 +0000
parents	2257648e8ce1
children	fc325d64210b

rev	line source
11394 9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	1 /*
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	2
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	3 Copyright (C) 2012, 2013 Olaf Till <i7tiol@t-online.de>
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	4
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	5 This program is free software; you can redistribute it and/or modify
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	6 it under the terms of the GNU General Public License as published by
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	7 the Free Software Foundation; either version 3 of the License, or
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	8 (at your option) any later version.
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	9
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	10 This program is distributed in the hope that it will be useful,
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	13 GNU General Public License for more details.
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	14
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	15 You should have received a copy of the GNU General Public License
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	16 along with this program; If not, see <http://www.gnu.org/licenses/>.
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	17
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	18 */
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	19
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	20 #ifndef __OCT_PQ_CONNECTION__
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	21
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	22 #define __OCT_PQ_CONNECTION__
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	23
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	24 #include <octave/oct.h>
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	25
11553 35e9e4b6ab34 Fix configuration of postgresql include directories. i7tiol parents: 11474 diff changeset	26 #include <libpq-fe.h>
11394 9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	27
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	28 #include "converters.h"
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	29
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	30 class
12612 2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	31 octave_pq_connection_rep
11394 9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	32 {
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	33 public:
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	34
12612 2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	35 octave_pq_connection_rep (std::string &);
11394 9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	36
12612 2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	37 ~octave_pq_connection_rep (void);
11394 9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	38
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	39 void octave_pq_close (void);
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	40
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	41 int octave_pq_refresh_types (void);
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	42
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	43 PGconn *octave_pq_get_conn (void) { return conn; }
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	44
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	45 oct_pq_conv_map_t conv_map;
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	46
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	47 oct_pq_name_conv_map_t name_conv_map;
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	48
11667 2c21253d3341 Add converter for timestamptz. i7tiol parents: 11659 diff changeset	49 const bool &get_integer_datetimes (void) const { return integer_datetimes; }
11659 7575dc1c0b06 Obtain connection information 'integer_datetimes'. i7tiol parents: 11645 diff changeset	50
11394 9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	51 private:
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	52
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	53 PGconn *conn;
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	54
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	55 // Oid of postgres_user, needed to distinguish base types from
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	56 // others.
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	57 octave_value postgres;
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	58
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	59 void octave_pq_delete_non_constant_types (void);
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	60
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	61 // returns zero on success
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	62 int octave_pq_get_postgres_oid (void);
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	63
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	64 // returns zero on success
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	65 int octave_pq_fill_base_types (void);
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	66
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	67 // returns zero on success
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	68 int octave_pq_get_composite_types (void);
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	69
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	70 // returns zero on success
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	71 int octave_pq_get_enum_types (void);
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	72
11667 2c21253d3341 Add converter for timestamptz. i7tiol parents: 11659 diff changeset	73 // server configuration
2c21253d3341 Add converter for timestamptz. i7tiol parents: 11659 diff changeset	74 bool integer_datetimes;
12612 2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	75 };
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	76
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	77 class
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	78 octave_pq_connection : public octave_base_value
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	79 {
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	80 public:
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	81
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	82 octave_pq_connection (std::string &arg)
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	83 : rep (new octave_pq_connection_rep (arg))
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	84 {
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	85 static bool type_registered = false;
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	86
12665 393b940d7ee2 pq_connection.h: Call register_type() only once. i7tiol parents: 12612 diff changeset	87 if (! type_registered)
393b940d7ee2 pq_connection.h: Call register_type() only once. i7tiol parents: 12612 diff changeset	88 {
393b940d7ee2 pq_connection.h: Call register_type() only once. i7tiol parents: 12612 diff changeset	89 register_type ();
393b940d7ee2 pq_connection.h: Call register_type() only once. i7tiol parents: 12612 diff changeset	90
393b940d7ee2 pq_connection.h: Call register_type() only once. i7tiol parents: 12612 diff changeset	91 type_registered = true;
393b940d7ee2 pq_connection.h: Call register_type() only once. i7tiol parents: 12612 diff changeset	92 }
12612 2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	93 }
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	94
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	95 ~octave_pq_connection (void) { delete rep; }
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	96
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	97 octave_pq_connection_rep *get_rep (void) const { return rep; }
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	98
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	99
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	100 // Octave internal stuff
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	101
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	102 bool is_constant (void) const { return true; }
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	103
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	104 bool is_defined (void) const { return true; }
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	105
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	106 bool is_true (void) const { return rep->octave_pq_get_conn () != 0; }
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	107
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	108 void print_raw (std::ostream& os, bool pr_as_read_syntax = false) const
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	109 {
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	110 indent (os);
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	111 os << "<PGconn object>";
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	112 newline (os);
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	113 }
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	114
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	115 void print (std::ostream& os, bool pr_as_read_syntax = false) const
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	116 {
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	117 print_raw (os);
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	118 }
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	119
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	120 bool print_as_scalar (void) const { return true; }
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	121
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	122 private:
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	123
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	124 // needed by Octave for register_type()
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	125 octave_pq_connection (void) : rep (NULL) { }
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	126
2257648e8ce1 avoid using const_cast, new release 2.3.2 i7tiol parents: 11713 diff changeset	127 octave_pq_connection_rep *rep;
11667 2c21253d3341 Add converter for timestamptz. i7tiol parents: 11659 diff changeset	128
11394 9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	129 DECLARE_OV_TYPEID_FUNCTIONS_AND_DATA
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	130 };
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	131
9aee227e296c Populated new database package with initial postgresql interface. i7tiol parents: diff changeset	132 #endif // __OCT_PQ_CONNECTION__

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annotate main/database/src/pq_connection.h @ 12665:393b940d7ee2 octave-forge