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annotate roundup/backends/back_postgresql.py @ 7714:b41750bf9f03

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fix: figure out dbname when using pg_service. See: https://issues.roundup-tracker.org/msg7890 where drop database is missing the dbname.
author John Rouillard <rouilj@ieee.org>
date Mon, 18 Dec 2023 16:56:49 -0500
parents 4af0d235b570
children 95f0002e85c4
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1 # Copyright (c) 2003 Martynas Sklyzmantas, Andrey Lebedev <andrey@micro.lt>
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2 #
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3 # This module is free software, and you may redistribute it and/or modify
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4 # under the same terms as Python, so long as this copyright message and
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5 # disclaimer are retained in their original form.
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6 #
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7 '''Postgresql backend via psycopg2 for Roundup.'''
2005
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8 __docformat__ = 'restructuredtext'
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9
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10 import logging
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11 import os
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12 import shutil
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13 import time
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14
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15 ISOLATION_LEVEL_READ_UNCOMMITTED = None
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16 ISOLATION_LEVEL_READ_COMMITTED = None
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17 ISOLATION_LEVEL_REPEATABLE_READ = None
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18 ISOLATION_LEVEL_SERIALIZABLE = None
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19
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20 import psycopg2 # noqa: E402
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21 from psycopg2 import ProgrammingError # noqa: E402
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22 from psycopg2.extensions import QuotedString # noqa: E402
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23 from psycopg2.extensions import ISOLATION_LEVEL_READ_UNCOMMITTED # noqa: F401 E402
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24 from psycopg2.extensions import ISOLATION_LEVEL_READ_COMMITTED # noqa: E402
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25 from psycopg2.extensions import ISOLATION_LEVEL_REPEATABLE_READ # noqa: E402
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26 from psycopg2.extensions import ISOLATION_LEVEL_SERIALIZABLE # noqa: E402
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27 from psycopg2.extensions import TransactionRollbackError # noqa: F401 E402
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28
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29 from roundup import hyperdb # noqa: E402
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30 from roundup.backends import rdbms_common # noqa: E402
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31 from roundup.backends import sessions_rdbms # noqa: E402
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32
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33 isolation_levels = {
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34 'read uncommitted': ISOLATION_LEVEL_READ_COMMITTED,
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35 'read committed': ISOLATION_LEVEL_READ_COMMITTED,
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36 'repeatable read': ISOLATION_LEVEL_REPEATABLE_READ,
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37 'serializable': ISOLATION_LEVEL_SERIALIZABLE
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38 }
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39
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40
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41 def connection_dict(config, dbnamestr=None):
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42 ''' read_default_group is MySQL-specific, ignore it '''
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43 d = rdbms_common.connection_dict(config, dbnamestr)
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44 if 'read_default_group' in d:
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45 del d['read_default_group']
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46 if 'read_default_file' in d:
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47 del d['read_default_file']
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48 return d
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51 def db_create(config):
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52 """Clear all database contents and drop database itself"""
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53 command = ("CREATE DATABASE \"%s\" WITH ENCODING='UNICODE'" %
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54 get_database_name(config))
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55 if config.RDBMS_TEMPLATE:
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56 command = command + " TEMPLATE=%s" % config.RDBMS_TEMPLATE
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57 logging.getLogger('roundup.hyperdb').info(command)
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58 db_command(config, command)
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59
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60
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61 def db_nuke(config):
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62 """Clear all database contents and drop database itself"""
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63 command = 'DROP DATABASE "%s"' % get_database_name(config)
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64
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65 logging.getLogger('roundup.hyperdb').info(command)
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66 db_command(config, command)
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67
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68 if os.path.exists(config.DATABASE):
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69 shutil.rmtree(config.DATABASE)
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70
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71
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72 def get_database_name(config):
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73 '''Get database name using config.RDBMS_NAME or config.RDBMS_SERVICE.
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74
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75 If database specifed using RDBMS_SERVICE does not exist,
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76 the error message is parsed for the database name. This
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77 will fail if the error message changes. The alternative is
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78 to try to find and parse the .pg_service .ini style file on
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79 unix/windows. This is less palatable.
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80
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81 If the database specified using RDBMS_SERVICE does exist, (i.e. we
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82 are doing a nuke operation), use psycopg.extenstion.ConnectionInfo
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83 to get the dbname. This requires psycopg2 > 2.8 from 2018.
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84 '''
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85
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86 if config.RDBMS_NAME:
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87 return config.RDBMS_NAME
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88
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89 template1 = connection_dict(config)
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90 try:
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91 conn = psycopg2.connect(**template1)
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92 except psycopg2.OperationalError as message:
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93 import re
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94 # extract db name from error:
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95 # 'connection to server at "127.0.0.1", port 5432 failed: \
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96 # FATAL: database "rounduptest" does not exist\n'
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97 # ugh.
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98 #
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99 # Database name is any character sequence not including a " or
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100 # whitespace. Arguably both are allowed by:
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101 #
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102 # https://www.postgresql.org/docs/current/sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS
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103 #
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104 # with suitable quoting but ... really.
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105 search = re.search(
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106 'FATAL:\s+database\s+"([^"\s]*)"\s+does\s+not\s+exist',
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107 message.args[0])
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108 if search:
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109 dbname = search.groups()[0]
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110 return dbname
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111
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112 raise hyperdb.DatabaseError(
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113 "Unable to determine database from service: %s" % message)
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114
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115 dbname = psycopg2.extensions.ConnectionInfo(conn).dbname
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116 conn.close()
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117 return dbname
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118
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119 def db_command(config, command, database='postgres'):
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120 '''Perform some sort of database-level command. Retry 10 times if we
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121 fail by conflicting with another user.
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122
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123 Since PostgreSQL version 8.1 there is a database "postgres",
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124 before "template1" seems to have been used, so we fall back to it.
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125 Compare to issue2550543.
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126 '''
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127 template1 = connection_dict(config)
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128 template1['database'] = database
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129
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130 try:
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131 conn = psycopg2.connect(**template1)
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132 except psycopg2.OperationalError as message:
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parents: 4471
diff changeset
133 if str(message).find('database "postgres" does not exist') >= 0:
f6c49df25048 PostgreSQL backend minor improvement:
Bernhard Reiter <Bernhard.Reiter@intevation.de>
parents: 4471
diff changeset
134 return db_command(config, command, database='template1')
4357
13b3155869e0 Beginnings of a big code cleanup / modernisation to make 2to3 happy
Richard Jones <richard@users.sourceforge.net>
parents: 4239
diff changeset
135 raise hyperdb.DatabaseError(message)
3918
c8899c4bf6ad safer session cleanup on postgres backends
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3863
diff changeset
136
2243
20507f6759fc postgresql backend altered to not use popen (thanks Georges Martin)
Richard Jones <richard@users.sourceforge.net>
parents: 2107
diff changeset
137 conn.set_isolation_level(0)
20507f6759fc postgresql backend altered to not use popen (thanks Georges Martin)
Richard Jones <richard@users.sourceforge.net>
parents: 2107
diff changeset
138 cursor = conn.cursor()
20507f6759fc postgresql backend altered to not use popen (thanks Georges Martin)
Richard Jones <richard@users.sourceforge.net>
parents: 2107
diff changeset
139 try:
6935
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
140 for _n in range(10):
2243
20507f6759fc postgresql backend altered to not use popen (thanks Georges Martin)
Richard Jones <richard@users.sourceforge.net>
parents: 2107
diff changeset
141 if pg_command(cursor, command):
20507f6759fc postgresql backend altered to not use popen (thanks Georges Martin)
Richard Jones <richard@users.sourceforge.net>
parents: 2107
diff changeset
142 return
20507f6759fc postgresql backend altered to not use popen (thanks Georges Martin)
Richard Jones <richard@users.sourceforge.net>
parents: 2107
diff changeset
143 finally:
20507f6759fc postgresql backend altered to not use popen (thanks Georges Martin)
Richard Jones <richard@users.sourceforge.net>
parents: 2107
diff changeset
144 conn.close()
7714
b41750bf9f03 fix: figure out dbname when using pg_service.
John Rouillard <rouilj@ieee.org>
parents: 7696
diff changeset
145 raise RuntimeError('10 attempts to create database failed when running: %s' % commandb)
2243
20507f6759fc postgresql backend altered to not use popen (thanks Georges Martin)
Richard Jones <richard@users.sourceforge.net>
parents: 2107
diff changeset
146
6935
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
147
2243
20507f6759fc postgresql backend altered to not use popen (thanks Georges Martin)
Richard Jones <richard@users.sourceforge.net>
parents: 2107
diff changeset
148 def pg_command(cursor, command):
20507f6759fc postgresql backend altered to not use popen (thanks Georges Martin)
Richard Jones <richard@users.sourceforge.net>
parents: 2107
diff changeset
149 '''Execute the postgresql command, which may be blocked by some other
20507f6759fc postgresql backend altered to not use popen (thanks Georges Martin)
Richard Jones <richard@users.sourceforge.net>
parents: 2107
diff changeset
150 user connecting to the database, and return a true value if it succeeds.
3918
c8899c4bf6ad safer session cleanup on postgres backends
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3863
diff changeset
151
3717
5770f1802cd0 better conflict retry in postgresql backend [SF#1552809]
Richard Jones <richard@users.sourceforge.net>
parents: 3715
diff changeset
152 If there is a concurrent update, retry the command.
2243
20507f6759fc postgresql backend altered to not use popen (thanks Georges Martin)
Richard Jones <richard@users.sourceforge.net>
parents: 2107
diff changeset
153 '''
20507f6759fc postgresql backend altered to not use popen (thanks Georges Martin)
Richard Jones <richard@users.sourceforge.net>
parents: 2107
diff changeset
154 try:
20507f6759fc postgresql backend altered to not use popen (thanks Georges Martin)
Richard Jones <richard@users.sourceforge.net>
parents: 2107
diff changeset
155 cursor.execute(command)
5751
5cb6e6b594b0 issue2551040: New release of psycopg2 drops support for psycopg1
John Rouillard <rouilj@ieee.org>
parents: 5319
diff changeset
156 except psycopg2.DatabaseError as err:
2243
20507f6759fc postgresql backend altered to not use popen (thanks Georges Martin)
Richard Jones <richard@users.sourceforge.net>
parents: 2107
diff changeset
157 response = str(err).split('\n')[0]
6332
6a6b4651be1f Use server-side cursor for postgres in some cases
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5751
diff changeset
158 if "FATAL" not in response:
5118
57452bc6d989 issue2550853 - better error handling and cleanup on some postgres
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
159 msgs = (
3717
5770f1802cd0 better conflict retry in postgresql backend [SF#1552809]
Richard Jones <richard@users.sourceforge.net>
parents: 3715
diff changeset
160 'is being accessed by other users',
5770f1802cd0 better conflict retry in postgresql backend [SF#1552809]
Richard Jones <richard@users.sourceforge.net>
parents: 3715
diff changeset
161 'could not serialize access due to concurrent update',
5118
57452bc6d989 issue2550853 - better error handling and cleanup on some postgres
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
162 )
6332
6a6b4651be1f Use server-side cursor for postgres in some cases
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5751
diff changeset
163 for msg in msgs:
6a6b4651be1f Use server-side cursor for postgres in some cases
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5751
diff changeset
164 if msg in response:
5118
57452bc6d989 issue2550853 - better error handling and cleanup on some postgres
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
165 time.sleep(0.1)
57452bc6d989 issue2550853 - better error handling and cleanup on some postgres
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
166 return 0
6935
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
167 raise RuntimeError(response)
2243
20507f6759fc postgresql backend altered to not use popen (thanks Georges Martin)
Richard Jones <richard@users.sourceforge.net>
parents: 2107
diff changeset
168 return 1
2075
b1704ba7be41 make mysql / postgresql work again. beginnings of otk/session store in rdbmses
Richard Jones <richard@users.sourceforge.net>
parents: 2073
diff changeset
169
6935
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
170
2075
b1704ba7be41 make mysql / postgresql work again. beginnings of otk/session store in rdbmses
Richard Jones <richard@users.sourceforge.net>
parents: 2073
diff changeset
171 def db_exists(config):
b1704ba7be41 make mysql / postgresql work again. beginnings of otk/session store in rdbmses
Richard Jones <richard@users.sourceforge.net>
parents: 2073
diff changeset
172 """Check if database already exists"""
3099
519b92df37dc handle ~/.my.cnf files for MySQL defaults [SF#1096031]
Richard Jones <richard@users.sourceforge.net>
parents: 3088
diff changeset
173 db = connection_dict(config, 'database')
2075
b1704ba7be41 make mysql / postgresql work again. beginnings of otk/session store in rdbmses
Richard Jones <richard@users.sourceforge.net>
parents: 2073
diff changeset
174 try:
5751
5cb6e6b594b0 issue2551040: New release of psycopg2 drops support for psycopg1
John Rouillard <rouilj@ieee.org>
parents: 5319
diff changeset
175 conn = psycopg2.connect(**db)
2075
b1704ba7be41 make mysql / postgresql work again. beginnings of otk/session store in rdbmses
Richard Jones <richard@users.sourceforge.net>
parents: 2073
diff changeset
176 conn.close()
b1704ba7be41 make mysql / postgresql work again. beginnings of otk/session store in rdbmses
Richard Jones <richard@users.sourceforge.net>
parents: 2073
diff changeset
177 return 1
6935
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
178 except Exception:
2075
b1704ba7be41 make mysql / postgresql work again. beginnings of otk/session store in rdbmses
Richard Jones <richard@users.sourceforge.net>
parents: 2073
diff changeset
179 return 0
1873
f63aa57386b0 Backend improvements.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
180
6935
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
181
3918
c8899c4bf6ad safer session cleanup on postgres backends
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3863
diff changeset
182 class Sessions(sessions_rdbms.Sessions):
3924
21d3d7eeea8c assorted pyflakes fixes
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3920
diff changeset
183 def set(self, *args, **kwargs):
3918
c8899c4bf6ad safer session cleanup on postgres backends
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3863
diff changeset
184 try:
3927
97ae174f7a0e add self to Sessions.set
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3924
diff changeset
185 sessions_rdbms.Sessions.set(self, *args, **kwargs)
5248
198b6e810c67 Use Python-3-compatible 'as' syntax for except statements
Eric S. Raymond <esr@thyrsus.com>
parents: 5118
diff changeset
186 except ProgrammingError as err:
3918
c8899c4bf6ad safer session cleanup on postgres backends
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3863
diff changeset
187 response = str(err).split('\n')[0]
c8899c4bf6ad safer session cleanup on postgres backends
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3863
diff changeset
188 if -1 != response.find('ERROR') and \
c8899c4bf6ad safer session cleanup on postgres backends
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3863
diff changeset
189 -1 != response.find('could not serialize access due to concurrent update'):
c8899c4bf6ad safer session cleanup on postgres backends
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3863
diff changeset
190 # another client just updated, and we're running on
c8899c4bf6ad safer session cleanup on postgres backends
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3863
diff changeset
191 # serializable isolation.
c8899c4bf6ad safer session cleanup on postgres backends
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3863
diff changeset
192 # see http://www.postgresql.org/docs/7.4/interactive/transaction-iso.html
c8899c4bf6ad safer session cleanup on postgres backends
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3863
diff changeset
193 self.db.rollback()
c8899c4bf6ad safer session cleanup on postgres backends
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3863
diff changeset
194
6935
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
195
1911
f5c804379c85 fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents: 1906
diff changeset
196 class Database(rdbms_common.Database):
5096
e74c3611b138 - issue2550636, issue2550909: Added support for Whoosh indexer.
John Rouillard <rouilj@ieee.org>
parents: 4887
diff changeset
197 """Postgres DB backend implementation
e74c3611b138 - issue2550636, issue2550909: Added support for Whoosh indexer.
John Rouillard <rouilj@ieee.org>
parents: 4887
diff changeset
198
e74c3611b138 - issue2550636, issue2550909: Added support for Whoosh indexer.
John Rouillard <rouilj@ieee.org>
parents: 4887
diff changeset
199 attributes:
e74c3611b138 - issue2550636, issue2550909: Added support for Whoosh indexer.
John Rouillard <rouilj@ieee.org>
parents: 4887
diff changeset
200 dbtype:
e74c3611b138 - issue2550636, issue2550909: Added support for Whoosh indexer.
John Rouillard <rouilj@ieee.org>
parents: 4887
diff changeset
201 holds the value for the type of db. It is used by indexer to
e74c3611b138 - issue2550636, issue2550909: Added support for Whoosh indexer.
John Rouillard <rouilj@ieee.org>
parents: 4887
diff changeset
202 identify the database type so it can import the correct indexer
e74c3611b138 - issue2550636, issue2550909: Added support for Whoosh indexer.
John Rouillard <rouilj@ieee.org>
parents: 4887
diff changeset
203 module when using native text search mode.
7668
5b41018617f2 fix: out of memory error when importing under postgresql
John Rouillard <rouilj@ieee.org>
parents: 6935
diff changeset
204
5b41018617f2 fix: out of memory error when importing under postgresql
John Rouillard <rouilj@ieee.org>
parents: 6935
diff changeset
205 import_savepoint_count:
5b41018617f2 fix: out of memory error when importing under postgresql
John Rouillard <rouilj@ieee.org>
parents: 6935
diff changeset
206 count the number of savepoints that have been created during
5b41018617f2 fix: out of memory error when importing under postgresql
John Rouillard <rouilj@ieee.org>
parents: 6935
diff changeset
207 import. Once the limit of savepoints is reached, a commit is
5b41018617f2 fix: out of memory error when importing under postgresql
John Rouillard <rouilj@ieee.org>
parents: 6935
diff changeset
208 done and this is reset to 0.
5b41018617f2 fix: out of memory error when importing under postgresql
John Rouillard <rouilj@ieee.org>
parents: 6935
diff changeset
209
5096
e74c3611b138 - issue2550636, issue2550909: Added support for Whoosh indexer.
John Rouillard <rouilj@ieee.org>
parents: 4887
diff changeset
210 """
e74c3611b138 - issue2550636, issue2550909: Added support for Whoosh indexer.
John Rouillard <rouilj@ieee.org>
parents: 4887
diff changeset
211
1873
f63aa57386b0 Backend improvements.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
212 arg = '%s'
f63aa57386b0 Backend improvements.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
213
5096
e74c3611b138 - issue2550636, issue2550909: Added support for Whoosh indexer.
John Rouillard <rouilj@ieee.org>
parents: 4887
diff changeset
214 dbtype = "postgres"
e74c3611b138 - issue2550636, issue2550909: Added support for Whoosh indexer.
John Rouillard <rouilj@ieee.org>
parents: 4887
diff changeset
215
7668
5b41018617f2 fix: out of memory error when importing under postgresql
John Rouillard <rouilj@ieee.org>
parents: 6935
diff changeset
216 import_savepoint_count = 0
5b41018617f2 fix: out of memory error when importing under postgresql
John Rouillard <rouilj@ieee.org>
parents: 6935
diff changeset
217
5b41018617f2 fix: out of memory error when importing under postgresql
John Rouillard <rouilj@ieee.org>
parents: 6935
diff changeset
218 # Value is set from roundup-admin using db.config["RDBMS_SAVEPOINT_LIMIT"]
5b41018617f2 fix: out of memory error when importing under postgresql
John Rouillard <rouilj@ieee.org>
parents: 6935
diff changeset
219 # or to the default of 10_000 at runtime. Use 0 here to trigger
5b41018617f2 fix: out of memory error when importing under postgresql
John Rouillard <rouilj@ieee.org>
parents: 6935
diff changeset
220 # initialization.
5b41018617f2 fix: out of memory error when importing under postgresql
John Rouillard <rouilj@ieee.org>
parents: 6935
diff changeset
221 savepoint_limit = 0
5b41018617f2 fix: out of memory error when importing under postgresql
John Rouillard <rouilj@ieee.org>
parents: 6935
diff changeset
222
3048
d9b4224f955c merge from maint-0-8
Richard Jones <richard@users.sourceforge.net>
parents: 2745
diff changeset
223 # used by some code to switch styles of query
d9b4224f955c merge from maint-0-8
Richard Jones <richard@users.sourceforge.net>
parents: 2745
diff changeset
224 implements_intersect = 1
d9b4224f955c merge from maint-0-8
Richard Jones <richard@users.sourceforge.net>
parents: 2745
diff changeset
225
1911
f5c804379c85 fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents: 1906
diff changeset
226 def sql_open_connection(self):
3099
519b92df37dc handle ~/.my.cnf files for MySQL defaults [SF#1096031]
Richard Jones <richard@users.sourceforge.net>
parents: 3088
diff changeset
227 db = connection_dict(self.config, 'database')
7696
4af0d235b570 feat(db): support using postgresql service connection file
John Rouillard <rouilj@ieee.org>
parents: 7668
diff changeset
228 # database option always present: log it if not null
4af0d235b570 feat(db): support using postgresql service connection file
John Rouillard <rouilj@ieee.org>
parents: 7668
diff changeset
229 if db['database']:
4af0d235b570 feat(db): support using postgresql service connection file
John Rouillard <rouilj@ieee.org>
parents: 7668
diff changeset
230 logging.getLogger('roundup.hyperdb').info(
4af0d235b570 feat(db): support using postgresql service connection file
John Rouillard <rouilj@ieee.org>
parents: 7668
diff changeset
231 'open database %r' % db['database'])
4af0d235b570 feat(db): support using postgresql service connection file
John Rouillard <rouilj@ieee.org>
parents: 7668
diff changeset
232 if 'service' in db: # only log if used
4af0d235b570 feat(db): support using postgresql service connection file
John Rouillard <rouilj@ieee.org>
parents: 7668
diff changeset
233 logging.getLogger('roundup.hyperdb').info(
4af0d235b570 feat(db): support using postgresql service connection file
John Rouillard <rouilj@ieee.org>
parents: 7668
diff changeset
234 'open database via service %r' % db['service'])
2082
c091cacdc505 Finished implementation of session and one-time-key stores for RDBMS backends.
Richard Jones <richard@users.sourceforge.net>
parents: 2077
diff changeset
235 try:
5751
5cb6e6b594b0 issue2551040: New release of psycopg2 drops support for psycopg1
John Rouillard <rouilj@ieee.org>
parents: 5319
diff changeset
236 conn = psycopg2.connect(**db)
5cb6e6b594b0 issue2551040: New release of psycopg2 drops support for psycopg1
John Rouillard <rouilj@ieee.org>
parents: 5319
diff changeset
237 except psycopg2.OperationalError as message:
4357
13b3155869e0 Beginnings of a big code cleanup / modernisation to make 2to3 happy
Richard Jones <richard@users.sourceforge.net>
parents: 4239
diff changeset
238 raise hyperdb.DatabaseError(message)
2082
c091cacdc505 Finished implementation of session and one-time-key stores for RDBMS backends.
Richard Jones <richard@users.sourceforge.net>
parents: 2077
diff changeset
239
c091cacdc505 Finished implementation of session and one-time-key stores for RDBMS backends.
Richard Jones <richard@users.sourceforge.net>
parents: 2077
diff changeset
240 cursor = conn.cursor()
4887
05c857e5dbed New rdbms configuration option 'isolation_level'
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4787
diff changeset
241 if ISOLATION_LEVEL_REPEATABLE_READ is not None:
6935
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
242 lvl = isolation_levels[self.config.RDBMS_ISOLATION_LEVEL]
4887
05c857e5dbed New rdbms configuration option 'isolation_level'
Ralf Schlatterbeck <rsc@runtux.com>
parents: 4787
diff changeset
243 conn.set_isolation_level(lvl)
2082
c091cacdc505 Finished implementation of session and one-time-key stores for RDBMS backends.
Richard Jones <richard@users.sourceforge.net>
parents: 2077
diff changeset
244
c091cacdc505 Finished implementation of session and one-time-key stores for RDBMS backends.
Richard Jones <richard@users.sourceforge.net>
parents: 2077
diff changeset
245 return (conn, cursor)
c091cacdc505 Finished implementation of session and one-time-key stores for RDBMS backends.
Richard Jones <richard@users.sourceforge.net>
parents: 2077
diff changeset
246
6332
6a6b4651be1f Use server-side cursor for postgres in some cases
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5751
diff changeset
247 def sql_new_cursor(self, name='default', conn=None, *args, **kw):
6a6b4651be1f Use server-side cursor for postgres in some cases
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5751
diff changeset
248 """ Create new cursor, this may need additional parameters for
6a6b4651be1f Use server-side cursor for postgres in some cases
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5751
diff changeset
249 performance optimization for different backends.
6a6b4651be1f Use server-side cursor for postgres in some cases
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5751
diff changeset
250 """
6a6b4651be1f Use server-side cursor for postgres in some cases
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5751
diff changeset
251 use_name = self.config.RDBMS_SERVERSIDE_CURSOR
6a6b4651be1f Use server-side cursor for postgres in some cases
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5751
diff changeset
252 kw = {}
6a6b4651be1f Use server-side cursor for postgres in some cases
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5751
diff changeset
253 if use_name:
6a6b4651be1f Use server-side cursor for postgres in some cases
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5751
diff changeset
254 kw['name'] = name
6a6b4651be1f Use server-side cursor for postgres in some cases
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5751
diff changeset
255 if conn is None:
6a6b4651be1f Use server-side cursor for postgres in some cases
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5751
diff changeset
256 conn = self.conn
6a6b4651be1f Use server-side cursor for postgres in some cases
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5751
diff changeset
257 return conn.cursor(*args, **kw)
6a6b4651be1f Use server-side cursor for postgres in some cases
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5751
diff changeset
258
2082
c091cacdc505 Finished implementation of session and one-time-key stores for RDBMS backends.
Richard Jones <richard@users.sourceforge.net>
parents: 2077
diff changeset
259 def open_connection(self):
2075
b1704ba7be41 make mysql / postgresql work again. beginnings of otk/session store in rdbmses
Richard Jones <richard@users.sourceforge.net>
parents: 2073
diff changeset
260 if not db_exists(self.config):
b1704ba7be41 make mysql / postgresql work again. beginnings of otk/session store in rdbmses
Richard Jones <richard@users.sourceforge.net>
parents: 2073
diff changeset
261 db_create(self.config)
b1704ba7be41 make mysql / postgresql work again. beginnings of otk/session store in rdbmses
Richard Jones <richard@users.sourceforge.net>
parents: 2073
diff changeset
262
2082
c091cacdc505 Finished implementation of session and one-time-key stores for RDBMS backends.
Richard Jones <richard@users.sourceforge.net>
parents: 2077
diff changeset
263 self.conn, self.cursor = self.sql_open_connection()
1873
f63aa57386b0 Backend improvements.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
264
f63aa57386b0 Backend improvements.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
265 try:
2073
261c2e6ceb1e *** empty log message ***
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
266 self.load_dbschema()
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267 except ProgrammingError as message:
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268 if str(message).find('schema') == -1:
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269 raise
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270 self.rollback()
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271 self.init_dbschema()
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272 self.sql("CREATE TABLE schema (schema TEXT)")
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273 self.sql("CREATE TABLE dual (dummy integer)")
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274 self.sql("insert into dual values (1)")
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275 self.create_version_2_tables()
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276 self.fix_version_3_tables()
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277 # Need to commit here, otherwise otk/session will not find
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278 # the necessary tables (in a parallel connection!)
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279 self.commit()
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280 self._add_fts_table()
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281 self.commit()
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282
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283 def checkpoint_data(self, savepoint="importing"):
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284 """Create a subtransaction savepoint. Allows recovery/retry
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285 of operation in exception handler because
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286 postgres requires a rollback in case of error
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287 generating exception. Used with
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288 restore_connection_on_error to handle uniqueness
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289 conflict in import_table().
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290
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291 Savepoints take memory resources. Postgres keeps all
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292 savepoints (rather than overwriting) until a
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293 commit(). Commit every ~10,000 savepoints to prevent
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294 running out of memory on import.
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295
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296 NOTE: a commit outside of this method will not reset the
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297 import_savepoint_count. This can result in an unneeded
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298 commit on a new cursor (that has no savepoints) as there is
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299 no way to find out if there is a savepoint or how many
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300 savepoints are opened on a db connection/cursor.
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301
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302 Because an import is a one shot deal and not part of a long
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303 running daemon (e.g. the roundup-server), I am not too
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304 worried about it. It will just slow the import down a tad.
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305 """
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306
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307 self.sql('SAVEPOINT %s' % savepoint)
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308
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309 self.import_savepoint_count += 1
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310
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311 if not self.savepoint_limit:
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312 if "RDBMS_SAVEPOINT_LIMIT" in self.config.keys():
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313 # note this config option is created on the fly
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314 # by admin.py::do_import. It is never listed in
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315 # config.ini.
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316 self.savepoint_limit = self.config["RDBMS_SAVEPOINT_LIMIT"]
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317 else:
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318 self.savepoint_limit = 10000
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319
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320 if self.import_savepoint_count > self.savepoint_limit:
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321 # track savepoints and commit every 10000 (or user value)
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322 # so we don't run postgres out of memory. An import of a
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323 # customer's tracker ran out of memory after importing
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324 # ~23000 items with: psycopg2.errors.OutOfMemory: out of
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diff changeset
325 # shared memory HINT: You might need to increase
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326 # max_locks_per_transaction.
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327
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328 self.commit()
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329 self.import_savepoint_count = 0
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330
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331 def restore_connection_on_error(self, savepoint="importing"):
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332 """Postgres leaves a connection/cursor in an unusable state
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333 after an error. Rollback the transaction to a
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334 previous savepoint and permit a retry of the
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335 failed statement. Used with checkpoint_data to
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336 handle uniqueness conflict in import_table().
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337 """
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338 self.sql('ROLLBACK TO %s' % savepoint)
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339
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diff changeset
340 def create_version_2_tables(self):
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341 # OTK store
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342 self.sql('''CREATE TABLE otks (otk_key VARCHAR(255),
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343 otk_value TEXT, otk_time float)''')
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344 self.sql('CREATE INDEX otks_key_idx ON otks(otk_key)')
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345
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346 # Sessions store
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347 self.sql('''CREATE TABLE sessions (
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348 session_key VARCHAR(255), session_time float,
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349 session_value TEXT)''')
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350 self.sql('''CREATE INDEX sessions_key_idx ON
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351 sessions(session_key)''')
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352
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353 # full-text indexing store
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354 self.sql('CREATE SEQUENCE ___textids_ids')
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355 self.sql('''CREATE TABLE __textids (
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356 _textid integer primary key, _class VARCHAR(255),
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357 _itemid VARCHAR(255), _prop VARCHAR(255))''')
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358 self.sql('''CREATE TABLE __words (_word VARCHAR(%s),
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359 _textid integer)''' % (self.indexer.maxlength + 5))
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360 self.sql('CREATE INDEX words_word_idx ON __words(_word)')
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361 self.sql('CREATE INDEX words_by_id ON __words (_textid)')
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362 self.sql('CREATE UNIQUE INDEX __textids_by_props ON '
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363 '__textids (_class, _itemid, _prop)')
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364
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365 def fix_version_2_tables(self):
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366 # Convert journal date column to TIMESTAMP, params column to TEXT
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367 self._convert_journal_tables()
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368
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369 # Convert all String properties to TEXT
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370 self._convert_string_properties()
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371
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diff changeset
372 # convert session / OTK *_time columns to REAL
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373 for name in ('otk', 'session'):
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374 self.sql('drop index %ss_key_idx' % name)
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375 self.sql('drop table %ss' % name)
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376 self.sql('''CREATE TABLE %ss (%s_key VARCHAR(255),
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377 %s_value VARCHAR(255), %s_time REAL)''' % (name, name,
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378 name, name))
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379 self.sql('CREATE INDEX %ss_key_idx ON %ss(%s_key)' % (name, name,
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380 name))
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381
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382 def fix_version_3_tables(self):
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383 rdbms_common.Database.fix_version_3_tables(self)
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384 self.sql('''CREATE INDEX words_both_idx ON public.__words
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385 USING btree (_word, _textid)''')
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386
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387 def _add_fts_table(self):
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388 self.sql(
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389 'CREATE TABLE __fts (_class VARCHAR(255), '
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390 '_itemid VARCHAR(255), _prop VARCHAR(255), _tsv tsvector)'
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391 )
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392
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393 self.sql('CREATE INDEX __fts_idx ON __fts USING GIN (_tsv)')
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394
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395 def fix_version_6_tables(self):
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396 # Modify length for __words._word column.
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diff changeset
397 c = self.cursor
39189dd94f2c issue2551189 - increase size of words in full text index.
John Rouillard <rouilj@ieee.org>
parents: 6593
diff changeset
398 sql = 'alter table __words alter column _word type varchar(%s)' % (
39189dd94f2c issue2551189 - increase size of words in full text index.
John Rouillard <rouilj@ieee.org>
parents: 6593
diff changeset
399 self.arg)
39189dd94f2c issue2551189 - increase size of words in full text index.
John Rouillard <rouilj@ieee.org>
parents: 6593
diff changeset
400 # Why magic number 5? It was the original offset between
39189dd94f2c issue2551189 - increase size of words in full text index.
John Rouillard <rouilj@ieee.org>
parents: 6593
diff changeset
401 # column length and maxlength.
39189dd94f2c issue2551189 - increase size of words in full text index.
John Rouillard <rouilj@ieee.org>
parents: 6593
diff changeset
402 c.execute(sql, (self.indexer.maxlength + 5,))
39189dd94f2c issue2551189 - increase size of words in full text index.
John Rouillard <rouilj@ieee.org>
parents: 6593
diff changeset
403
6604
0d99ae7c8de6 Allow Roundup to use PostgreSQL database native full text search
John Rouillard <rouilj@ieee.org>
parents: 6599
diff changeset
404 self._add_fts_table()
0d99ae7c8de6 Allow Roundup to use PostgreSQL database native full text search
John Rouillard <rouilj@ieee.org>
parents: 6599
diff changeset
405
6806
bdd28b244839 - issue2551223 - fix timestamp truncation in mysql and postgresql
John Rouillard <rouilj@ieee.org>
parents: 6610
diff changeset
406 def fix_version_7_tables(self):
bdd28b244839 - issue2551223 - fix timestamp truncation in mysql and postgresql
John Rouillard <rouilj@ieee.org>
parents: 6610
diff changeset
407 # Modify type for session.session_time/otk.otk_time column.
bdd28b244839 - issue2551223 - fix timestamp truncation in mysql and postgresql
John Rouillard <rouilj@ieee.org>
parents: 6610
diff changeset
408 # float is double precision 15 signifcant digits
bdd28b244839 - issue2551223 - fix timestamp truncation in mysql and postgresql
John Rouillard <rouilj@ieee.org>
parents: 6610
diff changeset
409 sql = 'alter table sessions alter column session_time type float'
bdd28b244839 - issue2551223 - fix timestamp truncation in mysql and postgresql
John Rouillard <rouilj@ieee.org>
parents: 6610
diff changeset
410 self.sql(sql)
bdd28b244839 - issue2551223 - fix timestamp truncation in mysql and postgresql
John Rouillard <rouilj@ieee.org>
parents: 6610
diff changeset
411 sql = 'alter table otks alter column otk_time type float'
bdd28b244839 - issue2551223 - fix timestamp truncation in mysql and postgresql
John Rouillard <rouilj@ieee.org>
parents: 6610
diff changeset
412 self.sql(sql)
bdd28b244839 - issue2551223 - fix timestamp truncation in mysql and postgresql
John Rouillard <rouilj@ieee.org>
parents: 6610
diff changeset
413
6913
b0dbc13a835a fix missed renaming from revision 98d3bf8ffb19 done 2004-04-18
John Rouillard <rouilj@ieee.org>
parents: 6806
diff changeset
414 def add_new_columns_v2(self):
2077
3e0961d6d44d Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents: 2075
diff changeset
415 # update existing tables to have the new actor column
3e0961d6d44d Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents: 2075
diff changeset
416 tables = self.database_schema['tables']
4357
13b3155869e0 Beginnings of a big code cleanup / modernisation to make 2to3 happy
Richard Jones <richard@users.sourceforge.net>
parents: 4239
diff changeset
417 for name in tables:
6935
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
418 self.sql('ALTER TABLE _%s add __actor VARCHAR(255)' % name)
2077
3e0961d6d44d Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents: 2075
diff changeset
419
1873
f63aa57386b0 Backend improvements.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
420 def __repr__(self):
1906
f255363e6d97 PostgreSQL backend lands.
Richard Jones <richard@users.sourceforge.net>
parents: 1873
diff changeset
421 return '<roundpsycopgsql 0x%x>' % id(self)
1873
f63aa57386b0 Backend improvements.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
422
f63aa57386b0 Backend improvements.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
423 def sql_stringquote(self, value):
5751
5cb6e6b594b0 issue2551040: New release of psycopg2 drops support for psycopg1
John Rouillard <rouilj@ieee.org>
parents: 5319
diff changeset
424 ''' psycopg2.QuotedString returns a "buffer" object with the
1906
f255363e6d97 PostgreSQL backend lands.
Richard Jones <richard@users.sourceforge.net>
parents: 1873
diff changeset
425 single-quotes around it... '''
3715
50add98cbbac change as per last message in patch [SF#1429391]
Richard Jones <richard@users.sourceforge.net>
parents: 3687
diff changeset
426 return str(QuotedString(str(value)))[1:-1]
1906
f255363e6d97 PostgreSQL backend lands.
Richard Jones <richard@users.sourceforge.net>
parents: 1873
diff changeset
427
f255363e6d97 PostgreSQL backend lands.
Richard Jones <richard@users.sourceforge.net>
parents: 1873
diff changeset
428 def sql_index_exists(self, table_name, index_name):
f255363e6d97 PostgreSQL backend lands.
Richard Jones <richard@users.sourceforge.net>
parents: 1873
diff changeset
429 sql = 'select count(*) from pg_indexes where ' \
6935
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
430 'tablename=%s and indexname=%s' % (self.arg, self.arg)
2514
091711fb2f8c Initial logging integration: replace all debug prints with logging calls...
Richard Jones <richard@users.sourceforge.net>
parents: 2424
diff changeset
431 self.sql(sql, (table_name, index_name))
1906
f255363e6d97 PostgreSQL backend lands.
Richard Jones <richard@users.sourceforge.net>
parents: 1873
diff changeset
432 return self.cursor.fetchone()[0]
1873
f63aa57386b0 Backend improvements.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
433
2424
74474ec41050 argh! backwards compat
Richard Jones <richard@users.sourceforge.net>
parents: 2413
diff changeset
434 def create_class_table(self, spec, create_sequence=1):
2413
7d0bb6601809 fix some column datatypes in postgresql and mysql
Richard Jones <richard@users.sourceforge.net>
parents: 2256
diff changeset
435 if create_sequence:
6935
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
436 sql = 'CREATE SEQUENCE _%s_ids' % spec.classname
2514
091711fb2f8c Initial logging integration: replace all debug prints with logging calls...
Richard Jones <richard@users.sourceforge.net>
parents: 2424
diff changeset
437 self.sql(sql)
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2093
diff changeset
438
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2093
diff changeset
439 return rdbms_common.Database.create_class_table(self, spec)
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2093
diff changeset
440
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2093
diff changeset
441 def drop_class_table(self, cn):
6935
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
442 sql = 'drop table _%s' % cn
2514
091711fb2f8c Initial logging integration: replace all debug prints with logging calls...
Richard Jones <richard@users.sourceforge.net>
parents: 2424
diff changeset
443 self.sql(sql)
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2093
diff changeset
444
6935
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
445 sql = 'drop sequence _%s_ids' % cn
2514
091711fb2f8c Initial logging integration: replace all debug prints with logging calls...
Richard Jones <richard@users.sourceforge.net>
parents: 2424
diff changeset
446 self.sql(sql)
1873
f63aa57386b0 Backend improvements.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
447
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2093
diff changeset
448 def newid(self, classname):
6935
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
449 sql = "select nextval('_%s_ids') from dual" % classname
2514
091711fb2f8c Initial logging integration: replace all debug prints with logging calls...
Richard Jones <richard@users.sourceforge.net>
parents: 2424
diff changeset
450 self.sql(sql)
3977
732a37da3a10 Fix for postgres 8.3 compatibility (and bug) (patch [SF#2030479])
Richard Jones <richard@users.sourceforge.net>
parents: 3927
diff changeset
451 return str(self.cursor.fetchone()[0])
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2093
diff changeset
452
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2093
diff changeset
453 def setid(self, classname, setid):
6935
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
454 sql = "select setval('_%s_ids', %s) from dual" % (classname,
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
455 int(setid))
2514
091711fb2f8c Initial logging integration: replace all debug prints with logging calls...
Richard Jones <richard@users.sourceforge.net>
parents: 2424
diff changeset
456 self.sql(sql)
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2093
diff changeset
457
3310
3518d1ffd940 merge from maint-0-7
Richard Jones <richard@users.sourceforge.net>
parents: 3155
diff changeset
458 def clear(self):
3518d1ffd940 merge from maint-0-7
Richard Jones <richard@users.sourceforge.net>
parents: 3155
diff changeset
459 rdbms_common.Database.clear(self)
3518d1ffd940 merge from maint-0-7
Richard Jones <richard@users.sourceforge.net>
parents: 3155
diff changeset
460
3518d1ffd940 merge from maint-0-7
Richard Jones <richard@users.sourceforge.net>
parents: 3155
diff changeset
461 # reset the sequences
4357
13b3155869e0 Beginnings of a big code cleanup / modernisation to make 2to3 happy
Richard Jones <richard@users.sourceforge.net>
parents: 4239
diff changeset
462 for cn in self.classes:
6935
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
463 self.cursor.execute('DROP SEQUENCE _%s_ids' % cn)
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
464 self.cursor.execute('CREATE SEQUENCE _%s_ids' % cn)
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
465
3310
3518d1ffd940 merge from maint-0-7
Richard Jones <richard@users.sourceforge.net>
parents: 3155
diff changeset
466
3685
4d9adb8bc3b1 Null-value sorting fixes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3659
diff changeset
467 class PostgresqlClass:
4d9adb8bc3b1 Null-value sorting fixes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3659
diff changeset
468 order_by_null_values = '(%s is not NULL)'
4787
4a017661e414 Closed issue2550805 (Postgresql should search title case insensitive), by Tom Ekberg.
Bernhard Reiter <bernhard@intevation.de>
parents: 4570
diff changeset
469 case_insensitive_like = 'ILIKE'
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2093
diff changeset
470
6935
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
471
3685
4d9adb8bc3b1 Null-value sorting fixes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3659
diff changeset
472 class Class(PostgresqlClass, rdbms_common.Class):
1873
f63aa57386b0 Backend improvements.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
473 pass
6935
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
474
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
475
3685
4d9adb8bc3b1 Null-value sorting fixes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3659
diff changeset
476 class IssueClass(PostgresqlClass, rdbms_common.IssueClass):
1873
f63aa57386b0 Backend improvements.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
477 pass
6935
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
478
b5062cb5c2a2 flake8 fixes
John Rouillard <rouilj@ieee.org>
parents: 6913
diff changeset
479
3685
4d9adb8bc3b1 Null-value sorting fixes:
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3659
diff changeset
480 class FileClass(PostgresqlClass, rdbms_common.FileClass):
1873
f63aa57386b0 Backend improvements.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
481 pass
f63aa57386b0 Backend improvements.
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
482
3920
416606b09b27 fix vim modelines
Justus Pendleton <jpend@users.sourceforge.net>
parents: 3918
diff changeset
483 # vim: set et sts=4 sw=4 :
Roundup Issue Tracker: http://roundup-tracker.org/