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annotate roundup/backends/back_sqlite.py @ 7699:e10d0b262abd

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fix: diagnose/report use of SQLite without FTS5 support As of 2.2.0 Roundup requires FTS5 support in SQLite. FTS5 has been part of the main SQLite distribution since October 2015. Tonu Mikk found this when trying to run 2.3.0 under RedHat 7. He got a traceback when trying to spin up 2.3.0. It took us a bit to figure out that FTS5 was missing from the SQLite library used by Python3. See: https://sourceforge.net/p/roundup/mailman/message/51783129/ This change catches the sql error and checks to see if the ENABLE_FTS5 compile option is defined. If not it raises NotImplementedError with a more useful error message and reports the version of SQLite in use. This will at least ease diagnosis. Trying to support SQLite without FTS5 support raises a number of issues including tracking the internal schema used by Roundup. So not going to attempt that. Details: https://sourceforge.net/p/roundup/mailman/message/51783321/
author John Rouillard <rouilj@ieee.org>
date Sun, 12 Nov 2023 19:35:07 -0500
parents e138f5cf432a
children e3975f679bf1
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1 """Implements a backend for SQLite.
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2
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3 See https://pysqlite.sourceforge.net/ for pysqlite info
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4
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6 NOTE: we use the rdbms_common table creation methods which define datatypes
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7 for the columns, but sqlite IGNORES these specifications.
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8 """
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9 __docformat__ = 'restructuredtext'
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10
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11 import logging
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12 import os
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13 import shutil
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14 import time
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15
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16
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17 from roundup import hyperdb, date, password
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18 from roundup.backends import rdbms_common
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19 from roundup.backends import sessions_sqlite
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20 from roundup.backends import sessions_dbm
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21
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22 try:
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23 from roundup.backends import sessions_redis
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24 except ImportError:
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25 sessions_redis = None
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26
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27 from roundup.anypy.strings import uany2s
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28
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29 sqlite_version = None
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30 try:
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31 import sqlite3 as sqlite
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32 sqlite_version = 3
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33 except ImportError:
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34 try:
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35 from pysqlite2 import dbapi2 as sqlite
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36 if sqlite.version_info < (2, 1, 0):
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37 raise ValueError('pysqlite2 minimum version is 2.1.0+ '
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38 '- %s found' % sqlite.version)
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39 sqlite_version = 2
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40 except ImportError:
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41 import sqlite
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42 sqlite_version = 1
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43
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44
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45 def db_exists(config):
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46 return os.path.exists(os.path.join(config.DATABASE, 'db'))
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48
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49 def db_nuke(config):
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50 shutil.rmtree(config.DATABASE)
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51
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52
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53 class Database(rdbms_common.Database):
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54 """Sqlite DB backend implementation
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55
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56 attributes:
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57 dbtype:
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58 holds the value for the type of db. It is used by indexer to
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59 identify the database type so it can import the correct indexer
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60 module when using native text search mode.
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61 """
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62
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63 # char to use for positional arguments
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64 if sqlite_version in (2, 3):
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65 arg = '?'
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66 else:
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67 arg = '%s'
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68
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69 dbtype = "sqlite"
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70
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71 # used by some code to switch styles of query
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72 implements_intersect = 1
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73
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74 # used in generic backend to determine if db supports
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75 # 'DOUBLE PRECISION' for floating point numbers. Note that sqlite
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76 # already has double precision as its standard 'REAL' type. So this
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77 # is set to False here.
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78
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79 implements_double_precision = False
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80
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81 hyperdb_to_sql_datatypes = {
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82 hyperdb.String : 'VARCHAR(255)', # noqa: E203
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83 hyperdb.Date : 'VARCHAR(30)', # noqa: E203
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84 hyperdb.Link : 'INTEGER', # noqa: E203
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85 hyperdb.Interval : 'VARCHAR(255)', # noqa: E203
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86 hyperdb.Password : 'VARCHAR(255)', # noqa: E203
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87 hyperdb.Boolean : 'BOOLEAN', # noqa: E203
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88 hyperdb.Number : 'REAL', # noqa: E203
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89 hyperdb.Integer : 'INTEGER', # noqa: E203
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90 }
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91 hyperdb_to_sql_value = {
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92 hyperdb.String : str, # noqa: E203
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93 hyperdb.Date : lambda x: x.serialise(), # noqa: E203
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94 hyperdb.Link : int, # noqa: E203
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95 hyperdb.Interval : str, # noqa: E203
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96 hyperdb.Password : str, # noqa: E203
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97 hyperdb.Boolean : int, # noqa: E203
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98 hyperdb.Integer : int, # noqa: E203
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99 hyperdb.Number : lambda x: x, # noqa: E203
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100 hyperdb.Multilink : lambda x: x, # used in journal marshalling, # noqa: E203
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101 }
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102 sql_to_hyperdb_value = {
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103 hyperdb.String : uany2s, # noqa: E203
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104 hyperdb.Date : lambda x: date.Date(str(x)), # noqa: E203
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105 hyperdb.Link : str, # XXX numeric ids # noqa: E203
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106 hyperdb.Interval : date.Interval, # noqa: E203
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107 hyperdb.Password : lambda x: password.Password(encrypted=x), # noqa: E203
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108 hyperdb.Boolean : int, # noqa: E203
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109 hyperdb.Integer : int, # noqa: E203
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110 hyperdb.Number : rdbms_common._num_cvt, # noqa: E203
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111 hyperdb.Multilink : lambda x: x, # used in journal marshalling, # noqa: E203
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112 }
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113
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114 # We can use DBM, redis or SQLite for managing session info and
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115 # one-time keys:
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116 # For SQL database storage of this info we have to create separate
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117 # databases for Otk and Session because SQLite doesn't support
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118 # concurrent connections to the same database.
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119 def getSessionManager(self):
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120 if not self.Session:
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121 if self.config.SESSIONDB_BACKEND == "redis":
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122 if sessions_redis is None:
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123 self.Session = sessions_sqlite.Sessions(self)
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124 raise ValueError("[redis] session is set, but "
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125 "redis module is not found")
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126 self.Session = sessions_redis.Sessions(self)
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127 elif self.config.SESSIONDB_BACKEND == "anydbm":
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128 self.Session = sessions_dbm.Sessions(self)
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diff changeset
129 else:
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diff changeset
130 self.Session = sessions_sqlite.Sessions(self)
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131 return self.Session
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diff changeset
132
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diff changeset
133 def getOTKManager(self):
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diff changeset
134 if not self.Otk:
6814
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parents: 6804
diff changeset
135 if self.config.SESSIONDB_BACKEND == "redis":
3f60a71b0812 Summary: Support selecion session/otk data store. Add redis as data store.
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parents: 6804
diff changeset
136 if sessions_redis is None:
3f60a71b0812 Summary: Support selecion session/otk data store. Add redis as data store.
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parents: 6804
diff changeset
137 self.Session = sessions_sqlite.OneTimeKeys(self)
3f60a71b0812 Summary: Support selecion session/otk data store. Add redis as data store.
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parents: 6804
diff changeset
138 raise ValueError("[redis] session is set, but "
3f60a71b0812 Summary: Support selecion session/otk data store. Add redis as data store.
John Rouillard <rouilj@ieee.org>
parents: 6804
diff changeset
139 "redis is not found")
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parents: 6804
diff changeset
140 self.Otk = sessions_redis.OneTimeKeys(self)
3f60a71b0812 Summary: Support selecion session/otk data store. Add redis as data store.
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parents: 6804
diff changeset
141 elif self.config.SESSIONDB_BACKEND == "anydbm":
3f60a71b0812 Summary: Support selecion session/otk data store. Add redis as data store.
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parents: 6804
diff changeset
142 self.Otk = sessions_dbm.OneTimeKeys(self)
3f60a71b0812 Summary: Support selecion session/otk data store. Add redis as data store.
John Rouillard <rouilj@ieee.org>
parents: 6804
diff changeset
143 else:
3f60a71b0812 Summary: Support selecion session/otk data store. Add redis as data store.
John Rouillard <rouilj@ieee.org>
parents: 6804
diff changeset
144 self.Otk = sessions_sqlite.OneTimeKeys(self)
5319
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diff changeset
145 return self.Otk
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parents: 5318
diff changeset
146
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Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2764
diff changeset
147 def sqlite_busy_handler(self, data, table, count):
fddbbeb581bc sqlite_busy_timeout is not supported in pysqlite 1.1 (SQLite 3.x).
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parents: 2764
diff changeset
148 """invoked whenever SQLite tries to access a database that is locked"""
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149 now = time.time()
2847
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parents: 2764
diff changeset
150 if count == 1:
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diff changeset
151 # Timeout for handling locked database (default 30s)
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diff changeset
152 self._busy_handler_endtime = now + self.config.RDBMS_SQLITE_TIMEOUT
3e35233ea93c new rdbms config item sqlite_timeout...
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parents: 4357
diff changeset
153 elif now > self._busy_handler_endtime:
2847
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parents: 2764
diff changeset
154 # timeout expired - no more retries
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parents: 2764
diff changeset
155 return 0
fddbbeb581bc sqlite_busy_timeout is not supported in pysqlite 1.1 (SQLite 3.x).
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parents: 2764
diff changeset
156 # sleep adaptively as retry count grows,
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parents: 2764
diff changeset
157 # starting from about half a second
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parents: 2764
diff changeset
158 time_to_sleep = 0.01 * (2 << min(5, count))
fddbbeb581bc sqlite_busy_timeout is not supported in pysqlite 1.1 (SQLite 3.x).
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2764
diff changeset
159 time.sleep(time_to_sleep)
fddbbeb581bc sqlite_busy_timeout is not supported in pysqlite 1.1 (SQLite 3.x).
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2764
diff changeset
160 return 1
fddbbeb581bc sqlite_busy_timeout is not supported in pysqlite 1.1 (SQLite 3.x).
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2764
diff changeset
161
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parents: 6599
diff changeset
162 def sql_open_connection(self, dbname=None):
4076
59d02edfaa9c Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 3858
diff changeset
163 """Open a standard, non-autocommitting connection.
2374
31cb1014300c Switch to using sqlite's own locking mechanisms...
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parents: 2273
diff changeset
164
31cb1014300c Switch to using sqlite's own locking mechanisms...
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parents: 2273
diff changeset
165 pysqlite will automatically BEGIN TRANSACTION for us.
4076
59d02edfaa9c Uniformly use """...""" instead of '''...''' for comments.
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parents: 3858
diff changeset
166 """
2764
d3b3f1b3d59e sqlite database creation requires existing directory.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2736
diff changeset
167 # make sure the database directory exists
d3b3f1b3d59e sqlite database creation requires existing directory.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2736
diff changeset
168 # database itself will be created by sqlite if needed
d3b3f1b3d59e sqlite database creation requires existing directory.
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2736
diff changeset
169 if not os.path.isdir(self.config.DATABASE):
d3b3f1b3d59e sqlite database creation requires existing directory.
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parents: 2736
diff changeset
170 os.makedirs(self.config.DATABASE)
d3b3f1b3d59e sqlite database creation requires existing directory.
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parents: 2736
diff changeset
171
6804
25d08e15e3b4 issue2551224 - Replace dbm db for sessions/otks when using sqlite
John Rouillard <rouilj@ieee.org>
parents: 6599
diff changeset
172 if dbname:
25d08e15e3b4 issue2551224 - Replace dbm db for sessions/otks when using sqlite
John Rouillard <rouilj@ieee.org>
parents: 6599
diff changeset
173 db = os.path.join(self.config.DATABASE, 'db-' + dbname)
25d08e15e3b4 issue2551224 - Replace dbm db for sessions/otks when using sqlite
John Rouillard <rouilj@ieee.org>
parents: 6599
diff changeset
174 else:
25d08e15e3b4 issue2551224 - Replace dbm db for sessions/otks when using sqlite
John Rouillard <rouilj@ieee.org>
parents: 6599
diff changeset
175 db = os.path.join(self.config.DATABASE, 'db')
6050
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parents: 5869
diff changeset
176 logging.getLogger('roundup.hyperdb').info('open database %r' % db)
4415
3e35233ea93c new rdbms config item sqlite_timeout...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4357
diff changeset
177 # set timeout (30 second default is extraordinarily generous)
3e35233ea93c new rdbms config item sqlite_timeout...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4357
diff changeset
178 # for handling locked database
3728
b476fef16ccc fixed support for pysqlite2 (version 2.1.0 is the minimum version supported)
Richard Jones <richard@users.sourceforge.net>
parents: 3718
diff changeset
179 if sqlite_version == 1:
3718
0d561b24ceff support sqlite3
Richard Jones <richard@users.sourceforge.net>
parents: 3693
diff changeset
180 conn = sqlite.connect(db=db)
0d561b24ceff support sqlite3
Richard Jones <richard@users.sourceforge.net>
parents: 3693
diff changeset
181 conn.db.sqlite_busy_handler(self.sqlite_busy_handler)
3728
b476fef16ccc fixed support for pysqlite2 (version 2.1.0 is the minimum version supported)
Richard Jones <richard@users.sourceforge.net>
parents: 3718
diff changeset
182 else:
4415
3e35233ea93c new rdbms config item sqlite_timeout...
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 4357
diff changeset
183 conn = sqlite.connect(db, timeout=self.config.RDBMS_SQLITE_TIMEOUT)
3728
b476fef16ccc fixed support for pysqlite2 (version 2.1.0 is the minimum version supported)
Richard Jones <richard@users.sourceforge.net>
parents: 3718
diff changeset
184 conn.row_factory = sqlite.Row
4091
09e79cbeb827 force sqlite3 in py2.6+ to treat our stored text as UTF-8
Richard Jones <richard@users.sourceforge.net>
parents: 4076
diff changeset
185
4240
289f249ba192 compatibilty fix for pysqlite2 / unicode
Richard Jones <richard@users.sourceforge.net>
parents: 4231
diff changeset
186 # pysqlite2 / sqlite3 want us to store Unicode in the db but
289f249ba192 compatibilty fix for pysqlite2 / unicode
Richard Jones <richard@users.sourceforge.net>
parents: 4231
diff changeset
187 # that's not what's been done historically and it's definitely
289f249ba192 compatibilty fix for pysqlite2 / unicode
Richard Jones <richard@users.sourceforge.net>
parents: 4231
diff changeset
188 # not what the other backends do, so we'll stick with UTF-8
289f249ba192 compatibilty fix for pysqlite2 / unicode
Richard Jones <richard@users.sourceforge.net>
parents: 4231
diff changeset
189 if sqlite_version in (2, 3):
4091
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Richard Jones <richard@users.sourceforge.net>
parents: 4076
diff changeset
190 conn.text_factory = str
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Richard Jones <richard@users.sourceforge.net>
parents: 4076
diff changeset
191
2082
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parents: 2077
diff changeset
192 cursor = conn.cursor()
c091cacdc505 Finished implementation of session and one-time-key stores for RDBMS backends.
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parents: 2077
diff changeset
193 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
194
c091cacdc505 Finished implementation of session and one-time-key stores for RDBMS backends.
Richard Jones <richard@users.sourceforge.net>
parents: 2077
diff changeset
195 def open_connection(self):
1165
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parents:
diff changeset
196 # ensure files are group readable and writable
3609
f2fda3e6fc8b umask is now configurable (with the same 0002 default)
Richard Jones <richard@users.sourceforge.net>
parents: 3347
diff changeset
197 os.umask(self.config.UMASK)
2082
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Richard Jones <richard@users.sourceforge.net>
parents: 2077
diff changeset
198
c091cacdc505 Finished implementation of session and one-time-key stores for RDBMS backends.
Richard Jones <richard@users.sourceforge.net>
parents: 2077
diff changeset
199 (self.conn, self.cursor) = self.sql_open_connection()
c091cacdc505 Finished implementation of session and one-time-key stores for RDBMS backends.
Richard Jones <richard@users.sourceforge.net>
parents: 2077
diff changeset
200
1165
14467c765167 sqlite backend!
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
201 try:
2073
261c2e6ceb1e *** empty log message ***
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
202 self.load_dbschema()
5248
198b6e810c67 Use Python-3-compatible 'as' syntax for except statements
Eric S. Raymond <esr@thyrsus.com>
parents: 5175
diff changeset
203 except sqlite.DatabaseError as error:
1165
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
204 if str(error) != 'no such table: schema':
14467c765167 sqlite backend!
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
205 raise
2075
b1704ba7be41 make mysql / postgresql work again. beginnings of otk/session store in rdbmses
Richard Jones <richard@users.sourceforge.net>
parents: 2073
diff changeset
206 self.init_dbschema()
2514
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Richard Jones <richard@users.sourceforge.net>
parents: 2374
diff changeset
207 self.sql('create table schema (schema varchar)')
091711fb2f8c Initial logging integration: replace all debug prints with logging calls...
Richard Jones <richard@users.sourceforge.net>
parents: 2374
diff changeset
208 self.sql('create table ids (name varchar, num integer)')
091711fb2f8c Initial logging integration: replace all debug prints with logging calls...
Richard Jones <richard@users.sourceforge.net>
parents: 2374
diff changeset
209 self.sql('create index ids_name_idx on ids(name)')
2073
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Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
210 self.create_version_2_tables()
6588
91ab3e0ffcd0 Summary: Add test cases for sqlite fts
John Rouillard <rouilj@ieee.org>
parents: 6050
diff changeset
211 self._add_fts5_table()
6917
fba76e0bba98 set journal mode to wal when creating db.
John Rouillard <rouilj@ieee.org>
parents: 6916
diff changeset
212 # Set journal mode to WAL.
6930
a96a239db0d9 Set all sqlite db's to WAL mode on creation
John Rouillard <rouilj@ieee.org>
parents: 6917
diff changeset
213 self.sql_commit() # close out rollback journal/transaction
a96a239db0d9 Set all sqlite db's to WAL mode on creation
John Rouillard <rouilj@ieee.org>
parents: 6917
diff changeset
214 self.sql('pragma journal_mode=wal') # set wal
a96a239db0d9 Set all sqlite db's to WAL mode on creation
John Rouillard <rouilj@ieee.org>
parents: 6917
diff changeset
215 self.sql_commit() # close out rollback and commit wal change
2073
261c2e6ceb1e *** empty log message ***
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
216
261c2e6ceb1e *** empty log message ***
Richard Jones <richard@users.sourceforge.net>
parents: 2005
diff changeset
217 def create_version_2_tables(self):
2514
091711fb2f8c Initial logging integration: replace all debug prints with logging calls...
Richard Jones <richard@users.sourceforge.net>
parents: 2374
diff changeset
218 self.sql('create table otks (otk_key varchar, '
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
219 'otk_value varchar, otk_time integer)')
2514
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Richard Jones <richard@users.sourceforge.net>
parents: 2374
diff changeset
220 self.sql('create index otks_key_idx on otks(otk_key)')
091711fb2f8c Initial logging integration: replace all debug prints with logging calls...
Richard Jones <richard@users.sourceforge.net>
parents: 2374
diff changeset
221 self.sql('create table sessions (session_key varchar, '
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
222 'session_time integer, session_value varchar)')
2514
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Richard Jones <richard@users.sourceforge.net>
parents: 2374
diff changeset
223 self.sql('create index sessions_key_idx on '
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
224 'sessions(session_key)')
1165
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Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
225
2093
3f6024ab2c7a That's the last of the RDBMS migration steps done! Yay!
Richard Jones <richard@users.sourceforge.net>
parents: 2082
diff changeset
226 # full-text indexing store
2514
091711fb2f8c Initial logging integration: replace all debug prints with logging calls...
Richard Jones <richard@users.sourceforge.net>
parents: 2374
diff changeset
227 self.sql('CREATE TABLE __textids (_class varchar, '
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
228 '_itemid varchar, _prop varchar, _textid'
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
229 ' integer primary key) ')
2514
091711fb2f8c Initial logging integration: replace all debug prints with logging calls...
Richard Jones <richard@users.sourceforge.net>
parents: 2374
diff changeset
230 self.sql('CREATE TABLE __words (_word varchar, '
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
231 '_textid integer)')
2514
091711fb2f8c Initial logging integration: replace all debug prints with logging calls...
Richard Jones <richard@users.sourceforge.net>
parents: 2374
diff changeset
232 self.sql('CREATE INDEX words_word_ids ON __words(_word)')
3858
bb30bbfc7cdd Indexing fixes.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3794
diff changeset
233 self.sql('CREATE INDEX words_by_id ON __words (_textid)')
bb30bbfc7cdd Indexing fixes.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3794
diff changeset
234 self.sql('CREATE UNIQUE INDEX __textids_by_props ON '
bb30bbfc7cdd Indexing fixes.
Ralf Schlatterbeck <schlatterbeck@users.sourceforge.net>
parents: 3794
diff changeset
235 '__textids (_class, _itemid, _prop)')
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
236 sql = 'insert into ids (name, num) values (%s,%s)' % (
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
237 self.arg, self.arg)
2514
091711fb2f8c Initial logging integration: replace all debug prints with logging calls...
Richard Jones <richard@users.sourceforge.net>
parents: 2374
diff changeset
238 self.sql(sql, ('__textids', 1))
2093
3f6024ab2c7a That's the last of the RDBMS migration steps done! Yay!
Richard Jones <richard@users.sourceforge.net>
parents: 2082
diff changeset
239
2217
98d3bf8ffb19 store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2191
diff changeset
240 def add_new_columns_v2(self):
2077
3e0961d6d44d Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents: 2075
diff changeset
241 # update existing tables to have the new actor column
3e0961d6d44d Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents: 2075
diff changeset
242 tables = self.database_schema['tables']
3e0961d6d44d Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents: 2075
diff changeset
243 for classname, spec in self.classes.items():
4357
13b3155869e0 Beginnings of a big code cleanup / modernisation to make 2to3 happy
Richard Jones <richard@users.sourceforge.net>
parents: 4240
diff changeset
244 if classname in tables:
2077
3e0961d6d44d Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents: 2075
diff changeset
245 dbspec = tables[classname]
2217
98d3bf8ffb19 store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2191
diff changeset
246 self.update_class(spec, dbspec, force=1, adding_v2=1)
2137
c49495585c44 Fix for sqlite backend migration. Change Cookie -> SimpleCookie
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
247 # we've updated - don't try again
c49495585c44 Fix for sqlite backend migration. Change Cookie -> SimpleCookie
Richard Jones <richard@users.sourceforge.net>
parents: 2098
diff changeset
248 tables[classname] = spec.schema()
2077
3e0961d6d44d Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents: 2075
diff changeset
249
2721
1cd01cf106e1 extend OTK and session table value cols to TEXT [SF#1031271]
Richard Jones <richard@users.sourceforge.net>
parents: 2645
diff changeset
250 def fix_version_3_tables(self):
1cd01cf106e1 extend OTK and session table value cols to TEXT [SF#1031271]
Richard Jones <richard@users.sourceforge.net>
parents: 2645
diff changeset
251 # NOOP - no restriction on column length here
1cd01cf106e1 extend OTK and session table value cols to TEXT [SF#1031271]
Richard Jones <richard@users.sourceforge.net>
parents: 2645
diff changeset
252 pass
1cd01cf106e1 extend OTK and session table value cols to TEXT [SF#1031271]
Richard Jones <richard@users.sourceforge.net>
parents: 2645
diff changeset
253
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254 def _add_fts5_table(self):
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255 try:
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256 self.sql('CREATE virtual TABLE __fts USING fts5(_class, '
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257 '_itemid, _prop, _textblob)')
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258 except sqlite.OperationalError:
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259 available_options = self.cursor.execute(
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260 'pragma compile_options;').fetchall()
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261 if 'ENABLE_FTS5' in [opt['compile_options'] for opt
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262 in available_options]:
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263 # sqlite supports FTS5 something else has gone wrong
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264 raise
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265 else:
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266 # report a useful error message
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267 raise NotImplementedError(
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268 "This version of SQLite was not built with support "
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269 "for FTS5. SQLite version: %s" % sqlite.sqlite_version)
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270
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271 def fix_version_6_tables(self):
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272 # note sqlite has no limit on column size so v6 fixes
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273 # to __words._word length are not needed.
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274 # Add native full-text indexing table
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275 self._add_fts5_table()
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276
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277 def update_class(self, spec, old_spec, force=0, adding_v2=0):
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278 """ Determine the differences between the current spec and the
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279 database version of the spec, and update where necessary.
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280
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281 If 'force' is true, update the database anyway.
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282
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283 SQLite doesn't have ALTER TABLE, so we have to copy and
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284 regenerate the tables with the new schema.
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285 """
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286 new_spec = spec.schema()
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287 new_spec[1].sort()
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288 old_spec[1].sort()
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289 if not force and new_spec == old_spec:
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290 # no changes
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291 return 0
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292
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293 logging.getLogger('roundup.hyperdb').info(
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294 'update_class %s' % spec.classname)
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295
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296 # detect multilinks that have been removed, and drop their table
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297 old_has = {}
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298 for name, prop in old_spec[1]:
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299 old_has[name] = 1
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300 if name in spec.properties or not \
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301 isinstance(prop, hyperdb.Multilink):
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302 continue
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303 # it's a multilink, and it's been removed - drop the old
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304 # table. First drop indexes.
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305 self.drop_multilink_table_indexes(spec.classname, name)
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306 sql = 'drop table %s_%s' % (spec.classname, prop)
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307 self.sql(sql)
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308
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309 # now figure how we populate the new table
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310 if adding_v2:
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311 fetch = ['_activity', '_creation', '_creator']
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312 else:
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313 fetch = ['_actor', '_activity', '_creation', '_creator']
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314 properties = spec.getprops()
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315 for propname, _x in new_spec[1]:
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316 prop = properties[propname]
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317 if isinstance(prop, hyperdb.Multilink):
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318 if propname not in old_has:
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319 # we need to create the new table
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320 self.create_multilink_table(spec, propname)
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321 elif force:
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322 tn = '%s_%s' % (spec.classname, propname)
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323 # grabe the current values
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324 sql = 'select linkid, nodeid from %s' % tn
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325 self.sql(sql)
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326 rows = self.cursor.fetchall()
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327
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328 # drop the old table
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329 self.drop_multilink_table_indexes(spec.classname, propname)
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330 sql = 'drop table %s' % tn
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331 self.sql(sql)
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332
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333 # re-create and populate the new table
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334 self.create_multilink_table(spec, propname)
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diff changeset
335 sql = """insert into %s (linkid, nodeid) values
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336 (%s, %s)""" % (tn, self.arg, self.arg)
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diff changeset
337 for linkid, nodeid in rows:
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338 self.sql(sql, (int(linkid), int(nodeid)))
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339 elif propname in old_has:
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340 # we copy this col over from the old table
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341 fetch.append('_'+propname)
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342
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diff changeset
343 # select the data out of the old table
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344 fetch.append('id')
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diff changeset
345 fetch.append('__retired__')
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diff changeset
346 fetchcols = ','.join(fetch)
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diff changeset
347 cn = spec.classname
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348 sql = 'select %s from _%s' % (fetchcols, cn)
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diff changeset
349 self.sql(sql)
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diff changeset
350 olddata = self.cursor.fetchall()
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351
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diff changeset
352 # TODO: update all the other index dropping code
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diff changeset
353 self.drop_class_table_indexes(cn, old_spec[0])
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354
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355 # drop the old table
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356 self.sql('drop table _%s' % cn)
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357
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358 # create the new table
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diff changeset
359 self.create_class_table(spec)
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diff changeset
360
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diff changeset
361 if olddata:
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diff changeset
362 inscols = ['id', '_actor', '_activity', '_creation',
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diff changeset
363 '_creator', '__retired__']
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diff changeset
364 for propname, _x in new_spec[1]:
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diff changeset
365 prop = properties[propname]
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366 if isinstance(prop, hyperdb.Multilink):
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367 continue
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368 elif isinstance(prop, hyperdb.Interval):
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369 inscols.append('_'+propname)
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diff changeset
370 inscols.append('__'+propname+'_int__')
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371 elif propname in old_has:
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372 # we copy this col over from the old table
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373 inscols.append('_'+propname)
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374
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375 # do the insert of the old data - the new columns will have
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diff changeset
376 # NULL values
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377 args = ','.join([self.arg for x in inscols])
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diff changeset
378 cols = ','.join(inscols)
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diff changeset
379 sql = 'insert into _%s (%s) values (%s)' % (cn, cols, args)
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diff changeset
380 for entry in olddata:
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diff changeset
381 d = []
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diff changeset
382 retired_id = None
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383 for name in inscols:
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384 # generate the new value for the Interval int column
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diff changeset
385 if name.endswith('_int__'):
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diff changeset
386 name = name[2:-6]
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diff changeset
387 if sqlite_version in (2, 3):
3718
0d561b24ceff support sqlite3
Richard Jones <richard@users.sourceforge.net>
parents: 3693
diff changeset
388 try:
0d561b24ceff support sqlite3
Richard Jones <richard@users.sourceforge.net>
parents: 3693
diff changeset
389 v = hyperdb.Interval(entry[name]).as_seconds()
0d561b24ceff support sqlite3
Richard Jones <richard@users.sourceforge.net>
parents: 3693
diff changeset
390 except IndexError:
0d561b24ceff support sqlite3
Richard Jones <richard@users.sourceforge.net>
parents: 3693
diff changeset
391 v = None
4357
13b3155869e0 Beginnings of a big code cleanup / modernisation to make 2to3 happy
Richard Jones <richard@users.sourceforge.net>
parents: 4240
diff changeset
392 elif name in entry:
2217
98d3bf8ffb19 store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2191
diff changeset
393 v = hyperdb.Interval(entry[name]).as_seconds()
98d3bf8ffb19 store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2191
diff changeset
394 else:
98d3bf8ffb19 store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2191
diff changeset
395 v = None
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
396 elif sqlite_version in (2, 3):
3718
0d561b24ceff support sqlite3
Richard Jones <richard@users.sourceforge.net>
parents: 3693
diff changeset
397 try:
0d561b24ceff support sqlite3
Richard Jones <richard@users.sourceforge.net>
parents: 3693
diff changeset
398 v = entry[name]
0d561b24ceff support sqlite3
Richard Jones <richard@users.sourceforge.net>
parents: 3693
diff changeset
399 except IndexError:
0d561b24ceff support sqlite3
Richard Jones <richard@users.sourceforge.net>
parents: 3693
diff changeset
400 v = None
4357
13b3155869e0 Beginnings of a big code cleanup / modernisation to make 2to3 happy
Richard Jones <richard@users.sourceforge.net>
parents: 4240
diff changeset
401 elif (sqlite_version == 1 and name in entry):
2217
98d3bf8ffb19 store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2191
diff changeset
402 v = entry[name]
98d3bf8ffb19 store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2191
diff changeset
403 else:
98d3bf8ffb19 store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2191
diff changeset
404 v = None
4774
3adff0fb0207 Fixed issue2550595: Allow migrating from roundup 0.x to 1.4
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4421
diff changeset
405 if name == 'id':
3adff0fb0207 Fixed issue2550595: Allow migrating from roundup 0.x to 1.4
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4421
diff changeset
406 retired_id = v
6932
ff7f6c0bbdae flake8 fixes.
John Rouillard <rouilj@ieee.org>
parents: 6930
diff changeset
407 elif (name == '__retired__' and retired_id and
ff7f6c0bbdae flake8 fixes.
John Rouillard <rouilj@ieee.org>
parents: 6930
diff changeset
408 v not in ['0', 0]):
4774
3adff0fb0207 Fixed issue2550595: Allow migrating from roundup 0.x to 1.4
Thomas Arendsen Hein <thomas@intevation.de>
parents: 4421
diff changeset
409 v = retired_id
2217
98d3bf8ffb19 store Intervals as two columns (and other fixes
Richard Jones <richard@users.sourceforge.net>
parents: 2191
diff changeset
410 d.append(v)
2514
091711fb2f8c Initial logging integration: replace all debug prints with logging calls...
Richard Jones <richard@users.sourceforge.net>
parents: 2374
diff changeset
411 self.sql(sql, tuple(d))
2077
3e0961d6d44d Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents: 2075
diff changeset
412
3e0961d6d44d Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents: 2075
diff changeset
413 return 1
3e0961d6d44d Added the "actor" property.
Richard Jones <richard@users.sourceforge.net>
parents: 2075
diff changeset
414
1911
f5c804379c85 fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents: 1906
diff changeset
415 def sql_close(self):
4076
59d02edfaa9c Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 3858
diff changeset
416 """ Squash any error caused by us already having closed the
1236
dd52bf10f934 Bug fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 1195
diff changeset
417 connection.
4076
59d02edfaa9c Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 3858
diff changeset
418 """
1236
dd52bf10f934 Bug fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 1195
diff changeset
419 try:
2374
31cb1014300c Switch to using sqlite's own locking mechanisms...
Richard Jones <richard@users.sourceforge.net>
parents: 2273
diff changeset
420 self.conn.close()
5248
198b6e810c67 Use Python-3-compatible 'as' syntax for except statements
Eric S. Raymond <esr@thyrsus.com>
parents: 5175
diff changeset
421 except sqlite.ProgrammingError as value:
2374
31cb1014300c Switch to using sqlite's own locking mechanisms...
Richard Jones <richard@users.sourceforge.net>
parents: 2273
diff changeset
422 if str(value) != 'close failed - Connection is closed.':
31cb1014300c Switch to using sqlite's own locking mechanisms...
Richard Jones <richard@users.sourceforge.net>
parents: 2273
diff changeset
423 raise
1236
dd52bf10f934 Bug fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 1195
diff changeset
424
1911
f5c804379c85 fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents: 1906
diff changeset
425 def sql_rollback(self):
4076
59d02edfaa9c Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 3858
diff changeset
426 """ Squash any error caused by us having closed the connection (and
1236
dd52bf10f934 Bug fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 1195
diff changeset
427 therefore not having anything to roll back)
4076
59d02edfaa9c Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 3858
diff changeset
428 """
1236
dd52bf10f934 Bug fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 1195
diff changeset
429 try:
dd52bf10f934 Bug fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 1195
diff changeset
430 self.conn.rollback()
5248
198b6e810c67 Use Python-3-compatible 'as' syntax for except statements
Eric S. Raymond <esr@thyrsus.com>
parents: 5175
diff changeset
431 except sqlite.ProgrammingError as value:
1236
dd52bf10f934 Bug fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 1195
diff changeset
432 if str(value) != 'rollback failed - Connection is closed.':
dd52bf10f934 Bug fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 1195
diff changeset
433 raise
dd52bf10f934 Bug fixes.
Richard Jones <richard@users.sourceforge.net>
parents: 1195
diff changeset
434
1165
14467c765167 sqlite backend!
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
435 def __repr__(self):
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
436 return '<roundlite 0x%x>' % id(self)
1165
14467c765167 sqlite backend!
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
437
5319
62de601bdf6f Fix commits although a Reject exception is raised
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5318
diff changeset
438 def sql_commit(self):
4076
59d02edfaa9c Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 3858
diff changeset
439 """ Actually commit to the database.
1165
14467c765167 sqlite backend!
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
440
14467c765167 sqlite backend!
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
441 Ignore errors if there's nothing to commit.
4076
59d02edfaa9c Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 3858
diff changeset
442 """
6916
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
443 def list_dir(dir):
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
444 import os
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
445 files = os.listdir(self.dir)
6932
ff7f6c0bbdae flake8 fixes.
John Rouillard <rouilj@ieee.org>
parents: 6930
diff changeset
446 # ['db-journal', 'files', 'db']
6916
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
447 for entry in [''] + files:
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
448 path = self.dir + '/' + entry
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
449 stat = os.stat(path)
6932
ff7f6c0bbdae flake8 fixes.
John Rouillard <rouilj@ieee.org>
parents: 6930
diff changeset
450 print("file: %s, uid: %s, gid: %s, mode: %o" % (
ff7f6c0bbdae flake8 fixes.
John Rouillard <rouilj@ieee.org>
parents: 6930
diff changeset
451 path, stat.st_uid, stat.st_gid, stat.st_mode))
6916
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
452
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
453 # Getting sqlite3.OperationalError: disk I/O error
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
454 # in CI. It happens intermittently. Try to get more
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
455 # info about what is happening and retry the commit.
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
456 # Some possibilities:
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
457 # -journal file not writable
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
458 # file has disappeared
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
459 #
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
460 # Note after exception self.conn.in_transaction is False
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
461 # but was True before failed commit(). Retry succeeds,
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
462 # but I am not sure it actually does anything.
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
463 # for retry in range(2):
1165
14467c765167 sqlite backend!
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
464 try:
14467c765167 sqlite backend!
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
465 self.conn.commit()
6916
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
466 except sqlite.OperationalError as error:
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
467 if str(error) != 'disk I/O error':
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
468 raise
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
469 list_dir(self.dir)
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
470 raise
5248
198b6e810c67 Use Python-3-compatible 'as' syntax for except statements
Eric S. Raymond <esr@thyrsus.com>
parents: 5175
diff changeset
471 except sqlite.DatabaseError as error:
1165
14467c765167 sqlite backend!
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
472 if str(error) != 'cannot commit - no transaction is active':
14467c765167 sqlite backend!
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
473 raise
6916
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
474 # else:
fad6b3a272cd Add instrumentation to debug I/O error in CI that I don't get locally
John Rouillard <rouilj@ieee.org>
parents: 6820
diff changeset
475 # break # out of loop if no exception
2374
31cb1014300c Switch to using sqlite's own locking mechanisms...
Richard Jones <richard@users.sourceforge.net>
parents: 2273
diff changeset
476 # open a new cursor for subsequent work
31cb1014300c Switch to using sqlite's own locking mechanisms...
Richard Jones <richard@users.sourceforge.net>
parents: 2273
diff changeset
477 self.cursor = self.conn.cursor()
1165
14467c765167 sqlite backend!
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
478
1906
f255363e6d97 PostgreSQL backend lands.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
479 def sql_index_exists(self, table_name, index_name):
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
480 self.sql('pragma index_list(%s)' % table_name)
1906
f255363e6d97 PostgreSQL backend lands.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
481 for entry in self.cursor.fetchall():
f255363e6d97 PostgreSQL backend lands.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
482 if entry[1] == index_name:
f255363e6d97 PostgreSQL backend lands.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
483 return 1
f255363e6d97 PostgreSQL backend lands.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
484 return 0
f255363e6d97 PostgreSQL backend lands.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
485
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2094
diff changeset
486 # old-skool id generation
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2094
diff changeset
487 def newid(self, classname):
4076
59d02edfaa9c Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 3858
diff changeset
488 """ Generate a new id for the given class
59d02edfaa9c Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 3858
diff changeset
489 """
5143
9cebf686c552 issue2550727: db.newid is broken with sqlite.
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
490
9cebf686c552 issue2550727: db.newid is broken with sqlite.
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
491 # Prevent other processes from reading while we increment.
9cebf686c552 issue2550727: db.newid is broken with sqlite.
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
492 # Otherwise multiple processes can end up with the same
9cebf686c552 issue2550727: db.newid is broken with sqlite.
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
493 # new id and hilarity results.
9cebf686c552 issue2550727: db.newid is broken with sqlite.
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
494 #
9cebf686c552 issue2550727: db.newid is broken with sqlite.
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
495 # Defeat pysqlite's attempts to do locking by setting
9cebf686c552 issue2550727: db.newid is broken with sqlite.
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
496 # isolation_level to None. Pysqlite can commit
9cebf686c552 issue2550727: db.newid is broken with sqlite.
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
497 # on it's own even if we don't want it to end the transaction.
9cebf686c552 issue2550727: db.newid is broken with sqlite.
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
498 # If we rewrite to use another sqlite library like apsw we
9cebf686c552 issue2550727: db.newid is broken with sqlite.
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
499 # don't have to deal with this autocommit/autotransact foolishness.
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
500 self.conn.isolation_level = None
5143
9cebf686c552 issue2550727: db.newid is broken with sqlite.
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
501 # Manage the transaction locks manually.
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
502 self.sql("BEGIN IMMEDIATE")
5143
9cebf686c552 issue2550727: db.newid is broken with sqlite.
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
503
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2094
diff changeset
504 # get the next ID
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
505 sql = 'select num from ids where name=%s' % self.arg
2514
091711fb2f8c Initial logging integration: replace all debug prints with logging calls...
Richard Jones <richard@users.sourceforge.net>
parents: 2374
diff changeset
506 self.sql(sql, (classname, ))
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2094
diff changeset
507 newid = int(self.cursor.fetchone()[0])
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2094
diff changeset
508
5143
9cebf686c552 issue2550727: db.newid is broken with sqlite.
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
509 # leave the next larger number as the next newid
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
510 sql = 'update ids set num=num+1 where name=%s' % self.arg
5143
9cebf686c552 issue2550727: db.newid is broken with sqlite.
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
511 vals = (classname,)
2514
091711fb2f8c Initial logging integration: replace all debug prints with logging calls...
Richard Jones <richard@users.sourceforge.net>
parents: 2374
diff changeset
512 self.sql(sql, vals)
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2094
diff changeset
513
5143
9cebf686c552 issue2550727: db.newid is broken with sqlite.
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
514 # reset pysqlite's auto transact stuff to default since the
9cebf686c552 issue2550727: db.newid is broken with sqlite.
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
515 # rest of the code expects it.
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
516 self.conn.isolation_level = ''
5143
9cebf686c552 issue2550727: db.newid is broken with sqlite.
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
517 # commit writing the data, clearing locks for other processes
9cebf686c552 issue2550727: db.newid is broken with sqlite.
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
518 # and create a new cursor to the database.
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
519 self.sql_commit()
5143
9cebf686c552 issue2550727: db.newid is broken with sqlite.
John Rouillard <rouilj@ieee.org>
parents: 5096
diff changeset
520
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2094
diff changeset
521 # return as string
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2094
diff changeset
522 return str(newid)
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2094
diff changeset
523
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2094
diff changeset
524 def setid(self, classname, setid):
4076
59d02edfaa9c Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 3858
diff changeset
525 """ Set the id counter: used during import of database
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2094
diff changeset
526
3306
ae1093684ef5 merge from maint-0-7
Richard Jones <richard@users.sourceforge.net>
parents: 3163
diff changeset
527 We add one to make it behave like the sequences in postgres.
4076
59d02edfaa9c Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 3858
diff changeset
528 """
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
529 sql = 'update ids set num=%s where name=%s' % (self.arg, self.arg)
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2094
diff changeset
530 vals = (int(setid)+1, classname)
2514
091711fb2f8c Initial logging integration: replace all debug prints with logging calls...
Richard Jones <richard@users.sourceforge.net>
parents: 2374
diff changeset
531 self.sql(sql, vals)
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2094
diff changeset
532
3306
ae1093684ef5 merge from maint-0-7
Richard Jones <richard@users.sourceforge.net>
parents: 3163
diff changeset
533 def clear(self):
3310
3518d1ffd940 merge from maint-0-7
Richard Jones <richard@users.sourceforge.net>
parents: 3306
diff changeset
534 rdbms_common.Database.clear(self)
3306
ae1093684ef5 merge from maint-0-7
Richard Jones <richard@users.sourceforge.net>
parents: 3163
diff changeset
535 # set the id counters to 0 (setid adds one) so we start at 1
ae1093684ef5 merge from maint-0-7
Richard Jones <richard@users.sourceforge.net>
parents: 3163
diff changeset
536 for cn in self.classes.keys():
ae1093684ef5 merge from maint-0-7
Richard Jones <richard@users.sourceforge.net>
parents: 3163
diff changeset
537 self.setid(cn, 0)
ae1093684ef5 merge from maint-0-7
Richard Jones <richard@users.sourceforge.net>
parents: 3163
diff changeset
538
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2094
diff changeset
539 def create_class(self, spec):
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2094
diff changeset
540 rdbms_common.Database.create_class(self, spec)
6932
ff7f6c0bbdae flake8 fixes.
John Rouillard <rouilj@ieee.org>
parents: 6930
diff changeset
541 sql = 'insert into ids (name, num) values (%s, %s)' % (
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
542 self.arg, self.arg)
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2094
diff changeset
543 vals = (spec.classname, 1)
2514
091711fb2f8c Initial logging integration: replace all debug prints with logging calls...
Richard Jones <richard@users.sourceforge.net>
parents: 2374
diff changeset
544 self.sql(sql, vals)
2098
18addf2a8596 Implemented proper datatypes in mysql and postgresql backends...
Richard Jones <richard@users.sourceforge.net>
parents: 2094
diff changeset
545
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
546 if sqlite_version in (2, 3):
3718
0d561b24ceff support sqlite3
Richard Jones <richard@users.sourceforge.net>
parents: 3693
diff changeset
547 def load_journal(self, classname, cols, nodeid):
4076
59d02edfaa9c Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 3858
diff changeset
548 """We need to turn the sqlite3.Row into a tuple so it can be
59d02edfaa9c Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 3858
diff changeset
549 unpacked"""
3718
0d561b24ceff support sqlite3
Richard Jones <richard@users.sourceforge.net>
parents: 3693
diff changeset
550 l = rdbms_common.Database.load_journal(self,
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
551 classname, cols, nodeid)
3718
0d561b24ceff support sqlite3
Richard Jones <richard@users.sourceforge.net>
parents: 3693
diff changeset
552 cols = range(5)
0d561b24ceff support sqlite3
Richard Jones <richard@users.sourceforge.net>
parents: 3693
diff changeset
553 return [[row[col] for col in cols] for row in l]
0d561b24ceff support sqlite3
Richard Jones <richard@users.sourceforge.net>
parents: 3693
diff changeset
554
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
555
1911
f5c804379c85 fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents: 1906
diff changeset
556 class sqliteClass:
5869
16e1255b16cf Implement limit and offset for filter
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5867
diff changeset
557 def filter(self, *args, **kw):
4076
59d02edfaa9c Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 3858
diff changeset
558 """ If there's NO matches to a fetch, sqlite returns NULL
1911
f5c804379c85 fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents: 1906
diff changeset
559 instead of nothing
4076
59d02edfaa9c Uniformly use """...""" instead of '''...''' for comments.
Stefan Seefeld <stefan@seefeld.name>
parents: 3858
diff changeset
560 """
5869
16e1255b16cf Implement limit and offset for filter
Ralf Schlatterbeck <rsc@runtux.com>
parents: 5867
diff changeset
561 return [f for f in rdbms_common.Class.filter(self, *args, **kw) if f]
1165
14467c765167 sqlite backend!
Richard Jones <richard@users.sourceforge.net>
parents:
diff changeset
562
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
563
1911
f5c804379c85 fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents: 1906
diff changeset
564 class Class(sqliteClass, rdbms_common.Class):
f5c804379c85 fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents: 1906
diff changeset
565 pass
1168
94620e088e3a fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents: 1165
diff changeset
566
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
567
1911
f5c804379c85 fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents: 1906
diff changeset
568 class IssueClass(sqliteClass, rdbms_common.IssueClass):
f5c804379c85 fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents: 1906
diff changeset
569 pass
1168
94620e088e3a fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents: 1165
diff changeset
570
6050
19a58adf5d1f Flake8: whitepace; don't import base64; unused loop var gets leading _
John Rouillard <rouilj@ieee.org>
parents: 5869
diff changeset
571
1911
f5c804379c85 fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents: 1906
diff changeset
572 class FileClass(sqliteClass, rdbms_common.FileClass):
f5c804379c85 fixed ZRoundup - mostly changes to classic template
Richard Jones <richard@users.sourceforge.net>
parents: 1906
diff changeset
573 pass
1168
94620e088e3a fixes to the rdbms backends
Richard Jones <richard@users.sourceforge.net>
parents: 1165
diff changeset
574
2645
8250c63c3963 remove space at EOL, add vim modeline
Alexander Smishlajev <a1s@users.sourceforge.net>
parents: 2633
diff changeset
575 # vim: set et sts=4 sw=4 :
Roundup Issue Tracker: http://roundup-tracker.org/