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annotate roundup/backends/back_mysql.py @ 1935:b4e670840963

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author Johannes Gijsbers <jlgijsbers@users.sourceforge.net>
date Fri, 21 Nov 2003 21:41:19 +0000
parents d929c31a3620
children 910b39f8c5b8
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1 #
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2 # Copyright (c) 2003 Martynas Sklyzmantas, Andrey Lebedev <andrey@micro.lt>
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3 #
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4 # This module is free software, and you may redistribute it and/or modify
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5 # under the same terms as Python, so long as this copyright message and
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6 # disclaimer are retained in their original form.
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7 #
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8 # Mysql backend for roundup
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9 #
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10
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11 from roundup.backends.rdbms_common import *
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12 from roundup.backends import rdbms_common
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13 import MySQLdb
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14 import os, shutil
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15 from MySQLdb.constants import ER
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16
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17 # Database maintenance functions
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18 def db_nuke(config):
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19 """Clear all database contents and drop database itself"""
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20 db = Database(config, 'admin')
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21 try:
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22 db.sql_commit()
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23 db.sql("DROP DATABASE %s" % config.MYSQL_DBNAME)
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24 db.sql("CREATE DATABASE %s" % config.MYSQL_DBNAME)
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25 finally:
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26 db.close()
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27 if os.path.exists(config.DATABASE):
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28 shutil.rmtree(config.DATABASE)
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29
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30 def db_exists(config):
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31 """Check if database already exists"""
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32 # Yes, this is a hack, but we must must open connection without
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33 # selecting a database to prevent creation of some tables
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34 config.MYSQL_DATABASE = (config.MYSQL_DBHOST, config.MYSQL_DBUSER,
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35 config.MYSQL_DBPASSWORD)
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36 db = Database(config, 'admin')
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37 try:
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38 db.conn.select_db(config.MYSQL_DBNAME)
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39 config.MYSQL_DATABASE = (config.MYSQL_DBHOST, config.MYSQL_DBUSER,
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40 config.MYSQL_DBPASSWORD, config.MYSQL_DBNAME)
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41 db.sql("SHOW TABLES")
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42 tables = db.sql_fetchall()
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43 finally:
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44 db.close()
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45 if tables or os.path.exists(config.DATABASE):
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46 return 1
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47 return 0
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48
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49 class Database(Database):
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50 arg = '%s'
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51
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52 # Backend for MySQL to use.
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53 # InnoDB is faster, but if you're running <4.0.16 then you'll need to
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54 # use BDB to pass all unit tests.
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55 mysql_backend = 'InnoDB'
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56 #mysql_backend = 'BDB'
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57
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58 def sql_open_connection(self):
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59 db = getattr(self.config, 'MYSQL_DATABASE')
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60 try:
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61 self.conn = MySQLdb.connect(*db)
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62 except MySQLdb.OperationalError, message:
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63 raise DatabaseError, message
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64
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65 self.cursor = self.conn.cursor()
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66 # start transaction
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67 self.sql("SET AUTOCOMMIT=0")
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68 self.sql("BEGIN")
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69 try:
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70 self.database_schema = self.load_dbschema()
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71 except MySQLdb.OperationalError, message:
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72 if message[0] != ER.NO_DB_ERROR:
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73 raise
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74 except MySQLdb.ProgrammingError, message:
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75 if message[0] != ER.NO_SUCH_TABLE:
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76 raise DatabaseError, message
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77 self.database_schema = {}
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78 self.sql("CREATE TABLE schema (schema TEXT) TYPE=%s"%
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79 self.mysql_backend)
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80 # TODO: use AUTO_INCREMENT for generating ids:
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81 # http://www.mysql.com/doc/en/CREATE_TABLE.html
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82 self.sql("CREATE TABLE ids (name varchar(255), num INT) TYPE=%s"%
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83 self.mysql_backend)
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84 self.sql("CREATE INDEX ids_name_idx on ids(name)")
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85
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86 def __repr__(self):
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87 return '<myroundsql 0x%x>'%id(self)
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88
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89 def sql_fetchone(self):
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90 return self.cursor.fetchone()
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91
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92 def sql_fetchall(self):
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93 return self.cursor.fetchall()
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94
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95 def sql_index_exists(self, table_name, index_name):
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96 self.cursor.execute('show index from %s'%table_name)
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97 for index in self.cursor.fetchall():
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98 if index[2] == index_name:
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99 return 1
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100 return 0
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101
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102 def save_dbschema(self, schema):
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103 s = repr(self.database_schema)
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104 self.sql('INSERT INTO schema VALUES (%s)', (s,))
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105
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106 def load_dbschema(self):
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107 self.cursor.execute('SELECT schema FROM schema')
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108 schema = self.cursor.fetchone()
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109 if schema:
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110 return eval(schema[0])
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111 return None
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112
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113 def save_journal(self, classname, cols, nodeid, journaldate,
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114 journaltag, action, params):
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115 params = repr(params)
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116 entry = (nodeid, journaldate, journaltag, action, params)
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117
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118 a = self.arg
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119 sql = 'insert into %s__journal (%s) values (%s,%s,%s,%s,%s)'%(classname,
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120 cols, a, a, a, a, a)
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121 if __debug__:
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122 print >>hyperdb.DEBUG, 'addjournal', (self, sql, entry)
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123 self.cursor.execute(sql, entry)
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124
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125 def load_journal(self, classname, cols, nodeid):
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126 sql = 'select %s from %s__journal where nodeid=%s'%(cols, classname,
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127 self.arg)
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128 if __debug__:
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129 print >>hyperdb.DEBUG, 'getjournal', (self, sql, nodeid)
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130 self.cursor.execute(sql, (nodeid,))
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131 res = []
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132 for nodeid, date_stamp, user, action, params in self.cursor.fetchall():
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133 params = eval(params)
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134 res.append((nodeid, date.Date(date_stamp), user, action, params))
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135 return res
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136
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137 def create_class_table(self, spec):
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138 cols, mls = self.determine_columns(spec.properties.items())
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139 cols.append('id')
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140 cols.append('__retired__')
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141 scols = ',' . join(['`%s` VARCHAR(255)'%x for x in cols])
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142 sql = 'CREATE TABLE `_%s` (%s) TYPE=%s'%(spec.classname, scols,
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143 self.mysql_backend)
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144 if __debug__:
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145 print >>hyperdb.DEBUG, 'create_class', (self, sql)
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146 self.cursor.execute(sql)
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147 self.create_class_table_indexes(spec)
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148 return cols, mls
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149
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150 def drop_class_table_indexes(self, cn, key):
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151 # drop the old table indexes first
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152 l = ['_%s_id_idx'%cn, '_%s_retired_idx'%cn]
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153 if key:
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154 l.append('_%s_%s_idx'%(cn, key))
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155
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156 table_name = '_%s'%cn
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157 for index_name in l:
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158 if not self.sql_index_exists(table_name, index_name):
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159 continue
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160 index_sql = 'drop index %s on %s'%(index_name, table_name)
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161 if __debug__:
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162 print >>hyperdb.DEBUG, 'drop_index', (self, index_sql)
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163 self.cursor.execute(index_sql)
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164
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165 def create_journal_table(self, spec):
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166 cols = ',' . join(['`%s` VARCHAR(255)'%x
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167 for x in 'nodeid date tag action params' . split()])
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168 sql = 'CREATE TABLE `%s__journal` (%s) TYPE=%s'%(spec.classname,
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169 cols, self.mysql_backend)
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170 if __debug__:
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171 print >>hyperdb.DEBUG, 'create_class', (self, sql)
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172 self.cursor.execute(sql)
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173 self.create_journal_table_indexes(spec)
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174
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175 def drop_journal_table_indexes(self, classname):
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176 index_name = '%s_journ_idx'%classname
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177 if not self.sql_index_exists('%s__journal'%classname, index_name):
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178 return
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179 index_sql = 'drop index %s on %s__journal'%(index_name, classname)
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180 if __debug__:
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181 print >>hyperdb.DEBUG, 'drop_index', (self, index_sql)
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182 self.cursor.execute(index_sql)
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183
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184 def create_multilink_table(self, spec, ml):
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185 sql = '''CREATE TABLE `%s_%s` (linkid VARCHAR(255),
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186 nodeid VARCHAR(255)) TYPE=%s'''%(spec.classname, ml,
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187 self.mysql_backend)
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188 if __debug__:
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189 print >>hyperdb.DEBUG, 'create_class', (self, sql)
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190 self.cursor.execute(sql)
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191 self.create_multilink_table_indexes(spec, ml)
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192
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193 def drop_multilink_table_indexes(self, classname, ml):
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194 l = [
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195 '%s_%s_l_idx'%(classname, ml),
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196 '%s_%s_n_idx'%(classname, ml)
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197 ]
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198 for index_name in l:
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199 if not self.sql_index_exists(table_name, index_name):
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200 continue
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201 index_sql = 'drop index %s on %s'%(index_name, table_name)
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202 if __debug__:
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203 print >>hyperdb.DEBUG, 'drop_index', (self, index_sql)
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204 self.cursor.execute(index_sql)
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205
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206 class MysqlClass:
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207 # we're overriding this method for ONE missing bit of functionality.
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208 # look for "I can't believe it's not a toy RDBMS" below
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209 def filter(self, search_matches, filterspec, sort=(None,None),
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210 group=(None,None)):
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211 ''' Return a list of the ids of the active nodes in this class that
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212 match the 'filter' spec, sorted by the group spec and then the
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213 sort spec
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214
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215 "filterspec" is {propname: value(s)}
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216 "sort" and "group" are (dir, prop) where dir is '+', '-' or None
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217 and prop is a prop name or None
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218 "search_matches" is {nodeid: marker}
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219
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220 The filter must match all properties specificed - but if the
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221 property value to match is a list, any one of the values in the
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222 list may match for that property to match.
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223 '''
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224 # just don't bother if the full-text search matched diddly
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225 if search_matches == {}:
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226 return []
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227
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228 cn = self.classname
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229
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230 timezone = self.db.getUserTimezone()
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231
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232 # figure the WHERE clause from the filterspec
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233 props = self.getprops()
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234 frum = ['_'+cn]
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235 where = []
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236 args = []
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237 a = self.db.arg
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238 for k, v in filterspec.items():
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239 propclass = props[k]
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240 # now do other where clause stuff
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241 if isinstance(propclass, Multilink):
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242 tn = '%s_%s'%(cn, k)
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243 if v in ('-1', ['-1']):
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244 # only match rows that have count(linkid)=0 in the
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245 # corresponding multilink table)
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246
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247 # "I can't believe it's not a toy RDBMS"
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248 # see, even toy RDBMSes like gadfly and sqlite can do
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249 # sub-selects...
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250 self.db.sql('select nodeid from %s'%tn)
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251 s = ','.join([x[0] for x in self.db.sql_fetchall()])
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252
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253 where.append('id not in (%s)'%s)
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254 elif isinstance(v, type([])):
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255 frum.append(tn)
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256 s = ','.join([a for x in v])
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257 where.append('id=%s.nodeid and %s.linkid in (%s)'%(tn,tn,s))
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258 args = args + v
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259 else:
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260 frum.append(tn)
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261 where.append('id=%s.nodeid and %s.linkid=%s'%(tn, tn, a))
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262 args.append(v)
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263 elif k == 'id':
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264 if isinstance(v, type([])):
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265 s = ','.join([a for x in v])
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266 where.append('%s in (%s)'%(k, s))
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267 args = args + v
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268 else:
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269 where.append('%s=%s'%(k, a))
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270 args.append(v)
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271 elif isinstance(propclass, String):
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272 if not isinstance(v, type([])):
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273 v = [v]
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274
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275 # Quote the bits in the string that need it and then embed
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276 # in a "substring" search. Note - need to quote the '%' so
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277 # they make it through the python layer happily
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278 v = ['%%'+self.db.sql_stringquote(s)+'%%' for s in v]
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279
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diff changeset
280 # now add to the where clause
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281 where.append(' or '.join(["_%s LIKE '%s'"%(k, s) for s in v]))
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diff changeset
282 # note: args are embedded in the query string now
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283 elif isinstance(propclass, Link):
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diff changeset
284 if isinstance(v, type([])):
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diff changeset
285 if '-1' in v:
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diff changeset
286 v = v[:]
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diff changeset
287 v.remove('-1')
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288 xtra = ' or _%s is NULL'%k
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289 else:
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290 xtra = ''
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diff changeset
291 if v:
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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292 s = ','.join([a for x in v])
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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293 where.append('(_%s in (%s)%s)'%(k, s, xtra))
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294 args = args + v
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295 else:
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
296 where.append('_%s is NULL'%k)
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
297 else:
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
298 if v == '-1':
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
299 v = None
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
300 where.append('_%s is NULL'%k)
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diff changeset
301 else:
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
302 where.append('_%s=%s'%(k, a))
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diff changeset
303 args.append(v)
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
304 elif isinstance(propclass, Date):
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
305 if isinstance(v, type([])):
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
306 s = ','.join([a for x in v])
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
307 where.append('_%s in (%s)'%(k, s))
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
308 args = args + [date.Date(x).serialise() for x in v]
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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309 else:
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
310 try:
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
311 # Try to filter on range of dates
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
312 date_rng = Range(v, date.Date, offset=timezone)
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
313 if (date_rng.from_value):
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
314 where.append('_%s >= %s'%(k, a))
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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315 args.append(date_rng.from_value.serialise())
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diff changeset
316 if (date_rng.to_value):
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
317 where.append('_%s <= %s'%(k, a))
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318 args.append(date_rng.to_value.serialise())
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319 except ValueError:
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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320 # If range creation fails - ignore that search parameter
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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321 pass
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
322 elif isinstance(propclass, Interval):
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
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diff changeset
323 if isinstance(v, type([])):
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
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diff changeset
324 s = ','.join([a for x in v])
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
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diff changeset
325 where.append('_%s in (%s)'%(k, s))
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
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diff changeset
326 args = args + [date.Interval(x).serialise() for x in v]
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
327 else:
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
328 try:
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
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diff changeset
329 # Try to filter on range of intervals
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
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diff changeset
330 date_rng = Range(v, date.Interval)
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
331 if (date_rng.from_value):
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
332 where.append('_%s >= %s'%(k, a))
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
333 args.append(date_rng.from_value.serialise())
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
334 if (date_rng.to_value):
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
335 where.append('_%s <= %s'%(k, a))
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
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diff changeset
336 args.append(date_rng.to_value.serialise())
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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parents: 1836
diff changeset
337 except ValueError:
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
338 # If range creation fails - ignore that search parameter
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
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diff changeset
339 pass
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
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diff changeset
340 #where.append('_%s=%s'%(k, a))
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
341 #args.append(date.Interval(v).serialise())
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342 else:
1839
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
343 if isinstance(v, type([])):
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
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diff changeset
344 s = ','.join([a for x in v])
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
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diff changeset
345 where.append('_%s in (%s)'%(k, s))
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
346 args = args + v
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
347 else:
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
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diff changeset
348 where.append('_%s=%s'%(k, a))
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
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diff changeset
349 args.append(v)
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
350
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
351 # don't match retired nodes
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
352 where.append('__retired__ <> 1')
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
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diff changeset
353
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
354 # add results of full text search
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
355 if search_matches is not None:
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
356 v = search_matches.keys()
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
357 s = ','.join([a for x in v])
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
358 where.append('id in (%s)'%s)
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
359 args = args + v
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
360
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
361 # "grouping" is just the first-order sorting in the SQL fetch
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
362 # can modify it...)
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
363 orderby = []
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
364 ordercols = []
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
365 if group[0] is not None and group[1] is not None:
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
366 if group[0] != '-':
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
367 orderby.append('_'+group[1])
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
368 ordercols.append('_'+group[1])
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
369 else:
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
370 orderby.append('_'+group[1]+' desc')
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
371 ordercols.append('_'+group[1])
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
372
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
373 # now add in the sorting
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
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diff changeset
374 group = ''
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
375 if sort[0] is not None and sort[1] is not None:
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
376 direction, colname = sort
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
377 if direction != '-':
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
378 if colname == 'id':
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
379 orderby.append(colname)
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
380 else:
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
381 orderby.append('_'+colname)
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
382 ordercols.append('_'+colname)
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
383 else:
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
384 if colname == 'id':
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
385 orderby.append(colname+' desc')
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
386 ordercols.append(colname)
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
387 else:
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
388 orderby.append('_'+colname+' desc')
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
389 ordercols.append('_'+colname)
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
390
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
391 # construct the SQL
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
392 frum = ','.join(frum)
1415
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diff changeset
393 if where:
1839
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
394 where = ' where ' + (' and '.join(where))
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
395 else:
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
396 where = ''
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
397 cols = ['id']
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
398 if orderby:
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
399 cols = cols + ordercols
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
400 order = ' order by %s'%(','.join(orderby))
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
401 else:
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
402 order = ''
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
403 cols = ','.join(cols)
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
404 sql = 'select %s from %s %s%s%s'%(cols, frum, where, group, order)
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
405 args = tuple(args)
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
406 if __debug__:
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
407 print >>hyperdb.DEBUG, 'filter', (self, sql, args)
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
408 self.db.cursor.execute(sql, args)
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
409 l = self.db.cursor.fetchall()
1415
6883852e9b15 mysql backend passes all tests (at last!)
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1375
diff changeset
410
1839
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
411 # return the IDs (the first column)
06f5b36b201b Fix a couple of failures in mysql backend unit tests.
Richard Jones <richard@users.sourceforge.net>
parents: 1836
diff changeset
412 return [row[0] for row in l]
1415
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parents: 1375
diff changeset
413
6883852e9b15 mysql backend passes all tests (at last!)
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1375
diff changeset
414 class Class(MysqlClass, rdbms_common.Class):
6883852e9b15 mysql backend passes all tests (at last!)
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1375
diff changeset
415 pass
6883852e9b15 mysql backend passes all tests (at last!)
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parents: 1375
diff changeset
416 class IssueClass(MysqlClass, rdbms_common.IssueClass):
6883852e9b15 mysql backend passes all tests (at last!)
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parents: 1375
diff changeset
417 pass
6883852e9b15 mysql backend passes all tests (at last!)
Andrey Lebedev <kedder@users.sourceforge.net>
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diff changeset
418 class FileClass(MysqlClass, rdbms_common.FileClass):
6883852e9b15 mysql backend passes all tests (at last!)
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parents: 1375
diff changeset
419 pass
6883852e9b15 mysql backend passes all tests (at last!)
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parents: 1375
diff changeset
420
1434
b953750bdc04 trackers on mysql can be initialised
Andrey Lebedev <kedder@users.sourceforge.net>
parents: 1433
diff changeset
421 #vim: set et
Roundup Issue Tracker: http://roundup-tracker.org/