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| 1 : | sh002i | 775 | ################################################################################ |
| 2 : | # WeBWorK mod_perl (c) 2000-2002 WeBWorK Project | ||
| 3 : | # $Id$ | ||
| 4 : | ################################################################################ | ||
| 5 : | |||
| 6 : | package WeBWorK::DB; | ||
| 7 : | |||
| 8 : | =head1 NAME | ||
| 9 : | |||
| 10 : | sh002i | 956 | WeBWorK::DB - interface with the WeBWorK databases. |
| 11 : | sh002i | 775 | |
| 12 : | sh002i | 956 | =head1 DESCRIPTION |
| 13 : | |||
| 14 : | WeBWorK::DB provides a consistent interface to a number of database backends. | ||
| 15 : | Access and modification functions are provided for each logical table used by | ||
| 16 : | the webwork system. The particular backend ("schema" and "driver"), record | ||
| 17 : | class, data source, and additional parameters are specified by the %dbLayout | ||
| 18 : | hash in the course environment. | ||
| 19 : | |||
| 20 : | =head1 ARCHITECTURE | ||
| 21 : | |||
| 22 : | The new database system uses a three-tier architecture to insulate each layer | ||
| 23 : | from the adjacent layers. | ||
| 24 : | |||
| 25 : | =head2 Top Layer: DB | ||
| 26 : | |||
| 27 : | The top layer of the architecture is the DB module. It provides the methods | ||
| 28 : | listed below, and uses schema modules (via tables) to implement those methods. | ||
| 29 : | |||
| 30 : | / list* exists* add* get* put* delete* \ <- api | ||
| 31 : | +------------------------------------------------------------------+ | ||
| 32 : | | DB | | ||
| 33 : | +------------------------------------------------------------------+ | ||
| 34 : | \ password permission key user set set_user problem problem_user / <- tables | ||
| 35 : | |||
| 36 : | =head2 Middle Layer: Schemas | ||
| 37 : | |||
| 38 : | The middle layer of the architecture is provided by one or more schema modules. | ||
| 39 : | They are called "schema" modules because they control the structure of the data | ||
| 40 : | for a table. This includes odd things like the way multiple tables are encoded | ||
| 41 : | in a single hash in the WWHash schema, and the encoding scheme used. | ||
| 42 : | |||
| 43 : | The schema modules provide an API that matches the requirements of the DB | ||
| 44 : | layer, on a per-table basis. Each schema module has a style that determines | ||
| 45 : | which drivers it can interface with. For example, WW1Hash is a "hash" style | ||
| 46 : | schema. SQL is a "dbi" style schema. | ||
| 47 : | |||
| 48 : | =head3 Examples | ||
| 49 : | |||
| 50 : | Both WeBWorK 1.x and 2.x courses use: | ||
| 51 : | |||
| 52 : | / password permission key \ / user \ <- tables provided | ||
| 53 : | +-----------------------------+ +----------------+ | ||
| 54 : | | Auth1Hash | | Classlist1Hash | | ||
| 55 : | +-----------------------------+ +----------------+ | ||
| 56 : | \ hash / \ hash / <- driver style required | ||
| 57 : | |||
| 58 : | WeBWorK 1.x courses also use: | ||
| 59 : | |||
| 60 : | / set_user problem_user \ / set problem \ | ||
| 61 : | +-------------------------+ +---------------------+ | ||
| 62 : | | WW1Hash | | GlobalTableEmulator | | ||
| 63 : | +-------------------------+ +---------------------+ | ||
| 64 : | \ hash / \ null / | ||
| 65 : | |||
| 66 : | The GlobalTableEmulator schema emulates the global set and problem tables using | ||
| 67 : | data from the set_user and problem_user tables. | ||
| 68 : | |||
| 69 : | WeBWorK 2.x courses also use: | ||
| 70 : | |||
| 71 : | / set set_user problem problem_user \ | ||
| 72 : | +-------------------------------------+ | ||
| 73 : | | WW2Hash | | ||
| 74 : | +-------------------------------------+ | ||
| 75 : | \ hash / | ||
| 76 : | |||
| 77 : | =head2 Bottom Layer: Drivers | ||
| 78 : | |||
| 79 : | Driver modules implement a style for a schema. They provide physical access to | ||
| 80 : | a data source containing the data for a table. The style of a driver determines | ||
| 81 : | what methods it provides. All drivers provide connect(MODE) and disconnect() | ||
| 82 : | methods. A hash style driver provides a hash() method which returns the tied | ||
| 83 : | hash. A dbi style driver provides a handle() method which returns the DBI | ||
| 84 : | handle. | ||
| 85 : | |||
| 86 : | =head3 Examples | ||
| 87 : | |||
| 88 : | / hash \ / hash \ / hash \ <- style | ||
| 89 : | +--------+ +--------+ +--------+ | ||
| 90 : | | DB | | GDBM | | DB3 | | ||
| 91 : | +--------+ +--------+ +--------+ | ||
| 92 : | |||
| 93 : | / dbi \ / ldap \ | ||
| 94 : | +-------+ +--------+ | ||
| 95 : | | SQL | | LDAP | | ||
| 96 : | +-------+ +--------+ | ||
| 97 : | |||
| 98 : | sh002i | 775 | =cut |
| 99 : | |||
| 100 : | use strict; | ||
| 101 : | use warnings; | ||
| 102 : | sh002i | 904 | use Data::Dumper; |
| 103 : | sh002i | 775 | use WeBWorK::Utils qw(runtime_use); |
| 104 : | |||
| 105 : | sh002i | 798 | use constant TABLES => qw(password permission key user set set_user problem problem_user); |
| 106 : | sh002i | 775 | |
| 107 : | ################################################################################ | ||
| 108 : | # constructor | ||
| 109 : | ################################################################################ | ||
| 110 : | |||
| 111 : | sh002i | 956 | =head1 CONSTRUCTOR |
| 112 : | =over | ||
| 113 : | =item new (ENVIRONMENT) | ||
| 114 : | |||
| 115 : | The C<new> method creates a DB object and brings up the underlying schema/driver | ||
| 116 : | structure according to the C<%dbLayout> hash in the ENVIRONMENT. Environment is | ||
| 117 : | a C<WeBWorK::CourseEnvironment> object. | ||
| 118 : | |||
| 119 : | =cut | ||
| 120 : | |||
| 121 : | sh002i | 775 | sub new($$) { |
| 122 : | sh002i | 814 | my ($invocant, $ce) = @_; |
| 123 : | sh002i | 775 | my $class = ref($invocant) || $invocant; |
| 124 : | sh002i | 798 | my $self = {}; |
| 125 : | sh002i | 931 | bless $self, $class; # bless this here so we can pass it to the schema |
| 126 : | sh002i | 775 | |
| 127 : | # load the modules required to handle each table, and create driver | ||
| 128 : | foreach my $table (TABLES) { | ||
| 129 : | sh002i | 798 | unless (defined $ce->{dbLayout}->{$table}) { |
| 130 : | sh002i | 931 | warn "ignoring table $table: layout not specified in dbLayout"; # *** |
| 131 : | sh002i | 798 | next; |
| 132 : | } | ||
| 133 : | sh002i | 775 | |
| 134 : | my $layout = $ce->{dbLayout}->{$table}; | ||
| 135 : | sh002i | 798 | my $record = $layout->{record}; |
| 136 : | sh002i | 775 | my $schema = $layout->{schema}; |
| 137 : | my $driver = $layout->{driver}; | ||
| 138 : | my $source = $layout->{source}; | ||
| 139 : | sh002i | 808 | my $params = $layout->{params}; |
| 140 : | sh002i | 775 | |
| 141 : | sh002i | 798 | runtime_use($record); |
| 142 : | runtime_use($schema); | ||
| 143 : | runtime_use($driver); | ||
| 144 : | sh002i | 931 | $self->{$table} = $schema->new( |
| 145 : | $self, | ||
| 146 : | $driver->new($source, $params), | ||
| 147 : | $table, | ||
| 148 : | $record, | ||
| 149 : | $params | ||
| 150 : | ); | ||
| 151 : | sh002i | 775 | } |
| 152 : | |||
| 153 : | return $self; | ||
| 154 : | } | ||
| 155 : | |||
| 156 : | ################################################################################ | ||
| 157 : | # password functions | ||
| 158 : | ################################################################################ | ||
| 159 : | |||
| 160 : | sub listPasswords($) { | ||
| 161 : | my ($self) = @_; | ||
| 162 : | sh002i | 808 | return map { $_->[0] } |
| 163 : | $self->{password}->list(undef); | ||
| 164 : | sh002i | 775 | } |
| 165 : | |||
| 166 : | sh002i | 808 | sub addPassword($$) { |
| 167 : | sh002i | 775 | my ($self, $Password) = @_; |
| 168 : | sh002i | 808 | die "addPassword failed: user ", $Password->user_id, " does not exist.\n" |
| 169 : | sh002i | 775 | unless $self->{user}->exists($Password->user_id); |
| 170 : | return $self->{password}->add($Password); | ||
| 171 : | } | ||
| 172 : | |||
| 173 : | sub getPassword($$) { | ||
| 174 : | my ($self, $userID) = @_; | ||
| 175 : | return $self->{password}->get($userID); | ||
| 176 : | } | ||
| 177 : | |||
| 178 : | sub putPassword($$) { | ||
| 179 : | my ($self, $Password) = @_; | ||
| 180 : | return $self->{password}->put($Password); | ||
| 181 : | } | ||
| 182 : | |||
| 183 : | sub deletePassword($$) { | ||
| 184 : | my ($self, $userID) = @_; | ||
| 185 : | return $self->{password}->delete($userID); | ||
| 186 : | } | ||
| 187 : | |||
| 188 : | ################################################################################ | ||
| 189 : | # permission functions | ||
| 190 : | ################################################################################ | ||
| 191 : | |||
| 192 : | sub listPermissionLevels($) { | ||
| 193 : | my ($self) = @_; | ||
| 194 : | sh002i | 808 | return map { $_->[0] } |
| 195 : | $self->{permission}->list(undef); | ||
| 196 : | sh002i | 775 | } |
| 197 : | |||
| 198 : | sh002i | 808 | sub addPermissionLevel($$) { |
| 199 : | sh002i | 775 | my ($self, $PermissionLevel) = @_; |
| 200 : | sh002i | 808 | die "addPermissionLevel failed: user ", $PermissionLevel->user_id, " does not exist.\n" |
| 201 : | sh002i | 775 | unless $self->{user}->exists($PermissionLevel->user_id); |
| 202 : | return $self->{permission}->add($PermissionLevel); | ||
| 203 : | } | ||
| 204 : | |||
| 205 : | sub getPermissionLevel($$) { | ||
| 206 : | my ($self, $userID) = @_; | ||
| 207 : | return $self->{permission}->get($userID); | ||
| 208 : | } | ||
| 209 : | |||
| 210 : | sub putPermissionLevel($$) { | ||
| 211 : | my ($self, $PermissionLevel) = @_; | ||
| 212 : | return $self->{permission}->put($PermissionLevel); | ||
| 213 : | } | ||
| 214 : | |||
| 215 : | sub deletePermissionLevel($$) { | ||
| 216 : | my ($self, $userID) = @_; | ||
| 217 : | return $self->{permission}->delete($userID); | ||
| 218 : | } | ||
| 219 : | |||
| 220 : | ################################################################################ | ||
| 221 : | # key functions | ||
| 222 : | ################################################################################ | ||
| 223 : | |||
| 224 : | sub listKeys($) { | ||
| 225 : | my ($self) = @_; | ||
| 226 : | sh002i | 808 | return map { $_->[0] } |
| 227 : | $self->{key}->list(undef); | ||
| 228 : | sh002i | 775 | } |
| 229 : | |||
| 230 : | sh002i | 808 | sub addKey($$) { |
| 231 : | sh002i | 775 | my ($self, $Key) = @_; |
| 232 : | sh002i | 808 | die "addKey failed: user ", $Key->user_id, " does not exist.\n" |
| 233 : | sh002i | 775 | unless $self->{user}->exists($Key->user_id); |
| 234 : | return $self->{key}->add($Key); | ||
| 235 : | } | ||
| 236 : | |||
| 237 : | sub getKey($$) { | ||
| 238 : | my ($self, $userID) = @_; | ||
| 239 : | return $self->{key}->get($userID); | ||
| 240 : | } | ||
| 241 : | |||
| 242 : | sub putKey($$) { | ||
| 243 : | my ($self, $Key) = @_; | ||
| 244 : | return $self->{key}->put($Key); | ||
| 245 : | } | ||
| 246 : | |||
| 247 : | sub deleteKey($$) { | ||
| 248 : | my ($self, $userID) = @_; | ||
| 249 : | return $self->{key}->delete($userID); | ||
| 250 : | } | ||
| 251 : | |||
| 252 : | ################################################################################ | ||
| 253 : | # user functions | ||
| 254 : | ################################################################################ | ||
| 255 : | |||
| 256 : | sub listUsers($) { | ||
| 257 : | my ($self) = @_; | ||
| 258 : | sh002i | 808 | return map { $_->[0] } |
| 259 : | $self->{user}->list(undef); | ||
| 260 : | sh002i | 775 | } |
| 261 : | |||
| 262 : | sh002i | 808 | sub addUser($$) { |
| 263 : | sh002i | 775 | my ($self, $User) = @_; |
| 264 : | return $self->{user}->add($User); | ||
| 265 : | } | ||
| 266 : | |||
| 267 : | sub getUser($$) { | ||
| 268 : | my ($self, $userID) = @_; | ||
| 269 : | return $self->{user}->get($userID); | ||
| 270 : | } | ||
| 271 : | |||
| 272 : | sub putUser($$) { | ||
| 273 : | my ($self, $User) = @_; | ||
| 274 : | return $self->{user}->put($User); | ||
| 275 : | } | ||
| 276 : | |||
| 277 : | sub deleteUser($$) { | ||
| 278 : | my ($self, $userID) = @_; | ||
| 279 : | $self->deletePassword($userID); | ||
| 280 : | $self->deletePermissionLevel($userID); | ||
| 281 : | $self->deleteKey($userID); | ||
| 282 : | $self->deleteUserSet($userID, $_) | ||
| 283 : | foreach $self->listUsers(); | ||
| 284 : | return $self->{user}->delete($userID); | ||
| 285 : | } | ||
| 286 : | |||
| 287 : | ################################################################################ | ||
| 288 : | # set functions | ||
| 289 : | ################################################################################ | ||
| 290 : | |||
| 291 : | sub listGlobalSets($) { | ||
| 292 : | my ($self) = @_; | ||
| 293 : | sh002i | 808 | return map { $_->[0] } |
| 294 : | $self->{set}->list(undef); | ||
| 295 : | sh002i | 775 | } |
| 296 : | |||
| 297 : | sh002i | 808 | sub addGlobalSet($$) { |
| 298 : | sh002i | 775 | my ($self, $GlobalSet) = @_; |
| 299 : | return $self->{set}->add($GlobalSet); | ||
| 300 : | } | ||
| 301 : | |||
| 302 : | sub getGlobalSet($$) { | ||
| 303 : | my ($self, $setID) = @_; | ||
| 304 : | return $self->{set}->get($setID); | ||
| 305 : | } | ||
| 306 : | |||
| 307 : | sub putGlobalSet($$) { | ||
| 308 : | my ($self, $GlobalSet) = @_; | ||
| 309 : | return $self->{set}->put($GlobalSet); | ||
| 310 : | } | ||
| 311 : | |||
| 312 : | sub deleteGlobalSet($$) { | ||
| 313 : | my ($self, $setID) = @_; | ||
| 314 : | $self->deleteGlobalProblem($setID, $_) | ||
| 315 : | foreach $self->listGlobalProblems($setID); | ||
| 316 : | $self->deleteUserSet($_, $setID) | ||
| 317 : | foreach $self->listUsers(); | ||
| 318 : | return $self->{set}->delete($setID); | ||
| 319 : | } | ||
| 320 : | |||
| 321 : | ################################################################################ | ||
| 322 : | # set_user functions | ||
| 323 : | ################################################################################ | ||
| 324 : | |||
| 325 : | sh002i | 909 | sub listSetUsers($$) { |
| 326 : | my ($self, $setID) = @_; | ||
| 327 : | return map { $_->[0] } # extract user_id | ||
| 328 : | $self->{set_user}->list(undef, $setID); | ||
| 329 : | } | ||
| 330 : | |||
| 331 : | sub listUserSets($$) { | ||
| 332 : | sh002i | 775 | my ($self, $userID) = @_; |
| 333 : | sh002i | 808 | return map { $_->[1] } # extract set_id |
| 334 : | $self->{set_user}->list($userID, undef); | ||
| 335 : | sh002i | 775 | } |
| 336 : | |||
| 337 : | sh002i | 808 | sub addUserSet($$) { |
| 338 : | sh002i | 775 | my ($self, $UserSet) = @_; |
| 339 : | sh002i | 808 | die "addUserSet failed: user ", $UserSet->user_id, " does not exist.\n" |
| 340 : | sh002i | 775 | unless $self->{user}->exists($UserSet->user_id); |
| 341 : | sh002i | 808 | die "addUserSet failed: set ", $UserSet->set_id, " does not exist.\n" |
| 342 : | sh002i | 775 | unless $self->{set}->exists($UserSet->set_id); |
| 343 : | return $self->{set_user}->add($UserSet); | ||
| 344 : | } | ||
| 345 : | |||
| 346 : | sh002i | 909 | sub getUserSet($$$) { |
| 347 : | sh002i | 775 | my ($self, $userID, $setID) = @_; |
| 348 : | return $self->{set_user}->get($userID, $setID); | ||
| 349 : | } | ||
| 350 : | |||
| 351 : | sub putUserSet($$) { | ||
| 352 : | my ($self, $UserSet) = @_; | ||
| 353 : | return $self->{set_user}->put($UserSet); | ||
| 354 : | } | ||
| 355 : | |||
| 356 : | sh002i | 909 | sub deleteUserSet($$$) { |
| 357 : | sh002i | 775 | my ($self, $userID, $setID) = @_; |
| 358 : | $self->deleteUserProblem($userID, $setID, $_) | ||
| 359 : | foreach $self->listUserProblems($userID, $setID); | ||
| 360 : | return $self->{set_user}->delete($userID, $setID); | ||
| 361 : | } | ||
| 362 : | |||
| 363 : | ################################################################################ | ||
| 364 : | # problem functions | ||
| 365 : | ################################################################################ | ||
| 366 : | |||
| 367 : | sub listGlobalProblems($$) { | ||
| 368 : | my ($self, $setID) = @_; | ||
| 369 : | return map { $_->[1] } | ||
| 370 : | sh002i | 953 | #grep { $_->[0] eq $setID } |
| 371 : | $self->{problem}->list($setID, undef); | ||
| 372 : | sh002i | 775 | } |
| 373 : | |||
| 374 : | sh002i | 808 | sub addGlobalProblem($$) { |
| 375 : | sh002i | 775 | my ($self, $GlobalProblem) = @_; |
| 376 : | sh002i | 808 | die "addGlobalProblem failed: set ", $GlobalProblem->set_id, " does not exist.\n" |
| 377 : | sh002i | 775 | unless $self->{set}->exists($GlobalProblem->set_id); |
| 378 : | return $self->{problem}->add($GlobalProblem); | ||
| 379 : | } | ||
| 380 : | |||
| 381 : | sub getGlobalProblem($$$) { | ||
| 382 : | my ($self, $setID, $problemID) = @_; | ||
| 383 : | sh002i | 916 | return $self->{problem}->get($setID, $problemID); |
| 384 : | sh002i | 775 | } |
| 385 : | |||
| 386 : | sub putGlobalProblem($$) { | ||
| 387 : | my ($self, $GlobalProblem) = @_; | ||
| 388 : | return $self->{problem}->put($GlobalProblem); | ||
| 389 : | } | ||
| 390 : | |||
| 391 : | sub deleteGlobalProblem($$$) { | ||
| 392 : | my ($self, $setID, $problemID) = @_; | ||
| 393 : | $self->deleteUserProblem($_, $setID, $problemID) | ||
| 394 : | foreach $self->listUsers(); | ||
| 395 : | return $self->{problem}->delete($setID, $problemID); | ||
| 396 : | } | ||
| 397 : | |||
| 398 : | ################################################################################ | ||
| 399 : | # problem_user functions | ||
| 400 : | ################################################################################ | ||
| 401 : | |||
| 402 : | sh002i | 923 | sub listProblemUsers($$$) { |
| 403 : | my ($self, $setID, $problemID) = @_; | ||
| 404 : | return map { $_->[0] } # extract user_id | ||
| 405 : | $self->{problem_user}->list(undef, $setID, $problemID); | ||
| 406 : | } | ||
| 407 : | |||
| 408 : | sh002i | 775 | sub listUserProblems($$$) { |
| 409 : | my ($self, $userID, $setID) = @_; | ||
| 410 : | sh002i | 923 | return map { $_->[2] } # extract problem_id |
| 411 : | sh002i | 808 | $self->{problem_user}->list($userID, $setID, undef); |
| 412 : | sh002i | 775 | } |
| 413 : | |||
| 414 : | sh002i | 808 | sub addUserProblem($$) { |
| 415 : | sh002i | 775 | my ($self, $UserProblem) = @_; |
| 416 : | sh002i | 808 | die "addUserProblem failed: user set ", $UserProblem->set_id, " does not exist.\n" |
| 417 : | unless $self->{set_user}->exists($UserProblem->user_id, $UserProblem->set_id); | ||
| 418 : | die "addUserProblem failed: problem ", $UserProblem->problem_id, " does not exist.\n" | ||
| 419 : | sh002i | 914 | unless $self->{problem}->exists($UserProblem->set_id, $UserProblem->problem_id); |
| 420 : | sh002i | 775 | return $self->{problem_user}->add($UserProblem); |
| 421 : | } | ||
| 422 : | |||
| 423 : | sh002i | 798 | sub getUserProblem($$$$) { |
| 424 : | sh002i | 775 | my ($self, $userID, $setID, $problemID) = @_; |
| 425 : | return $self->{problem_user}->get($userID, $setID, $problemID); | ||
| 426 : | } | ||
| 427 : | |||
| 428 : | sub putUserProblem($$) { | ||
| 429 : | my ($self, $UserProblem) = @_; | ||
| 430 : | return $self->{problem_user}->put($UserProblem); | ||
| 431 : | } | ||
| 432 : | |||
| 433 : | sh002i | 798 | sub deleteUserProblem($$$$) { |
| 434 : | sh002i | 775 | my ($self, $userID, $setID, $problemID) = @_; |
| 435 : | return $self->{problem_user}->delete($userID, $setID, $problemID); | ||
| 436 : | } | ||
| 437 : | |||
| 438 : | ################################################################################ | ||
| 439 : | # set+set_user functions | ||
| 440 : | ################################################################################ | ||
| 441 : | |||
| 442 : | sh002i | 798 | sub getGlobalUserSet($$$) { |
| 443 : | my ($self, $userID, $setID) = @_; | ||
| 444 : | sh002i | 814 | my $UserSet = $self->getUserSet($userID, $setID); |
| 445 : | return unless $UserSet; | ||
| 446 : | my $GlobalSet = $self->getGlobalSet($setID); | ||
| 447 : | if ($GlobalSet) { | ||
| 448 : | foreach ($UserSet->FIELDS()) { | ||
| 449 : | next unless $GlobalSet->can($_); | ||
| 450 : | next if $UserSet->$_(); | ||
| 451 : | $UserSet->$_($GlobalSet->$_()); | ||
| 452 : | } | ||
| 453 : | } | ||
| 454 : | return $UserSet; | ||
| 455 : | sh002i | 798 | } |
| 456 : | sh002i | 775 | |
| 457 : | ################################################################################ | ||
| 458 : | # problem+problem_user functions | ||
| 459 : | ################################################################################ | ||
| 460 : | |||
| 461 : | sh002i | 798 | sub getGlobalUserProblem($$$$) { |
| 462 : | my ($self, $userID, $setID, $problemID) = @_; | ||
| 463 : | sh002i | 814 | my $UserProblem = $self->getUserProblem($userID, $setID, $problemID); |
| 464 : | return unless $UserProblem; | ||
| 465 : | my $GlobalProblem = $self->getGlobalProblem($setID, $problemID); | ||
| 466 : | if ($GlobalProblem) { | ||
| 467 : | foreach ($UserProblem->FIELDS()) { | ||
| 468 : | next unless $GlobalProblem->can($_); | ||
| 469 : | next if $UserProblem->$_(); | ||
| 470 : | $UserProblem->$_($GlobalProblem->$_()); | ||
| 471 : | } | ||
| 472 : | } | ||
| 473 : | return $UserProblem; | ||
| 474 : | sh002i | 798 | } |
| 475 : | sh002i | 775 | |
| 476 : | sh002i | 808 | ################################################################################ |
| 477 : | # debugging | ||
| 478 : | ################################################################################ | ||
| 479 : | |||
| 480 : | sub dumpDB($$) { | ||
| 481 : | my ($self, $table) = @_; | ||
| 482 : | return $self->{$table}->dumpDB(); | ||
| 483 : | } | ||
| 484 : | |||
| 485 : | sh002i | 775 | 1; |
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