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-rw-r--r--contrib/lua-torch/nn/ConcatTable.lua118
1 files changed, 118 insertions, 0 deletions
diff --git a/contrib/lua-torch/nn/ConcatTable.lua b/contrib/lua-torch/nn/ConcatTable.lua
new file mode 100644
index 000000000..742719344
--- /dev/null
+++ b/contrib/lua-torch/nn/ConcatTable.lua
@@ -0,0 +1,118 @@
+local ConcatTable, parent = torch.class('nn.ConcatTable', 'nn.Container')
+
+function ConcatTable:__init()
+ parent.__init(self)
+ self.modules = {}
+ self.output = {}
+end
+
+function ConcatTable:updateOutput(input)
+ for i=1,#self.modules do
+ self.output[i] = self:rethrowErrors(self.modules[i], i, 'updateOutput', input)
+ end
+ return self.output
+end
+
+local function retable(t1, t2, f)
+ for k, v in ipairs(t2) do
+ if (torch.type(v) == "table") then
+ t1[k] = retable(t1[k] or {}, t2[k], f)
+ else
+ f(t1, k, v)
+ end
+ end
+ for i=#t2+1, #t1 do
+ t1[i] = nil
+ end
+ return t1
+end
+
+local function backward(self, method, input, gradOutput, scale)
+ local isTable = torch.type(input) == 'table'
+ local wasTable = torch.type(self.gradInput) == 'table'
+ if isTable then
+ for i,module in ipairs(self.modules) do
+ local currentGradInput = self:rethrowErrors(module, i, method, input, gradOutput[i], scale)
+ if torch.type(currentGradInput) ~= 'table' then
+ error"currentGradInput is not a table!"
+ end
+ if #input ~= #currentGradInput then
+ error("table size mismatch: "..#input.." ~= "..#currentGradInput)
+ end
+ if i == 1 then
+ self.gradInput = wasTable and self.gradInput or {}
+ retable(self.gradInput, currentGradInput,
+ function(t, k, v)
+ t[k] = t[k] or v:clone()
+ t[k]:resize(v:size())
+ t[k]:copy(v)
+ end
+ )
+ else
+ retable(self.gradInput, currentGradInput,
+ function(t, k, v)
+ if t[k] then
+ t[k]:add(v)
+ else
+ t[k] = v:clone()
+ end
+ end
+ )
+ end
+ end
+ else
+ self.gradInput = (not wasTable) and self.gradInput or input:clone()
+ for i,module in ipairs(self.modules) do
+ local currentGradInput = self:rethrowErrors(module, i, method, input, gradOutput[i], scale)
+ if i == 1 then
+ self.gradInput:resize(currentGradInput:size()):copy(currentGradInput)
+ else
+ self.gradInput:add(currentGradInput)
+ end
+ end
+ end
+ return self.gradInput
+end
+
+function ConcatTable:updateGradInput(input, gradOutput)
+ return backward(self, 'updateGradInput', input, gradOutput)
+end
+
+function ConcatTable:backward(input, gradOutput, scale)
+ return backward(self, 'backward', input, gradOutput, scale)
+end
+
+function ConcatTable:accGradParameters(input, gradOutput, scale)
+ scale = scale or 1
+ for i,module in ipairs(self.modules) do
+ self:rethrowErrors(module, i, 'accGradParameters', input, gradOutput[i], scale)
+ end
+end
+
+function ConcatTable:accUpdateGradParameters(input, gradOutput, lr)
+ for i,module in ipairs(self.modules) do
+ self:rethrowErrors(module, i, 'accUpdateGradParameters', input, gradOutput[i], lr)
+ end
+end
+
+function ConcatTable:__tostring__()
+ local tab = ' '
+ local line = '\n'
+ local next = ' |`-> '
+ local lastNext = ' `-> '
+ local ext = ' | '
+ local extlast = ' '
+ local last = ' ... -> '
+ local str = torch.type(self)
+ str = str .. ' {' .. line .. tab .. 'input'
+ for i=1,#self.modules do
+ if i == #self.modules then
+ str = str .. line .. tab .. lastNext .. '(' .. i .. '): ' .. tostring(self.modules[i]):gsub(line, line .. tab .. extlast)
+ else
+ str = str .. line .. tab .. next .. '(' .. i .. '): ' .. tostring(self.modules[i]):gsub(line, line .. tab .. ext)
+ end
+ end
+ str = str .. line .. tab .. last .. 'output'
+ str = str .. line .. '}'
+ return str
+end
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path: root/core/Command/Db/AddMissingColumns.php
blob: 5794b95b76f86dccb41110cbab5039b0a03f3491 (plain)
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<?php

declare(strict_types=1);

/**
 * @copyright Copyright (c) 2020 Joas Schilling <coding@schilljs.com>
 *
 * @author Joas Schilling <coding@schilljs.com>
 *
 * @license GNU AGPL version 3 or any later version
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 *
 */

namespace OC\Core\Command\Db;

use OC\DB\SchemaWrapper;
use OCP\IDBConnection;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
use Symfony\Component\EventDispatcher\EventDispatcherInterface;
use Symfony\Component\EventDispatcher\GenericEvent;

/**
 * Class AddMissingColumns
 *
 * if you added a new lazy column to the database, this is the right place to add
 * your update routine for existing instances
 *
 * @package OC\Core\Command\Db
 */
class AddMissingColumns extends Command {

	/** @var IDBConnection */
	private $connection;

	/** @var EventDispatcherInterface */
	private $dispatcher;

	public function __construct(IDBConnection $connection, EventDispatcherInterface $dispatcher) {
		parent::__construct();

		$this->connection = $connection;
		$this->dispatcher = $dispatcher;
	}

	protected function configure() {
		$this
			->setName('db:add-missing-columns')
			->setDescription('Add missing optional columns to the database tables');
	}

	protected function execute(InputInterface $input, OutputInterface $output) {
		$this->addCoreColumns($output);

		// Dispatch event so apps can also update columns if needed
		$event = new GenericEvent($output);
		$this->dispatcher->dispatch(IDBConnection::ADD_MISSING_COLUMNS_EVENT, $event);
	}

	/**
	 * add missing indices to the share table
	 *
	 * @param OutputInterface $output
	 * @throws \Doctrine\DBAL\Schema\SchemaException
	 */
	private function addCoreColumns(OutputInterface $output) {
		$output->writeln('<info>Check columns of the comments table.</info>');

		$schema = new SchemaWrapper($this->connection);
		$updated = false;

		if ($schema->hasTable('comments')) {
			$table = $schema->getTable('comments');
			if (!$table->hasColumn('reference_id')) {
				$output->writeln('<info>Adding additional reference_id column to the comments table, this can take some time...</info>');
				$table->addColumn('reference_id', 'string', [
					'notnull' => false,
					'length' => 64,
				]);
				$this->connection->migrateToSchema($schema->getWrappedSchema());
				$updated = true;
				$output->writeln('<info>Comments table updated successfully.</info>');
			}
		}

		if (!$updated) {
			$output->writeln('<info>Done.</info>');
		}
	}
}