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<?php |
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use Phinx\Db\Adapter\MysqlAdapter; |
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use Phinx\Migration\AbstractMigration; |
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class MigrateDatalistsToConfig extends AbstractMigration { |
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/** |
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* Validates that there are no duplicate names in datalist and config tables |
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* |
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* @throws InstallationException |
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*/ |
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public function validate() { |
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$prefix = $this->getAdapter()->getOption('table_prefix'); |
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$duplicates = $this->fetchAll(" |
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SELECT name |
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FROM {$prefix}datalists |
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WHERE name IN (SELECT name FROM {$prefix}config) |
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AND name NOT IN ('processed_upgrades', 'version') |
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"); |
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if (!empty($duplicates)) { |
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$duplicates_array = []; |
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foreach ($duplicates as $duplicate) { |
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$duplicates_array[] = $duplicate['name']; |
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} |
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$duplicates = implode(', ', $duplicates_array); |
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throw new InstallationException("Found names ({$duplicates}) in datalist that also exist in config. Don't know how to merge."); |
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} |
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} |
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/** |
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* Migrates legacy 2.x datalists values to config table |
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*/ |
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public function up() { |
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if (!$this->hasTable('datalists') || !$this->hasTable('config')) { |
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return; |
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} |
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$prefix = $this->getAdapter()->getOption('table_prefix'); |
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$rows = $this->fetchAll(" |
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SELECT * FROM {$prefix}datalists |
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WHERE name NOT IN ('processed_upgrades', 'version') |
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"); |
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foreach ($rows as $row) { |
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$this->insert('config', [ |
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'name' => $row['name'], |
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'value' => serialize($row['value']), |
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]); |
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} |
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// all data migrated, so drop the table |
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$this->dropTable('datalists'); |
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} |
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/** |
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* Recreate datalists table |
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* |
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* @warning Note that the datalists values will not be populated back into the table |
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* There is no way of telling which config values have come from datalists table |
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* |
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* CREATE TABLE `prefix_datalists` ( |
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* `name` varchar(255) NOT NULL, |
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* `value` text NOT NULL, |
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* PRIMARY KEY (`name`) |
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* ) ENGINE=MyISAM DEFAULT CHARSET=utf8; |
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*/ |
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public function down() { |
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if ($this->hasTable("datalists")) { |
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return; |
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} |
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$table = $this->table("datalists", [ |
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'id' => false, |
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'primary_key' => ["name"], |
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'engine' => "MyISAM", |
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'encoding' => "utf8", |
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'collation' => "utf8_general_ci", |
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]); |
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$table->addColumn('name', 'string', [ |
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'null' => false, |
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'limit' => MysqlAdapter::TEXT_SMALL, |
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]); |
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$table->addColumn('value', 'text', [ |
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'null' => false, |
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'limit' => MysqlAdapter::TEXT_REGULAR, |
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]); |
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$table->save(); |
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} |
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} |
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Elgg /
Elgg
