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Added a migration to start from an empty DB.

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This commit is contained in:
Jan Böhmer 2019-09-02 17:30:14 +02:00
parent de6df395f4
commit 0ff9e3813a
2 changed files with 222 additions and 1 deletions
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13
src/Migrations/Version20190902140506.php
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@ -4,6 +4,7 @@ declare(strict_types=1);
namespace DoctrineMigrations;
use Doctrine\DBAL\DBALException;
use Doctrine\DBAL\Schema\Schema;
use Doctrine\Migrations\AbstractMigration;
@ -14,7 +15,7 @@ final class Version20190902140506 extends AbstractMigration
{
public function getDescription() : string
{
return '';
return 'Upgrade database from old Part-DB 0.5 Version (dbVersion 26)';
}
public function up(Schema $schema) : void
@ -22,6 +23,16 @@ final class Version20190902140506 extends AbstractMigration
// this up() migration is auto-generated, please modify it to your needs
$this->abortIf($this->connection->getDatabasePlatform()->getName() !== 'mysql', 'Migration can only be executed safely on \'mysql\'.');
try {
//Check if we can use this migration method:
$version = (int)$this->connection->fetchColumn("SELECT keyValue AS version FROM `internal` WHERE `keyName` = 'dbVersion'");
$this->abortIf($version !== 26, "This database migration can only be used if the database version is 26! Install Part-DB 0.5.6 and update database there!");
} catch (DBALException $ex) {
//when the table was not found, then you can not use this migration
$this->skipIf(true, "Empty database detected. Skip migration.");
}
//Deactive SQL Modes (especially NO_ZERO_DATE, which prevents updating)
$this->addSql("SET sql_mode = ''");