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- <?php
- namespace Doctrine\DBAL\Schema\Synchronizer;
- use Doctrine\DBAL\Connection;
- use Doctrine\DBAL\Schema\Schema;
- use Doctrine\DBAL\Schema\Comparator;
- use Doctrine\DBAL\Schema\Visitor\DropSchemaSqlCollector;
- class SingleDatabaseSynchronizer extends AbstractSchemaSynchronizer
- {
-
- private $platform;
-
- public function __construct(Connection $conn)
- {
- parent::__construct($conn);
- $this->platform = $conn->getDatabasePlatform();
- }
-
- public function getCreateSchema(Schema $createSchema)
- {
- return $createSchema->toSql($this->platform);
- }
-
- public function getUpdateSchema(Schema $toSchema, $noDrops = false)
- {
- $comparator = new Comparator();
- $sm = $this->conn->getSchemaManager();
- $fromSchema = $sm->createSchema();
- $schemaDiff = $comparator->compare($fromSchema, $toSchema);
- if ($noDrops) {
- return $schemaDiff->toSaveSql($this->platform);
- }
- return $schemaDiff->toSql($this->platform);
- }
-
- public function getDropSchema(Schema $dropSchema)
- {
- $visitor = new DropSchemaSqlCollector($this->platform);
- $sm = $this->conn->getSchemaManager();
- $fullSchema = $sm->createSchema();
- foreach ($fullSchema->getTables() as $table) {
- if ( $dropSchema->hasTable($table->getName())) {
- $visitor->acceptTable($table);
- }
- foreach ($table->getForeignKeys() as $foreignKey) {
- if ( ! $dropSchema->hasTable($table->getName())) {
- continue;
- }
- if ( ! $dropSchema->hasTable($foreignKey->getForeignTableName())) {
- continue;
- }
- $visitor->acceptForeignKey($table, $foreignKey);
- }
- }
- if ( ! $this->platform->supportsSequences()) {
- return $visitor->getQueries();
- }
- foreach ($dropSchema->getSequences() as $sequence) {
- $visitor->acceptSequence($sequence);
- }
- foreach ($dropSchema->getTables() as $table) {
- if ( ! $table->hasPrimaryKey()) {
- continue;
- }
- $columns = $table->getPrimaryKey()->getColumns();
- if (count($columns) > 1) {
- continue;
- }
- $checkSequence = $table->getName() . "_" . $columns[0] . "_seq";
- if ($fullSchema->hasSequence($checkSequence)) {
- $visitor->acceptSequence($fullSchema->getSequence($checkSequence));
- }
- }
- return $visitor->getQueries();
- }
-
- public function getDropAllSchema()
- {
- $sm = $this->conn->getSchemaManager();
- $visitor = new DropSchemaSqlCollector($this->platform);
-
- $schema = $sm->createSchema();
- $schema->visit($visitor);
- return $visitor->getQueries();
- }
-
- public function createSchema(Schema $createSchema)
- {
- $this->processSql($this->getCreateSchema($createSchema));
- }
-
- public function updateSchema(Schema $toSchema, $noDrops = false)
- {
- $this->processSql($this->getUpdateSchema($toSchema, $noDrops));
- }
-
- public function dropSchema(Schema $dropSchema)
- {
- $this->processSqlSafely($this->getDropSchema($dropSchema));
- }
-
- public function dropAllSchema()
- {
- $this->processSql($this->getDropAllSchema());
- }
- }
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