PHP Schema::getSequences方法代码示例

 /**
  * Returns a SchemaDiff object containing the differences between the schemas $fromSchema and $toSchema.
  *
  * The returned differences are returned in such a way that they contain the
  * operations to change the schema stored in $fromSchema to the schema that is
  * stored in $toSchema.
  *
  * @param \Doctrine\DBAL\Schema\Schema $fromSchema
  * @param \Doctrine\DBAL\Schema\Schema $toSchema
  *
  * @return \Doctrine\DBAL\Schema\SchemaDiff
  */
 public function compare(Schema $fromSchema, Schema $toSchema)
 {
     $diff = new SchemaDiff();
     $diff->fromSchema = $fromSchema;
     $foreignKeysToTable = array();
     foreach ($toSchema->getNamespaces() as $namespace) {
         if (!$fromSchema->hasNamespace($namespace)) {
             $diff->newNamespaces[$namespace] = $namespace;
         }
     }
     foreach ($fromSchema->getNamespaces() as $namespace) {
         if (!$toSchema->hasNamespace($namespace)) {
             $diff->removedNamespaces[$namespace] = $namespace;
         }
     }
     foreach ($toSchema->getTables() as $table) {
         $tableName = $table->getShortestName($toSchema->getName());
         if (!$fromSchema->hasTable($tableName)) {
             $diff->newTables[$tableName] = $toSchema->getTable($tableName);
         } else {
             $tableDifferences = $this->diffTable($fromSchema->getTable($tableName), $toSchema->getTable($tableName));
             if ($tableDifferences !== false) {
                 $diff->changedTables[$tableName] = $tableDifferences;
             }
         }
     }
     /* Check if there are tables removed */
     foreach ($fromSchema->getTables() as $table) {
         $tableName = $table->getShortestName($fromSchema->getName());
         $table = $fromSchema->getTable($tableName);
         if (!$toSchema->hasTable($tableName)) {
             $diff->removedTables[$tableName] = $table;
         }
         // also remember all foreign keys that point to a specific table
         foreach ($table->getForeignKeys() as $foreignKey) {
             $foreignTable = strtolower($foreignKey->getForeignTableName());
             if (!isset($foreignKeysToTable[$foreignTable])) {
                 $foreignKeysToTable[$foreignTable] = array();
             }
             $foreignKeysToTable[$foreignTable][] = $foreignKey;
         }
     }
     foreach ($diff->removedTables as $tableName => $table) {
         if (isset($foreignKeysToTable[$tableName])) {
             $diff->orphanedForeignKeys = array_merge($diff->orphanedForeignKeys, $foreignKeysToTable[$tableName]);
             // deleting duplicated foreign keys present on both on the orphanedForeignKey
             // and the removedForeignKeys from changedTables
             foreach ($foreignKeysToTable[$tableName] as $foreignKey) {
                 // strtolower the table name to make if compatible with getShortestName
                 $localTableName = strtolower($foreignKey->getLocalTableName());
                 if (isset($diff->changedTables[$localTableName])) {
                     foreach ($diff->changedTables[$localTableName]->removedForeignKeys as $key => $removedForeignKey) {
                         # BUG-1481
                         if ($removedForeignKey->getLocalTableName() == $tableName) {
                             unset($diff->changedTables[$localTableName]->removedForeignKeys[$key]);
                         }
                     }
                 }
             }
         }
     }
     foreach ($toSchema->getSequences() as $sequence) {
         $sequenceName = $sequence->getShortestName($toSchema->getName());
         if (!$fromSchema->hasSequence($sequenceName)) {
             if (!$this->isAutoIncrementSequenceInSchema($fromSchema, $sequence)) {
                 $diff->newSequences[] = $sequence;
             }
         } else {
             if ($this->diffSequence($sequence, $fromSchema->getSequence($sequenceName))) {
                 $diff->changedSequences[] = $toSchema->getSequence($sequenceName);
             }
         }
     }
     foreach ($fromSchema->getSequences() as $sequence) {
         if ($this->isAutoIncrementSequenceInSchema($toSchema, $sequence)) {
             continue;
         }
         $sequenceName = $sequence->getShortestName($fromSchema->getName());
         if (!$toSchema->hasSequence($sequenceName)) {
             $diff->removedSequences[] = $sequence;
         }
     }
     return $diff;
 }

 /**
  * {@inheritdoc}
  */
 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 testCreateSequence()
 {
     $schema = new Schema();
     $sequence = $schema->createSequence('a_seq', 10, 20);
     $this->assertEquals('a_seq', $sequence->getName());
     $this->assertEquals(10, $sequence->getAllocationSize());
     $this->assertEquals(20, $sequence->getInitialValue());
     $this->assertTrue($schema->hasSequence("a_seq"));
     $this->assertInstanceOf('Doctrine\\DBAL\\Schema\\Sequence', $schema->getSequence("a_seq"));
     $sequences = $schema->getSequences();
     $this->assertArrayHasKey('public.a_seq', $sequences);
 }