Classes/Console/Database/Schema/SchemaUpdate.php
public function migrate(array $statements, array $selectedStatements)
    {
        return $this->schemaMigrator->migrate($this->sqlReader->getCreateTableStatementArray($this->sqlReader->getTablesDefinitionString()), $selectedStatements);
    }
public function migrate(array $statements, array $selectedStatements)
    {
        return $this->schemaMigrator->migrate($this->sqlReader->getCreateTableStatementArray($this->sqlReader->getTablesDefinitionString()), $selectedStatements);
    }
Actually execute the migration to the new schema

@param array $statements
@param array $selectedStatements
@return array