Final Class Yiisoft\Db\Pgsql\Connection

                public function createCommand(?string $sql = null, array $params = []): PdoCommandInterface
{
    $command = new Command($this);
    if ($sql !== null) {
        $command->setSql($sql);
    }
    if ($this->logger !== null) {
        $command->setLogger($this->logger);
    }
    if ($this->profiler !== null) {
        $command->setProfiler($this->profiler);
    }
    return $command->bindValues($params);
}

            

                public function createTransaction(): TransactionInterface
{
    return new Transaction($this);
}

            

                public function getColumnBuilderClass(): string
{
    return ColumnBuilder::class;
}

            

                public function getColumnFactory(): ColumnFactoryInterface
{
    return $this->columnFactory ??= new ColumnFactory();
}

            

                public function getLastInsertId(?string $sequenceName = null): string
{
    if ($sequenceName === null) {
        throw new InvalidArgumentException('PostgreSQL not support lastInsertId without sequence name.');
    }
    return parent::getLastInsertId($sequenceName);
}

            

                public function getQueryBuilder(): QueryBuilderInterface
{
    return $this->queryBuilder ??= new QueryBuilder($this);
}

            

                public function getQuoter(): QuoterInterface
{
    return $this->quoter ??= new Quoter('"', '"', $this->getTablePrefix());
}

            

                public function getSchema(): SchemaInterface
{
    return $this->schema ??= new Schema($this, $this->schemaCache);
}