Commonly-used pool implementations:

• PooledPostgresqlDatabase

• PooledMySQLDatabase

• PooledSqliteDatabase

Additional implementations:

• playhouse.cysqlite_ext - PooledCySqliteDatabase

• playhouse.mysql_ext - PooledMariaDBConnectorDatabase

• playhouse.mysql_ext - PooledMySQLConnectorDatabase

• playhouse.postgres_ext - PooledPostgresqlExtDatabase

• playhouse.postgres_ext - PooledPsycopg3Database

• playhouse.cockroachdb - PooledCockroachDatabase