Err returns error as field.

F returns value as field.

NewStdLogger instantiates new Logger using stdlib "log".

KeyError is the default key for error field.

ErrNoRows abstract db driver-level "no rows in result set" error.

ErrTxClosed abstract db driver-level "transaction is closed" error.

CommandTag is the result of an Exec function.

Conn is a single PostgreSQL connection.

ConnPool is a PostgreSQL connection pool handle.

Queryable is the base interface for different types of db connections that should implement basic querying operations.

Row represents single row returned by DB driver.

Rows represents rows set returned by DB driver.

Tx represents a database transaction.