Interface for database access objects.
const READ_LOCKING
Read from the primary/quorum and lock out other writers.
const READ_NORMAL
Constants for object loading bitfield flags (higher => higher QoS)
const READ_NONE
Convenience constant for tracking how data was loaded (higher => higher QoS)
const READ_LATEST
Read from the primary/quorum.
const READ_LATEST_IMMUTABLE
Read from a replica DB or without a quorum, using the primary/quorum on miss.
const READ_EXCLUSIVE
Read from the primary/quorum and lock out other writers and locking readers.