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Reference documentation and code samples for the Cloud Spanner V1 Client class Group.
A Group
represents a paxos group in a database. A group is a set of
tablets that are replicated across multiple servers. Groups may have a leader
tablet. Groups store one (or sometimes more) ranges of keys.
Generated from protobuf message google.spanner.v1.Group
Namespace
Google \ Cloud \ Spanner \ V1Methods
__construct
Constructor.
data
array
Optional. Data for populating the Message object.
↳ group_uid
int|string
The UID of the paxos group, unique within the database. Matches the group_uid
field in Range
.
↳ tablets
array< Tablet
>
A list of tablets that are part of the group. Note that this list may not be exhaustive; it will only include tablets the server considers useful to the client. The returned list is ordered ascending by distance. Tablet UIDs reference Tablet.tablet_uid
.
↳ leader_index
int
The last known leader tablet of the group as an index into tablets
. May be negative if the group has no known leader.
↳ generation
string
generation
indicates the freshness of the group information (including leader information) contained in this proto. Generations can be compared lexicographically; if generation A is greater than generation B, then the Group
corresponding to A is newer than the Group
corresponding to B, and should be used preferentially.
getGroupUid
The UID of the paxos group, unique within the database. Matches the group_uid
field in Range
.
int|string
setGroupUid
The UID of the paxos group, unique within the database. Matches the group_uid
field in Range
.
var
int|string
$this
getTablets
A list of tablets that are part of the group. Note that this list may not be exhaustive; it will only include tablets the server considers useful to the client. The returned list is ordered ascending by distance.
Tablet UIDs reference Tablet.tablet_uid
.
setTablets
A list of tablets that are part of the group. Note that this list may not be exhaustive; it will only include tablets the server considers useful to the client. The returned list is ordered ascending by distance.
Tablet UIDs reference Tablet.tablet_uid
.
$this
getLeaderIndex
The last known leader tablet of the group as an index into tablets
. May
be negative if the group has no known leader.
int
setLeaderIndex
The last known leader tablet of the group as an index into tablets
. May
be negative if the group has no known leader.
var
int
$this
getGeneration
generation
indicates the freshness of the group information (including
leader information) contained in this proto. Generations can be compared
lexicographically; if generation A is greater than generation B, then the Group
corresponding to A is newer than the Group
corresponding to B,
and should be used preferentially.
string
setGeneration
generation
indicates the freshness of the group information (including
leader information) contained in this proto. Generations can be compared
lexicographically; if generation A is greater than generation B, then the Group
corresponding to A is newer than the Group
corresponding to B,
and should be used preferentially.
var
string
$this
