Documentation
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Index ¶
Constants ¶
const ( WalLevelMinimal = iota WalLevelArchive WalLevelHotStandby WalLevelLogical )
WAL levels
Variables ¶
This section is empty.
Functions ¶
This section is empty.
Types ¶
type CheckPoint ¶
type CheckPoint struct {
RedoLogID uint32
RedoRecordOffset uint32
ThisTimeLineID uint32
PrevTimeLineID uint32
FullPageWrites uint8
NextXidEpoch uint32
NextXid uint32
NextOid uint32
NextMulti uint32
NextMultiOffset uint32
OldestXid uint32
OldestXidDB uint32
OldestMulti uint32
OldestMultiDB uint32
Time int64
OldestCommitTs uint32
NewestCommitTs uint32
OldestActiveXid uint32
}
CheckPoint describes a checkpoint in the write ahead log. See this link for descriptions of fields: https://github.com/postgres/postgres/blob/REL9_1_STABLE/src/include/catalog/pg_control.h#L31
type Control ¶
type Control struct {
SystemIdentifier uint64
Version uint32
CatalogVersionNo uint32
State PgStateType
Time int64
CheckPointLogID uint32
CheckPointRecordOffset uint32
PrevCheckPointLogID uint32
PrevCheckPointRecordOffset uint32
CheckPointCopy CheckPoint
UnloggedLSNLogID uint32
UnloggedLSNRecordOffset uint32
MinRecoveryPointLogID uint32
MinRecoveryPointRecordOffset uint32
MinRecoveryPointTLI uint32
BackupStartPointLogID uint32
BackupStartPointRecordOffset uint32
BackupEndPointLogID uint32
BackupEndPointRecordOffset uint32
BackupEndRequired uint8
WalLevel int32
WalLogHints uint8
MaxConnections int32
MaxWorkerProcesses int32
MaxPreparedXacts int32
MaxLocksPerXact int32
TrackCommitTimestamp uint32
MaxAlign uint32
FloatFormat float64
Blcksz uint32
RelsegSize uint32
XlogBlcksz uint32
XlogSegSize uint32
NameDataLen uint32
IndexMaxKeys uint32
ToastMaxChunkSize uint32
Loblksize uint32
EnableIntTimes uint8
Float4ByVal uint8
Float8ByVal uint8
DataChecksumVersion uint32
Crc uint32
}
Control describes various runtime constants for PostgreSQL. See this link for descriptions of fields: https://github.com/postgres/postgres/blob/REL9_1_STABLE/src/include/catalog/pg_control.h#L88
func NewControl ¶
NewControl gets control from a reader
func NewControlFromDataDir ¶
NewControlFromDataDir gets control from its default location relative to a data directory
func NewControlFromFile ¶
NewControlFromFile gets control from a specific path
type PgStateType ¶
type PgStateType uint64
PgStateType describes the state that PostgreSQL is in. See this link for details: https://github.com/postgres/postgres/blob/REL9_1_STABLE/src/include/catalog/pg_control.h#L69
const ( DbStartup PgStateType = iota DbShutdowned DbShutdownedInRecovery DbShutdowning DbInCrashRecovery DbInArchiveRecovery DbInProduction )
DATABASE State
func (PgStateType) String ¶
func (state PgStateType) String() string
Source Files