mysql

package
v0.7.1-beta.3 Latest Latest
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 Go to latest Published: Nov 22, 2023 License: AGPL-3.0 Imports: 23 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	Role        = "ROLE"
	CurrentRole = "CURRENT_ROLE"
	Leader      = "Leader"
)
View Source 
const DateTimeFormat = "2006-01-02 15:04:05.999999"

Variables

View Source 
var EmptyResultData = ResultData{}

Functions

func QueryRowsMap 

func QueryRowsMap(db *sql.DB, query string, onRow func(RowMap) error, args ...interface{}) (err error)

QueryRowsMap is a convenience function allowing querying a result set while poviding a callback function activated per read row.

func ScanRowsToArrays 

func ScanRowsToArrays(rows *sql.Rows, onRow func([]CellData) error) error

ScanRowsToArrays is a convenience function, typically not called directly, which maps rows already read from the databse into arrays of NullString

func ScanRowsToMaps 

func ScanRowsToMaps(rows *sql.Rows, onRow func(RowMap) error) error

ScanRowsToMaps is a convenience function, typically not called directly, which maps rows already read from the databse into RowMap entries.

Types

type CellData 

type CellData sql.NullString

CellData is the result of a single (atomic) column in a single row

func RowToArray 

func RowToArray(rows *sql.Rows, columns []string) []CellData

func (*CellData) MarshalJSON 

func (cd *CellData) MarshalJSON() ([]byte, error)

func (*CellData) NullString 

func (cd *CellData) NullString() *sql.NullString

func (*CellData) UnmarshalJSON 

func (cd *CellData) UnmarshalJSON(b []byte) error

UnmarshalJSON reds this object from JSON

type Config 

type Config struct {
	// contains filtered or unexported fields
}

func GetConfig 

func GetConfig() *Config

func NewConfig 

func NewConfig(properties map[string]string) (*Config, error)

func (*Config) GetDBConnWithAddr 

func (config *Config) GetDBConnWithAddr(addr string) (*sql.DB, error)

func (*Config) GetDBPort 

func (config *Config) GetDBPort() int

func (*Config) GetLocalDBConn 

func (config *Config) GetLocalDBConn() (*sql.DB, error)

type GTIDItem 

type GTIDItem struct {
	ServerUUID string
	Ranges     string
}

GTIDItem represents an item in a set of GTID ranges, for example, the item: "bfaff6e9-3040-11ee-9393-eab5dfc9b22a:1-5:8-10"

func NewGTIDItem 

func NewGTIDItem(gtidString string) (*GTIDItem, error)

func (*GTIDItem) Explode 

func (gtid *GTIDItem) Explode() (result [](*GTIDItem))

func (*GTIDItem) String 

func (gtid *GTIDItem) String() string

type GTIDSet 

type GTIDSet struct {
	Items []*GTIDItem
}

func NewOracleGtidSet 

func NewOracleGtidSet(gtidSet string) (res *GTIDSet, err error)

func (*GTIDSet) Explode 

func (gtidSet *GTIDSet) Explode() (result [](*GTIDItem))

func (*GTIDSet) IsEmpty 

func (gtidSet *GTIDSet) IsEmpty() bool

func (*GTIDSet) RemoveUUID 

func (gtidSet *GTIDSet) RemoveUUID(uuid string) (removed bool)

func (*GTIDSet) RetainUUID 

func (gtidSet *GTIDSet) RetainUUID(uuid string) (anythingRemoved bool)

func (*GTIDSet) RetainUUIDs 

func (gtidSet *GTIDSet) RetainUUIDs(uuids []string) (anythingRemoved bool)

func (*GTIDSet) SharedUUIDs 

func (gtidSet *GTIDSet) SharedUUIDs(other *GTIDSet) (shared []string)

func (*GTIDSet) String 

func (gtidSet *GTIDSet) String() string

type Manager 

type Manager struct {
	component.DBManagerBase
	DB *sql.DB
	// contains filtered or unexported fields
}

func NewManager 

func NewManager(logger logr.Logger) (*Manager, error)

func (*Manager) CreateRoot 

func (mgr *Manager) CreateRoot(ctx context.Context) error

func (*Manager) Demote 

func (mgr *Manager) Demote(context.Context) error

func (*Manager) EnsureServerID 

func (mgr *Manager) EnsureServerID(ctx context.Context) (bool, error)

func (*Manager) Exec 

func (mgr *Manager) Exec(ctx context.Context, sql string) (int64, error)

func (*Manager) Follow 

func (mgr *Manager) Follow(ctx context.Context, cluster *dcs.Cluster) error

func (*Manager) GetDBState 

func (mgr *Manager) GetDBState(ctx context.Context, cluster *dcs.Cluster) *dcs.DBState

func (*Manager) GetGlobalState 

func (mgr *Manager) GetGlobalState(ctx context.Context, db *sql.DB) (map[string]string, error)

func (*Manager) GetHealthiestMember 

func (mgr *Manager) GetHealthiestMember(cluster *dcs.Cluster, candidate string) *dcs.Member

func (*Manager) GetLeaderClient 

func (mgr *Manager) GetLeaderClient(ctx context.Context, cluster *dcs.Cluster) (*sql.DB, error)

func (*Manager) GetMasterStatus 

func (mgr *Manager) GetMasterStatus(ctx context.Context, db *sql.DB) (RowMap, error)

func (*Manager) GetMemberAddrs 

func (mgr *Manager) GetMemberAddrs(ctx context.Context, cluster *dcs.Cluster) []string

func (*Manager) GetOpTimestamp 

func (mgr *Manager) GetOpTimestamp(ctx context.Context, db *sql.DB) (int64, error)

func (*Manager) GetRole 

func (mgr *Manager) GetRole(ctx context.Context) (string, error)

func (*Manager) GetRoleForConsensus 

func (mgr *Manager) GetRoleForConsensus(ctx context.Context) (string, error)

func (*Manager) GetRoleForReplication 

func (mgr *Manager) GetRoleForReplication(ctx context.Context) (string, error)

func (*Manager) GetSlaveStatus 

func (mgr *Manager) GetSlaveStatus(ctx context.Context, db *sql.DB) (RowMap, error)

func (*Manager) HasOtherHealthyMembers 

func (mgr *Manager) HasOtherHealthyMembers(ctx context.Context, cluster *dcs.Cluster, leader string) []*dcs.Member

HasOtherHealthyMembers checks if there are any healthy members, excluding the leader

func (*Manager) InitializeCluster 

func (mgr *Manager) InitializeCluster(ctx context.Context, cluster *dcs.Cluster) error

func (*Manager) InitiateCluster 

func (mgr *Manager) InitiateCluster(cluster *dcs.Cluster) error

func (*Manager) IsClusterInitialized 

func (mgr *Manager) IsClusterInitialized(ctx context.Context, cluster *dcs.Cluster) (bool, error)

IsClusterInitialized is a method to check if cluster is initailized or not

func (*Manager) IsCurrentMemberHealthy 

func (mgr *Manager) IsCurrentMemberHealthy(ctx context.Context, cluster *dcs.Cluster) bool

func (*Manager) IsCurrentMemberInCluster 

func (mgr *Manager) IsCurrentMemberInCluster(ctx context.Context, cluster *dcs.Cluster) bool

func (*Manager) IsDBStartupReady 

func (mgr *Manager) IsDBStartupReady() bool

func (*Manager) IsLeader 

func (mgr *Manager) IsLeader(ctx context.Context, cluster *dcs.Cluster) (bool, error)

func (*Manager) IsLeaderMember 

func (mgr *Manager) IsLeaderMember(ctx context.Context, cluster *dcs.Cluster, member *dcs.Member) (bool, error)

func (*Manager) IsMemberHealthy 

func (mgr *Manager) IsMemberHealthy(ctx context.Context, cluster *dcs.Cluster, member *dcs.Member) bool

func (*Manager) IsMemberLagging 

func (mgr *Manager) IsMemberLagging(ctx context.Context, cluster *dcs.Cluster, member *dcs.Member) (bool, int64)

func (*Manager) IsReadonly 

func (mgr *Manager) IsReadonly(ctx context.Context, cluster *dcs.Cluster, member *dcs.Member) (bool, error)

func (*Manager) IsRootCreated 

func (mgr *Manager) IsRootCreated(ctx context.Context) (bool, error)

func (*Manager) IsRunning 

func (mgr *Manager) IsRunning() bool

func (*Manager) JoinCurrentMemberToCluster 

func (mgr *Manager) JoinCurrentMemberToCluster(ctx context.Context, cluster *dcs.Cluster) error

func (*Manager) LeaveMemberFromCluster 

func (mgr *Manager) LeaveMemberFromCluster(context.Context, *dcs.Cluster, string) error

func (*Manager) Lock 

func (mgr *Manager) Lock(ctx context.Context, reason string) error

func (*Manager) Promote 

func (mgr *Manager) Promote(ctx context.Context, cluster *dcs.Cluster) error

func (*Manager) Query 

func (mgr *Manager) Query(ctx context.Context, sql string) ([]byte, error)

func (*Manager) ReadCheck 

func (mgr *Manager) ReadCheck(ctx context.Context, db *sql.DB) bool

func (*Manager) Recover 

func (mgr *Manager) Recover(context.Context) error

func (*Manager) Unlock 

func (mgr *Manager) Unlock(ctx context.Context) error

func (*Manager) WriteCheck 

func (mgr *Manager) WriteCheck(ctx context.Context, db *sql.DB) bool

type NamedResultData 

type NamedResultData struct {
	Columns []string
	Data    ResultData
}

type ResultData 

type ResultData []RowData

ResultData is an ordered row set of RowData

type RowData 

type RowData []CellData

RowData is the result of a single row, in positioned array format

func (*RowData) Args 

func (rd *RowData) Args() []interface{}

func (*RowData) MarshalJSON 

func (rd *RowData) MarshalJSON() ([]byte, error)

MarshalJSON will marshal this map as JSON

type RowMap 

type RowMap map[string]CellData

RowMap represents one row in a result set. Its objective is to allow for easy, typed getters by column name.

func (*RowMap) GetBool 

func (rm *RowMap) GetBool(key string) bool

func (*RowMap) GetInt 

func (rm *RowMap) GetInt(key string) int

func (*RowMap) GetInt64 

func (rm *RowMap) GetInt64(key string) int64

func (*RowMap) GetIntD 

func (rm *RowMap) GetIntD(key string, def int) int

func (*RowMap) GetNullInt64 

func (rm *RowMap) GetNullInt64(key string) sql.NullInt64

func (*RowMap) GetString 

func (rm *RowMap) GetString(key string) string

func (*RowMap) GetStringD 

func (rm *RowMap) GetStringD(key string, def string) string

GetStringD returns a string from the map, or a default value if the key does not exist

func (*RowMap) GetTime 

func (rm *RowMap) GetTime(key string) time.Time

func (*RowMap) GetUint 

func (rm *RowMap) GetUint(key string) uint

func (*RowMap) GetUint64 

func (rm *RowMap) GetUint64(key string) uint64

func (*RowMap) GetUint64D 

func (rm *RowMap) GetUint64D(key string, def uint64) uint64

func (*RowMap) GetUintD 

func (rm *RowMap) GetUintD(key string, def uint) uint

type WesqlManager 

type WesqlManager struct {
	Manager
}

func NewWesqlManager 

func NewWesqlManager(logger logr.Logger) (*WesqlManager, error)

func (*WesqlManager) Demote 

func (mgr *WesqlManager) Demote(context.Context) error

func (*WesqlManager) Follow 

func (mgr *WesqlManager) Follow(ctx context.Context, cluster *dcs.Cluster) error

func (*WesqlManager) GetAddrWithMemberName 

func (mgr *WesqlManager) GetAddrWithMemberName(ctx context.Context, cluster *dcs.Cluster, memberName string) string

func (*WesqlManager) GetClusterInfo 

func (mgr *WesqlManager) GetClusterInfo(ctx context.Context, cluster *dcs.Cluster) string

func (*WesqlManager) GetClusterLocalInfo 

func (mgr *WesqlManager) GetClusterLocalInfo(ctx context.Context) (RowMap, error)

func (*WesqlManager) GetDBConnWithMember 

func (mgr *WesqlManager) GetDBConnWithMember(cluster *dcs.Cluster, member *dcs.Member) (*sql.DB, error)

GetDBConnWithMember retrieves a database connection for a specific member of a cluster.

func (*WesqlManager) GetHealthiestMember 

func (mgr *WesqlManager) GetHealthiestMember(cluster *dcs.Cluster, candidate string) *dcs.Member

func (*WesqlManager) GetLeaderConn 

func (mgr *WesqlManager) GetLeaderConn(ctx context.Context, cluster *dcs.Cluster) (*sql.DB, error)

GetLeaderConn retrieves a database connection to the leader member of a cluster.

func (*WesqlManager) GetLeaderMember 

func (mgr *WesqlManager) GetLeaderMember(ctx context.Context, cluster *dcs.Cluster) *dcs.Member

GetLeaderMember retrieves the leader member of a cluster

func (*WesqlManager) GetMemberAddrs 

func (mgr *WesqlManager) GetMemberAddrs(ctx context.Context, cluster *dcs.Cluster) []string

func (*WesqlManager) GetRole 

func (mgr *WesqlManager) GetRole(ctx context.Context) (string, error)

func (*WesqlManager) HasOtherHealthyLeader 

func (mgr *WesqlManager) HasOtherHealthyLeader(ctx context.Context, cluster *dcs.Cluster) *dcs.Member

func (*WesqlManager) HasOtherHealthyMembers 

func (mgr *WesqlManager) HasOtherHealthyMembers(ctx context.Context, cluster *dcs.Cluster, leader string) []*dcs.Member

HasOtherHealthyMembers checks if there are any healthy members, excluding the leader

func (*WesqlManager) InitializeCluster 

func (mgr *WesqlManager) InitializeCluster(ctx context.Context, cluster *dcs.Cluster) error

func (*WesqlManager) InitiateCluster 

func (mgr *WesqlManager) InitiateCluster(cluster *dcs.Cluster) error

func (*WesqlManager) IsClusterHealthy 

func (mgr *WesqlManager) IsClusterHealthy(ctx context.Context, cluster *dcs.Cluster) bool

func (*WesqlManager) IsClusterInitialized 

func (mgr *WesqlManager) IsClusterInitialized(ctx context.Context, cluster *dcs.Cluster) (bool, error)

IsClusterInitialized is a method to check if cluster is initailized or not

func (*WesqlManager) IsCurrentMemberInCluster 

func (mgr *WesqlManager) IsCurrentMemberInCluster(ctx context.Context, cluster *dcs.Cluster) bool

func (*WesqlManager) IsLeader 

func (mgr *WesqlManager) IsLeader(ctx context.Context, cluster *dcs.Cluster) (bool, error)

func (*WesqlManager) IsLeaderMember 

func (mgr *WesqlManager) IsLeaderMember(ctx context.Context, cluster *dcs.Cluster, member *dcs.Member) (bool, error)

func (*WesqlManager) IsMemberLagging 

func (mgr *WesqlManager) IsMemberLagging(context.Context, *dcs.Cluster, *dcs.Member) (bool, int64)

func (*WesqlManager) IsPromoted 

func (mgr *WesqlManager) IsPromoted(ctx context.Context) bool

func (*WesqlManager) JoinCurrentMemberToCluster 

func (mgr *WesqlManager) JoinCurrentMemberToCluster(context.Context, *dcs.Cluster) error

func (*WesqlManager) LeaveMemberFromCluster 

func (mgr *WesqlManager) LeaveMemberFromCluster(ctx context.Context, cluster *dcs.Cluster, memberName string) error

func (*WesqlManager) Promote 

func (mgr *WesqlManager) Promote(ctx context.Context, cluster *dcs.Cluster) error

func (*WesqlManager) Recover 

func (mgr *WesqlManager) Recover(context.Context) error

Source Files

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