mysqlstream

Documentation

Index

• Variables
• func IsEventBelongsToMyself(event *replication.RowsEvent, gravityID uint32) bool
• func NewBarrierMsg(ts int64, callback core.AfterMsgCommitFunc) *core.Msg
• func NewDDLMsg(callback core.AfterMsgCommitFunc, dbName string, table string, ...) *core.Msg
• func NewDeleteMsgs(host string, database string, table string, ts int64, ...) ([]*core.Msg, error)
• func NewInsertMsgs(host string, database string, table string, ts int64, ...) ([]*core.Msg, error)
• func NewUpdateMsgs(host string, database string, table string, ts int64, ...) ([]*core.Msg, error)
• func NewXIDMsg(ts int64, callback core.AfterMsgCommitFunc, position utils.MySQLBinlogPosition) *core.Msg
• type BinlogEventSchemaFilterFunc
• type BinlogTailer
  • func NewBinlogTailer(pipelineName string, cfg *MySQLBinlogInputPluginConfig, gravityServerID uint32, ...) (*BinlogTailer, error)
  • func (tailer *BinlogTailer) AfterMsgCommit(msg *core.Msg) error
  • func (tailer *BinlogTailer) AppendMsgTxnBuffer(msg *core.Msg)
  • func (tailer *BinlogTailer) ClearMsgTxnBuffer()
  • func (tailer *BinlogTailer) Close()
  • func (tailer *BinlogTailer) FlushMsgTxnBuffer()
  • func (tailer *BinlogTailer) Start() error
  • func (tailer *BinlogTailer) Wait()
• type MySQLBinlogInputPluginConfig
• type SourceProbeCfg

Variables

var (
	GravityTableInsertCounter = prometheus.NewCounterVec(prometheus.CounterOpts{
		Namespace: "drc_v2",
		Subsystem: "gravity",
		Name:      "table_insert_rows_counter",
		Help:      "table insert rows counter",
	}, []string{metrics.PipelineTag, "db", "table"})

	GravityTableUpdateCounter = prometheus.NewCounterVec(prometheus.CounterOpts{
		Namespace: "drc_v2",
		Subsystem: "gravity",
		Name:      "table_update_rows_counter",
		Help:      "table update rows counter",
	}, []string{metrics.PipelineTag, "db", "table"})

	GravityTableDeleteCounter = prometheus.NewCounterVec(prometheus.CounterOpts{
		Namespace: "drc_v2",
		Subsystem: "gravity",
		Name:      "table_delete_rows_counter",
		Help:      "table delete rows counter",
	}, []string{metrics.PipelineTag, "db", "table"})

	GravityTableRowsEventSize = prometheus.NewGaugeVec(prometheus.GaugeOpts{
		Namespace: "drc_v2",
		Subsystem: "gravity",
		Name:      "rows_event_size",
		Help:      "rows event size per txn",
	}, []string{metrics.PipelineTag})
)

var (
	// re-sync retry timeout
	RetryTimeout = 3 * time.Second

	BinlogProbeInterval = 3 * time.Second
)

Functions

func IsEventBelongsToMyself

func IsEventBelongsToMyself(event *replication.RowsEvent, gravityID uint32) bool

func NewBarrierMsg

func NewBarrierMsg(ts int64, callback core.AfterMsgCommitFunc) *core.Msg

func NewDDLMsg

func NewDDLMsg(
	callback core.AfterMsgCommitFunc,
	dbName string,
	table string,
	ast ast.StmtNode,
	ddlSQL string,
	ts int64,
	position utils.MySQLBinlogPosition) *core.Msg

func NewDeleteMsgs

func NewDeleteMsgs(
	host string,
	database string,
	table string,
	ts int64,
	ev *replication.RowsEvent,
	tableDef *schema_store.Table) ([]*core.Msg, error)

func NewInsertMsgs

func NewInsertMsgs(
	host string,
	database string,
	table string,
	ts int64,
	ev *replication.RowsEvent,
	tableDef *schema_store.Table) ([]*core.Msg, error)

func NewUpdateMsgs

func NewUpdateMsgs(
	host string,
	database string,
	table string,
	ts int64,
	ev *replication.RowsEvent,
	tableDef *schema_store.Table) ([]*core.Msg, error)

func NewXIDMsg

func NewXIDMsg(ts int64, callback core.AfterMsgCommitFunc, position utils.MySQLBinlogPosition) *core.Msg

Types

type BinlogEventSchemaFilterFunc

type BinlogEventSchemaFilterFunc func(schemaName string) bool

type BinlogTailer

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

func NewBinlogTailer

func NewBinlogTailer(
	pipelineName string,
	cfg *MySQLBinlogInputPluginConfig,
	gravityServerID uint32,
	positionStore position_store.MySQLPositionStore,
	sourceSchemaStore schema_store.SchemaStore,
	sourceDB *sql.DB,
	emitter core.Emitter,
	binlogChecker binlog_checker.BinlogChecker,
	binlogEventSchemaFilter BinlogEventSchemaFilterFunc,
) (*BinlogTailer, error)

NewBinlogTailer creats a new binlog tailer

func (*BinlogTailer) AfterMsgCommit

func (tailer *BinlogTailer) AfterMsgCommit(msg *core.Msg) error

func (*BinlogTailer) AppendMsgTxnBuffer

func (tailer *BinlogTailer) AppendMsgTxnBuffer(msg *core.Msg)

AppendMsgTxnBuffer adds basic job information to txn buffer

func (*BinlogTailer) ClearMsgTxnBuffer

func (tailer *BinlogTailer) ClearMsgTxnBuffer()

func (*BinlogTailer) Close

func (tailer *BinlogTailer) Close()

func (*BinlogTailer) FlushMsgTxnBuffer

func (tailer *BinlogTailer) FlushMsgTxnBuffer()

FlushMsgTxnBuffer will flush job in txn buffer to queue. We will also filter out job that don't need to send out in this stage.

func (*BinlogTailer) Start

func (tailer *BinlogTailer) Start() error

func (*BinlogTailer) Wait

func (tailer *BinlogTailer) Wait()

type MySQLBinlogInputPluginConfig

type MySQLBinlogInputPluginConfig struct {
	Source                  *utils.DBConfig            `mapstructure:"source" toml:"source" json:"source"`
	IgnoreBiDirectionalData bool                       `mapstructure:"ignore-bidirectional-data" toml:"ignore-bidirectional-data" json:"ignore-bidirectional-data"`
	StartPosition           *utils.MySQLBinlogPosition `mapstructure:"start-position" toml:"start-position" json:"start-position"`

	SourceProbeCfg *SourceProbeCfg `mapstructure:"source-probe-config"json:"source-probe-config"`

	//
	// internal configurations that is not exposed to users
	//
	DisableBinlogChecker bool   `mapstructure:"-"json:"-"`
	DebugBinlog          bool   `mapstructure:"-"json:"-"`
	BinlogSyncerTimeout  string `mapstructure:"-"json:"-"`
}

type SourceProbeCfg

type SourceProbeCfg struct {
	SourceMySQL *utils.DBConfig `mapstructure:"mysql"json:"mysql"`
	Annotation  string          `mapstructure:"annotation"json:"annotation"`
}