add invalidation via stream to redis

go/cache/redis/cache.go

@@ -26,6 +26,20 @@ func NewCache() *Cache {
 	}
 }
 
+func NewCacheParams(addr, password string, DB int) *Cache {
+	opts := &gredis.Options{
+		Addr:     addr,
+		Password: password,
+		DB:       DB,
+	}
+
+	client := gredis.NewClient(opts)
+
+	return &Cache{
+		client: client,
+	}
+}
+
 func (c *Cache) Get(key string) (string, error) {
 	return c.client.Get(key).Result()
 }

go/cmd/boost/boost.go

@@ -20,15 +20,19 @@ var (
 	targetHost,
 	targetGtid,
 	targetFilter,
-	targetTabletType string
+	targetColumns,
+	targetTabletType,
+	redisAddr string
 
 	boostFlags = []string{
 		"host",
 		"port",
 		"grpcPort",
 		"gtid",
 		"filter",
+		"columns",
 		"tabletType",
+		"redisAddr",
 	}
 )
 
@@ -70,11 +74,13 @@ func flagUsage(f *flag.Flag) {
 }
 
 func init() {
+	flag.StringVar(&redisAddr, "redisAddr", "127.0.0.1:6379", "(defaults to 127.0.0.1:6379)")
 	flag.StringVar(&targetHost, "host", "127.0.0.1", "(defaults to 127.0.0.1)")
 	flag.IntVar(&targetPort, "port", 15306, "(defaults to 15306)")
 	flag.IntVar(&targetGrpcPort, "grpcPort", 15991, "(defaults to 15991)")
 	flag.StringVar(&targetGtid, "gtid", "{}", "(defaults to {})")
 	flag.StringVar(&targetFilter, "filter", "{}", "(defaults to{})")
+	flag.StringVar(&targetColumns, "columns", "id,user_id", "(defaults to id)")
 	flag.StringVar(&targetTabletType, "tabletType", "master", "(defaults to{})")
 	logger := logutil.NewConsoleLogger()
 	flag.CommandLine.SetOutput(logutil.NewLoggerWriter(logger))
@@ -92,7 +98,9 @@ func main() {
 		targetHost,
 		targetGtid,
 		targetFilter,
+		targetColumns,
 		targetTabletType,
+		redisAddr,
 	)
 	if err != nil {
 		os.Exit(1)

go/cmd/boost/boost/boost.go

@@ -8,6 +8,7 @@ import (
 	"strings"
 	"time"
 
+	"vitess.io/vitess/go/cache/redis"
 	"vitess.io/vitess/go/json2"
 	"vitess.io/vitess/go/mysql"
 	"vitess.io/vitess/go/vt/binlog/binlogplayer"
@@ -24,24 +25,26 @@ import (
 )
 
 type BoostConfig struct {
-	Host       string
-	Port       int
-	GrpcPort   int
-	User       string
-	Password   string
-	Gtid       *binlogdatapb.VGtid
-	Filter     *binlogdatapb.Filter
-	TabletType topodatapb.TabletType
-	Source     string
-	Flags      vtgatepb.VStreamFlags
+	Host         string
+	Port         int
+	GrpcPort     int
+	User         string
+	Password     string
+	Gtid         *binlogdatapb.VGtid
+	Filter       *binlogdatapb.Filter
+	RedisColumns []string
+	TabletType   topodatapb.TabletType
+	Source       string
+	Flags        vtgatepb.VStreamFlags
+	RedisAddr    string
 }
 
 type Boost struct {
 	config *BoostConfig
 	player *vplayer
 }
 
-func NewBoost(port, grpcPort int, host, gtid, filter, tabletType string) (*Boost, error) {
+func NewBoost(port, grpcPort int, host, gtid, filter, columns, tabletType, redisAddr string) (*Boost, error) {
 	targetVgtid := &binlogdatapb.VGtid{}
 	targetFilter := &binlogdatapb.Filter{}
 	if err := json2.Unmarshal([]byte(gtid), &targetVgtid); err != nil {
@@ -54,15 +57,17 @@ func NewBoost(port, grpcPort int, host, gtid, filter, tabletType string) (*Boost
 	}
 
 	cfg := &BoostConfig{
-		Host:     host,
-		Port:     port,
-		GrpcPort: grpcPort,
-		Gtid:     targetVgtid,
-		Filter:   targetFilter,
+		Host:         host,
+		Port:         port,
+		GrpcPort:     grpcPort,
+		Gtid:         targetVgtid,
+		Filter:       targetFilter,
+		RedisColumns: strings.Split(columns, ","),
 		Flags: vtgatepb.VStreamFlags{
 			//MinimizeSkew:      false,
 			HeartbeatInterval: 60, //seconds
 		},
+		RedisAddr: redisAddr,
 	}
 	switch tabletType {
 	case "replica":
@@ -93,6 +98,8 @@ func (b *Boost) Init() error {
 		),
 	)
 
+	cache := redis.NewCacheParams(b.config.RedisAddr, "", 0)
+
 	// for event aplicator
 	colInfo, err := buildColInfoMap(context.Background(), dbPool)
 	if err != nil {
@@ -102,9 +109,11 @@ func (b *Boost) Init() error {
 
 	replicatorPlan, err := buildReplicatorPlan(
 		b.config.Filter,
+
 		colInfo,
 		nil,
 		binlogplayer.NewStats(),
+		b.config.RedisColumns,
 	)
 	if err != nil {
 		log.Error("---- buildReplicatorPlan", err)
@@ -116,6 +125,7 @@ func (b *Boost) Init() error {
 		dbPool:         dbPool,
 		replicatorPlan: replicatorPlan,
 		tablePlans:     make(map[string]*TablePlan),
+		cache:          cache,
 	}
 	return nil
 }

go/cmd/boost/boost/replicator_plan.go

@@ -9,6 +9,7 @@ import (
 	"google.golang.org/protobuf/proto"
 
 	"vitess.io/vitess/go/bytes2"
+	"vitess.io/vitess/go/cache/redis"
 	"vitess.io/vitess/go/mysql"
 	"vitess.io/vitess/go/sqltypes"
 	"vitess.io/vitess/go/vt/binlog/binlogplayer"
@@ -40,6 +41,7 @@ type ReplicatorPlan struct {
 	TablePlans    map[string]*TablePlan
 	ColInfoMap    map[string][]*vreplication.ColumnInfo
 	stats         *binlogplayer.Stats
+	RedisColumns  []string
 }
 
 // buildExecution plan uses the field info as input and the partially built
@@ -83,10 +85,11 @@ func (rp *ReplicatorPlan) buildExecutionPlan(fieldEvent *binlogdatapb.FieldEvent
 // requires us to wait for the field info sent by the source.
 func (rp *ReplicatorPlan) buildFromFields(tableName string, lastpk *sqltypes.Result, fields []*querypb.Field) (*TablePlan, error) {
 	tpb := &tablePlanBuilder{
-		name:     sqlparser.NewTableIdent(tableName),
-		lastpk:   lastpk,
-		colInfos: rp.ColInfoMap[tableName],
-		stats:    rp.stats,
+		name:         sqlparser.NewTableIdent(tableName),
+		lastpk:       lastpk,
+		colInfos:     rp.ColInfoMap[tableName],
+		stats:        rp.stats,
+		RedisColumns: rp.RedisColumns,
 	}
 	for _, field := range fields {
 		colName := sqlparser.NewColIdent(field.Name)
@@ -188,6 +191,7 @@ type TablePlan struct {
 	Stats          *binlogplayer.Stats
 	FieldsToSkip   map[string]bool
 	ConvertCharset map[string](*binlogdatapb.CharsetConversion)
+	RedisColumns   []string
 }
 
 // MarshalJSON performs a custom JSON Marshalling.
@@ -372,6 +376,61 @@ func (tp *TablePlan) applyChange(rowChange *binlogdatapb.RowChange, executor fun
 	return nil, nil
 }
 
+func check(field string, b []string) bool {
+	for i := range b {
+		if field == b[i] {
+			return true
+		}
+	}
+	return false
+}
+
+// applyChange generate mysql statement
+func (tp *TablePlan) applyRedisChange(rowChange *binlogdatapb.RowChange, executor func(string) (*sqltypes.Result, error)) (*sqltypes.Result, error) {
+	var before, after bool
+	// insert uses after -> need after
+	// delete uses before -> need before
+	// update uses before/after -> need before
+	if rowChange.Before != nil {
+		before = true
+	}
+	if rowChange.After != nil {
+		after = true
+	}
+	bindvarsStr := append([]string{tp.TargetName}, tp.RedisColumns...)
+	if rowChange.Before != nil {
+		before = true
+	}
+	if rowChange.After != nil {
+		after = true
+	}
+	if !before && after {
+		vals := sqltypes.MakeRowTrusted(tp.Fields, rowChange.After)
+		for i, field := range tp.Fields {
+			bindVar, err := tp.bindFieldVal(field, &vals[i])
+			if err != nil {
+				return nil, err
+			}
+			if check(field.Name, tp.RedisColumns) {
+				bindvarsStr = append(bindvarsStr, string(bindVar.GetValue()))
+			}
+		}
+	} else {
+		vals := sqltypes.MakeRowTrusted(tp.Fields, rowChange.Before)
+		for i, field := range tp.Fields {
+			bindVar, err := tp.bindFieldVal(field, &vals[i])
+			if err != nil {
+				return nil, err
+			}
+			if check(field.Name, tp.RedisColumns) {
+				bindvarsStr = append(bindvarsStr, string(bindVar.GetValue()))
+			}
+		}
+	}
+	// fmt.Println("bind vars STR %s", bindvarsStr)
+	return executor(redis.GenerateCacheKey(bindvarsStr...))
+}
+
 func execParsedQuery(pq *sqlparser.ParsedQuery, bindvars map[string]*querypb.BindVariable, executor func(string) (*sqltypes.Result, error)) (*sqltypes.Result, error) {
 	sql, err := pq.GenerateQuery(bindvars, nil)
 	if err != nil {

go/cmd/boost/boost/table_plan_builder.go

@@ -31,13 +31,14 @@ type tablePlanBuilder struct {
 	// selColumns keeps track of the columns we want to pull from source.
 	// If Lastpk is set, we compare this list against the table's pk and
 	// add missing references.
-	selColumns map[string]bool
-	colExprs   []*colExpr
-	onInsert   insertType
-	pkCols     []*colExpr
-	lastpk     *sqltypes.Result
-	colInfos   []*vreplication.ColumnInfo
-	stats      *binlogplayer.Stats
+	selColumns   map[string]bool
+	colExprs     []*colExpr
+	onInsert     insertType
+	pkCols       []*colExpr
+	lastpk       *sqltypes.Result
+	colInfos     []*vreplication.ColumnInfo
+	stats        *binlogplayer.Stats
+	RedisColumns []string
 }
 
 // colExpr describes the processing to be performed to
@@ -107,13 +108,14 @@ const (
 // The TablePlan built is a partial plan. The full plan for a table is built
 // when we receive field information from events or rows sent by the source.
 // buildExecutionPlan is the function that builds the full plan.
-func buildReplicatorPlan(filter *binlogdatapb.Filter, colInfoMap map[string][]*vreplication.ColumnInfo, copyState map[string]*sqltypes.Result, stats *binlogplayer.Stats) (*ReplicatorPlan, error) {
+func buildReplicatorPlan(filter *binlogdatapb.Filter, colInfoMap map[string][]*vreplication.ColumnInfo, copyState map[string]*sqltypes.Result, stats *binlogplayer.Stats, redisColumns []string) (*ReplicatorPlan, error) {
 	plan := &ReplicatorPlan{
 		VStreamFilter: &binlogdatapb.Filter{FieldEventMode: filter.FieldEventMode},
 		TargetTables:  make(map[string]*TablePlan),
 		TablePlans:    make(map[string]*TablePlan),
 		ColInfoMap:    colInfoMap,
 		stats:         stats,
+		RedisColumns:  redisColumns,
 	}
 	for tableName := range colInfoMap {
 		lastpk, ok := copyState[tableName]
@@ -128,7 +130,7 @@ func buildReplicatorPlan(filter *binlogdatapb.Filter, colInfoMap map[string][]*v
 		if rule == nil {
 			continue
 		}
-		tablePlan, err := buildTablePlan(tableName, rule, colInfoMap, lastpk, stats)
+		tablePlan, err := buildTablePlan(tableName, rule, colInfoMap, lastpk, stats, redisColumns)
 		if err != nil {
 			return nil, err
 		}
@@ -167,7 +169,7 @@ func MatchTable(tableName string, filter *binlogdatapb.Filter) (*binlogdatapb.Ru
 	return nil, nil
 }
 
-func buildTablePlan(tableName string, rule *binlogdatapb.Rule, colInfoMap map[string][]*vreplication.ColumnInfo, lastpk *sqltypes.Result, stats *binlogplayer.Stats) (*TablePlan, error) {
+func buildTablePlan(tableName string, rule *binlogdatapb.Rule, colInfoMap map[string][]*vreplication.ColumnInfo, lastpk *sqltypes.Result, stats *binlogplayer.Stats, redisColumns []string) (*TablePlan, error) {
 	filter := rule.Filter
 	query := filter
 	// generate equivalent select statement if filter is empty or a keyrange.
@@ -214,6 +216,7 @@ func buildTablePlan(tableName string, rule *binlogdatapb.Rule, colInfoMap map[st
 			Stats:          stats,
 			EnumValuesMap:  enumValuesMap,
 			ConvertCharset: rule.ConvertCharset,
+			RedisColumns:   redisColumns,
 		}
 
 		return tablePlan, nil
@@ -225,10 +228,11 @@ func buildTablePlan(tableName string, rule *binlogdatapb.Rule, colInfoMap map[st
 			From:  sel.From,
 			Where: sel.Where,
 		},
-		selColumns: make(map[string]bool),
-		lastpk:     lastpk,
-		colInfos:   colInfoMap[tableName],
-		stats:      stats,
+		selColumns:   make(map[string]bool),
+		lastpk:       lastpk,
+		colInfos:     colInfoMap[tableName],
+		stats:        stats,
+		RedisColumns: redisColumns,
 	}
 
 	if err := tpb.analyzeExprs(sel.SelectExprs); err != nil {
@@ -310,6 +314,7 @@ func (tpb *tablePlanBuilder) generate() *TablePlan {
 		PKReferences:     pkrefs,
 		Stats:            tpb.stats,
 		FieldsToSkip:     fieldsToSkip,
+		RedisColumns:     tpb.RedisColumns,
 	}
 }
 

go/cmd/boost/boost/vplayer.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"strings"
 
+	"vitess.io/vitess/go/cache/redis"
 	"vitess.io/vitess/go/sqltypes"
 	"vitess.io/vitess/go/vt/dbconnpool"
 	"vitess.io/vitess/go/vt/log"
@@ -20,6 +21,7 @@ type vplayer struct {
 	currentVgtid *binlogdatapb.VGtid
 	// fields       []*querypb.Field
 	dbPool *dbconnpool.ConnectionPool
+	cache  *redis.Cache
 }
 
 func (vp *vplayer) applyVEvent(ctx context.Context, event *binlogdatapb.VEvent) error {
@@ -65,11 +67,15 @@ func (vp *vplayer) applyRowEvent(ctx context.Context, rowEvent *binlogdatapb.Row
 		return fmt.Errorf("unexpected event on table %s", rowEvent.TableName)
 	}
 	for _, change := range rowEvent.RowChanges {
-		_, err := tplan.applyChange(change, func(sql string) (*sqltypes.Result, error) {
+		_, err := tplan.applyRedisChange(change, func(key string) (*sqltypes.Result, error) {
+			// this one for Mysql change
+			// _, err := tplan.applyChange(change, func(sql string) (*sqltypes.Result, error) {
 			// stats := NewVrLogStats("ROWCHANGE")
 			// start := time.Now()
-			fmt.Println(sql)
-			return nil, nil
+			log.Infof("Deleting key: %s", key)
+			err := vp.cache.Delete(key)
+			// fmt.Println(sql)
+			return nil, err
 			// qr, err := vp.dbClient.ExecuteWithRetry(ctx, sql)
 			// vp.vr.stats.QueryCount.Add(vp.phase, 1)
 			// vp.vr.stats.QueryTimings.Record(vp.phase, start)