func (krval bvcKeyRange) eval(bv interface{}, op Operator, onMismatch bool) bool {
switch op {
case QR_IN:
switch num, status := getuint64(bv); status {
case QR_OK:
k := key.Uint64Key(num).KeyspaceId()
return key.KeyRange(krval).Contains(k)
case QR_OUT_OF_RANGE:
return false
}
// Not a number. Check string.
switch str, status := getstring(bv); status {
case QR_OK:
return key.KeyRange(krval).Contains(key.KeyspaceId(str))
}
case QR_NOTIN:
switch num, status := getuint64(bv); status {
case QR_OK:
k := key.Uint64Key(num).KeyspaceId()
return !key.KeyRange(krval).Contains(k)
case QR_OUT_OF_RANGE:
return true
}
// Not a number. Check string.
switch str, status := getstring(bv); status {
case QR_OK:
return !key.KeyRange(krval).Contains(key.KeyspaceId(str))
}
default:
panic("unexpected:")
}
return onMismatch
}
func (c *successClient) GetSrvKeyspace(ctx context.Context, keyspace string) (*topo.SrvKeyspace, error) {
if keyspace == "big" {
return &topo.SrvKeyspace{
Partitions: map[topo.TabletType]*topo.KeyspacePartition{
topo.TYPE_REPLICA: &topo.KeyspacePartition{
ShardReferences: []topo.ShardReference{
topo.ShardReference{
Name: "shard0",
KeyRange: key.KeyRange{
Start: key.Uint64Key(0x4000000000000000).KeyspaceId(),
End: key.Uint64Key(0x8000000000000000).KeyspaceId(),
},
},
},
},
},
ShardingColumnName: "sharding_column_name",
ShardingColumnType: key.KIT_UINT64,
ServedFrom: map[topo.TabletType]string{
topo.TYPE_MASTER: "other_keyspace",
},
SplitShardCount: 128,
}, nil
}
if keyspace == "small" {
return &topo.SrvKeyspace{}, nil
}
return c.fallback.GetSrvKeyspace(ctx, keyspace)
}
func (krval *bvcKeyRange) eval(bv interface{}, op Operator, onMismatch bool) bool {
switch op {
case QRIn:
switch num, status := getuint64(bv); status {
case QROK:
k := key.Uint64Key(num).Bytes()
return key.KeyRangeContains((*topodatapb.KeyRange)(krval), k)
case QROutOfRange:
return false
}
// Not a number. Check string.
switch str, status := getstring(bv); status {
case QROK:
return key.KeyRangeContains((*topodatapb.KeyRange)(krval), []byte(str))
}
case QRNotIn:
switch num, status := getuint64(bv); status {
case QROK:
k := key.Uint64Key(num).Bytes()
return !key.KeyRangeContains((*topodatapb.KeyRange)(krval), k)
case QROutOfRange:
return true
}
// Not a number. Check string.
switch str, status := getstring(bv); status {
case QROK:
return !key.KeyRangeContains((*topodatapb.KeyRange)(krval), []byte(str))
}
default:
panic("unexpected:")
}
return onMismatch
}
func numKeyRange(start, end uint64) bvcKeyRange {
kr := key.KeyRange{
Start: key.Uint64Key(start).KeyspaceId(),
End: key.Uint64Key(end).KeyspaceId(),
}
return bvcKeyRange(kr)
}
func numKeyRange(start, end uint64) *bvcKeyRange {
kr := pb.KeyRange{
Start: key.Uint64Key(start).Bytes(),
End: key.Uint64Key(end).Bytes(),
}
b := bvcKeyRange(kr)
return &b
}
func TestCSVSplitterNumber(t *testing.T) {
// csvsplitter_mean.csv was generated using "select keyspaced_id,
// tablename.* into outfile".
keyspaceIds := readData(t, "csvsplitter_mean.csv", true)
wantedTable := []pair{
{key.Uint64Key(1).KeyspaceId(), "\"x\x9c\xf3H\xcd\xc9\xc9W(\xcf/\xcaI\x01\\0\x18\xab\x04=\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\",1,\"ala\\\nhas a cat\\\n\",1\n"},
{key.Uint64Key(2).KeyspaceId(), "\"x\x9c\xf3\xc8\xcfIT\xc8-\xcdK\xc9\a\\0\x13\xfe\x03\xc8\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\",2,\"ala\\\ntiene un gato\\\\\\\n\r\\\n\",2\n"},
{key.Uint64Key(3).KeyspaceId(), "\"x\x9cs\xceL\xccW\xc8\xcd\xcfK\xc9\a\\0\x13\x88\x03\xba\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\",3,\"ala\\\nha un gatto\\\\n\\\n\",3\n"},
{key.Uint64Key(4).KeyspaceId(), "\"x\x9cs\xca\xcf\xcb\xca/-R\xc8\xcd\xcfKI\x05\\0#:\x05\x13\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\",3,\",,,ala \\\"\\\n,a un chat\",4\n"},
}
checkWanted(t, keyspaceIds, wantedTable)
}
func getBoundValue(valExpr sqlparser.ValExpr, bindVariables map[string]interface{}) (string, error) {
switch node := valExpr.(type) {
case sqlparser.ValTuple:
if len(node) != 1 {
return "", fmt.Errorf("tuples not allowed as insert values")
}
// TODO: Change parser to create single value tuples into non-tuples.
return getBoundValue(node[0], bindVariables)
case sqlparser.StrVal:
return string(node), nil
case sqlparser.NumVal:
val, err := strconv.ParseInt(string(node), 10, 64)
if err != nil {
return "", err
}
return key.Uint64Key(val).String(), nil
case sqlparser.ValArg:
value, err := findBindValue(node, bindVariables)
if err != nil {
return "", err
}
return key.EncodeValue(value), nil
}
panic("Unexpected token")
}
// Split will split the rows into subset for each distribution
func (rs *RowSplitter) Split(result [][][]sqltypes.Value, rows [][]sqltypes.Value) error {
if rs.Type == key.KIT_UINT64 {
for _, row := range rows {
v := sqltypes.MakeNumeric(row[rs.ValueIndex].Raw())
i, err := v.ParseUint64()
if err != nil {
return fmt.Errorf("Non numerical value: %v", err)
}
k := key.Uint64Key(i).KeyspaceId()
for i, kr := range rs.KeyRanges {
if kr.Contains(k) {
result[i] = append(result[i], row)
break
}
}
}
} else {
for _, row := range rows {
k := key.KeyspaceId(row[rs.ValueIndex].Raw())
for i, kr := range rs.KeyRanges {
if kr.Contains(k) {
result[i] = append(result[i], row)
break
}
}
}
}
return nil
}
// Split will split the rows into subset for each distribution
func (rs *RowSplitter) Split(result [][][]sqltypes.Value, rows [][]sqltypes.Value) error {
if rs.KeyspaceIdType == topodatapb.KeyspaceIdType_UINT64 {
for _, row := range rows {
i, err := row[rs.ValueIndex].ParseUint64()
if err != nil {
return fmt.Errorf("Non numerical value: %v", err)
}
k := key.Uint64Key(i).Bytes()
for i, kr := range rs.KeyRanges {
if key.KeyRangeContains(kr, k) {
result[i] = append(result[i], row)
break
}
}
}
} else {
for _, row := range rows {
k := row[rs.ValueIndex].Raw()
for i, kr := range rs.KeyRanges {
if key.KeyRangeContains(kr, k) {
result[i] = append(result[i], row)
break
}
}
}
}
return nil
}
func TestCSVSplitter(t *testing.T) {
// mean.csv was generated using "select keyspaced_id,
// tablename.* into outfile".
file, err := os.Open("mean.csv")
if err != nil {
t.Fatalf("Cannot open mean.csv: %v", err)
}
r := NewKeyspaceCSVReader(file, ',')
keyspaceIds := make([]pair, 0)
for {
kid, line, err := r.ReadRecord()
if err == io.EOF {
break
}
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}
keyspaceIds = append(keyspaceIds, pair{kid, string(line)})
}
wantedTable := []pair{
{key.Uint64Key(1).KeyspaceId(), "\"x\x9c\xf3H\xcd\xc9\xc9W(\xcf/\xcaI\x01\\0\x18\xab\x04=\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\",1,\"ala\\\nhas a cat\\\n\",1\n"},
{key.Uint64Key(2).KeyspaceId(), "\"x\x9c\xf3\xc8\xcfIT\xc8-\xcdK\xc9\a\\0\x13\xfe\x03\xc8\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\",2,\"ala\\\ntiene un gato\\\\\\\n\r\\\n\",2\n"},
{key.Uint64Key(3).KeyspaceId(), "\"x\x9cs\xceL\xccW\xc8\xcd\xcfK\xc9\a\\0\x13\x88\x03\xba\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\",3,\"ala\\\nha un gatto\\\\n\\\n\",3\n"},
{key.Uint64Key(4).KeyspaceId(), "\"x\x9cs\xca\xcf\xcb\xca/-R\xc8\xcd\xcfKI\x05\\0#:\x05\x13\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\\0\",3,\",,,ala \\\"\\\n,a un chat\",4\n"},
}
for i, wanted := range wantedTable {
if keyspaceIds[i].kid != key.KeyspaceId(wanted.kid) {
t.Errorf("Wrong keyspace_id: expected %#v, got %#v", wanted.kid, keyspaceIds[i].kid)
}
if keyspaceIds[i].line != wanted.line {
t.Errorf("Wrong line: expected %q got %q", wanted.line, keyspaceIds[i].line)
}
}
if count := len(keyspaceIds); count != 4 {
t.Errorf("Wrong number of records: expected 4, got %v", count)
}
}
// ReadRecord returns a keyspaceId and a line from which it was
// extracted, with the keyspaceId stripped.
func (r KeyspaceCSVReader) ReadRecord() (keyspaceId key.KeyspaceId, line []byte, err error) {
k, err := r.reader.ReadString(r.delim)
if err != nil {
return key.MinKey, nil, err
}
if r.numberColumn {
// the line starts with:
// NNNN,
// so remove the comma
kid, err := strconv.ParseUint(k[:len(k)-1], 10, 64)
if err != nil {
return key.MinKey, nil, err
}
keyspaceId = key.Uint64Key(kid).KeyspaceId()
} else {
// the line starts with:
// "HHHH",
// so remove the quotes and comma
keyspaceId, err = key.HexKeyspaceId(k[1 : len(k)-2]).Unhex()
if err != nil {
return key.MinKey, nil, err
}
}
defer r.buf.Reset()
escaped := false
inQuote := false
for {
b, err := r.reader.ReadByte()
if err != nil {
// Assumption: the csv file ends with a
// newline. Otherwise io.EOF should be treated
// separately.
return key.MinKey, nil, err
}
r.buf.WriteByte(b)
if escaped {
escaped = false
continue
}
switch b {
case '\\':
escaped = true
case '"':
inQuote = !inQuote
case '\n':
if !inQuote {
return keyspaceId, r.buf.Bytes(), nil
}
}
}
}
// keyspaceID implements the keyspaceIDResolver interface.
func (r *v2Resolver) keyspaceID(row []sqltypes.Value) ([]byte, error) {
v := row[r.shardingColumnIndex]
switch r.keyspaceInfo.ShardingColumnType {
case topodatapb.KeyspaceIdType_BYTES:
return v.Raw(), nil
case topodatapb.KeyspaceIdType_UINT64:
i, err := v.ParseUint64()
if err != nil {
return nil, fmt.Errorf("Non numerical value: %v", err)
}
return key.Uint64Key(i).Bytes(), nil
default:
return nil, fmt.Errorf("unsupported ShardingColumnType: %v", r.keyspaceInfo.ShardingColumnType)
}
}
// KeyRangeFilterFunc returns a function that calls sendReply only if statements
// in the transaction match the specified keyrange. The resulting function can be
// passed into the BinlogStreamer: bls.Stream(file, pos, sendTransaction) ->
// bls.Stream(file, pos, KeyRangeFilterFunc(sendTransaction))
func KeyRangeFilterFunc(keyrange key.KeyRange, sendReply sendTransactionFunc) sendTransactionFunc {
return func(reply *proto.BinlogTransaction) error {
matched := false
filtered := make([]proto.Statement, 0, len(reply.Statements))
for _, statement := range reply.Statements {
switch statement.Category {
case proto.BL_SET:
filtered = append(filtered, statement)
case proto.BL_DDL:
filtered = append(filtered, statement)
matched = true
case proto.BL_DML:
keyspaceIndex := bytes.LastIndex(statement.Sql, KEYSPACE_ID_COMMENT)
if keyspaceIndex == -1 {
updateStreamErrors.Add("KeyRangeStream", 1)
log.Errorf("Error parsing keyspace id: %s", string(statement.Sql))
continue
}
idstart := keyspaceIndex + len(KEYSPACE_ID_COMMENT)
idend := bytes.Index(statement.Sql[idstart:], SPACE)
if idend == -1 {
updateStreamErrors.Add("KeyRangeStream", 1)
log.Errorf("Error parsing keyspace id: %s", string(statement.Sql))
continue
}
id, err := strconv.ParseUint(string(statement.Sql[idstart:idstart+idend]), 10, 64)
if err != nil {
updateStreamErrors.Add("KeyRangeStream", 1)
log.Errorf("Error parsing keyspace id: %s", string(statement.Sql))
continue
}
if !keyrange.Contains(key.Uint64Key(id).KeyspaceId()) {
continue
}
filtered = append(filtered, statement)
matched = true
}
}
if matched {
reply.Statements = filtered
} else {
reply.Statements = nil
}
return sendReply(reply)
}
}
func (node *Node) getBoundValue(bindVariables map[string]interface{}) string {
switch node.Type {
case '(':
return node.NodeAt(0).getBoundValue(bindVariables)
case STRING:
return string(node.Value)
case NUMBER:
val, err := strconv.ParseInt(string(node.Value), 10, 64)
if err != nil {
panic(NewParserError("%s", err.Error()))
}
return key.Uint64Key(val).String()
case VALUE_ARG:
value := node.findBindValue(bindVariables)
return key.EncodeValue(value)
}
panic("Unexpected token")
}
func (blp *BinlogPlayer) createIndexUpdates(dmlEvent *mysqlctl.BinlogResponse) (indexSql string) {
keyspaceIdUint, err := strconv.ParseUint(dmlEvent.KeyspaceId, 10, 64)
if err != nil {
panic(fmt.Errorf("Invalid keyspaceid '%v', error converting it, %v", dmlEvent.KeyspaceId, err))
}
keyspaceId := key.Uint64Key(keyspaceIdUint).KeyspaceId()
if !blp.keyrange.Contains(keyspaceId) {
panic(fmt.Errorf("Invalid keyspace id %v for range %v-%v", dmlEvent.KeyspaceId, blp.startPosition.KeyrangeStart, blp.startPosition.KeyrangeEnd))
}
if dmlEvent.IndexType != "" {
indexSql, err = createIndexSql(dmlEvent.SqlType, dmlEvent.IndexType, dmlEvent.IndexId, dmlEvent.UserId)
if err != nil {
panic(fmt.Errorf("Error creating index update sql - IndexType %v, IndexId %v, UserId %v Sql '%v', err: '%v'", dmlEvent.IndexType, dmlEvent.IndexId, dmlEvent.UserId, dmlEvent.Sql, err))
}
}
return
}
// ReadRecord returns a keyspaceId and a line from which it was
// extracted, with the keyspaceId stripped.
func (r KeyspaceCSVReader) ReadRecord() (keyspaceId key.KeyspaceId, line []byte, err error) {
k, err := r.reader.ReadString(r.delim)
if err != nil {
return key.MinKey, nil, err
}
kid, err := strconv.ParseUint(k[:len(k)-1], 10, 64)
if err != nil {
return key.MinKey, nil, err
}
keyspaceId = key.Uint64Key(kid).KeyspaceId()
defer r.buf.Reset()
escaped := false
inQuote := false
for {
b, err := r.reader.ReadByte()
if err != nil {
// Assumption: the csv file ends with a
// newline. Otherwise io.EOF should be treated
// separately.
return key.MinKey, nil, err
}
r.buf.WriteByte(b)
if escaped {
escaped = false
continue
}
switch b {
case '\\':
escaped = true
case '"':
inQuote = !inQuote
case '\n':
if !inQuote {
return keyspaceId, r.buf.Bytes(), nil
}
}
}
panic("unreachable")
}
func parseKeyspaceId(sql []byte, dmlType string) (keyspaceIdStr string, keyspaceId key.KeyspaceId) {
keyspaceIndex := bytes.Index(sql, KEYSPACE_ID_COMMENT)
if keyspaceIndex == -1 {
if controlDbStatement(sql, dmlType) {
relog.Warning("Ignoring no keyspace id, control db stmt %v", string(sql))
return
}
panic(NewBinlogParseError(fmt.Sprintf("Invalid Sql, doesn't contain keyspace id, sql: %v", string(sql))))
}
seekIndex := keyspaceIndex + len(KEYSPACE_ID_COMMENT)
keyspaceIdComment := sql[seekIndex:]
keyspaceIdStr = string(bytes.TrimSpace(bytes.SplitN(keyspaceIdComment, USER_ID, 2)[0]))
if keyspaceIdStr == "" {
panic(NewBinlogParseError(fmt.Sprintf("Invalid keyspace id, sql %v", string(sql))))
}
keyspaceIdUint, err := strconv.ParseUint(keyspaceIdStr, 10, 64)
if err != nil {
panic(NewBinlogParseError(fmt.Sprintf("Invalid keyspaceid, error converting it, sql %v", string(sql))))
}
keyspaceId = key.Uint64Key(keyspaceIdUint).KeyspaceId()
return keyspaceIdStr, keyspaceId
}
// KeyRangeFilterFunc returns a function that calls sendReply only if statements
// in the transaction match the specified keyrange. The resulting function can be
// passed into the BinlogStreamer: bls.Stream(file, pos, sendTransaction) ->
// bls.Stream(file, pos, KeyRangeFilterFunc(sendTransaction))
func KeyRangeFilterFunc(kit key.KeyspaceIdType, keyrange *pb.KeyRange, sendReply sendTransactionFunc) sendTransactionFunc {
isInteger := true
if kit == key.KIT_BYTES {
isInteger = false
}
return func(reply *proto.BinlogTransaction) error {
matched := false
filtered := make([]proto.Statement, 0, len(reply.Statements))
for _, statement := range reply.Statements {
switch statement.Category {
case proto.BL_SET:
filtered = append(filtered, statement)
case proto.BL_DDL:
log.Warningf("Not forwarding DDL: %s", string(statement.Sql))
continue
case proto.BL_DML:
keyspaceIndex := bytes.LastIndex(statement.Sql, KEYSPACE_ID_COMMENT)
if keyspaceIndex == -1 {
updateStreamErrors.Add("KeyRangeStream", 1)
log.Errorf("Error parsing keyspace id: %s", string(statement.Sql))
continue
}
idstart := keyspaceIndex + len(KEYSPACE_ID_COMMENT)
idend := bytes.Index(statement.Sql[idstart:], SPACE)
if idend == -1 {
updateStreamErrors.Add("KeyRangeStream", 1)
log.Errorf("Error parsing keyspace id: %s", string(statement.Sql))
continue
}
textId := string(statement.Sql[idstart : idstart+idend])
if isInteger {
id, err := strconv.ParseUint(textId, 10, 64)
if err != nil {
updateStreamErrors.Add("KeyRangeStream", 1)
log.Errorf("Error parsing keyspace id: %s", string(statement.Sql))
continue
}
if !key.KeyRangeContains(keyrange, key.Uint64Key(id).Bytes()) {
continue
}
} else {
data, err := base64.StdEncoding.DecodeString(textId)
if err != nil {
updateStreamErrors.Add("KeyRangeStream", 1)
log.Errorf("Error parsing keyspace id: %s", string(statement.Sql))
continue
}
if !key.KeyRangeContains(keyrange, data) {
continue
}
}
filtered = append(filtered, statement)
matched = true
case proto.BL_UNRECOGNIZED:
updateStreamErrors.Add("KeyRangeStream", 1)
log.Errorf("Error parsing keyspace id: %s", string(statement.Sql))
continue
}
}
if matched {
reply.Statements = filtered
} else {
reply.Statements = nil
}
return sendReply(reply)
}
}
// license that can be found in the LICENSE file.
package binlog
import (
"fmt"
"testing"
"github.com/youtube/vitess/go/vt/binlog/proto"
"github.com/youtube/vitess/go/vt/key"
pb "github.com/youtube/vitess/go/vt/proto/topodata"
)
var testKeyRange = &pb.KeyRange{
Start: key.Uint64Key(0).Bytes(),
End: key.Uint64Key(10).Bytes(),
}
func TestKeyRangeFilterPass(t *testing.T) {
input := proto.BinlogTransaction{
Statements: []proto.Statement{
{
Category: proto.BL_SET,
Sql: []byte("set1"),
}, {
Category: proto.BL_DML,
Sql: []byte("dml1 /* EMD keyspace_id:20 */"),
}, {
Category: proto.BL_DML,
Sql: []byte("dml2 /* EMD keyspace_id:2 */"),
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package binlog
import (
"fmt"
"testing"
"github.com/youtube/vitess/go/vt/binlog/proto"
"github.com/youtube/vitess/go/vt/key"
myproto "github.com/youtube/vitess/go/vt/mysqlctl/proto"
)
var testKeyRange = key.KeyRange{
Start: key.KeyspaceId(key.Uint64Key(0).String()),
End: key.KeyspaceId(key.Uint64Key(10).String()),
}
func TestKeyRangeFilterPass(t *testing.T) {
input := proto.BinlogTransaction{
Statements: []proto.Statement{
{
Category: proto.BL_SET,
Sql: []byte("set1"),
}, {
Category: proto.BL_DML,
Sql: []byte("dml1 /* EMD keyspace_id:20 */"),
}, {
Category: proto.BL_DML,
Sql: []byte("dml2 /* EMD keyspace_id:2 */"),
t.Fatalf("got a response when error expected: %v", se)
} else {
if !strings.Contains(err.Error(), "test-triggered panic") {
t.Errorf("wrong error from panic: %v", err)
}
}
}
//
// StreamKeyRange tests
//
var testKeyRangeRequest = &keyRangeRequest{
Position: "KeyRange starting position",
KeyRange: &topodatapb.KeyRange{
Start: key.Uint64Key(0x7000000000000000).Bytes(),
End: key.Uint64Key(0x9000000000000000).Bytes(),
},
Charset: &binlogdatapb.Charset{
Client: 12,
Conn: 13,
Server: 14,
},
}
var testBinlogTransaction = &binlogdatapb.BinlogTransaction{
Statements: []*binlogdatapb.BinlogTransaction_Statement{
{
Category: binlogdatapb.BinlogTransaction_Statement_BL_ROLLBACK,
Charset: &binlogdatapb.Charset{
Client: 120,
//
// StreamKeyRange tests
//
var testKeyRangeRequest = &proto.KeyRangeRequest{
Position: myproto.ReplicationPosition{
GTIDSet: myproto.MariadbGTID{
Domain: 1,
Server: 3456,
Sequence: 7890,
},
},
KeyspaceIdType: key.KIT_UINT64,
KeyRange: key.KeyRange{
Start: key.Uint64Key(0x7000000000000000).KeyspaceId(),
End: key.Uint64Key(0x9000000000000000).KeyspaceId(),
},
Charset: &mproto.Charset{
Client: 12,
Conn: 13,
Server: 14,
},
}
var testBinlogTransaction = &proto.BinlogTransaction{
Statements: []proto.Statement{
proto.Statement{
Category: proto.BL_ROLLBACK,
Charset: &mproto.Charset{
Client: 120,
