Ejemplo n.º 1
0
func SeekAndCopySyncPkg(it *Iterator, p *proto.PkgMultiOp,
	migration bool, migSlotId uint16) bool {
	p.PkgFlag &^= 0xFF
	p.ErrCode = 0
	p.Kvs = nil

	var size = 0
	for i := 0; i < 10 && size < 400 && it.Valid(); i++ {
		var kv proto.KeyValue
		dbId, slotId, ok := seekAndCopySyncKV(it, &kv)
		if !ok {
			return false
		}
		if migration && migSlotId != slotId {
			if migSlotId < slotId {
				return false
			} else if migSlotId > slotId {
				seekToSlot(it, migSlotId, 0, 0)
				if !it.Valid() {
					return false
				}
				dbId, slotId, ok = seekAndCopySyncKV(it, &kv)
				if !ok || migSlotId != slotId {
					return false
				}
			}
		}

		if len(p.Kvs) == 0 {
			p.DbId = dbId
		} else if p.DbId != dbId {
			return true
		}

		p.Kvs = append(p.Kvs, kv)
		size += 13 + len(kv.RowKey) + len(kv.ColKey) + len(kv.Value)
		it.Next()
	}

	return true
}
Ejemplo n.º 2
0
// MGet, MSet, MDel, MIncr, ZMGet, ZMSet, ZMDel, ZMIncr
func (c *Context) goMultiOp(zop bool, args multiArgs, cmd uint8,
	done chan *Call) (*Call, error) {
	call := c.cli.newCall(cmd, done)
	if call.err != nil {
		return call, call.err
	}

	var p proto.PkgMultiOp
	p.Seq = call.seq
	p.DbId = c.dbId
	p.Cmd = call.cmd

	// ZMGet, ZMSet, ZMDel, ZMIncr
	if zop {
		p.PkgFlag |= proto.FlagZop
	}

	p.Kvs = make([]proto.KeyValue, args.length())
	args.toKV(p.Kvs)

	var pkgLen = p.Length()
	if pkgLen > proto.MaxPkgLen {
		c.cli.errCall(call, ErrInvPkgLen)
		return call, call.err
	}

	call.pkg = make([]byte, pkgLen)
	_, err := p.Encode(call.pkg)
	if err != nil {
		c.cli.errCall(call, err)
		return call, err
	}

	c.cli.sending <- call

	return call, nil
}
Ejemplo n.º 3
0
func TestTableZScan(t *testing.T) {
	// MZSET
	{
		var in proto.PkgMultiOp
		in.Cmd = proto.CmdMSet
		in.DbId = 2
		in.Seq = 20
		in.PkgFlag |= proto.FlagZop
		in.Kvs = append(in.Kvs, getTestKV(2, []byte("row2"), []byte("col0"), []byte("v0"), 40, 0))
		in.Kvs = append(in.Kvs, getTestKV(2, []byte("row2"), []byte("col1"), []byte("v1"), 30, 0))
		in.Kvs = append(in.Kvs, getTestKV(2, []byte("row2"), []byte("col2"), []byte("v2"), 20, 0))
		in.Kvs = append(in.Kvs, getTestKV(2, []byte("row2"), []byte("col3"), []byte("v3"), 10, 0))
		in.Kvs = append(in.Kvs, getTestKV(2, []byte("row2"), []byte("col4"), []byte("v4"), 0, 0))

		myMSet(in, testAuth, getTestWA(), true, t)
	}

	// ZSCAN ASC order by SCORE
	var in proto.PkgScanReq
	in.Cmd = proto.CmdScan
	in.DbId = 2
	in.Seq = 20
	in.Num = 10
	in.TableId = 2
	in.RowKey = []byte("row2")
	in.SetScore(-1)
	in.ColKey = []byte("")
	in.PkgFlag |= proto.FlagScanAsc
	in.SetColSpace(proto.ColSpaceScore1) // order by SCORE

	out := myScan(in, testAuth, t)
	if len(out.Kvs) != 5 {
		t.Fatalf("Invalid KV number: %d", len(out.Kvs))
	}
	if out.PkgFlag&proto.FlagScanEnd == 0 {
		t.Fatalf("Scan should end")
	}
	for i := 0; i < len(out.Kvs); i++ {
		idx := 4 - i
		if out.Kvs[i].ErrCode != 0 {
			t.Fatalf("ErrCode is 0")
		}
		if out.Kvs[i].TableId != 2 {
			t.Fatalf("TableId mismatch")
		}
		if bytes.Compare(out.Kvs[i].RowKey, []byte("row2")) != 0 {
			t.Fatalf("RowKey mismatch")
		}
		if bytes.Compare(out.Kvs[i].ColKey, []byte(fmt.Sprintf("col%d", idx))) != 0 {
			t.Fatalf("ColKey mismatch")
		}
		if out.Kvs[i].Score != int64(i*10) {
			t.Fatalf("Score mismatch")
		}
		if bytes.Compare(out.Kvs[i].Value, []byte(fmt.Sprintf("v%d", idx))) != 0 {
			t.Fatalf("Value mismatch")
		}
	}

	// ZSCAN DESC order by SCORE
	in.PkgFlag &^= 0xFF
	in.PkgFlag |= proto.FlagScanKeyStart

	out = myScan(in, testAuth, t)
	if len(out.Kvs) != 5 {
		t.Fatalf("Invalid KV number: %d", len(out.Kvs))
	}
	if out.PkgFlag&proto.FlagScanEnd == 0 {
		t.Fatalf("Scan should end")
	}
	for i := 0; i < len(out.Kvs); i++ {
		idx := 4 - i
		if out.Kvs[i].ErrCode != 0 {
			t.Fatalf("ErrCode is 0")
		}
		if out.Kvs[i].TableId != 2 {
			t.Fatalf("TableId mismatch")
		}
		if bytes.Compare(out.Kvs[i].RowKey, []byte("row2")) != 0 {
			t.Fatalf("RowKey mismatch")
		}
		if bytes.Compare(out.Kvs[i].ColKey, []byte(fmt.Sprintf("col%d", i))) != 0 {
			t.Fatalf("ColKey mismatch")
		}
		if out.Kvs[i].Score != int64(idx*10) {
			t.Fatalf("Score mismatch")
		}
		if bytes.Compare(out.Kvs[i].Value, []byte(fmt.Sprintf("v%d", i))) != 0 {
			t.Fatalf("Value mismatch")
		}
	}
}