Exemplo n.º 1
0
func (c *Context) goScan(zop bool, tableId uint8, rowKey, colKey []byte,
	score int64, start, asc, orderByScore bool, num int,
	done chan *Call) (*Call, error) {
	call := c.cli.newCall(proto.CmdScan, done)
	if call.err != nil {
		return call, call.err
	}

	if num < 1 {
		c.cli.errCall(call, ErrInvScanNum)
		return call, call.err
	}

	var p proto.PkgScanReq
	p.Seq = call.seq
	p.DbId = c.dbId
	p.Cmd = call.cmd
	if asc {
		p.PkgFlag |= proto.FlagScanAsc
	}
	if start {
		p.PkgFlag |= proto.FlagScanKeyStart
	}
	p.Num = uint16(num)
	p.TableId = tableId
	p.RowKey = rowKey
	p.ColKey = colKey

	// ZScan
	if zop {
		p.PkgFlag |= proto.FlagZop
		p.SetScore(score)
		if orderByScore {
			p.SetColSpace(proto.ColSpaceScore1)
		} else {
			p.SetColSpace(proto.ColSpaceScore2)
		}
	}

	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
	}

	call.ctx = scanContext{tableId, rowKey, zop, asc, orderByScore, num}
	c.cli.sending <- call

	return call, nil
}
Exemplo n.º 2
0
func myScan(in proto.PkgScanReq, au Authorize, t *testing.T) proto.PkgScanResp {
	var pkg = make([]byte, in.Length())
	_, err := in.Encode(pkg)
	if err != nil {
		t.Fatalf("Encode failed: ", err)
	}

	pkg = testTbl.Scan(&PkgArgs{in.Cmd, in.DbId, in.Seq, pkg}, au)

	var out proto.PkgScanResp
	_, err = out.Decode(pkg)
	if err != nil {
		t.Fatalf("Decode failed: ", err)
	}

	if out.ErrCode != 0 {
		t.Fatalf("Failed with ErrCode %d", out.ErrCode)
	}
	if out.DbId != in.DbId || out.Seq != in.Seq {
		t.Fatalf("DbId/Seq mismatch")
	}

	return out
}