You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
106 lines
2.1 KiB
106 lines
2.1 KiB
package hbase
|
|
|
|
import (
|
|
"strings"
|
|
|
|
pb "github.com/golang/protobuf/proto"
|
|
"github.com/juju/errors"
|
|
"github.com/pingcap/go-hbase/proto"
|
|
)
|
|
|
|
type Get struct {
|
|
Row []byte
|
|
Families set
|
|
FamilyQuals map[string]set
|
|
Versions int32
|
|
TsRangeFrom uint64
|
|
TsRangeTo uint64
|
|
}
|
|
|
|
func NewGet(row []byte) *Get {
|
|
return &Get{
|
|
Row: append([]byte(nil), row...),
|
|
Families: newSet(),
|
|
FamilyQuals: make(map[string]set),
|
|
Versions: 1,
|
|
}
|
|
}
|
|
|
|
func (g *Get) GetRow() []byte {
|
|
return g.Row
|
|
}
|
|
|
|
func (g *Get) AddString(famqual string) error {
|
|
parts := strings.Split(famqual, ":")
|
|
|
|
if len(parts) > 2 {
|
|
return errors.Errorf("Too many colons were found in the family:qualifier string. '%s'", famqual)
|
|
} else if len(parts) == 2 {
|
|
g.AddStringColumn(parts[0], parts[1])
|
|
} else {
|
|
g.AddStringFamily(famqual)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (g *Get) AddColumn(family, qual []byte) *Get {
|
|
g.AddFamily(family)
|
|
g.FamilyQuals[string(family)].add(string(qual))
|
|
return g
|
|
}
|
|
|
|
func (g *Get) AddStringColumn(family, qual string) *Get {
|
|
return g.AddColumn([]byte(family), []byte(qual))
|
|
}
|
|
|
|
func (g *Get) AddFamily(family []byte) *Get {
|
|
g.Families.add(string(family))
|
|
if _, ok := g.FamilyQuals[string(family)]; !ok {
|
|
g.FamilyQuals[string(family)] = newSet()
|
|
}
|
|
return g
|
|
}
|
|
|
|
func (g *Get) AddStringFamily(family string) *Get {
|
|
return g.AddFamily([]byte(family))
|
|
}
|
|
|
|
func (g *Get) AddTimeRange(from uint64, to uint64) *Get {
|
|
g.TsRangeFrom = from
|
|
g.TsRangeTo = to
|
|
return g
|
|
}
|
|
|
|
func (g *Get) SetMaxVersion(maxVersion int32) *Get {
|
|
g.Versions = maxVersion
|
|
return g
|
|
}
|
|
|
|
func (g *Get) ToProto() pb.Message {
|
|
get := &proto.Get{
|
|
Row: g.Row,
|
|
}
|
|
|
|
if g.TsRangeFrom != 0 && g.TsRangeTo != 0 && g.TsRangeFrom <= g.TsRangeTo {
|
|
get.TimeRange = &proto.TimeRange{
|
|
From: pb.Uint64(g.TsRangeFrom),
|
|
To: pb.Uint64(g.TsRangeTo),
|
|
}
|
|
}
|
|
|
|
for v := range g.Families {
|
|
col := &proto.Column{
|
|
Family: []byte(v),
|
|
}
|
|
var quals [][]byte
|
|
for qual := range g.FamilyQuals[v] {
|
|
quals = append(quals, []byte(qual))
|
|
}
|
|
col.Qualifier = quals
|
|
get.Column = append(get.Column, col)
|
|
}
|
|
get.MaxVersions = pb.Uint32(uint32(g.Versions))
|
|
return get
|
|
}
|