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113 lines
2.7 KiB
113 lines
2.7 KiB
package hbase
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import (
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pb "github.com/golang/protobuf/proto"
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"github.com/pingcap/go-hbase/proto"
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"fmt"
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"math"
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"strings"
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)
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type Delete struct {
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Row []byte
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Families set
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FamilyQuals map[string]set
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Ts map[string]uint64
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}
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func NewDelete(row []byte) *Delete {
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return &Delete{
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Row: row,
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Families: newSet(),
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FamilyQuals: make(map[string]set),
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Ts: make(map[string]uint64),
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}
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}
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func (d *Delete) AddString(famqual string) error {
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parts := strings.Split(famqual, ":")
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if len(parts) > 2 {
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return fmt.Errorf("Too many colons were found in the family:qualifier string. '%s'", famqual)
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} else if len(parts) == 2 {
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d.AddStringColumn(parts[0], parts[1])
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} else {
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d.AddStringFamily(famqual)
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}
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return nil
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}
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func (d *Delete) GetRow() []byte {
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return d.Row
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}
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func (d *Delete) AddColumn(family, qual []byte) *Delete {
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d.AddFamily(family)
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d.FamilyQuals[string(family)].add(string(qual))
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return d
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}
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func (d *Delete) AddStringColumn(family, qual string) *Delete {
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return d.AddColumn([]byte(family), []byte(qual))
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}
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func (d *Delete) AddFamily(family []byte) *Delete {
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d.Families.add(string(family))
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if _, ok := d.FamilyQuals[string(family)]; !ok {
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d.FamilyQuals[string(family)] = newSet()
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}
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return d
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}
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func (d *Delete) AddStringFamily(family string) *Delete {
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return d.AddFamily([]byte(family))
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}
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func (d *Delete) AddColumnWithTimestamp(family, qual []byte, ts uint64) *Delete {
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d.AddColumn(family, qual)
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k := string(family) + ":" + string(qual)
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d.Ts[k] = ts
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return d
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}
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func (d *Delete) ToProto() pb.Message {
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del := &proto.MutationProto{
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Row: d.Row,
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MutateType: proto.MutationProto_DELETE.Enum(),
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}
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for family := range d.Families {
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cv := &proto.MutationProto_ColumnValue{
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Family: []byte(family),
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QualifierValue: make([]*proto.MutationProto_ColumnValue_QualifierValue, 0),
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}
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if len(d.FamilyQuals[family]) == 0 {
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cv.QualifierValue = append(cv.QualifierValue, &proto.MutationProto_ColumnValue_QualifierValue{
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Qualifier: nil,
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Timestamp: pb.Uint64(uint64(math.MaxInt64)),
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DeleteType: proto.MutationProto_DELETE_FAMILY.Enum(),
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})
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}
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for qual := range d.FamilyQuals[family] {
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v := &proto.MutationProto_ColumnValue_QualifierValue{
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Qualifier: []byte(qual),
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Timestamp: pb.Uint64(uint64(math.MaxInt64)),
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DeleteType: proto.MutationProto_DELETE_MULTIPLE_VERSIONS.Enum(),
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}
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tsKey := string(family) + ":" + string(qual)
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if ts, ok := d.Ts[tsKey]; ok {
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v.Timestamp = pb.Uint64(ts)
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v.DeleteType = proto.MutationProto_DELETE_ONE_VERSION.Enum()
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}
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cv.QualifierValue = append(cv.QualifierValue, v)
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}
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del.ColumnValue = append(del.ColumnValue, cv)
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}
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return del
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}
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