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search_query.go
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search_query.go
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package search
import (
"github.com/aliyun/aliyun-tablestore-go-sdk/v5/tablestore/otsprotocol"
"github.com/golang/protobuf/proto"
)
type SearchQuery interface {
Serialize() ([]byte, error)
}
type searchQuery struct {
Offset int32
Limit int32
Query Query
Collapse *Collapse
Sort *Sort
GetTotalCount bool
Token []byte
Aggregations []Aggregation
GroupBys []GroupBy
}
func NewSearchQuery() *searchQuery {
return &searchQuery{
Offset: -1,
Limit: -1,
GetTotalCount: false,
}
}
func (s *searchQuery) SetOffset(offset int32) *searchQuery {
s.Offset = offset
return s
}
func (s *searchQuery) SetLimit(limit int32) *searchQuery {
s.Limit = limit
return s
}
func (s *searchQuery) SetQuery(query Query) *searchQuery {
s.Query = query
return s
}
func NewAvgAggregation(name string, fieldName string) *AvgAggregation {
return &AvgAggregation {
AggName: name,
Field: fieldName,
}
}
func NewDistinctCountAggregation(name string, fieldName string) *DistinctCountAggregation {
return &DistinctCountAggregation {
AggName: name,
Field: fieldName,
}
}
func NewMaxAggregation(name string, fieldName string) *MaxAggregation {
return &MaxAggregation {
AggName: name,
Field: fieldName,
}
}
func NewMinAggregation(name string, fieldName string) *MinAggregation {
return &MinAggregation {
AggName: name,
Field: fieldName,
}
}
func NewSumAggregation(name string, fieldName string) *SumAggregation {
return &SumAggregation {
AggName: name,
Field: fieldName,
}
}
func NewCountAggregation(name string, fieldName string) *CountAggregation {
return &CountAggregation {
AggName: name,
Field: fieldName,
}
}
//
func NewGroupByField(name string, fieldName string) *GroupByField {
return &GroupByField {
AggName: name,
Field: fieldName,
}
}
func NewGroupByRange(name string, fieldName string) *GroupByRange {
return &GroupByRange {
AggName: name,
Field: fieldName,
}
}
func NewGroupByFilter(name string) *GroupByFilter {
return &GroupByFilter {
AggName: name,
}
}
func NewGroupByGeoDistance(name string, fieldName string, origin GeoPoint) *GroupByGeoDistance {
return &GroupByGeoDistance {
AggName: name,
Field: fieldName,
Origin: origin,
}
}
func (s *searchQuery) Aggregation(agg ...Aggregation) *searchQuery {
for i := 0; i < len(agg); i++ {
s.Aggregations = append(s.Aggregations, agg[i])
}
return s
}
func (s *searchQuery) GroupBy(groupBy ...GroupBy) *searchQuery {
for i := 0; i < len(groupBy); i++ {
s.GroupBys = append(s.GroupBys, groupBy[i])
}
return s
}
func (s *searchQuery) SetCollapse(collapse *Collapse) *searchQuery {
s.Collapse = collapse
return s
}
func (s *searchQuery) SetSort(sort *Sort) *searchQuery {
s.Sort = sort
return s
}
func (s *searchQuery) SetGetTotalCount(getTotalCount bool) *searchQuery {
s.GetTotalCount = getTotalCount
return s
}
func (s *searchQuery) SetToken(token []byte) *searchQuery {
s.Token = token
s.Sort = nil
return s
}
func (s *searchQuery) Serialize() ([]byte, error) {
searchQuery := &otsprotocol.SearchQuery{}
if s.Offset >= 0 {
searchQuery.Offset = &s.Offset
}
if s.Limit >= 0 {
searchQuery.Limit = &s.Limit
}
if s.Query != nil {
pbQuery, err := s.Query.ProtoBuffer()
if err != nil {
return nil, err
}
searchQuery.Query = pbQuery
}
if s.Collapse != nil {
pbCollapse, err := s.Collapse.ProtoBuffer()
if err != nil {
return nil, err
}
searchQuery.Collapse = pbCollapse
}
if s.Sort != nil {
pbSort, err := s.Sort.ProtoBuffer()
if err != nil {
return nil, err
}
searchQuery.Sort = pbSort
}
searchQuery.GetTotalCount = &s.GetTotalCount
if s.Token != nil && len(s.Token) > 0 {
searchQuery.Token = s.Token
}
if len(s.Aggregations) > 0 {
pbAggregations := new(otsprotocol.Aggregations)
for _, aggregation := range s.Aggregations {
pbAggregation, err := aggregation.ProtoBuffer()
if err != nil {
return nil, err
}
pbAggregations.Aggs = append(pbAggregations.Aggs, pbAggregation)
}
searchQuery.Aggs = pbAggregations
}
if len(s.GroupBys) > 0 {
pbGroupBys := new(otsprotocol.GroupBys)
for _, groupBy := range s.GroupBys {
pbGroupBy, err := groupBy.ProtoBuffer()
if err != nil {
return nil, err
}
pbGroupBys.GroupBys = append(pbGroupBys.GroupBys, pbGroupBy)
}
searchQuery.GroupBys = pbGroupBys
}
data, err := proto.Marshal(searchQuery)
return data, err
}