/
query.go
265 lines (252 loc) · 7.03 KB
/
query.go
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package search
import (
"encoding/json"
"errors"
"fmt"
"github.com/aliyun/aliyun-tablestore-go-sdk/tablestore/otsprotocol"
)
type QueryType int
const (
QueryType_None QueryType = 0
QueryType_MatchQuery QueryType = 1
QueryType_MatchPhraseQuery QueryType = 2
QueryType_TermQuery QueryType = 3
QueryType_RangeQuery QueryType = 4
QueryType_PrefixQuery QueryType = 5
QueryType_BoolQuery QueryType = 6
QueryType_ConstScoreQuery QueryType = 7
QueryType_FunctionScoreQuery QueryType = 8
QueryType_NestedQuery QueryType = 9
QueryType_WildcardQuery QueryType = 10
QueryType_MatchAllQuery QueryType = 11
QueryType_GeoBoundingBoxQuery QueryType = 12
QueryType_GeoDistanceQuery QueryType = 13
QueryType_GeoPolygonQuery QueryType = 14
QueryType_TermsQuery QueryType = 15
QueryType_ExistsQuery QueryType = 16
QueryType_KnnVectorQuery QueryType = 17
QueryType_FunctionsScoreQuery QueryType = 18
)
func (q QueryType) String() string {
switch q {
case QueryType_MatchQuery:
return "MatchQuery"
case QueryType_MatchPhraseQuery:
return "MatchPhraseQuery"
case QueryType_TermQuery:
return "TermQuery"
case QueryType_RangeQuery:
return "RangeQuery"
case QueryType_PrefixQuery:
return "PrefixQuery"
case QueryType_BoolQuery:
return "BoolQuery"
case QueryType_ConstScoreQuery:
return "ConstScoreQuery"
case QueryType_FunctionScoreQuery:
return "FunctionScoreQuery"
case QueryType_NestedQuery:
return "NestedQuery"
case QueryType_WildcardQuery:
return "WildcardQuery"
case QueryType_MatchAllQuery:
return "MatchAllQuery"
case QueryType_GeoBoundingBoxQuery:
return "GeoBoundingBoxQuery"
case QueryType_GeoDistanceQuery:
return "GeoDistanceQuery"
case QueryType_GeoPolygonQuery:
return "GeoPolygonQuery"
case QueryType_TermsQuery:
return "TermsQuery"
case QueryType_ExistsQuery:
return "ExistsQuery"
case QueryType_KnnVectorQuery:
return "KnnVectorQuery"
case QueryType_FunctionsScoreQuery:
return "FunctionsScoreQuery"
}
return ""
}
func UnmarshalQuery(name string, data json.RawMessage) (Query, error) {
var err error
switch name {
case "MatchQuery":
q := &MatchQuery{}
err = json.Unmarshal(data, q)
return q, err
case "MatchPhraseQuery":
q := &MatchPhraseQuery{}
err = json.Unmarshal(data, q)
return q, err
case "TermQuery":
q := &TermQuery{}
err = json.Unmarshal(data, q)
return q, err
case "RangeQuery":
q := &RangeQuery{}
err = json.Unmarshal(data, q)
return q, err
case "PrefixQuery":
q := &PrefixQuery{}
err = json.Unmarshal(data, q)
return q, err
case "BoolQuery":
q := &BoolQuery{}
err = json.Unmarshal(data, q)
return q, err
case "ConstScoreQuery":
q := &ConstScoreQuery{}
err = json.Unmarshal(data, q)
return q, err
case "FunctionScoreQuery":
q := &FunctionScoreQuery{}
err = json.Unmarshal(data, q)
return q, err
case "NestedQuery":
q := &NestedQuery{}
err = json.Unmarshal(data, q)
return q, err
case "WildcardQuery":
q := &WildcardQuery{}
err = json.Unmarshal(data, q)
return q, err
case "MatchAllQuery":
q := &MatchAllQuery{}
err = json.Unmarshal(data, q)
return q, err
case "GeoBoundingBoxQuery":
q := &GeoBoundingBoxQuery{}
err = json.Unmarshal(data, q)
return q, err
case "GeoDistanceQuery":
q := &GeoDistanceQuery{}
err = json.Unmarshal(data, q)
return q, err
case "GeoPolygonQuery":
q := &GeoPolygonQuery{}
err = json.Unmarshal(data, q)
return q, err
case "TermsQuery":
q := &TermsQuery{}
err = json.Unmarshal(data, q)
return q, err
case "ExistsQuery":
q := &ExistsQuery{}
err = json.Unmarshal(data, q)
return q, err
case "KnnVectorQuery":
q := &KnnVectorQuery{}
err = json.Unmarshal(data, q)
return q, err
case "FunctionsScoreQuery":
q := &FunctionsScoreQuery{}
err = json.Unmarshal(data, q)
return q, err
}
return nil, errors.New(fmt.Sprintf("Unknown query type: %s.", name))
}
func ToQueryType(q string) QueryType {
switch q {
case "MatchQuery":
return QueryType_MatchQuery
case "MatchPhraseQuery":
return QueryType_MatchPhraseQuery
case "TermQuery":
return QueryType_TermQuery
case "RangeQuery":
return QueryType_RangeQuery
case "PrefixQuery":
return QueryType_PrefixQuery
case "BoolQuery":
return QueryType_BoolQuery
case "ConstScoreQuery":
return QueryType_ConstScoreQuery
case "FunctionScoreQuery":
return QueryType_FunctionScoreQuery
case "NestedQuery":
return QueryType_NestedQuery
case "WildcardQuery":
return QueryType_WildcardQuery
case "MatchAllQuery":
return QueryType_MatchAllQuery
case "GeoBoundingBoxQuery":
return QueryType_GeoBoundingBoxQuery
case "GeoDistanceQuery":
return QueryType_GeoDistanceQuery
case "GeoPolygonQuery":
return QueryType_GeoPolygonQuery
case "TermsQuery":
return QueryType_TermsQuery
case "ExistsQuery":
return QueryType_ExistsQuery
case "KnnVectorQuery":
return QueryType_KnnVectorQuery
case "FunctionsScoreQuery":
return QueryType_FunctionsScoreQuery
}
return QueryType_None
}
func (q QueryType) Enum() *QueryType {
newQuery := q
return &newQuery
}
func (q QueryType) ToPB() *otsprotocol.QueryType {
switch q {
case QueryType_None:
return nil
case QueryType_MatchQuery:
return otsprotocol.QueryType_MATCH_QUERY.Enum()
case QueryType_MatchPhraseQuery:
return otsprotocol.QueryType_MATCH_PHRASE_QUERY.Enum()
case QueryType_TermQuery:
return otsprotocol.QueryType_TERM_QUERY.Enum()
case QueryType_RangeQuery:
return otsprotocol.QueryType_RANGE_QUERY.Enum()
case QueryType_PrefixQuery:
return otsprotocol.QueryType_PREFIX_QUERY.Enum()
case QueryType_BoolQuery:
return otsprotocol.QueryType_BOOL_QUERY.Enum()
case QueryType_ConstScoreQuery:
return otsprotocol.QueryType_CONST_SCORE_QUERY.Enum()
case QueryType_FunctionScoreQuery:
return otsprotocol.QueryType_FUNCTION_SCORE_QUERY.Enum()
case QueryType_NestedQuery:
return otsprotocol.QueryType_NESTED_QUERY.Enum()
case QueryType_WildcardQuery:
return otsprotocol.QueryType_WILDCARD_QUERY.Enum()
case QueryType_MatchAllQuery:
return otsprotocol.QueryType_MATCH_ALL_QUERY.Enum()
case QueryType_GeoBoundingBoxQuery:
return otsprotocol.QueryType_GEO_BOUNDING_BOX_QUERY.Enum()
case QueryType_GeoDistanceQuery:
return otsprotocol.QueryType_GEO_DISTANCE_QUERY.Enum()
case QueryType_GeoPolygonQuery:
return otsprotocol.QueryType_GEO_POLYGON_QUERY.Enum()
case QueryType_TermsQuery:
return otsprotocol.QueryType_TERMS_QUERY.Enum()
case QueryType_ExistsQuery:
return otsprotocol.QueryType_EXISTS_QUERY.Enum()
case QueryType_KnnVectorQuery:
return otsprotocol.QueryType_KNN_VECTOR_QUERY.Enum()
case QueryType_FunctionsScoreQuery:
return otsprotocol.QueryType_FUNCTIONS_SCORE_QUERY.Enum()
default:
panic("unexpected")
}
}
type Query interface {
Type() QueryType
Serialize() ([]byte, error)
ProtoBuffer() (*otsprotocol.Query, error)
}
func BuildPBForQuery(q Query) (*otsprotocol.Query, error) {
query := &otsprotocol.Query{}
query.Type = q.Type().ToPB()
data, err := q.Serialize()
if err != nil {
return nil, err
}
query.Query = data
return query, nil
}