f225d484b3
many bugs fixed in existing search phrase query updated to support gaps in term sequence new query types all,none,match,phrase match and new query syntax search, like google search: +/-(optional field qualifier:)<term or quoted phrase>
96 lines
2.3 KiB
Go
96 lines
2.3 KiB
Go
// Copyright (c) 2014 Couchbase, Inc.
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
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// except in compliance with the License. You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software distributed under the
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// License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific language governing permissions
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// and limitations under the License.
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package search
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import (
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"encoding/json"
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"fmt"
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"log"
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"github.com/couchbaselabs/bleve/document"
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"github.com/couchbaselabs/bleve/index"
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)
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type Query interface {
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Boost() float64
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Searcher(index index.Index) (Searcher, error)
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Validate() error
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}
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func ParseQuery(input []byte, mapping document.Mapping) (Query, error) {
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var tmp map[string]interface{}
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err := json.Unmarshal(input, &tmp)
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if err != nil {
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return nil, err
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}
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_, isTermQuery := tmp["term"]
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if isTermQuery {
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var rv TermQuery
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err := json.Unmarshal(input, &rv)
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if err != nil {
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return nil, err
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}
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return &rv, nil
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}
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_, isMatchQuery := tmp["match"]
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if isMatchQuery {
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log.Printf("detected match query")
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var rv MatchQuery
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rv.mapping = mapping
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err := json.Unmarshal(input, &rv)
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if err != nil {
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return nil, err
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}
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return &rv, nil
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}
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_, isMatchPhraseQuery := tmp["match_phrase"]
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if isMatchPhraseQuery {
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log.Printf("detected match phrase query")
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var rv MatchPhraseQuery
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rv.mapping = mapping
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err := json.Unmarshal(input, &rv)
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if err != nil {
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return nil, err
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}
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return &rv, nil
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}
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_, hasMust := tmp["must"]
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_, hasShould := tmp["should"]
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_, hasMustNot := tmp["must_not"]
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if hasMust || hasShould || hasMustNot {
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var rv TermBooleanQuery
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rv.mapping = mapping
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err := json.Unmarshal(input, &rv)
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if err != nil {
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return nil, err
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}
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return &rv, nil
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}
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_, hasTerms := tmp["terms"]
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if hasTerms {
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var rv PhraseQuery
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err := json.Unmarshal(input, &rv)
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if err != nil {
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return nil, err
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}
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return &rv, nil
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}
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_, hasSyntaxQuery := tmp["query"]
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if hasSyntaxQuery {
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var rv SyntaxQuery
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rv.mapping = mapping
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err := json.Unmarshal(input, &rv)
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if err != nil {
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return nil, err
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}
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return &rv, nil
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}
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return nil, fmt.Errorf("Unrecognized query")
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}
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