Does anyone have an idea hot to escape < and > in a query ???
07 август 2014, четвъртък, 18:27:08 UTC+3, Tihomir Lichev написа:
>
> Hello,
> I recently discovered very interesting problem
>
> The analyzer is *whitespace:*
> {
> "mappings": {
> "test": {
> "properties": {
> "title": {
> "analyzer": "whitespace",
> "type": "string"
> },
> "description": {
> "analyzer": "whitespace",
> "type": "string"
> }
> }
> }
> }
> }
>
>
> I have 3 documents with the following content:
> {
> "id": 1,
> "title" : "testing123",
> "description" : "a description"
> }
> {
> "id": 2,
> "title" : "testing >end",
> "description" : "another description"
> }
> {
> "id": 3,
> "title" : "testing <end",
> "description" : "another description"
> }
>
>
> Then I did the following search queries:
> {
> "query": {
>
> "bool": {
> "should": [
> {
> "query_string": {
> "query": ">end",
> "fields": [
> "title"
> ]
> }
> }
> ]
> }
> }
> }
>
> RESULT: 3 hits (all docs) - wrong
> EXPLAIN description: "ConstantScore(title:{end TO *]), product of:"
>
> {
> "query": {
>
> "bool": {
> "should": [
> {
> "query_string": {
> "query": "<end",
> "fields": [
> "title"
> ]
> }
> }
> ]
> }
> }
> }
>
> RESULT: 3 hits (all docs) - wrong
> EXPLAIN description: "ConstantScore(title:[* TO end}), product of:"
>
> {
> "query": {
>
> "bool": {
> "should": [
> {
> "query_string": {
> "query": "end",
> "fields": [
> "title"
> ]
> }
> }
> ]
> }
> }
> }
>
> RESULT: 0 hits (correct!)
>
> I tried to escape "<" and ">" in the query, but no success
>
> Search for < and > in the elasticsearch and lucene docs - also no luck.
> Obvoiusly they are recognized as range operators, but I want to use them
> also as normal text symbols.
> Is there any way to escape them properly ?
>
>
>
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