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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