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Type:
Improvement
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Resolution: Done
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Priority:
Major - P3
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Affects Version/s: 2.3.2
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Component/s: Text Search
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Labels:None
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Major Change
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Platform 6 07/17/15, Platform 8 08/28/15, Platform 7 08/10/15
e.g. for Russian queries, "Как" currently lowercases to itself, whereas it should lowercase to "как".
Needed for stopword removal, matching, etc.
> db.foo.insert({content:"Как дела?"})
> db.foo.ensureIndex({content:"text"},{default_language:"russian"})
> db.foo.runCommand("text",{search:"\"как дела\""})
{
"queryDebugString" : "дел||||как дела||",
"language" : "russian",
"results" : [ ],
"stats" : {
"nscanned" : 0,
"nscannedObjects" : 0,
"n" : 0,
"nfound" : 0,
"timeMicros" : 104
},
"ok" : 1
}
> db.foo.runCommand("text",{search:"\"Как дела\""})
{
"queryDebugString" : "Как|дел||||Как дела||",
"language" : "russian",
"results" : [
{
"score" : 1,
"obj" : {
"_id" : ObjectId("510aa82ddb47733460b47eff"),
"content" : "Как дела?"
}
}
],
"stats" : {
"nscanned" : 1,
"nscannedObjects" : 0,
"n" : 1,
"nfound" : 1,
"timeMicros" : 118
},
"ok" : 1
}
>
- depends on
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SERVER-19557 Create Text Index v3
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- Closed
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- is documented by
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DOCS-9550 Docs for SERVER-8423: Text search case folding needs utf-8 support
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- Closed
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- is duplicated by
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- Closed
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- Closed
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