Language-Specific Stemming
t = db.search; t.drop();
t.save( { _id: 1, title: "mi blog", post: "Este es un blog de prueba" } );
t.save( { _id: 2, title: "cuchillos son divertido", post: "Es mi tercer blog stemmed" } );
t.save( { _id: 3, title: "My fourth blog", post: "This stemmed blog is in english" } );
t.createIndex( { title: "text", post: "text" }, *{ default_language: "spanish" }* );
*t.runCommand( "text", { search: "blog" } );*
{
"queryDebugString" : "*blog*||||||",
*"language" : "spanish",*
"results" : [
{
"score" : 1.75,
"obj" : { "_id" : 1, "title" : "mi *blog*",
"post" : "Este es un *blog* de prueba" }
},
{
"score" : 1.4166666666666665,
"obj" : { "_id" : 3, "title" : "My fourth *blog*",
"post" : "This stemmed *blog* is in english" }
},
{
"score" : 0.6666666666666666,
"obj" : { "_id" : 2, "title" : "cuchillos son divertidos",
"post" : "Es mi tercer *blog* stemmed" }
}
],
*t.runCommand( "text", { search: "stem" } );*
{
"queryDebugString" : "*stem*||||||",
"language" : *"spanish",*
"results" : [
{
"score" : 0.6666666666666666,
"obj" : {
"_id" : 3,
"title" : "My fourth blog",
"post" : "This *stemmed* blog is in english"
}
}
],
*t.runCommand( "text", { search: "stemmed" } );*
{
"queryDebugString" : "*stemm*||||||",
"language" : "spanish",
"results" : [
{
"score" : 0.6666666666666666,
"obj" : {
"_id" : 2,
"title" : "cuchillos son divertidos",
"post" : "Es mi tercer blog *stemmed*"
}
}
],
*t.runCommand( "text", {search: "stemmed", language: "english" } );*
{
"queryDebugString" : "*stem*||||||",
*"language" : "english",*
"results" : [
{
"score" : 0.6666666666666666,
"obj" : {
"_id" : 3,
"title" : "My fourth blog",
"post" : "This *stemmed* blog is in english"
}
}
],