elasticsearch


Multi word partial search


i am very new to the Elastic search.
Like to know how to search partial multi word search.
\
for ex :
My document
{
"title":"harry porter"
}
i need this document with search with following string
1.)har por
same as sql query (select * from books where title like '%har%' or title like '%por%')
Using a completion suggester will provide most of the feature you want. It will find words starting with an arbitrary string, like "har" or "por".
Check out this question for a full example on how to set up a completion suggester.
As described in the documentation, you can achieve multi-word search (i.e. returning "harry horter" from a search for "por") by creating your analyzer with the option preserve_position_increments set to false
PUT books
{
"mappings": {
"book" : {
"properties" : {
"suggest" : {
"type" : "completion",
"preserve_position_increments": false
},
"title" : {
"type": "keyword"
}
}
}
}
}

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