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[[query-dsl-and-filter]]
=== And Filter
A filter that matches documents using `AND` boolean operator on other
filters. Can be placed within queries that accept a filter.
[source,js]
--------------------------------------------------
{
"filtered" : {
"query" : {
"term" : { "name.first" : "shay" }
},
"filter" : {
"and" : [
{
"range" : {
"postDate" : {
"from" : "2010-03-01",
"to" : "2010-04-01"
}
}
},
{
"prefix" : { "name.second" : "ba" }
}
]
}
}
}
--------------------------------------------------
[float]
==== Caching
The result of the filter is not cached by default. The `_cache` can be
set to `true` in order to cache it (though usually not needed). Since
the `_cache` element requires to be set on the `and` filter itself, the
structure then changes a bit to have the filters provided within a
`filters` element:
[source,js]
--------------------------------------------------
{
"filtered" : {
"query" : {
"term" : { "name.first" : "shay" }
},
"filter" : {
"and" : {
"filters": [
{
"range" : {
"postDate" : {
"from" : "2010-03-01",
"to" : "2010-04-01"
}
}
},
{
"prefix" : { "name.second" : "ba" }
}
],
"_cache" : true
}
}
}
}
--------------------------------------------------
|
