I have a list, array or whichever language you are familiar. E.g. names : ["John","Bas","Peter"]
and I want to query the name
field if it matches one of those names.
One way is with OR Filter. e.g.
{
"filtered" : {
"query" : {
"match_all": {}
},
"filter" : {
"or" : [
{
"term" : { "name" : "John" }
},
{
"term" : { "name" : "Bas" }
},
{
"term" : { "name" : "Peter" }
}
]
}
}
}
Any fancier way? Better if it's a query than a filter.
{
"query": {
"filtered" : {
"filter" : {
"terms": {
"name": ["John","Bas","Peter"]
}
}
}
}
}
Which Elasticsearch rewrites as if you hat used this one
{
"query": {
"filtered" : {
"filter" : {
"bool": {
"should": [
{
"term": {
"name": "John"
}
},
{
"term": {
"name": "Bas"
}
},
{
"term": {
"name": "Peter"
}
}
]
}
}
}
}
}
When using a boolean filter, most of the time, it is better to use the bool
filter than and
or or
. The reason is explained on the Elasticsearch blog: http://www.elasticsearch.org/blog/all-about-elasticsearch-filter-bitsets/
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