I have created an analyzer that should simply lowercase a field. I do this
because I want to be able to filter on full phrases in this field ( eg,
north dakota ).
My problem is that when I perform a filter against this field, the search
phrase must now be lowercased. ( eg. "north dakota" works, but "North
Dakota" does not ).
Must I lowercase the filter phrase on my application end, or is there a way
to have Elasticsearch do it when a search is performed?
INDEX
{
"index" : {
"number_of_shards" : 5,
"number_of_replicas" : 1,
"analysis" : {
"analyzer" : {
"string_lowercase" : {
"tokenizer" : "keyword",
"filter" : "lowercase"
}
}
}
}
}
MAPPING
{
"company" : {
"properties" : {
"locations" : {
"type" : "nested",
"include_in_root" : true,
"properties" : {
"state" : {
"type" : "string",
"index" : "analyzed",
"analyzer" : "string_lowercase",
"include_in_all" : true
}
}
}
}
}
}
QUERY
{
"query": {
"filtered": {
"filter": {
"term": {
"locations.city": "Port washington"
}
},
"query": {
"match_all": []
}
}
}
}
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