これは、可用性範囲をネストされたオブジェクトとして保存し、ネストされたクエリまたはフィルターを使用して、開始日と終了日の両方が目的の日付範囲に含まれることを確認することで実行できます。このチェックは、日付範囲クエリを含む2つのmust句を指定したブールクエリを使用して実行できます。例えば:
# Delete old version to make sure new settings are applied
curl -XDELETE "localhost:9200/dates-test/"
echo
# Create a new index with proper mapping
# See http://www.elasticsearch.org/guide/reference/index-modules/analysis/pathhierarchy-tokenizer.html
curl -XPUT "localhost:9200/dates-test" -d '{
"mappings": {
"doc": {
"properties": {
"name": {"type": "string"},
"object-available": {
"type": "nested",
"properties" : {
"end" : {
"type" : "date"
},
"start" : {
"type" : "date"
}
}
}
}
}
}
}'
echo
# Put some test data
curl -XPUT "localhost:9200/dates-test/doc/1" -d '{
"name": "Record 1",
"object-available":[
{"start":"2012-01-01", "end":"2012-02-03"},
{"start":"2012-05-05", "end":"2012-12-31"}
]
}
'
curl -XPUT "localhost:9200/dates-test/doc/2" -d '{
"name": "Record 2",
"object-available":[
{"start":"2012-02-01", "end":"2012-04-20"},
{"start":"2012-04-25", "end":"2012-11-30"}
]
}
'
curl -XPOST "localhost:9200/dates-test/_refresh"
echo
echo Test for the range 2011-12-01 - 2012-02-05. Should find only 1st record
curl -XPOST "localhost:9200/dates-test/doc/_search?pretty=true" -d '{
"query": {
"nested": {
"path": "object-available",
"query": {
"bool": {
"must": [
{
"range": {
"start": {
"from": "2011-12-01",
"to": "2012-02-05"
}
}
},
{
"range": {
"end": {
"from": "2011-12-01",
"to": "2012-02-05"
}
}
}
]
}
}
}
}
}'
echo
echo Test for the range 2012-01-20 - 2012-12-01. Should find only 2nd record
curl -XPOST "localhost:9200/dates-test/doc/_search?pretty=true" -d '{
"query": {
"nested": {
"path": "object-available",
"query": {
"bool": {
"must": [
{
"range": {
"start": {
"from": "2012-01-20",
"to": "2012-12-01"
}
}
},
{
"range": {
"end": {
"from": "2012-01-20",
"to": "2012-12-01"
}
}
}
]
}
}
}
}
}'
echo
echo Test for the range 2012-04-01 - 2013-01-01. Should find both record
curl -XPOST "localhost:9200/dates-test/doc/_search?pretty=true" -d '{
"query": {
"nested": {
"path": "object-available",
"query": {
"bool": {
"must": [
{
"range": {
"start": {
"from": "2012-04-01",
"to": "2013-01-01"
}
}
},
{
"range": {
"end": {
"from": "2012-04-01",
"to": "2013-01-01"
}
}
}
]
}
}
}
}
}'