That's the idea and to eliminate redundant information I am inspired by this post (Merging documents based on matched fields values , , I work on siren investigate, I managed to make my aggregation as below :
GET df_extrait/_search?size=0
{
"aggs": {
"my composite": {
"composite": {
"sources": [
{
"source_principal": {
"terms": {
"field": "source.keyword"
}
}
},
{
"target_principal": {
"terms": {
"field": "target.keyword"
}
}
}
]
}
}
}
When I try to create a new index in this way I get this error:
