Doc value get indexed into the wrong document #29565
Description
This issue was reported at https://discuss.elastic.co/t/issue-storing-binary-fields-in-6-2-2/128290 against 6.2 but it also reproduces against master.
Here is a recreation. All documents report the same value in their doc-value field: the value of the last document in the bulk request.
PUT blob_test
{
"settings": {
"number_of_shards": 1,
"number_of_replicas": 0
},
"mappings": {
"_doc": {
"properties": {
"blob": {
"type": "binary",
"doc_values": true
}
}
}
}
}
POST blob_test/_doc/_bulk
{ "index": { "_id": "id_0" } }
{ "blob": "aWRfMCBhbmQgc29tZSB0ZXh0" }
{ "index": { "_id": "id_1" } }
{ "blob": "aWRfMSBhbmQgc29tZSB0ZXh0" }
{ "index": { "_id": "id_2" } }
{ "blob": "aWRfMiBhbmQgc29tZSB0ZXh0" }
{ "index": { "_id": "id_3" } }
{ "blob": "aWRfMyBhbmQgc29tZSB0ZXh0" }
{ "index": { "_id": "id_4" } }
{ "blob": "aWRfNCBhbmQgc29tZSB0ZXh0" }
{ "index": { "_id": "id_5" } }
{ "blob": "aWRfNSBhbmQgc29tZSB0ZXh0" }
{ "index": { "_id": "id_6" } }
{ "blob": "aWRfNiBhbmQgc29tZSB0ZXh0" }
{ "index": { "_id": "id_7" } }
{ "blob": "aWRfNyBhbmQgc29tZSB0ZXh0" }
{ "index": { "_id": "id_8" } }
{ "blob": "aWRfOCBhbmQgc29tZSB0ZXh0" }
{ "index": { "_id": "id_9" } }
{ "blob": "aWRfOSBhbmQgc29tZSB0ZXh0" }
GET blob_test/_search
{
"docvalue_fields": ["blob"]
}