ElasticSearch - Match all nested variations in a document - json

Question

I have several products with variations like the one below
{
"title": "100% Cotton Unstitched Suit For Men",
"slug": "100-cotton-unstitched-suit-for-men",
"price": 200,
"sale_price": 0,
"vendor_id": 32,
"featured": 0,
"viewed": 20,
"stock": 4,
"sku": "XXX-B",
"rating": 0,
"active": 1,
"vendor_name": "vendor_name",
"category": [
"men_fashion",
"traditional_clothing",
"unstitched_fabric"
],
"image": "imagename.jpg",
"variations": [
{
"variation_id": "34",
"stock": 5,
"price": 200,
"variation_image": "",
"sku": "XXX-C",
"size": "m",
"color": "red"
},
{
"variation_id": "35",
"stock": 5,
"price": 200,
"variation_image": "",
"sku": "XXX-D",
"size": "l",
"color": "red"
}
]
}
I am looking for a query that would have all of the below parameters
Get all products in a certain category
Get all products that are black
Get sizes l and m
My current Query:
{
"size": 15,
"from": 0,
"query": {
"filtered": {
"filter": {
"bool": {
"must": [
{
"match": {
"category": "women_fashion"
}
},
{
"nested": {
"path": "variations",
"query": {
"bool": {
"must": [{
"match": {
"variations.color": "red"
}
},
{
"match": {
"variations.size": "l"
}
},
{
"match": {
"variations.size": "m"
}
}
]
}
}
}
}
]
}
}
}
}
}
It works fine if i only search for 1 size. But once i search for 2 sizes it gives no records. My guess is that it looks for all 3 parameters in every nested variation, which obviously it cant find. How would i modify the query to search for
size: m, color: black
size: l, color: black
I have also tried using a nested filter, but the issue with this is that it works like "SHOULD" query while i am looking for a "MUST" query. ie. it shows all the products have large variations while i just want to show products that are large and red.
My Second Query:
{
"size": 15,
"from": 0,
"query": {
"filtered": {
"filter": {
"bool": {
"must": [
{
"match": {
"category": "women_fashion"
}
},
{
"nested": {
"path": "variations",
"query": {
"bool":{
"filter": [
{
"term": {
"variations.color": "red"
}
},
{
"term": {
"variations.size": "l"
}
}
]
}
}
}
}
]
}
}
}
}
}

Answer 1

You can put the size variations into a clause of it's own so at least one of the sizes will match
{
"query": {
"filtered": {
"filter": {
"bool": {
"must": [
{
"match": {
"category": "women_fashion"
}
},
{
"nested": {
"path": "variations",
"query": {
"bool": {
"must": [
{
"match": {
"variations.color": "red"
}
},
{
"query": {
"bool": {
"should": [
{
"match": {
"variations.size": "l"
}
},
{
"match": {
"variations.size": "m"
}
}
]
}
}
}
]
}
}
}
}
]
}
}
}
}
}