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Jun 30, 2025
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Add more test coverage for nested searches over flat vector indices #130263

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2e02394
Add more test coverage for nested searches over flat vector indices
benwtrent Jun 27, 2025
cdefc32
Merge branch 'main' into test/nested-flatten-vector
benwtrent Jun 30, 2025
48326f3
Merge branch 'main' into test/nested-flatten-vector
benwtrent Jun 30, 2025
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150 changes: 150 additions & 0 deletions ...c/src/yamlRestTest/resources/rest-api-spec/test/search.vectors/42_knn_search_bbq_flat.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -350,3 +350,153 @@ setup:
index: bbq_flat

- match: { bbq_flat.mappings.properties.vector.index_options.rescore_vector.oversample: 3.0 }
---
"Test nested queries":
- do:
indices.create:
index: bbq_flat_nested
body:
settings:
index:
number_of_shards: 1
mappings:
properties:
name:
type: keyword
nested:
type: nested
properties:
paragraph_id:
type: keyword
vector:
type: dense_vector
dims: 64
index: true
similarity: max_inner_product
index_options:
type: bbq_flat

- do:
index:
index: bbq_flat_nested
id: "1"
body:
nested:
- paragraph_id: "1"
vector: [ 0.077, 0.32 , -0.205, 0.63 , 0.032, 0.201, 0.167, -0.313,
0.176, 0.531, -0.375, 0.334, -0.046, 0.078, -0.349, 0.272,
0.307, -0.083, 0.504, 0.255, -0.404, 0.289, -0.226, -0.132,
-0.216, 0.49 , 0.039, 0.507, -0.307, 0.107, 0.09 , -0.265,
-0.285, 0.336, -0.272, 0.369, -0.282, 0.086, -0.132, 0.475,
-0.224, 0.203, 0.439, 0.064, 0.246, -0.396, 0.297, 0.242,
-0.028, 0.321, -0.022, -0.009, -0.001 , 0.031, -0.533, 0.45,
-0.028, 0.321, -0.022, -0.009, -0.001 , 0.031, -0.533, 0.45 ]
- paragraph_id: "2"
vector: [ 0.7, 0.2 , 0.205, 0.63 , 0.032, 0.201, 0.167, 0.313,
0.176, 0.1, 0.375, 0.334, 0.046, 0.078, 0.349, 0.272,
0.307, 0.083, 0.504, 0.255, 0.404, 0.289, 0.226, 0.132,
0.216, 0.49 , 0.039, 0.507, -0.307, 0.107, 0.09 , 0.265,
0.285, 0.336, 0.272, 0.369, -0.282, 0.086, 0.132, 0.475,
0.224, 0.203, 0.439, 0.064, 0.246, 0.396, 0.297, 0.242,
0.224, 0.203, 0.439, 0.064, 0.246, 0.396, 0.297, 0.242,
0.028, 0.321, 0.022, 0.009, 0.001 , 0.031, -0.533, 0.45]
- do:
index:
index: bbq_flat_nested
id: "2"
body:
nested:
- paragraph_id: 0
vector: [ 0.196, 0.514, 0.039, 0.555, -0.042, 0.242, 0.463, -0.348,
-0.08 , 0.442, -0.067, -0.05 , -0.001, 0.298, -0.377, 0.048,
0.307, 0.159, 0.278, 0.119, -0.057, 0.333, -0.289, -0.438,
-0.014, 0.361, -0.169, 0.292, -0.229, 0.123, 0.031, -0.138,
-0.139, 0.315, -0.216, 0.322, -0.445, -0.059, 0.071, 0.429,
-0.602, -0.142, 0.11 , 0.192, 0.259, -0.241, 0.181, -0.166,
0.082, 0.107, -0.05 , 0.155, 0.011, 0.161, -0.486, 0.569,
-0.489, 0.901, 0.208, 0.011, -0.209, -0.153, -0.27, -0.013 ]
- paragraph_id: 2
vector: [ 0.196, 0.514, 0.039, 0.555, 0.042, 0.242, 0.463, -0.348,
-0.08 , 0.442, -0.067, -0.05 , -0.001, 0.298, -0.377, 0.048,
0.307, 0.159, 0.278, 0.119, -0.057, 0.333, -0.289, 0.438,
-0.014, 0.361, -0.169, 0.292, -0.229, 0.123, 0.031, 0.138,
-0.139, 0.315, -0.216, 0.322, -0.445, -0.059, 0.071, 0.429,
-0.602, 0.142, 0.11 , 0.192, 0.259, -0.241, 0.181, 0.166,
0.082, 0.107, -0.05 , 0.155, 0.011, 0.161, -0.486, 0.569,
-0.489, 0.901, 0.208, 0.011, -0.209, -0.153, -0.27, 0.013 ]
- paragraph_id: 3
vector: [ 0.196, 0.514, 0.039, 0.555, 0.042, 0.242, 0.463, -0.348,
0.08 , 0.442, -0.067, -0.05 , 0.001, 0.298, -0.377, 0.048,
0.307, 0.159, 0.278, 0.119, 0.057, 0.333, -0.289, -0.438,
-0.014, 0.361, -0.169, 0.292, 0.229, 0.123, 0.031, -0.138,
-0.139, 0.315, -0.216, 0.322, 0.445, -0.059, 0.071, 0.429,
-0.602, -0.142, 0.11 , 0.192, 0.259, -0.241, 0.181, -0.166,
0.082, 0.107, -0.05 , 0.155, 0.011, 0.161, -0.486, 0.569,
-0.489, 0.901, 0.208, 0.011, 0.209, -0.153, -0.27, -0.013 ]

- do:
index:
index: bbq_flat_nested
id: "3"
body:
nested:
- paragraph_id: 0
vector: [ 0.139, 0.178, -0.117, 0.399, 0.014, -0.139, 0.347, -0.33 ,
0.139, 0.34 , -0.052, -0.052, -0.249, 0.327, -0.288, 0.049,
0.464, 0.338, 0.516, 0.247, -0.104, 0.259, -0.209, -0.246,
-0.11 , 0.323, 0.091, 0.442, -0.254, 0.195, -0.109, -0.058,
-0.279, 0.402, -0.107, 0.308, -0.273, 0.019, 0.082, 0.399,
-0.658, -0.03 , 0.276, 0.041, 0.187, -0.331, 0.165, 0.017,
0.171, -0.203, -0.198, 0.115, -0.007, 0.337, -0.444, 0.615,
-0.657, 1.285, 0.2 , -0.062, 0.038, 0.089, -0.068, -0.058 ]

- do:
indices.flush:
index: bbq_flat_nested

- do:
indices.forcemerge:
index: bbq_flat_nested
max_num_segments: 1

- do:
search:
index: bbq_flat_nested
body:
query:
nested:
path: nested
query:
knn:
field: nested.vector
query_vector: [0.128, 0.067, -0.08 , 0.395, -0.11 , -0.259, 0.473, -0.393,
0.292, 0.571, -0.491, 0.444, -0.288, 0.198, -0.343, 0.015,
0.232, 0.088, 0.228, 0.151, -0.136, 0.236, -0.273, -0.259,
-0.217, 0.359, -0.207, 0.352, -0.142, 0.192, -0.061, -0.17 ,
-0.343, 0.189, -0.221, 0.32 , -0.301, -0.1 , 0.005, 0.232,
-0.344, 0.136, 0.252, 0.157, -0.13 , -0.244, 0.193, -0.034,
-0.12 , -0.193, -0.102, 0.252, -0.185, -0.167, -0.575, 0.582,
-0.426, 0.983, 0.212, 0.204, 0.03 , -0.276, -0.425, -0.158]
num_candidates: 3
k: 2

- match: {hits.hits.0._id: "3"}

- do:
search:
index: bbq_flat_nested
body:
knn:
field: nested.vector
query_vector: [0.128, 0.067, -0.08 , 0.395, -0.11 , -0.259, 0.473, -0.393,
0.292, 0.571, -0.491, 0.444, -0.288, 0.198, -0.343, 0.015,
0.232, 0.088, 0.228, 0.151, -0.136, 0.236, -0.273, -0.259,
-0.217, 0.359, -0.207, 0.352, -0.142, 0.192, -0.061, -0.17 ,
-0.343, 0.189, -0.221, 0.32 , -0.301, -0.1 , 0.005, 0.232,
-0.344, 0.136, 0.252, 0.157, -0.13 , -0.244, 0.193, -0.034,
-0.12 , -0.193, -0.102, 0.252, -0.185, -0.167, -0.575, 0.582,
-0.426, 0.983, 0.212, 0.204, 0.03 , -0.276, -0.425, -0.158]
num_candidates: 3
k: 2

- match: {hits.hits.0._id: "3"}
100 changes: 100 additions & 0 deletions ...-spec/src/yamlRestTest/resources/rest-api-spec/test/search.vectors/42_knn_search_flat.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -327,3 +327,103 @@ setup:
index_options:
type: flat
m: 42
---
"Nested flat search":
- do:
indices.create:
index: flat_nested
body:
settings:
index:
number_of_shards: 1
mappings:
properties:
name:
type: keyword
nested:
type: nested
properties:
paragraph_id:
type: keyword
vector:
type: dense_vector
dims: 5
index: true
similarity: l2_norm
index_options:
type: flat
- do:
index:
index: flat_nested
id: "1"
body:
name: cow.jpg
nested:
- paragraph_id: 0
vector: [230.0, 300.33, -34.8988, 15.555, -200.0]
- paragraph_id: 1
vector: [240.0, 300, -3, 1, -20]

- do:
index:
index: flat_nested
id: "2"
body:
name: moose.jpg
nested:
- paragraph_id: 0
vector: [-0.5, 100.0, -13, 14.8, -156.0]
- paragraph_id: 2
vector: [0, 100.0, 0, 14.8, -156.0]
- paragraph_id: 3
vector: [0, 1.0, 0, 1.8, -15.0]

- do:
index:
index: flat_nested
id: "3"
body:
name: rabbit.jpg
nested:
- paragraph_id: 0
vector: [0.5, 111.3, -13.0, 14.8, -156.0]

- do:
indices.refresh: {}
- do:
search:
index: flat_nested
body:
fields: [ "name" ]
query:
nested:
path: nested
query:
knn:
field: nested.vector
query_vector: [ -0.5, 90.0, -10, 14.8, -156.0 ]
num_candidates: 3
k: 2

- match: { hits.hits.0._id: "2" }
- match: { hits.hits.0.fields.name.0: "moose.jpg" }

- match: { hits.hits.1._id: "3" }
- match: { hits.hits.1.fields.name.0: "rabbit.jpg" }

- do:
search:
index: flat_nested
body:
fields: [ "name" ]
knn:
field: nested.vector
query_vector: [ -0.5, 90.0, -10, 14.8, -156.0 ]
num_candidates: 3
k: 2

- match: { hits.hits.0._id: "2" }
- match: { hits.hits.0.fields.name.0: "moose.jpg" }

- match: { hits.hits.1._id: "3" }
- match: { hits.hits.1.fields.name.0: "rabbit.jpg" }
101 changes: 101 additions & 0 deletions .../src/yamlRestTest/resources/rest-api-spec/test/search.vectors/42_knn_search_int4_flat.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -506,3 +506,104 @@ setup:
index: int4_flat

- not_exists: int4_flat.mappings.properties.vector.index_options.rescore_vector
---
"Nested flat search":
- do:
indices.create:
index: int4_flat_nested
body:
settings:
index:
number_of_shards: 1
mappings:
properties:
name:
type: keyword
nested:
type: nested
properties:
paragraph_id:
type: keyword
vector:
type: dense_vector
dims: 4
index: true
similarity: l2_norm
index_options:
type: int4_flat
- do:
index:
index: int4_flat_nested
id: "1"
body:
name: cow.jpg
nested:
- paragraph_id: 0
vector: [230.0, 300.33, -34.8988, 15.555 ]
- paragraph_id: 1
vector: [240.0, 300, -3, 1 ]

- do:
index:
index: int4_flat_nested
id: "2"
body:
name: moose.jpg
nested:
- paragraph_id: 0
vector: [-0.5, 100.0, -13, 14.8]
- paragraph_id: 2
vector: [0, 100.0, 0, 14.8]
- paragraph_id: 3
vector: [0, 1.0, 0, 1.8]

- do:
index:
index: int4_flat_nested
id: "3"
body:
name: rabbit.jpg
nested:
- paragraph_id: 0
vector: [0.5, 111.3, -13.0, 14.8]

- do:
indices.refresh: {}
- do:
search:
index: int4_flat_nested
body:
fields: [ "name" ]
query:
nested:
path: nested
query:
knn:
field: nested.vector
query_vector: [ -0.5, 90.0, -10, 14.8]
num_candidates: 3
k: 2

- match: { hits.hits.0._id: "2" }
- match: { hits.hits.0.fields.name.0: "moose.jpg" }

- match: { hits.hits.1._id: "3" }
- match: { hits.hits.1.fields.name.0: "rabbit.jpg" }

- do:
search:
index: int4_flat_nested
body:
fields: [ "name" ]
knn:
field: nested.vector
query_vector: [ -0.5, 90.0, -10, 14.8]
num_candidates: 3
k: 2

- match: { hits.hits.0._id: "2" }
- match: { hits.hits.0.fields.name.0: "moose.jpg" }

- match: { hits.hits.1._id: "3" }
- match: { hits.hits.1.fields.name.0: "rabbit.jpg" }

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