Add CSV tests

Author: carlosdelest

x-pack/plugin/esql/qa/testFixtures/src/main/resources/knn-function.csv-spec

@@ -7,7 +7,7 @@ required_capability: knn_function
 
 // tag::knn-function[]
 from colors metadata _score 
-| where knn(rgb_vector, [0, 120, 0]) 
+| where knn(rgb_vector, [0, 120, 0], 10) 
 | sort _score desc, color asc
 // end::knn-function[]
 | keep color, rgb_vector
@@ -34,7 +34,7 @@ required_capability: knn_function
 
 // tag::knn-function-options[]
 from colors metadata _score 
-| where knn(rgb_vector, [0,255,255], {"k": 4})
+| where knn(rgb_vector, [0,255,255], 140)
 | sort _score desc, color asc
 // end::knn-function-options[]
 | keep color, rgb_vector
@@ -53,7 +53,7 @@ knnSearchWithSimilarityOption-Ignore
 required_capability: knn_function
 
 from colors metadata _score 
-| where knn(rgb_vector, [255,192,203], {"k": 140, "similarity": 40})
+| where knn(rgb_vector, [255,192,203], 140, {"similarity": 40})
 | sort _score desc, color asc
 | keep color, rgb_vector
 ;
@@ -70,7 +70,7 @@ knnHybridSearch
 required_capability: knn_function
 
 from colors metadata _score 
-| where match(color, "blue") or knn(rgb_vector, [65,105,225], {"k": 140})
+| where match(color, "blue") or knn(rgb_vector, [65,105,225], 140)
 | where primary == true
 | sort _score desc, color asc
 | keep color, rgb_vector
@@ -93,7 +93,7 @@ knnWithMultipleFunctions
 required_capability: knn_function
 
 from colors metadata _score
-| where knn(rgb_vector, [128,128,0], {"k": 140}) and match(color, "olive") 
+| where knn(rgb_vector, [128,128,0], 140) and match(color, "olive") 
 | sort _score desc, color asc
 | keep color, rgb_vector
 ;
@@ -107,7 +107,7 @@ required_capability: knn_function
 
 from colors metadata _score
 | keep rgb_vector, color, _score 
-| where knn(rgb_vector, [128,255,0], {"k": 140})
+| where knn(rgb_vector, [128,255,0], 140)
 | sort _score desc, color asc
 | keep rgb_vector
 | limit 5
@@ -126,7 +126,7 @@ required_capability: knn_function
 
 from colors metadata _score
 | drop primary
-| where knn(rgb_vector, [128,250,0], {"k": 140})
+| where knn(rgb_vector, [128,250,0], 140)
 | sort _score desc, color asc
 | keep color, rgb_vector
 | limit 5
@@ -145,7 +145,7 @@ required_capability: knn_function
 
 from colors metadata _score
 | eval composed_name = locate(color, " ") > 0 
-| where knn(rgb_vector, [128,128,0], {"k": 140})
+| where knn(rgb_vector, [128,128,0], 140)
 | sort _score desc, color asc
 | keep color, composed_name 
 | limit 5
@@ -164,7 +164,7 @@ required_capability: knn_function
 
 # TODO We need kNN prefiltering here so we get more candidates that pass the filter
 from colors metadata _score 
-| where knn(rgb_vector, [255,255,238], {"k": 140}) and hex_code like "#FFF*" 
+| where knn(rgb_vector, [255,255,238], 140) and hex_code like "#FFF*" 
 | sort _score desc, color asc
 | keep color, hex_code, rgb_vector
 | limit 10
@@ -185,7 +185,7 @@ required_capability: knn_function
 
 # TODO We need kNN prefiltering here so we get more candidates that pass the filter
 from colors metadata _score 
-| where (knn(rgb_vector, [0,255,255], {"k": 140}) or knn(rgb_vector, [128, 0, 255], {"k": 140})) and primary == true 
+| where (knn(rgb_vector, [0,255,255], 140) or knn(rgb_vector, [128, 0, 255], 140)) and primary == true 
 | keep color, rgb_vector, _score
 | sort _score desc, color asc
 | drop _score
@@ -209,7 +209,7 @@ required_capability: knn_function
 
 from colors metadata _score
 | eval composed_name = locate(color, " ") > 0 
-| where knn(rgb_vector, [128,128,0], {"k": 140}) and composed_name == false
+| where knn(rgb_vector, [128,128,0], 140) and composed_name == false
 | sort _score desc, color asc
 | keep color, composed_name
 | limit 10
@@ -233,7 +233,7 @@ testKnnWithNonPushableDisjunctions-Ignore
 required_capability: knn_function
 
 from colors metadata _score 
-| where knn(rgb_vector, [128,128,0], {"k": 140, "similarity": 30}) or length(color) > 10 
+| where knn(rgb_vector, [128,128,0], 140, {"similarity": 30}) or length(color) > 10 
 | sort _score desc, color asc
 | keep color 
 ;
@@ -250,7 +250,7 @@ testKnnWithNonPushableDisjunctionsOnComplexExpressions-Ignore
 required_capability: knn_function
 
 from colors metadata _score 
-| where (knn(rgb_vector, [128,128,0], {"k": 140, "similarity": 70}) and length(color) < 10) or (knn(rgb_vector, [128,0,128], {"k": 140, "similarity": 60}) and primary == false) 
+| where (knn(rgb_vector, [128,128,0], 140, {"similarity": 70}) and length(color) < 10) or (knn(rgb_vector, [128,0,128], 140, {"similarity": 60}) and primary == false) 
 | sort _score desc, color asc
 | keep color, primary
 ;
@@ -266,7 +266,7 @@ required_capability: knn_function
 
 from colors 
 | where length(color) < 10 
-| stats c = count(*) where knn(rgb_vector, [128,128,255], {"k": 140})
+| stats c = count(*) where knn(rgb_vector, [128,128,255], 140)
 ;
 
 c: long 
@@ -279,7 +279,7 @@ required_capability: full_text_functions_in_stats_where
 
 from colors 
 | where length(color) < 10 
-| stats c = count(*) where knn(rgb_vector, [128,128,255], {"k": 140}) by primary
+| stats c = count(*) where knn(rgb_vector, [128,128,255], 140) by primary
 ;
 
 c: long       | primary: boolean