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All LIST
functions work with the ARRAY
data type. Additionally, several ARRAY
-native functions are also supported.
Array-Native Functions
Function | Description |
---|---|
array_value(index) |
Create an ARRAY containing the argument values. |
array_cross_product(array1, array2) |
Compute the cross product of two arrays of size 3. The array elements can not be NULL . |
array_cosine_similarity(array1, array2) |
Compute the cosine similarity between two arrays of the same size. The array elements can not be NULL . The arrays can have any size as long as the size is the same for both arguments. |
array_distance(array1, array2) |
Compute the distance between two arrays of the same size. The array elements can not be NULL . The arrays can have any size as long as the size is the same for both arguments. |
array_inner_product(array1, array2) |
Compute the inner product between two arrays of the same size. The array elements can not be NULL . The arrays can have any size as long as the size is the same for both arguments. |
array_dot_product(array1, array2) |
Alias for array_inner_product(array1, array2) . |
array_value(index)
Description | Create an ARRAY containing the argument values. |
Example | array_value(1.0::FLOAT, 2.0::FLOAT, 3.0::FLOAT) |
Result | [1.0, 2.0, 3.0] |
array_cross_product(array1, array2)
Description | Compute the cross product of two arrays of size 3. The array elements can not be NULL . |
Example | array_cross_product(array_value(1.0::FLOAT, 2.0::FLOAT, 3.0::FLOAT), array_value(2.0::FLOAT, 3.0::FLOAT, 4.0::FLOAT)) |
Result | [-1.0, 2.0, -1.0] |
array_cosine_similarity(array1, array2)
Description | Compute the cosine similarity between two arrays of the same size. The array elements can not be NULL . The arrays can have any size as long as the size is the same for both arguments. |
Example | array_cosine_similarity(array_value(1.0::FLOAT, 2.0::FLOAT, 3.0::FLOAT), array_value(2.0::FLOAT, 3.0::FLOAT, 4.0::FLOAT)) |
Result | 0.9925833 |
array_distance(array1, array2)
Description | Compute the distance between two arrays of the same size. The array elements can not be NULL . The arrays can have any size as long as the size is the same for both arguments. |
Example | array_distance(array_value(1.0::FLOAT, 2.0::FLOAT, 3.0::FLOAT), array_value(2.0::FLOAT, 3.0::FLOAT, 4.0::FLOAT)) |
Result | 1.7320508 |
array_inner_product(array1, array2)
Description | Compute the inner product between two arrays of the same size. The array elements can not be NULL . The arrays can have any size as long as the size is the same for both arguments. |
Example | array_inner_product(array_value(1.0::FLOAT, 2.0::FLOAT, 3.0::FLOAT), array_value(2.0::FLOAT, 3.0::FLOAT, 4.0::FLOAT)) |
Result | 20.0 |
array_dot_product(array1, array2)
Description | Alias for array_inner_product(array1, array2) . |
Example | array_dot_product(l1, l2) |
Result | 20.0 |