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hover.schema.CONSTANT.md Maven / Gradle / Ivy

## constant


Prefer to define constants in the rank profiles that need them,
with rank profile inheritance to avoid repetition.
See [constants](https://docs.vespa.ai/en/reference/schema-reference.html#constants).


Contained in [schema](https://docs.vespa.ai/en/reference/schema-reference.html#schema).
This defines a named constant tensor located in a file with a given type
that can be used in ranking expressions using the rank feature
[constant(name)](https://docs.vespa.ai/en/reference/rank-features.html#constant(name)):
```
constant [name] {
    [body]
}
``` 

The body of a constant must contain:

[Read more](https://docs.vespa.ai/en/reference/schema-reference.html#constant)