Hash
Input | Output | Alias |
---|---|---|
✗ | ✔ |
Description
The Hash
output format calculates a single hash value for all columns and rows of the result.
This is useful for calculating a "fingerprint" of the result, for example in situations where data transfer is the bottleneck.
Example usage
Reading data
Consider a table football
with the following data:
Read data using the Hash
format:
The query will process the data, but will not output anything.