Nóta
Teastaíonn údarú chun rochtain a fháil ar an leathanach seo. Is féidir leat triail a bhaint as shíniú isteach nó eolairí a athrú.
Teastaíonn údarú chun rochtain a fháil ar an leathanach seo. Is féidir leat triail a bhaint as eolairí a athrú.
Applies to:
Databricks SQL
Databricks Runtime
Returns a hash value of the arguments.
Syntax
hash(expr1, ...)
Arguments
exprN: An expression of any type.
Returns
An INTEGER.
Note
The hash value depends on the input data type. For example, hash(1::INT) produces a different result than hash(1::BIGINT). If your use case requires stable hash values across different data types, consider explicitly casting values to the desired type.
Examples
> SELECT hash('Spark', array(123), 2);
-1321691492