dalongliu created FLINK-26951:
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Summary: Add HASH supported in SQL & Table API
Key: FLINK-26951
URL: https://issues.apache.org/jira/browse/FLINK-26951
Project: Flink
Issue Type: Sub-task
Components: Table SQL / API
Reporter: dalongliu
Fix For: 1.16.0
Returns a hash value of the arguments.
Syntax:
{code:java}
hash(expr1, ...) {code}
Arguments:
* {{{}exprN{}}}: An expression of any type.
Returns:
An INTEGER.
Examples:
{code:java}
> SELECT hash('Flink', array(123), 2);
-1321691492 {code}
See more:
* [Spark|https://spark.apache.org/docs/latest/api/sql/index.html#hash]
* [Hive|https://cwiki.apache.org/confluence/display/hive/languagemanual+udf]
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