Xiao Li created SPARK-27765:
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Summary: Type Casts: expression::type
Key: SPARK-27765
URL: https://issues.apache.org/jira/browse/SPARK-27765
Project: Spark
Issue Type: Sub-task
Components: SQL
Affects Versions: 3.0.0
Reporter: Xiao Li
[https://www.postgresql.org/docs/9.0/sql-expressions.html#SQL-SYNTAX-TYPE-CASTS]
* A type cast specifies a conversion from one data type to another. PostgreSQL
accepts two equivalent syntaxes for type casts:
** CAST ( expression AS type )
** expression::type
* The {{CAST}} syntax conforms to SQL; the syntax with {{::}} is historical
PostgreSQL usage.
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