Skip to main content
Version: nightly

CAST

CAST is used to convert an expression of one data type to another.

Syntax

CAST (expression AS data_type)

Parameters

  • expression: the expression to be converted.
  • data_type: the data type to convert the expression to.

Examples

Convert a string to an integer:

 SELECT CAST('123' AS INT) ;
+-------------+
| Utf8("123") |
+-------------+
| 123 |
+-------------+