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Version: 0.10

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 |
+-------------+