unix_millis function

Applies to: check marked yes Databricks SQL check marked yes Databricks Runtime

Returns the number of milliseconds since 1970-01-01 00:00:00 UTC.

Syntax 

unix_millis(expr)

Arguments

  • expr: A TIMESTAMP expression.

Returns

A BIGINT.

The function truncates higher levels of precision.

Examples 

> SELECT unix_millis(TIMESTAMP('1970-01-01 00:00:01Z'));
 1000