make_date function
Applies to: 
Databricks SQL Databricks Runtime
Creates a date from year, month, and day fields.
Syntax
make_date(year, month, day)
Arguments
year: An INTEGER expression evaluating to a value from 1 to 9999.month: An INTEGER expression evaluating to a value from 1 (January) to 12 (December).day: An INTEGER expression evaluating to a value from 1 to 31.
Returns
A DATE.
In Databricks SQL, if any of the arguments is out of bounds, the result is NULL.
In Databricks Runtime, if any of the arguments are out of bounds, the function returns an error unless spark.sql.ansi.enabled is false, in which case the function returns NULL.
Examples
SQL
> SELECT make_date(2013, 7, 15);
2013-07-15
> SELECT make_date(2019, 13, 1);
NULL
> SELECT make_date(2019, 7, NULL);
NULL
> SELECT make_date(2019, 2, 30);
NULL