elt
function
Applies to: Databricks SQL Databricks Runtime
Returns the nth expression.
Arguments
index
: An INTEGER expression greater than 0.exprN
: Any expression that shares a least common type with allexprN
.
Returns
The result has the type of the least common type of the exprN
.
Index must be between 1 and the number of expr
. If index is out of bounds, an INVALID_ARRAY_INDEX error is raised.
Note
In Databricks Runtime, if spark.sql.ansi.enabled is false
, the function returns NULL
instead of an error if the index is out of bounds.