elt
function
Applies to: Databricks SQL Databricks Runtime
Returns the nth expression.
Syntax
elt(index, expr1 [, ...])
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.
Examples
> SELECT elt(1, 'scala', 'java');
scala
Related functions
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