Function first_value

first_value(e: Column): Column
Aggregate function: returns the first value in a group.
Parameters
- e: Column
Returns Column
Note
The function is non-deterministic because its results depends on the order of the rows which may be non-deterministic after a shuffle.

Since
3.5.0
- Defined in src/org/apache/spark/sql/functions.ts:311
first_value(e: Column, ignoreNulls: boolean): Column
Aggregate function: returns the first value in a group.
Parameters
- e: Column
- ignoreNulls: boolean
Returns Column
Note
The function is non-deterministic because its results depends on the order of the rows which may be non-deterministic after a shuffle.

Since
3.5.0
- Defined in src/org/apache/spark/sql/functions.ts:312