1-out R UDF
User-defined function operator in R script
Home > User Defined Functions > R
Input Properties
| Property | Requirement | Type | Default | Description |
|---|---|---|---|---|
| R Source UDF Script | ✓ | Code (r) | See template below | Input your code here |
| Worker count | ✓ | Integer | 1 | Specify how many parallel workers to launch |
| Use Tuple API? | ✓ | Boolean | false | Check this box to use Tuple API, leave unchecked to use Table API |
| Columns | List | - | The columns of the source | |
| ↳ Attribute Name | ✓ | String | - | |
| ↳ Attribute Type | ✓ | string, integer, long, double, boolean, timestamp, binary, large_binary | - |
Default Code Template
R Source UDF Script
# If using Table API:
# function() {
# return (data.frame(Column_Here = "Value_Here"))
# }
# If using Tuple API:
# library(coro)
# coro::generator(function() {
# yield (list(text= "hello world!"))
# })
Output Ports
| Port | Mode |
|---|---|
| 0 | Set Snapshot |
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