Functionality
Embedded services system APIs follow the implicit data type conversion rules that apply to UDFs. For more information about the implicit data type conversion rules, see Teradata Vantage™ - SQL Functions, Expressions, and Predicates, B035-1145.
The following table describes the different embedded services system interfaces.
| If you want to ... | Use the following SQL interface ... |
|---|---|
| return the current type of Priority Scheduler being used (for example, workload definitions) | GetPSFVersion. |
| retrieve the maximum CPU and I/O capacity on demand (COD) values from the Priority Scheduler | TD_get_COD_limits. |
| return the value of the specified name in the current query band or NULL | GetQueryBandValueSF. |