| Parameter | Mand | Type | Default | Constraints |
| tables | yes | T | | |
List of tables to operate on (fully
qualified names). |
| expression | no | s | TRUE | |
An arbitrary math expression involving any number of columns
present in the table. |
| columntype | no | s | real64 | int8 int16 uint16 int32 uint32 real32 real64 |
Type of the result column. |
| column | no | s | RESULT | |
Name of the column holding the result. It may be an existing column. |
| columnunit | no | s | unit | |
Unit of the result column. |
| columnlabel | no | s | label | |
Label of the result column. |
| Parameter | Mand | Type | Default | Constraints |