op functions (Functions for Building Grouping Key Parameters)
The following functions define groups for passing as parameters to the prototype.groupByUnion or prototype.groupToArrays methods.
5 functions
| Function name | Description |
|---|---|
| op.bucketGroup | This function can be used as a named group in functions prototype.groupToArrays or prototype.facetBy . |
| op.cube | This function specifies a list of grouping keys for a group and returns that group and every possible larger group (including all rows) formed from any subset of keys. |
| op.group | This function specifies the grouping keys for a group as a list of zero or more columns. |
| op.namedGroup | This function specifies the grouping keys for a group as a named list of zero or more columns. |
| op.rollup | This function specifies a list of grouping keys for a group and returns that group and larger groups (including all rows) formed by dropping columns from right to left. |