URL: http://GPUDB_IP_ADDRESS:GPUDB_PORT/aggregate/convexhull
Calculates and returns the convex hull for the values in a table specified by input parameter table_name.
Name | Type | Description |
---|---|---|
table_name | string | Name of table on which the operation will be performed. Must be an existing table. It cannot be a collection. |
x_column_name | string | Name of the column containing the x coordinates of the points for the operation being performed. |
y_column_name | string | Name of the column containing the y coordinates of the points for the operation being performed. |
options | map of string to strings | Optional parameters. The default value is an empty map ( {} ). |
The GPUdb server embeds the endpoint response inside a standard response structure which contains status information and the actual response to the query. Here is a description of the various fields of the wrapper:
Name | Type | Description | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
status | String | 'OK' or 'ERROR' | ||||||||||||||||||
message | String | Empty if success or an error message | ||||||||||||||||||
data_type | String | 'aggregate_convex_hull_request' or 'none' in case of an error | ||||||||||||||||||
data | String | Empty string | ||||||||||||||||||
data_str | JSON or String | This embedded JSON represents the result of the /aggregate/convexhull endpoint:
Empty string in case of an error. |