/collect/statistics

URL: http://<db.host>:<db.port>/collect/statistics

Collect statistics for a column(s) in a specified table.

Input Parameter Description

Name	Type	Description
table_name	string	Name of a table, in [schema_name.]table_name format, using standard name resolution rules. Must be an existing table.
column_names	array of strings	List of one or more column names in input parameter table_name for which to collect statistics (cardinality, mean value, etc.).
options	map of string to strings	Optional parameters. The default value is an empty map ( {} ).

Output Parameter Description

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

'collect_statistics_response' or 'none' in case of an error

data

String

Empty string

data_str

JSON or String

This embedded JSON represents the result of the /collect/statistics endpoint:

Name	Type	Description
table_name	string	Value of input parameter table_name.
column_names	array of strings	Value of input parameter column_names.
info	map of string to strings	Additional information.

Empty string in case of an error.