/show/statistics

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

Retrieves the collected column statistics for the specified table(s).

Input Parameter Description

Name

Type

Description

table_names

array of strings

Names of tables whose metadata will be fetched, each in [schema_name.]table_name format, using standard name resolution rules. All provided tables must exist, or an error is returned.

options

map of string to strings

Optional parameters. The default value is an empty map ( {} ).

Supported Parameters (keys)

Parameter Description

no_error_if_not_exists

If true and if the table names specified in input parameter table_names does not exist, no error is returned. If false and if the table names specified in input parameter table_names does not exist, then an error is returned. The default value is false. The supported values are:

true
false

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

'show_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 /show/statistics endpoint:

Name	Type	Description
table_names	array of strings	Value of input parameter table_names.
stastistics_map	array of arrays of maps of string to strings	A list of maps which contain the column statistics of the table input parameter table_names.
info	map of string to strings	Additional information.

Empty string in case of an error.