/show/statistics

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

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

Input Parameter Description

NameTypeDescription
table_namesarray of stringsNames 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.
optionsmap 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:

NameTypeDescription
statusString'OK' or 'ERROR'
messageStringEmpty if success or an error message
data_typeString'show_statistics_response' or 'none' in case of an error
dataStringEmpty string
data_strJSON or String

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

NameTypeDescription
table_namesarray of stringsValue of input parameter table_names.
stastistics_maparray of arrays of maps of string to stringsA list of maps which contain the column statistics of the table input parameter table_names.
infomap of string to stringsAdditional information.

Empty string in case of an error.