/clear/statistics

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

Clears statistics (cardinality, mean value, etc.) for a column 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. The default value is ''.
column_name	string	Name of the column in input parameter table_name for which to clear statistics. The column must be from an existing table. An empty string clears statistics for all columns in the table. The default value is ''.
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

'clear_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 /clear/statistics endpoint:

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

Empty string in case of an error.