/clear/statistics

URL: http://GPUDB_IP_ADDRESS:GPUDB_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.