/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

NameTypeDescription
table_namestringName of a table, in [schema_name.]table_name format, using standard name resolution rules. Must be an existing table. The default value is ''.
column_namestringName 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 ''.
optionsmap of string to stringsOptional 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:

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

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

NameTypeDescription
table_namestringValue of input parameter table_name.
column_namestringValue of input parameter column_name.
infomap of string to stringsAdditional information.

Empty string in case of an error.