/collect/statistics

URL: http://GPUDB_IP_ADDRESS:GPUDB_PORT/collect/statistics

Collect statistics for a column(s) 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.
column_namesarray of stringsList of one or more column names in input parameter table_name for which to collect statistics (cardinality, mean value, etc.).
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'collect_statistics_request' or 'none' in case of an error
dataStringEmpty string
data_strJSON or String

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

NameTypeDescription
table_namestringValue of input parameter table_name.
column_namesarray of stringsValue of input parameter column_names.
infomap of string to stringsAdditional information.

Empty string in case of an error.