/collect/statistics

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

Collect statistics for a column(s) 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.
column_names array of strings List of one or more column names in input parameter table_name for which to collect statistics (cardinality, mean value, etc.).
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 'collect_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 /collect/statistics endpoint:

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

Empty string in case of an error.