Checks for the existence of a schema with the given name.

Input Parameter Description

Name Type Description
schema_name string Name of the schema to check for existence, in root, using standard name resolution rules.
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 'has_schema_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 /has/schema endpoint:

Name Type Description
schema_name string Value of input parameter schema_name
schema_exists boolean

Indicates whether the schema exists or not. Possible values are:

  • true
  • false
info map of string to strings Additional information.

Empty string in case of an error.