class DuckDB::Error

The exception raised by ruby-duckdb.

Public Class Methods

new (message = nil, error_type_id = nil)

Source

# File lib/duckdb/error.rb, line 8
def initialize(message = nil, error_type_id = nil)
  super(message)
  @error_type_id = error_type_id
end

error_type_id is the raw DuckDB error type id, set by the C extension when a query result fails; it defaults to nil for all other errors.

Calls superclass method

Public Instance Methods

error_type ()

Source

# File lib/duckdb/error.rb, line 22
def error_type
  @error_type_id && Converter::IntToSym.error_type_to_sym(@error_type_id)
end

Returns the DuckDB error category as a Symbol (e.g. :constraint, :catalog, :parser), or nil when the error did not originate from a DuckDB query result (e.g. internal binding failures).

begin
  con.query('INSERT INTO t VALUES (1)') # duplicate primary key
rescue DuckDB::Error => e
  e.error_type # => :constraint
end