class DuckDB::Appender

def append_int64(value)

.flush
.end_row
.append_int64(20)
.append_int32(1)
appender
appender = con.appender('users')
con.query('CREATE TABLE users (id INTEGER, age BIGINT)')
con = db.connect
db = DuckDB::Database.open
require 'duckdb'

Appends an int64(BIGINT) value to the current row in the appender.

appender.append_int64(val) -> self
call-seq: 
def append_int64(value)
  return self if _append_int64(value)
  raise_appender_error('failed to append_int64')
end