class DuckDB::Appender

def end_row

.end_row
.append_varchar('Alice')
.append_int32(1)
appender
appender = con.appender('users')
con.query('CREATE TABLE users (id INTEGER, name VARCHAR)')
con = db.connect
db = DuckDB::Database.open
require 'duckdb'
Finish the current row of appends. After end_row is called, the next row can be appended.

appender.end_row -> self
call-seq: 
def end_row
  return self if _end_row
  raise_appender_error('failed to end_row')
end