Method when_clause_update

grammar.cc:608–617

}

when_clause_update::when_clause_update(merge_stmt *p)
  : when_clause(p), myscope(p->scope)
{
  myscope.tables = scope->tables;
  myscope.refs = scope->refs;
  scope = &myscope;
  scope->refs.push_back(&*(p->target_table_->refs[0]));
  
  set_list = std::make_shared<struct set_list>(this, p->victim);
}

void when_clause_update::out(std::ostream &out) {
  out << "WHEN MATCHED AND " << *condition;