/**

* SPDX-License-Identifier: GPL-2.0-or-later

*

* This file is part of osm2pgsql (https://osm2pgsql.org/).

*

* Copyright (C) 2006-2026 by the osm2pgsql developer community.

* For a full list of authors see the git log.

*/

#include "flex-index.hpp"

#include "util.hpp"

std::string flex_index_t::columns() const

{

return util::join(m_columns, ',', '"', '(', ')');

}

std::string flex_index_t::include_columns() const

{

return util::join(m_include_columns, ',', '"', '(', ')');

}

std::string

flex_index_t::create_index(std::string const &qualified_table_name) const

{

util::string_joiner_t joiner{' '};

joiner.add("CREATE");

if (m_is_unique) {

joiner.add("UNIQUE");

}

joiner.add("INDEX");

if (!m_name.empty()) {

joiner.add(fmt::format(R"("{}")", m_name));

}

joiner.add("ON");

joiner.add(qualified_table_name);

joiner.add("USING");

joiner.add(m_method);

if (m_expression.empty()) {

joiner.add(columns());

} else {

joiner.add('(' + m_expression + ')');

}

if (!m_include_columns.empty()) {

joiner.add("INCLUDE");

joiner.add(include_columns());

}

if (m_fillfactor != 0) {

joiner.add("WITH");

joiner.add(fmt::format("(fillfactor = {})", m_fillfactor));

}

if (!m_tablespace.empty()) {

joiner.add("TABLESPACE");

joiner.add("\"" + m_tablespace + "\"");

}

if (!m_where_condition.empty()) {

joiner.add("WHERE");

joiner.add(m_where_condition);

}

return joiner();

}