Method bindRelGroupEntries

src/binder/bind/bind_graph_pattern.cpp:747–795

}

std::vector<TableCatalogEntry*> Binder::bindRelGroupEntries(
    const std::vector<std::string>& tableNames) const {
    auto transaction = transaction::Transaction::Get(*clientContext);
    auto useInternal = clientContext->useInternalCatalogEntry();

    // Check if there's a default graph set and use its catalog
    auto dbManager = main::DatabaseManager::Get(*clientContext);
    catalog::Catalog* catalog = nullptr;
    auto defaultGraphCatalog = dbManager->getDefaultGraphCatalog();
    if (defaultGraphCatalog != nullptr) {
        catalog = defaultGraphCatalog;
    } else {
        catalog = Catalog::Get(*clientContext);
    }

    table_catalog_entry_set_t entrySet;
    if (tableNames.empty()) { // Rewrite as all rel groups in database.
        for (auto entry : catalog->getRelGroupEntries(transaction, useInternal)) {
            entrySet.insert(entry);
        }
        for (auto attachedDB : dbManager->getAttachedDatabases()) {
            auto attachedCatalog = attachedDB->getCatalog();
            for (auto entry : attachedCatalog->getRelGroupEntries(transaction, useInternal)) {
                entrySet.insert(entry);
            }
        }
    } else {
        for (auto& name : tableNames) {
            if (catalog->containsTable(transaction, name)) {
                auto entry = catalog->getTableCatalogEntry(transaction, name, useInternal);
                if (entry->getType() != CatalogEntryType::REL_GROUP_ENTRY) {
                    throw BinderException(std::format(
                        "Cannot bind {} as a relationship pattern label.", entry->getName()));
                }
                entrySet.insert(entry);
            } else {
                // Check if this is an ANY graph (has _edges table)
                // In ANY graphs, labels are stored dynamically in the _edges table
                if (catalog->containsTable(transaction, "_edges", useInternal)) {
                    auto entry = catalog->getTableCatalogEntry(transaction, "_edges", useInternal);
                    entrySet.insert(entry);
                } else {
                    throw BinderException(std::format("Table {} does not exist.", name));
                }
            }
        }
    }
    return sortEntries(entrySet);
}

} // namespace binder
} // namespace lbug