Function bindFunc

src/function/table/stats_info.cpp:54–80

}

static std::unique_ptr<TableFuncBindData> bindFunc(const ClientContext* context,
    const TableFuncBindInput* input) {
    const auto tableName = input->getLiteralVal<std::string>(0);
    const auto catalog = Catalog::Get(*context);
    if (!catalog->containsTable(transaction::Transaction::Get(*context), tableName)) {
        throw BinderException{"Table " + tableName + " does not exist!"};
    }
    auto tableEntry =
        catalog->getTableCatalogEntry(transaction::Transaction::Get(*context), tableName);
    if (tableEntry->getTableType() != TableType::NODE) {
        throw BinderException{
            "Stats from a non-node table " + tableName + " is not supported yet!"};
    }

    std::vector<std::string> columnNames = {"cardinality"};
    std::vector<LogicalType> columnTypes;
    columnTypes.push_back(LogicalType::INT64());
    for (auto& propDef : tableEntry->getProperties()) {
        columnNames.push_back(propDef.getName() + "_distinct_count");
        columnTypes.push_back(LogicalType::INT64());
    }
    const auto storageManager = storage::StorageManager::Get(*context);
    auto table = storageManager->getTable(tableEntry->getTableID());
    columnNames = TableFunction::extractYieldVariables(columnNames, input->yieldVariables);
    auto columns = input->binder->createVariables(columnNames, columnTypes);
    return std::make_unique<StatsInfoBindData>(columns, tableEntry, table, context);
}

function_set StatsInfoFunction::getFunctionSet() {
    function_set functionSet;