Function getQueryFromFile

src/binder/bind/bind_import_database.cpp:18–39

namespace binder {

static std::string getQueryFromFile(VirtualFileSystem* vfs, const std::string& boundFilePath,
    const std::string& fileName, main::ClientContext* context) {
    auto filePath = vfs->joinPath(boundFilePath, fileName);
    if (!vfs->fileOrPathExists(filePath, context)) {
        if (fileName == PortDBConstants::COPY_FILE_NAME) {
            return "";
        }
        if (fileName == PortDBConstants::INDEX_FILE_NAME) {
            return "";
        }
        throw BinderException(std::format("File {} does not exist.", filePath));
    }
    auto fileInfo = vfs->openFile(filePath, FileOpenFlags(FileFlags::READ_ONLY
#ifdef _WIN32
                                                          | FileFlags::BINARY
#endif
                                                ));
    auto fsize = fileInfo->getFileSize();
    auto buffer = std::make_unique<char[]>(fsize);
    fileInfo->readFile(buffer.get(), fsize);
    return std::string(buffer.get(), fsize);
}

static std::string getColumnNamesToCopy(const CopyFrom& copyFrom) {
    std::string columns = "";