Function buildCacheFileName

src/Storages/DiskCache/KeyIndexFileCache.cpp:45–54

namespace
{
    String buildCacheFileName(const String & key, UInt64 file_size)
    {
        auto escaped_key = escapeForFileName(key);
        WriteBufferFromOwnString buf;
        writeIntText(file_size, buf);
        writeChar('_', buf);
        writeString(escaped_key, buf);
        writeString(".idx", buf);
        return buf.str();
    }

    bool tryParseCacheFileName(const String & file_name, String & key, UInt64 & file_size)
    {