Method getHash

src/Storages/MergeTree/MergeTreeIndexConditionText.cpp:65–102

}

SipHash TextSearchQuery::getHash() const
{
    SipHash hash;
    hash.update(function_name);
    hash.update(search_mode);
    hash.update(direct_read_mode);

    hash.update(tokens.size());
    for (const auto & token : tokens)
    {
        hash.update(token.size());
        hash.update(token);
    }

    if (!patterns.empty())
    {
        hash.update(patterns.size());
        for (const auto & pattern : patterns)
        {
            if (const auto & re2 = pattern.getRE2())
            {
                hash.update(re2->pattern());
            }
            else
            {
                std::string required_substring;
                bool is_trivial = false;
                bool required_substring_is_prefix = false;
                pattern.getAnalyzeResult(required_substring, is_trivial, required_substring_is_prefix);
                hash.update(required_substring);
                hash.update(is_trivial);
                hash.update(required_substring_is_prefix);
            }
        }
    }

    return hash;
}

MergeTreeIndexConditionText::MergeTreeIndexConditionText(
    const ActionsDAG::Node * predicate,