Function splitMultipartQuery

src/Parsers/parseQuery.cpp:407–448

std::pair<const char *, bool> splitMultipartQuery(
    const std::string & queries,
    std::vector<std::string> & queries_list,
    size_t max_query_size,
    size_t max_parser_depth,
    ParserSettingsImpl dialect_type)
{
    ASTPtr ast;

    const char * begin = queries.data(); /// begin of current query
    const char * pos = begin; /// parser moves pos from begin to the end of current query
    const char * end = begin + queries.size();

    ParserQuery parser(end, dialect_type);

    queries_list.clear();

    while (pos < end)
    {
        begin = pos;

        ast = parseQueryAndMovePosition(parser, pos, end, "", true, max_query_size, max_parser_depth);

        auto * insert = ast->as<ASTInsertQuery>();

        if (insert && insert->data)
        {
            /// Data for INSERT is broken on new line
            pos = insert->data;
            while (*pos && *pos != '\n')
                ++pos;
            insert->end = pos;
        }

        queries_list.emplace_back(queries.substr(begin - queries.data(), pos - begin));

        while (isWhitespaceASCII(*pos) || *pos == ';')
            ++pos;
    }

    return std::make_pair(begin, pos == end);
}


}