AST-based query fuzzer should randomly modify data types in CREATE TABLE queries, mostly by wrapping in Nullable, Array and LowCardinality.
{
    if (table_like_map.size() > 1000)
    {
        table_like_map.clear();
    }
    const auto name = ast->formatForErrorMessage();
    if (name.size() < 200)
    {
        table_like_map.insert({name, ast});
    }
}
void QueryFuzzer::addColumnLike(ASTPtr ast)