AST-based query fuzzer should randomly modify data types in CREATE TABLE queries, mostly by wrapping in Nullable, Array and LowCardinality.
#pragma once
#include <unordered_set>
#include <unordered_map>
#include <vector>
#include <pcg-random/pcg_random.hpp>
#include <Common/randomSeed.h>
#include <Core/Field.h>
#include <Parsers/IAST.h>
namespace DB
{
class ASTExpressionList;