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#pragma once
#include "clickhouse_config.h"
#if USE_EMBEDDED_COMPILER
# include <Common/CacheBase.h>
# include <Common/HashTable/Hash.h>
# include <Interpreters/JIT/CHJIT.h>
namespace DB
{
class CompiledExpressionCacheEntry
{
public:
explicit CompiledExpressionCacheEntry(size_t compiled_expression_size_)
: compiled_expression_size(compiled_expression_size_)
{}
size_t getCompiledExpressionSize() const { return compiled_expression_size; }
virtual ~CompiledExpressionCacheEntry() = default;
private:
size_t compiled_expression_size = 0;
};
struct CompiledFunctionWeightFunction
{
size_t operator()(const CompiledExpressionCacheEntry & compiled_function) const
{
return compiled_function.getCompiledExpressionSize();
}
};
class CompiledExpressionCache : public CacheBase<UInt128, CompiledExpressionCacheEntry, UInt128Hash, CompiledFunctionWeightFunction>
{
public:
using Base = CacheBase<UInt128, CompiledExpressionCacheEntry, UInt128Hash, CompiledFunctionWeightFunction>;
using Base::Base;
};
class CompiledExpressionCacheFactory
{
private:
std::unique_ptr<CompiledExpressionCache> cache;
public:
static CompiledExpressionCacheFactory & instance();
void init(size_t cache_size_in_bytes, size_t cache_size_in_elements);
CompiledExpressionCache * tryGetCache();
};
}
#endif
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