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support jit for identity

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taiyang-li 2024-10-15 09:03:59 +08:00
parent 47971c9d7a
commit 664f565cee
1 changed files with 22 additions and 4 deletions
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26
src/Functions/identity.h
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@ -2,6 +2,10 @@
#include <Functions/IFunction.h>
#include <Interpreters/Context_fwd.h>
#if USE_EMBEDDED_COMPILER
# include <DataTypes/Native.h>
# include <llvm/IR/IRBuilder.h>
#endif
namespace DB
{
@ -11,6 +15,11 @@ namespace ErrorCodes
extern const int BAD_ARGUMENTS;
}
struct IdentityName
{
static constexpr auto name = "identity";
};
template<typename Name>
class FunctionIdentityBase : public IFunction
{
@ -32,12 +41,21 @@ public:
{
return arguments.front().column;
}
#if USE_EMBEDDED_COMPILER
bool isCompilableImpl(const DataTypes & /*types*/, const DataTypePtr & result_type) const override
{
return Name::name == IdentityName::name && canBeNativeType(result_type);
}
llvm::Value *
compileImpl(llvm::IRBuilderBase & /*builder*/, const ValuesWithType & arguments, const DataTypePtr & /*result_type*/) const override
{
return arguments[0].value;
}
#endif
};
struct IdentityName
{
static constexpr auto name = "identity";
};
struct ScalarSubqueryResultName
{