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#include "GatherUtils.h"
#include "Selectors.h"
#include "Algorithms.h"
namespace DB::GatherUtils
{
namespace
{
struct ArrayStartsWithSelectArraySourcePair : public ArraySourcePairSelector<ArrayStartsWithSelectArraySourcePair>
{
template <typename FirstSource, typename SecondSource>
static void callFunction(FirstSource && first,
bool is_second_const, bool is_second_nullable, SecondSource && second,
ColumnUInt8 & result)
{
using SourceType = typename std::decay<SecondSource>::type;
if (is_second_nullable)
{
using NullableSource = NullableArraySource<SourceType>;
if (is_second_const)
arrayAllAny<ArraySearchType::StartsWith>(first, static_cast<ConstSource<NullableSource> &>(second), result);
else
arrayAllAny<ArraySearchType::StartsWith>(first, static_cast<NullableSource &>(second), result);
}
else
{
if (is_second_const)
arrayAllAny<ArraySearchType::StartsWith>(first, static_cast<ConstSource<SourceType> &>(second), result);
else
arrayAllAny<ArraySearchType::StartsWith>(first, second, result);
}
}
template <typename FirstSource, typename SecondSource>
static void selectSourcePair(bool is_first_const, bool is_first_nullable, FirstSource && first,
bool is_second_const, bool is_second_nullable, SecondSource && second,
ColumnUInt8 & result)
{
using SourceType = typename std::decay<FirstSource>::type;
if (is_first_nullable)
{
using NullableSource = NullableArraySource<SourceType>;
if (is_first_const)
callFunction(static_cast<ConstSource<NullableSource> &>(first), is_second_const, is_second_nullable, second, result);
else
callFunction(static_cast<NullableSource &>(first), is_second_const, is_second_nullable, second, result);
}
else
{
if (is_first_const)
callFunction(static_cast<ConstSource<SourceType> &>(first), is_second_const, is_second_nullable, second, result);
else
callFunction(first, is_second_const, is_second_nullable, second, result);
}
}
};
}
void sliceHasStartsWith(IArraySource & first, IArraySource & second, ColumnUInt8 & result)
{
ArrayStartsWithSelectArraySourcePair::select(first, second, result);
}
}
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