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#ifndef MYGRATE_OUTPUT_PQ_PQBINDINGS
#define MYGRATE_OUTPUT_PQ_PQBINDINGS
#include <compileTimeFormatter.h>
#include <dbTypes.h>
#include <helpers.h>
#include <initializer_list>
#include <streamSupport.h>
#include <variant>
#include <vector>
namespace MyGrate::Output::Pq {
struct Bindings {
explicit Bindings(const std::span<const DbValue> vs)
{
bufs.reserve(vs.size());
values.reserve(vs.size());
lengths.reserve(vs.size());
formats.reserve(vs.size());
for (const auto & v : vs) {
v.visit(*this);
}
}
template<Stringable T>
void
operator()(const T & v)
{
addBuf(std::to_string(v));
}
template<Viewable T>
void
operator()(const T & v)
{
values.emplace_back(v.data());
lengths.emplace_back(v.size());
formats.push_back(1);
}
template<typename T>
void
operator()(const T & v)
{
addBuf(scprintf<"%?">(v));
}
void
operator()(const timespec &)
{
throw std::logic_error("Not implemented");
}
void
operator()(const std::nullptr_t &)
{
values.emplace_back(nullptr);
lengths.emplace_back(0);
formats.push_back(0);
}
std::vector<std::string> bufs;
std::vector<const char *> values;
std::vector<int> lengths;
std::vector<int> formats;
private:
void
addBuf(std::string str)
{
const auto & vw = bufs.emplace_back(std::move(str));
values.emplace_back(vw.data());
lengths.emplace_back(vw.length());
formats.push_back(0);
}
};
}
#endif
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