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examples/find_package/src/main.cpp
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fnc12
examples formatting
22 ноя 2020, 08:37
22 ноя 2020, 08:37
67fdb6e
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#include <sqlite_orm/sqlite_orm.h> #include <string> #include <iostream> #include <cassert> using namespace sqlite_orm; using std::cout; using std::endl; struct RapArtist { int id; std::string name; }; int main(int, char**) { auto storage = make_storage(":memory:", make_table("rap_artists", make_column("id", &RapArtist::id, primary_key()), make_column("name", &RapArtist::name))); cout << "in memory db opened" << endl; storage.sync_schema(); assert(!storage.count<RapArtist>()); storage.insert(RapArtist{-1, "The Weeknd"}); storage.transaction([&] { storage.insert(RapArtist{-1, "Drake"}); return true; }); cout << "rap artists count = " << storage.count<RapArtist>() << endl; // transaction also work in memory.. storage.transaction([&] { storage.insert(RapArtist{-1, "Kanye West"}); return false; }); cout << "rap artists count = " << storage.count<RapArtist>() << " (no Kanye)" << endl; return 0; }