1 files changed, 48 insertions, 0 deletions
diff --git a/src/database/postgresql_engine.hpp b/src/database/postgresql_engine.hpp
new file mode 100644
index 0000000..fe4fb53
--- /dev/null
+++ b/src/database/postgresql_engine.hpp
@@ -0,0 +1,48 @@
+#pragma once
+
+#include <biboumi.h>
+#include <string>
+#include <stdexcept>
+#include <memory>
+
+#include <database/statement.hpp>
+#include <database/engine.hpp>
+
+#include <tuple>
+#include <set>
+
+#ifdef PQ_FOUND
+
+#include <libpq-fe.h>
+
+class PostgresqlEngine: public DatabaseEngine
+{
+ public:
+  PostgresqlEngine(PGconn*const conn);
+
+  ~PostgresqlEngine();
+
+  static std::unique_ptr<DatabaseEngine> open(const std::string& string);
+
+  std::set<std::string> get_all_columns_from_table(const std::string& table_name) override final;
+  std::tuple<bool, std::string> raw_exec(const std::string& query) override final;
+  std::unique_ptr<Statement> prepare(const std::string& query) override;
+  void extract_last_insert_rowid(Statement& statement) override;
+  std::string get_returning_id_sql_string(const std::string& col_name) override;
+  std::string id_column_type() override;
+private:
+  PGconn* const conn;
+};
+
+#else
+
+class PostgresqlEngine
+{
+public:
+  static std::unique_ptr<DatabaseEngine> open(const std::string& string)
+  {
+    throw std::runtime_error("Cannot open postgresql database "s + string + ": biboumi is not compiled with libpq.");
+  }
+};
+
+#endif