sqlite_prepared_statement.hpp

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#ifndef NEFORCE_DATABASE_SQLITE_PREPARED_STATEMENT_HPP__
#define NEFORCE_DATABASE_SQLITE_PREPARED_STATEMENT_HPP__

 
#ifdef NEFORCE_SUPPORT_SQLITE3
#    include <sqlite3.h>
#    include "NeForce/db/db_interface.hpp"
NEFORCE_BEGIN_NAMESPACE__



class NEFORCE_API sqlite_prepared_statement final : public idb_prepared_statement {
private:
    ::sqlite3* db_ = nullptr;        
    ::sqlite3_stmt* stmt_ = nullptr; 
 
    uint32_t param_count_ = 0;           
    vector<vector<char>> param_buffers_; 
    bool prepared_ = false;              
    mutable string last_error_;          

    void clear_bindings();
 
public:
    explicit sqlite_prepared_statement(::sqlite3* db, const string& sql);
 
    sqlite_prepared_statement(const sqlite_prepared_statement&) = delete;
    sqlite_prepared_statement& operator=(const sqlite_prepared_statement&) = delete;

    sqlite_prepared_statement(sqlite_prepared_statement&& other) noexcept;

    sqlite_prepared_statement& operator=(sqlite_prepared_statement&& other) noexcept;

    ~sqlite_prepared_statement() override;

    NEFORCE_NODISCARD uint32_t param_count() const noexcept override { return param_count_; }

    bool bind_param(uint32_t index, string_view value) override;

    bool bind_param(uint32_t index, const string& value) override { return bind_param(index, value.view()); }

    bool bind_param(uint32_t index, const char* value) override { return bind_param(index, string_view(value)); }

    bool bind_param(uint32_t index, int32_t value) override;

    bool bind_param(uint32_t index, int64_t value) override;

    bool bind_param(uint32_t index, float64_t value) override;

    bool bind_param(uint32_t index, cbyte_view value) override;

    bool execute() override;

    unique_ptr<idb_prepared_result> execute_query() override;

    NEFORCE_NODISCARD string_view get_error() const noexcept override { return last_error_.view(); }

    NEFORCE_NODISCARD uint32_t get_errno() const noexcept override { return db_ ? ::sqlite3_errcode(db_) : 0; }
};
 // SQLite3
 // Database
 
NEFORCE_END_NAMESPACE__
#endif
#endif // NEFORCE_DATABASE_SQLITE_PREPARED_STATEMENT_HPP__