Function init_db_funcs

lua/sp.c:5046–5081

};

static void init_db_funcs(Lua L)
{
    db_t *db = lua_newuserdata(L, sizeof(db_t));
    init_new_t(db, DBTYPES_DB);

    luaL_newmetatable(L, dbtypes.db);

    lua_pushinteger(L, CDB2__ERROR_CODE__DUP_OLD);
    lua_setfield(L, -2, "err_dup");

    lua_pushinteger(L, CDB2ERR_VERIFY_ERROR);
    lua_setfield(L, -2, "err_verify");

    lua_pushinteger(L, CDB2ERR_FKEY_VIOLATION);
    lua_setfield(L, -2, "err_fkey");

    lua_pushinteger(L, CDB2ERR_NULL_CONSTRAINT);
    lua_setfield(L, -2, "err_null_constraint");

    lua_pushinteger(L, CDB2ERR_CONSTRAINTS);
    lua_setfield(L, -2, "err_selectv");

    lua_pushinteger(L, CDB2ERR_CONV_FAIL);
    lua_setfield(L, -2, "err_conv");

    lua_pushinteger(L, CDB2ERR_CHECK_CONSTRAINT);
    lua_setfield(L, -2, "err_check_constraint");

    lua_pushstring(L, "__index");
    lua_pushvalue(L, -2);
    lua_settable(L, -3); // db.metatable.__index = db.metatable
    luaL_openlib(L, NULL, db_funcs, 0);

    lua_setmetatable(L, -2);
    lua_setglobal(L, "db");
}

static void init_dbtable_funcs(Lua L)
{