Shows how to use transactions. Not yet supported in WiredTiger.
/*- * Copyright (c) 2008-2012 WiredTiger, Inc. * * This is free and unencumbered software released into the public domain. * * Anyone is free to copy, modify, publish, use, compile, sell, or * distribute this software, either in source code form or as a compiled * binary, for any purpose, commercial or non-commercial, and by any * means. * * In jurisdictions that recognize copyright laws, the author or authors * of this software dedicate any and all copyright interest in the * software to the public domain. We make this dedication for the benefit * of the public at large and to the detriment of our heirs and * successors. We intend this dedication to be an overt act of * relinquishment in perpetuity of all present and future rights to this * software under copyright law. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * ex_transaction.c * This is an example demonstrating how to use transactions. */ #include <stdio.h> #include <string.h> #include <wiredtiger.h> const char *home = "WT_TEST"; int main(void) { int ret; WT_CONNECTION *conn; WT_SESSION *session; /* Open a connection to the database, creating it if necessary. */ if ((ret = wiredtiger_open(home, NULL, "create,transactional", &conn)) != 0) fprintf(stderr, "Error connecting to %s: %s\n", home, wiredtiger_strerror(ret)); /* Open a session for the current thread's work. */ if ((ret = conn->open_session(conn, NULL, NULL, &session)) != 0) fprintf(stderr, "Error opening a session on %s: %s\n", home, wiredtiger_strerror(ret)); session->begin_transaction(session, NULL); /* ... */ session->commit_transaction(session, NULL); /* Note: closing the connection implicitly closes open session(s). */ if ((ret = conn->close(conn, NULL)) != 0) fprintf(stderr, "Error connecting to %s: %s\n", home, wiredtiger_strerror(ret)); return (ret); }