/*- * Public Domain 2014-2016 MongoDB, Inc. * Public Domain 2008-2014 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_access.c * demonstrates how to create and access a simple table. */ #include #include #include #include static const char *home; int main(void) { /*! [access example connection] */ WT_CONNECTION *conn; WT_CURSOR *cursor; WT_SESSION *session; const char *key, *value; int ret; /* * Create a clean test directory for this run of the test program if the * environment variable isn't already set (as is done by make check). */ if (getenv("WIREDTIGER_HOME") == NULL) { home = "WT_HOME"; ret = system("rm -rf WT_HOME && mkdir WT_HOME"); } else home = NULL; /* Open a connection to the database, creating it if necessary. */ if ((ret = wiredtiger_open(home, NULL, "create", &conn)) != 0 || (ret = conn->open_session(conn, NULL, NULL, &session)) != 0) { fprintf(stderr, "Error connecting to %s: %s\n", home == NULL ? "." : home, wiredtiger_strerror(ret)); return (EXIT_FAILURE); } /*! [access example connection] */ /*! [access example table create] */ ret = session->create(session, "table:access", "key_format=S,value_format=S"); /*! [access example table create] */ /*! [access example cursor open] */ ret = session->open_cursor(session, "table:access", NULL, NULL, &cursor); /*! [access example cursor open] */ /*! [access example cursor insert] */ cursor->set_key(cursor, "key1"); /* Insert a record. */ cursor->set_value(cursor, "value1"); ret = cursor->insert(cursor); /*! [access example cursor insert] */ /*! [access example cursor list] */ ret = cursor->reset(cursor); /* Restart the scan. */ while ((ret = cursor->next(cursor)) == 0) { ret = cursor->get_key(cursor, &key); ret = cursor->get_value(cursor, &value); printf("Got record: %s : %s\n", key, value); } /*! [access example cursor list] */ /*! [access example close] */ ret = conn->close(conn, NULL); /*! [access example close] */ return (ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE); }