diff options
Diffstat (limited to 'src/third_party/wiredtiger/examples/c/ex_config.c')
-rw-r--r-- | src/third_party/wiredtiger/examples/c/ex_config.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/src/third_party/wiredtiger/examples/c/ex_config.c b/src/third_party/wiredtiger/examples/c/ex_config.c new file mode 100644 index 00000000000..2ac8198176c --- /dev/null +++ b/src/third_party/wiredtiger/examples/c/ex_config.c @@ -0,0 +1,91 @@ +/*- + * 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_config.c + * This is an example demonstrating how to configure various database and + * table properties. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <wiredtiger.h> + +static const char *home; + +int +main(void) +{ + int ret; + WT_CONNECTION *conn; + WT_SESSION *session; + WT_CURSOR *cursor; + const char *key, *value; + + /* + * 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; + + /*! [configure cache size] */ + if ((ret = wiredtiger_open(home, NULL, + "create,cache_size=500M", &conn)) != 0) + fprintf(stderr, "Error connecting to %s: %s\n", + home, wiredtiger_strerror(ret)); + /*! [configure cache size] */ + + /*! [create a table] */ + ret = conn->open_session(conn, NULL, NULL, &session); + + ret = session->create(session, + "table:access", "key_format=S,value_format=S"); + /*! [create a table] */ + + /*! [transaction] */ + ret = session->begin_transaction(session, "priority=100,name=mytxn"); + + ret = session->open_cursor(session, "config:", NULL, NULL, &cursor); + + while ((ret = cursor->next(cursor)) == 0) { + ret = cursor->get_key(cursor, &key); + ret = cursor->get_value(cursor, &value); + printf("configuration value: %s = %s\n", key, value); + } + + ret = session->commit_transaction(session, NULL); + /*! [transaction] */ + + ret = conn->close(conn, NULL); + + return (ret); +} |