100 lines
3.2 KiB
C
100 lines
3.2 KiB
C
/*-
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* Public Domain 2014-2016 MongoDB, Inc.
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* Public Domain 2008-2014 WiredTiger, Inc.
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*
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* This is free and unencumbered software released into the public domain.
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*
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* Anyone is free to copy, modify, publish, use, compile, sell, or
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* distribute this software, either in source code form or as a compiled
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* binary, for any purpose, commercial or non-commercial, and by any
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* means.
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*
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* In jurisdictions that recognize copyright laws, the author or authors
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* of this software dedicate any and all copyright interest in the
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* software to the public domain. We make this dedication for the benefit
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* of the public at large and to the detriment of our heirs and
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* successors. We intend this dedication to be an overt act of
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* relinquishment in perpetuity of all present and future rights to this
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* software under copyright law.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* ex_access.c
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* demonstrates how to create and access a simple table.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wiredtiger.h>
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static const char *home;
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int
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main(void)
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{
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/*! [access example connection] */
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WT_CONNECTION *conn;
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WT_CURSOR *cursor;
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WT_SESSION *session;
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const char *key, *value;
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int ret;
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/*
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* Create a clean test directory for this run of the test program if the
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* environment variable isn't already set (as is done by make check).
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*/
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if (getenv("WIREDTIGER_HOME") == NULL) {
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home = "WT_HOME";
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ret = system("rm -rf WT_HOME && mkdir WT_HOME");
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} else
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home = NULL;
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/* Open a connection to the database, creating it if necessary. */
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if ((ret = wiredtiger_open(home, NULL, "create", &conn)) != 0 ||
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(ret = conn->open_session(conn, NULL, NULL, &session)) != 0) {
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fprintf(stderr, "Error connecting to %s: %s\n",
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home, wiredtiger_strerror(ret));
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return (ret);
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}
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/*! [access example connection] */
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/*! [access example table create] */
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ret = session->create(session,
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"table:access", "key_format=S,value_format=S");
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/*! [access example table create] */
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/*! [access example cursor open] */
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ret = session->open_cursor(session,
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"table:access", NULL, NULL, &cursor);
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/*! [access example cursor open] */
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/*! [access example cursor insert] */
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cursor->set_key(cursor, "key1"); /* Insert a record. */
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cursor->set_value(cursor, "value1");
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ret = cursor->insert(cursor);
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/*! [access example cursor insert] */
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/*! [access example cursor list] */
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ret = cursor->reset(cursor); /* Restart the scan. */
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while ((ret = cursor->next(cursor)) == 0) {
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ret = cursor->get_key(cursor, &key);
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ret = cursor->get_value(cursor, &value);
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printf("Got record: %s : %s\n", key, value);
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}
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/*! [access example cursor list] */
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/*! [access example close] */
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ret = conn->close(conn, NULL);
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/*! [access example close] */
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return (ret);
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}
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