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<p>Shows how to access the database log files.</p>
<div class="fragment"><div class="line"><span class="comment">/*-</span></div><div class="line"><span class="comment"> * Public Domain 2014-2018 MongoDB, Inc.</span></div><div class="line"><span class="comment"> * Public Domain 2008-2014 WiredTiger, Inc.</span></div><div class="line"><span class="comment"> *</span></div><div class="line"><span class="comment"> * This is free and unencumbered software released into the public domain.</span></div><div class="line"><span class="comment"> *</span></div><div class="line"><span class="comment"> * Anyone is free to copy, modify, publish, use, compile, sell, or</span></div><div class="line"><span class="comment"> * distribute this software, either in source code form or as a compiled</span></div><div class="line"><span class="comment"> * binary, for any purpose, commercial or non-commercial, and by any</span></div><div class="line"><span class="comment"> * means.</span></div><div class="line"><span class="comment"> *</span></div><div class="line"><span class="comment"> * In jurisdictions that recognize copyright laws, the author or authors</span></div><div class="line"><span class="comment"> * of this software dedicate any and all copyright interest in the</span></div><div class="line"><span class="comment"> * software to the public domain. We make this dedication for the benefit</span></div><div class="line"><span class="comment"> * of the public at large and to the detriment of our heirs and</span></div><div class="line"><span class="comment"> * successors. We intend this dedication to be an overt act of</span></div><div class="line"><span class="comment"> * relinquishment in perpetuity of all present and future rights to this</span></div><div class="line"><span class="comment"> * software under copyright law.</span></div><div class="line"><span class="comment"> *</span></div><div class="line"><span class="comment"> * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,</span></div><div class="line"><span class="comment"> * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF</span></div><div class="line"><span class="comment"> * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.</span></div><div class="line"><span class="comment"> * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR</span></div><div class="line"><span class="comment"> * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,</span></div><div class="line"><span class="comment"> * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR</span></div><div class="line"><span class="comment"> * OTHER DEALINGS IN THE SOFTWARE.</span></div><div class="line"><span class="comment"> *</span></div><div class="line"><span class="comment"> * ex_log.c</span></div><div class="line"><span class="comment"> * demonstrates how to use logging and log cursors.</span></div><div class="line"><span class="comment"> */</span></div><div class="line"><span class="preprocessor">#include <test_util.h></span></div><div class="line"></div><div class="line"><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *home1 = <span class="stringliteral">"WT_HOME_LOG_1"</span>;</div><div class="line"><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> *home2 = <span class="stringliteral">"WT_HOME_LOG_2"</span>;</div><div class="line"></div><div class="line"><span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> uri = <span class="stringliteral">"table:logtest"</span>;</div><div class="line"></div><div class="line"><span class="preprocessor">#define CONN_CONFIG "create,cache_size=100MB,log=(archive=false,enabled=true)"</span></div><div class="line"><span class="preprocessor">#define MAX_KEYS 10</span></div><div class="line"></div><div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span></div><div class="line">setup_copy(<a name="_a0"></a><a class="code" href="struct_w_t___c_o_n_n_e_c_t_i_o_n.html">WT_CONNECTION</a> **wt_connp, <a name="_a1"></a><a class="code" href="struct_w_t___s_e_s_s_i_o_n.html">WT_SESSION</a> **sessionp)</div><div class="line">{</div><div class="line"> error_check(<a name="a2"></a><a class="code" href="group__wt.html#gacbe8d118f978f5bfc8ccb4c77c9e8813">wiredtiger_open</a>(home2, NULL, CONN_CONFIG, wt_connp));</div><div class="line"></div><div class="line"> error_check((*wt_connp)->open_session(*wt_connp, NULL, NULL, sessionp));</div><div class="line"> error_check((*sessionp)->create(</div><div class="line"> *sessionp, uri, <span class="stringliteral">"key_format=S,value_format=S"</span>));</div><div class="line">}</div><div class="line"></div><div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span></div><div class="line">compare_tables(<a class="code" href="struct_w_t___s_e_s_s_i_o_n.html">WT_SESSION</a> *session, <a class="code" href="struct_w_t___s_e_s_s_i_o_n.html">WT_SESSION</a> *sess_copy)</div><div class="line">{</div><div class="line"> <a name="_a3"></a><a class="code" href="struct_w_t___c_u_r_s_o_r.html">WT_CURSOR</a> *cursor, *curs_copy;</div><div class="line"> <span class="keywordtype">int</span> ret;</div><div class="line"> <span class="keyword">const</span> <span class="keywordtype">char</span> *key, *key_copy, *value, *value_copy;</div><div class="line"></div><div class="line"> error_check(session-><a name="a4"></a><a class="code" href="struct_w_t___s_e_s_s_i_o_n.html#afb5b4a69c2c5cafe411b2b04fdc1c75d">open_cursor</a>(session, uri, NULL, NULL, &cursor));</div><div class="line"> error_check(</div><div class="line"> sess_copy-><a class="code" href="struct_w_t___s_e_s_s_i_o_n.html#afb5b4a69c2c5cafe411b2b04fdc1c75d">open_cursor</a>(sess_copy, uri, NULL, NULL, &curs_copy));</div><div class="line"></div><div class="line"> <span class="keywordflow">while</span> ((ret = cursor-><a name="a5"></a><a class="code" href="struct_w_t___c_u_r_s_o_r.html#a0503f16bd8f3d05aa3552f229b3a8e1b">next</a>(cursor)) == 0) {</div><div class="line"> error_check(curs_copy-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#a0503f16bd8f3d05aa3552f229b3a8e1b">next</a>(curs_copy));</div><div class="line"> error_check(cursor-><a name="a6"></a><a class="code" href="struct_w_t___c_u_r_s_o_r.html#af19f6f9d9c7fc248ab38879032620b2f">get_key</a>(cursor, &key));</div><div class="line"> error_check(cursor-><a name="a7"></a><a class="code" href="struct_w_t___c_u_r_s_o_r.html#af85364a5af50b95bbc46c82e72f75c01">get_value</a>(cursor, &value));</div><div class="line"> error_check(curs_copy-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#af19f6f9d9c7fc248ab38879032620b2f">get_key</a>(curs_copy, &key_copy));</div><div class="line"> error_check(curs_copy-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#af85364a5af50b95bbc46c82e72f75c01">get_value</a>(curs_copy, &value_copy));</div><div class="line"> <span class="keywordflow">if</span> (strcmp(key, key_copy) != 0 ||</div><div class="line"> strcmp(value, value_copy) != 0) {</div><div class="line"> fprintf(stderr,</div><div class="line"> <span class="stringliteral">"Mismatched: key %s, key_copy %s "</span></div><div class="line"> <span class="stringliteral">"value %s value_copy %s\n"</span>,</div><div class="line"> key, key_copy, value, value_copy);</div><div class="line"> exit (1);</div><div class="line"> }</div><div class="line"> }</div><div class="line"> scan_end_check(ret == <a name="a8"></a><a class="code" href="group__wt.html#ga3c9e1b494d95cf34404ab7a974af6bf8">WT_NOTFOUND</a>);</div><div class="line"></div><div class="line"> error_check(cursor-><a name="a9"></a><a class="code" href="struct_w_t___c_u_r_s_o_r.html#aeea071f192cab12245a50fbe71c3460b">close</a>(cursor));</div><div class="line"></div><div class="line"> ret = curs_copy-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#a0503f16bd8f3d05aa3552f229b3a8e1b">next</a>(curs_copy);</div><div class="line"> scan_end_check(ret == <a class="code" href="group__wt.html#ga3c9e1b494d95cf34404ab7a974af6bf8">WT_NOTFOUND</a>);</div><div class="line"></div><div class="line"> error_check(curs_copy-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#aeea071f192cab12245a50fbe71c3460b">close</a>(curs_copy));</div><div class="line">}</div><div class="line"></div><div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span></div><div class="line">print_record(uint32_t log_file, uint32_t log_offset, uint32_t opcount,</div><div class="line"> uint32_t rectype, uint32_t optype, uint64_t txnid, uint32_t fileid,</div><div class="line"> <a name="_a10"></a><a class="code" href="group__wt.html#struct_w_t___i_t_e_m">WT_ITEM</a> *key, <a class="code" href="group__wt.html#struct_w_t___i_t_e_m">WT_ITEM</a> *value)</div><div class="line">{</div><div class="line"> printf(</div><div class="line"> <span class="stringliteral">"LSN [%"</span> PRIu32 <span class="stringliteral">"][%"</span> PRIu32 <span class="stringliteral">"].%"</span> PRIu32</div><div class="line"> <span class="stringliteral">": record type %"</span> PRIu32 <span class="stringliteral">" optype %"</span> PRIu32</div><div class="line"> <span class="stringliteral">" txnid %"</span> PRIu64 <span class="stringliteral">" fileid %"</span> PRIu32,</div><div class="line"> log_file, log_offset, opcount,</div><div class="line"> rectype, optype, txnid, fileid);</div><div class="line"> printf(<span class="stringliteral">" key size %zu value size %zu\n"</span>, key-><a name="a11"></a><a class="code" href="group__wt.html#abd8b1299dfb5c54dc049fa42a4680b55">size</a>, value-><a class="code" href="group__wt.html#abd8b1299dfb5c54dc049fa42a4680b55">size</a>);</div><div class="line"> <span class="keywordflow">if</span> (rectype == <a name="a12"></a><a class="code" href="group__wt.html#ga8cf04a003979e7852209079d4093d783">WT_LOGREC_MESSAGE</a>)</div><div class="line"> printf(<span class="stringliteral">"Application Record: %s\n"</span>, (<span class="keywordtype">char</span> *)value-><a name="a13"></a><a class="code" href="group__wt.html#a57f5e62aa968275d7e398cfa70e49450">data</a>);</div><div class="line">}</div><div class="line"></div><div class="line"><span class="comment">/*</span></div><div class="line"><span class="comment"> * simple_walk_log --</span></div><div class="line"><span class="comment"> * A simple walk of the log.</span></div><div class="line"><span class="comment"> */</span></div><div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span></div><div class="line">simple_walk_log(<a class="code" href="struct_w_t___s_e_s_s_i_o_n.html">WT_SESSION</a> *session, <span class="keywordtype">int</span> count_min)</div><div class="line">{</div><div class="line"> <a class="code" href="struct_w_t___c_u_r_s_o_r.html">WT_CURSOR</a> *cursor;</div><div class="line"> <a class="code" href="group__wt.html#struct_w_t___i_t_e_m">WT_ITEM</a> logrec_key, logrec_value;</div><div class="line"> uint64_t txnid;</div><div class="line"> uint32_t fileid, log_file, log_offset, opcount, optype, rectype;</div><div class="line"> <span class="keywordtype">int</span> count, ret;</div><div class="line"></div><div class="line"> error_check(session-><a class="code" href="struct_w_t___s_e_s_s_i_o_n.html#afb5b4a69c2c5cafe411b2b04fdc1c75d">open_cursor</a>(session, <span class="stringliteral">"log:"</span>, NULL, NULL, &cursor));</div><div class="line"> count = 0;</div><div class="line"> <span class="keywordflow">while</span> ((ret = cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#a0503f16bd8f3d05aa3552f229b3a8e1b">next</a>(cursor)) == 0) {</div><div class="line"> count++;</div><div class="line"> error_check(cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#af19f6f9d9c7fc248ab38879032620b2f">get_key</a>(</div><div class="line"> cursor, &log_file, &log_offset, &opcount));</div><div class="line"> error_check(cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#af85364a5af50b95bbc46c82e72f75c01">get_value</a>(cursor, &txnid,</div><div class="line"> &rectype, &optype, &fileid, &logrec_key, &logrec_value));</div><div class="line"> print_record(log_file, log_offset, opcount,</div><div class="line"> rectype, optype, txnid, fileid, &logrec_key, &logrec_value);</div><div class="line"> }</div><div class="line"> scan_end_check(ret == <a class="code" href="group__wt.html#ga3c9e1b494d95cf34404ab7a974af6bf8">WT_NOTFOUND</a>);</div><div class="line"> error_check(cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#aeea071f192cab12245a50fbe71c3460b">close</a>(cursor));</div><div class="line"></div><div class="line"> <span class="keywordflow">if</span> (count < count_min) {</div><div class="line"> fprintf(stderr,</div><div class="line"> <span class="stringliteral">"Expected minimum %d records, found %d\n"</span>,</div><div class="line"> count_min, count);</div><div class="line"> exit (1);</div><div class="line"> }</div><div class="line">}</div><div class="line"><span class="keyword">static</span> <span class="keywordtype">void</span></div><div class="line">walk_log(<a class="code" href="struct_w_t___s_e_s_s_i_o_n.html">WT_SESSION</a> *session)</div><div class="line">{</div><div class="line"> <a class="code" href="struct_w_t___c_o_n_n_e_c_t_i_o_n.html">WT_CONNECTION</a> *wt_conn2;</div><div class="line"> <a class="code" href="struct_w_t___c_u_r_s_o_r.html">WT_CURSOR</a> *cursor, *cursor2;</div><div class="line"> <a class="code" href="group__wt.html#struct_w_t___i_t_e_m">WT_ITEM</a> logrec_key, logrec_value;</div><div class="line"> <a class="code" href="struct_w_t___s_e_s_s_i_o_n.html">WT_SESSION</a> *session2;</div><div class="line"> uint64_t txnid;</div><div class="line"> uint32_t fileid, opcount, optype, rectype;</div><div class="line"> uint32_t log_file, log_offset, save_file, save_offset;</div><div class="line"> <span class="keywordtype">int</span> first, i, in_txn, ret;</div><div class="line"></div><div class="line"> setup_copy(&wt_conn2, &session2);</div><div class="line"> error_check(session-><a class="code" href="struct_w_t___s_e_s_s_i_o_n.html#afb5b4a69c2c5cafe411b2b04fdc1c75d">open_cursor</a>(session, <span class="stringliteral">"log:"</span>, NULL, NULL, &cursor));</div><div class="line"> error_check(session2-><a class="code" href="struct_w_t___s_e_s_s_i_o_n.html#afb5b4a69c2c5cafe411b2b04fdc1c75d">open_cursor</a>(</div><div class="line"> session2, uri, NULL, <span class="stringliteral">"raw=true"</span>, &cursor2));</div><div class="line"> i = 0;</div><div class="line"> in_txn = 0;</div><div class="line"> txnid = 0;</div><div class="line"> save_file = save_offset = 0;</div><div class="line"> <span class="keywordflow">while</span> ((ret = cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#a0503f16bd8f3d05aa3552f229b3a8e1b">next</a>(cursor)) == 0) {</div><div class="line"> error_check(cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#af19f6f9d9c7fc248ab38879032620b2f">get_key</a>(</div><div class="line"> cursor, &log_file, &log_offset, &opcount));</div><div class="line"> <span class="comment">/*</span></div><div class="line"><span class="comment"> * Save one of the LSNs we get back to search for it</span></div><div class="line"><span class="comment"> * later. Pick a later one because we want to walk from</span></div><div class="line"><span class="comment"> * that LSN to the end (where the multi-step transaction</span></div><div class="line"><span class="comment"> * was performed). Just choose the record that is MAX_KEYS.</span></div><div class="line"><span class="comment"> */</span></div><div class="line"> <span class="keywordflow">if</span> (++i == MAX_KEYS) {</div><div class="line"> save_file = log_file;</div><div class="line"> save_offset = log_offset;</div><div class="line"> }</div><div class="line"> error_check(cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#af85364a5af50b95bbc46c82e72f75c01">get_value</a>(cursor, &txnid, &rectype,</div><div class="line"> &optype, &fileid, &logrec_key, &logrec_value));</div><div class="line"></div><div class="line"> print_record(log_file, log_offset, opcount,</div><div class="line"> rectype, optype, txnid, fileid, &logrec_key, &logrec_value);</div><div class="line"></div><div class="line"> <span class="comment">/*</span></div><div class="line"><span class="comment"> * If we are in a transaction and this is a new one, end</span></div><div class="line"><span class="comment"> * the previous one.</span></div><div class="line"><span class="comment"> */</span></div><div class="line"> <span class="keywordflow">if</span> (in_txn && opcount == 0) {</div><div class="line"> error_check(</div><div class="line"> session2-><a name="a14"></a><a class="code" href="struct_w_t___s_e_s_s_i_o_n.html#a712226eca5ade5bd123026c624468fa2">commit_transaction</a>(session2, NULL));</div><div class="line"> in_txn = 0;</div><div class="line"> }</div><div class="line"></div><div class="line"> <span class="comment">/*</span></div><div class="line"><span class="comment"> * If the operation is a put, replay it here on the backup</span></div><div class="line"><span class="comment"> * connection.</span></div><div class="line"><span class="comment"> *</span></div><div class="line"><span class="comment"> * !!!</span></div><div class="line"><span class="comment"> * Minor cheat: the metadata is fileid 0, skip its records.</span></div><div class="line"><span class="comment"> */</span></div><div class="line"> <span class="keywordflow">if</span> (fileid != 0 &&</div><div class="line"> rectype == <a name="a15"></a><a class="code" href="group__wt.html#gafa49e810f6f760c2bcd2721ec2934991">WT_LOGREC_COMMIT</a> && optype == <a name="a16"></a><a class="code" href="group__wt.html#ga696e6723bc1e3d4c3e5b5dde84fed73e">WT_LOGOP_ROW_PUT</a>) {</div><div class="line"> <span class="keywordflow">if</span> (!in_txn) {</div><div class="line"> error_check(session2-><a name="a17"></a><a class="code" href="struct_w_t___s_e_s_s_i_o_n.html#a7e26b16b26b5870498752322fad790bf">begin_transaction</a>(</div><div class="line"> session2, NULL));</div><div class="line"> in_txn = 1;</div><div class="line"> }</div><div class="line"> cursor2-><a name="a18"></a><a class="code" href="struct_w_t___c_u_r_s_o_r.html#ad1088d719df40babc1f57d086691ebdc">set_key</a>(cursor2, &logrec_key);</div><div class="line"> cursor2-><a name="a19"></a><a class="code" href="struct_w_t___c_u_r_s_o_r.html#a27f7cbd0cd3e561f6a145704813ad64c">set_value</a>(cursor2, &logrec_value);</div><div class="line"> error_check(cursor2-><a name="a20"></a><a class="code" href="struct_w_t___c_u_r_s_o_r.html#aac90d9fbcc031570f924db55f8a1cee3">insert</a>(cursor2));</div><div class="line"> }</div><div class="line"> }</div><div class="line"> <span class="keywordflow">if</span> (in_txn)</div><div class="line"> error_check(session2-><a class="code" href="struct_w_t___s_e_s_s_i_o_n.html#a712226eca5ade5bd123026c624468fa2">commit_transaction</a>(session2, NULL));</div><div class="line"></div><div class="line"> error_check(cursor2-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#aeea071f192cab12245a50fbe71c3460b">close</a>(cursor2));</div><div class="line"> <span class="comment">/*</span></div><div class="line"><span class="comment"> * Compare the tables after replay. They should be identical.</span></div><div class="line"><span class="comment"> */</span></div><div class="line"> compare_tables(session, session2);</div><div class="line"> error_check(session2-><a name="a21"></a><a class="code" href="struct_w_t___s_e_s_s_i_o_n.html#a96f25dfa6447034aea1f67ab02ab5698">close</a>(session2, NULL));</div><div class="line"> error_check(wt_conn2-><a name="a22"></a><a class="code" href="struct_w_t___c_o_n_n_e_c_t_i_o_n.html#af535c517df851eeac8ebf3594d40b545">close</a>(wt_conn2, NULL));</div><div class="line"></div><div class="line"> error_check(cursor-><a name="a23"></a><a class="code" href="struct_w_t___c_u_r_s_o_r.html#afc1b42c22c9c85e1ba08ce3b34437565">reset</a>(cursor));</div><div class="line"> cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#ad1088d719df40babc1f57d086691ebdc">set_key</a>(cursor, save_file, save_offset, 0);</div><div class="line"> error_check(cursor-><a name="a24"></a><a class="code" href="struct_w_t___c_u_r_s_o_r.html#a7e25b2ced2cf3ec68bd5429bf921c79f">search</a>(cursor));</div><div class="line"> printf(<span class="stringliteral">"Reset to saved...\n"</span>);</div><div class="line"> <span class="comment">/*</span></div><div class="line"><span class="comment"> * Walk all records starting with this key.</span></div><div class="line"><span class="comment"> */</span></div><div class="line"> <span class="keywordflow">for</span> (first = 1;;) {</div><div class="line"> error_check(cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#af19f6f9d9c7fc248ab38879032620b2f">get_key</a>(</div><div class="line"> cursor, &log_file, &log_offset, &opcount));</div><div class="line"> <span class="keywordflow">if</span> (first) {</div><div class="line"> first = 0;</div><div class="line"> <span class="keywordflow">if</span> (save_file != log_file ||</div><div class="line"> save_offset != log_offset) {</div><div class="line"> fprintf(stderr,</div><div class="line"> <span class="stringliteral">"search returned the wrong LSN\n"</span>);</div><div class="line"> exit (1);</div><div class="line"> }</div><div class="line"> }</div><div class="line"> error_check(cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#af85364a5af50b95bbc46c82e72f75c01">get_value</a>(cursor, &txnid, &rectype,</div><div class="line"> &optype, &fileid, &logrec_key, &logrec_value));</div><div class="line"></div><div class="line"> print_record(log_file, log_offset, opcount,</div><div class="line"> rectype, optype, txnid, fileid, &logrec_key, &logrec_value);</div><div class="line"></div><div class="line"> ret = cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#a0503f16bd8f3d05aa3552f229b3a8e1b">next</a>(cursor);</div><div class="line"> <span class="keywordflow">if</span> (ret != 0)</div><div class="line"> <span class="keywordflow">break</span>;</div><div class="line"> }</div><div class="line"> scan_end_check(ret == <a class="code" href="group__wt.html#ga3c9e1b494d95cf34404ab7a974af6bf8">WT_NOTFOUND</a>);</div><div class="line"></div><div class="line"> error_check(cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#aeea071f192cab12245a50fbe71c3460b">close</a>(cursor));</div><div class="line">}</div><div class="line"></div><div class="line"><span class="keywordtype">int</span></div><div class="line">main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> *argv[])</div><div class="line">{</div><div class="line"> <a class="code" href="struct_w_t___c_o_n_n_e_c_t_i_o_n.html">WT_CONNECTION</a> *wt_conn;</div><div class="line"> <a class="code" href="struct_w_t___c_u_r_s_o_r.html">WT_CURSOR</a> *cursor;</div><div class="line"> <a class="code" href="struct_w_t___s_e_s_s_i_o_n.html">WT_SESSION</a> *session;</div><div class="line"> <span class="keywordtype">int</span> count_min, i, record_count;</div><div class="line"> <span class="keywordtype">char</span> cmd_buf[256], k[32], v[32];</div><div class="line"></div><div class="line"> (void)argc; <span class="comment">/* Unused variable */</span></div><div class="line"> (void)testutil_set_progname(argv);</div><div class="line"></div><div class="line"> count_min = 0;</div><div class="line"></div><div class="line"> (void)snprintf(cmd_buf, <span class="keyword">sizeof</span>(cmd_buf),</div><div class="line"> <span class="stringliteral">"rm -rf %s %s && mkdir %s %s"</span>, home1, home2, home1, home2);</div><div class="line"> error_check(system(cmd_buf));</div><div class="line"> error_check(<a class="code" href="group__wt.html#gacbe8d118f978f5bfc8ccb4c77c9e8813">wiredtiger_open</a>(home1, NULL, CONN_CONFIG, &wt_conn));</div><div class="line"></div><div class="line"> error_check(wt_conn-><a name="a25"></a><a class="code" href="struct_w_t___c_o_n_n_e_c_t_i_o_n.html#adad5965cd4a60f65b5ac01f7ca6d1fc0">open_session</a>(wt_conn, NULL, NULL, &session));</div><div class="line"> error_check(</div><div class="line"> session-><a name="a26"></a><a class="code" href="struct_w_t___s_e_s_s_i_o_n.html#a358ca4141d59c345f401c58501276bbb">create</a>(session, uri, <span class="stringliteral">"key_format=S,value_format=S"</span>));</div><div class="line"> count_min++;</div><div class="line"></div><div class="line"> error_check(session-><a class="code" href="struct_w_t___s_e_s_s_i_o_n.html#afb5b4a69c2c5cafe411b2b04fdc1c75d">open_cursor</a>(session, uri, NULL, NULL, &cursor));</div><div class="line"> <span class="comment">/*</span></div><div class="line"><span class="comment"> * Perform some operations with individual auto-commit transactions.</span></div><div class="line"><span class="comment"> */</span></div><div class="line"> <span class="keywordflow">for</span> (record_count = 0, i = 0; i < MAX_KEYS; i++, record_count++) {</div><div class="line"> (void)snprintf(k, <span class="keyword">sizeof</span>(k), <span class="stringliteral">"key%d"</span>, i);</div><div class="line"> (void)snprintf(v, <span class="keyword">sizeof</span>(v), <span class="stringliteral">"value%d"</span>, i);</div><div class="line"> cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#ad1088d719df40babc1f57d086691ebdc">set_key</a>(cursor, k);</div><div class="line"> cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#a27f7cbd0cd3e561f6a145704813ad64c">set_value</a>(cursor, v);</div><div class="line"> error_check(cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#aac90d9fbcc031570f924db55f8a1cee3">insert</a>(cursor));</div><div class="line"> count_min++;</div><div class="line"> }</div><div class="line"> error_check(session-><a class="code" href="struct_w_t___s_e_s_s_i_o_n.html#a7e26b16b26b5870498752322fad790bf">begin_transaction</a>(session, NULL));</div><div class="line"> <span class="comment">/*</span></div><div class="line"><span class="comment"> * Perform some operations within a single transaction.</span></div><div class="line"><span class="comment"> */</span></div><div class="line"> <span class="keywordflow">for</span> (i = MAX_KEYS; i < MAX_KEYS+5; i++, record_count++) {</div><div class="line"> (void)snprintf(k, <span class="keyword">sizeof</span>(k), <span class="stringliteral">"key%d"</span>, i);</div><div class="line"> (void)snprintf(v, <span class="keyword">sizeof</span>(v), <span class="stringliteral">"value%d"</span>, i);</div><div class="line"> cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#ad1088d719df40babc1f57d086691ebdc">set_key</a>(cursor, k);</div><div class="line"> cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#a27f7cbd0cd3e561f6a145704813ad64c">set_value</a>(cursor, v);</div><div class="line"> error_check(cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#aac90d9fbcc031570f924db55f8a1cee3">insert</a>(cursor));</div><div class="line"> }</div><div class="line"> error_check(session-><a class="code" href="struct_w_t___s_e_s_s_i_o_n.html#a712226eca5ade5bd123026c624468fa2">commit_transaction</a>(session, NULL));</div><div class="line"> count_min++;</div><div class="line"> error_check(cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#aeea071f192cab12245a50fbe71c3460b">close</a>(cursor));</div><div class="line"></div><div class="line"> error_check(</div><div class="line"> session-><a name="a27"></a><a class="code" href="struct_w_t___s_e_s_s_i_o_n.html#ac85541ca42d7596857d9f50e03c78eb5">log_printf</a>(session, <span class="stringliteral">"Wrote %d records"</span>, record_count));</div><div class="line"> count_min++;</div><div class="line"></div><div class="line"> <span class="comment">/*</span></div><div class="line"><span class="comment"> * Close and reopen the connection so that the log ends up with</span></div><div class="line"><span class="comment"> * a variety of records such as file sync and checkpoint. We</span></div><div class="line"><span class="comment"> * have archiving turned off.</span></div><div class="line"><span class="comment"> */</span></div><div class="line"> error_check(wt_conn-><a class="code" href="struct_w_t___c_o_n_n_e_c_t_i_o_n.html#af535c517df851eeac8ebf3594d40b545">close</a>(wt_conn, NULL));</div><div class="line"> error_check(<a class="code" href="group__wt.html#gacbe8d118f978f5bfc8ccb4c77c9e8813">wiredtiger_open</a>(home1, NULL, CONN_CONFIG, &wt_conn));</div><div class="line"></div><div class="line"> error_check(wt_conn-><a class="code" href="struct_w_t___c_o_n_n_e_c_t_i_o_n.html#adad5965cd4a60f65b5ac01f7ca6d1fc0">open_session</a>(wt_conn, NULL, NULL, &session));</div><div class="line"> simple_walk_log(session, count_min);</div><div class="line"> walk_log(session);</div><div class="line"> error_check(wt_conn-><a class="code" href="struct_w_t___c_o_n_n_e_c_t_i_o_n.html#af535c517df851eeac8ebf3594d40b545">close</a>(wt_conn, NULL));</div><div class="line"></div><div class="line"> <span class="keywordflow">return</span> (EXIT_SUCCESS);</div><div class="line">}</div></div><!-- fragment --> </div><!-- contents -->
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