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<div class="title">transaction.h</div> </div>
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<a href="transaction_8h.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> </div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">/***********************************************************************</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> Copyright (c) 2006-2009 by Educational Technology Resources, Inc. and</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> (c) 2008 by AboveNet, Inc. Others may also hold copyrights on code</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> in this file. See the CREDITS.txt file in the top directory of the</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> distribution for details.</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"></span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> This file is part of MySQL++.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"></span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> MySQL++ is free software; you can redistribute it and/or modify it</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> under the terms of the GNU Lesser General Public License as published</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> by the Free Software Foundation; either version 2.1 of the License, or</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> (at your option) any later version.</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"></span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> MySQL++ is distributed in the hope that it will be useful, but WITHOUT</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment"> ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment"> FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"> License for more details.</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment"></span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> License along with MySQL++; if not, write to the Free Software</span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301</span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> USA</span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="comment">***********************************************************************/</span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> </div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#if !defined(MYSQLPP_TRANSACTION_H)</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"></span><span class="preprocessor">#define MYSQLPP_TRANSACTION_H</span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor">#include "<a class="code" href="common_8h.html">common.h</a>"</span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">namespace </span>mysqlpp {</div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#if !defined(DOXYGEN_IGNORE)</span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor"></span><span class="comment">// Make Doxygen ignore this</span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="keyword">class </span>MYSQLPP_EXPORT Connection;</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> </div>
<div class="line"><a name="l00046"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1Transaction.html"> 46</a></span> <span class="keyword">class </span>MYSQLPP_EXPORT <a class="code" href="classmysqlpp_1_1Transaction.html">Transaction</a></div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span> {</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1Transaction.html#a91d16b4539a969fb632ee672999cdd1f"> 55</a></span>  <span class="keyword">enum</span> <a class="code" href="classmysqlpp_1_1Transaction.html#a91d16b4539a969fb632ee672999cdd1f">IsolationLevel</a> {</div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1Transaction.html#a91d16b4539a969fb632ee672999cdd1fa3932f25965a310d79e396f8f749f3d17"> 56</a></span>  <a class="code" href="classmysqlpp_1_1Transaction.html#a91d16b4539a969fb632ee672999cdd1fa3932f25965a310d79e396f8f749f3d17">read_uncommitted</a>, </div>
<div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1Transaction.html#a91d16b4539a969fb632ee672999cdd1fa82065aaf4094dab18b48d8e973d4ef4f"> 57</a></span>  <a class="code" href="classmysqlpp_1_1Transaction.html#a91d16b4539a969fb632ee672999cdd1fa82065aaf4094dab18b48d8e973d4ef4f">read_committed</a>, </div>
<div class="line"><a name="l00058"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1Transaction.html#a91d16b4539a969fb632ee672999cdd1fa6a5934315b282de9c0f4037297c6f93a"> 58</a></span>  <a class="code" href="classmysqlpp_1_1Transaction.html#a91d16b4539a969fb632ee672999cdd1fa6a5934315b282de9c0f4037297c6f93a">repeatable_read</a>, </div>
<div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1Transaction.html#a91d16b4539a969fb632ee672999cdd1fa6479eabcb53fb2d5b2ade3b254f0fd61"> 59</a></span>  serializable </div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  };</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  <span class="comment">// the isolation scope will affect.</span></div>
<div class="line"><a name="l00067"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1Transaction.html#a933f0528d41cea97732d9e70e232612c"> 67</a></span>  <span class="keyword">enum</span> <a class="code" href="classmysqlpp_1_1Transaction.html#a933f0528d41cea97732d9e70e232612c">IsolationScope</a> {</div>
<div class="line"><a name="l00068"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1Transaction.html#a933f0528d41cea97732d9e70e232612caf73085a07470c23fcdf8c9792cf4839d"> 68</a></span>  <a class="code" href="classmysqlpp_1_1Transaction.html#a933f0528d41cea97732d9e70e232612caf73085a07470c23fcdf8c9792cf4839d">this_transaction</a>, </div>
<div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1Transaction.html#a933f0528d41cea97732d9e70e232612caaa607cae58b78192121c1e1e96111298"> 69</a></span>  <a class="code" href="classmysqlpp_1_1Transaction.html#a933f0528d41cea97732d9e70e232612caaa607cae58b78192121c1e1e96111298">session</a>, </div>
<div class="line"><a name="l00070"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1Transaction.html#a933f0528d41cea97732d9e70e232612ca707b5ddb102ba887030eb7f15acfe80e"> 70</a></span>  global </div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  };</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="classmysqlpp_1_1Transaction.html">Transaction</a>(<a class="code" href="classmysqlpp_1_1Connection.html">Connection</a>& conn, <span class="keywordtype">bool</span> consistent = <span class="keyword">false</span>);</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <a class="code" href="classmysqlpp_1_1Transaction.html">Transaction</a>(<a class="code" href="classmysqlpp_1_1Connection.html">Connection</a>& conn, IsolationLevel level,</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  IsolationScope scope = this_transaction,</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  <span class="keywordtype">bool</span> consistent = <span class="keyword">false</span>);</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  ~<a class="code" href="classmysqlpp_1_1Transaction.html">Transaction</a>();</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span> </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordtype">void</span> commit();</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> </div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordtype">void</span> rollback();</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> <span class="keyword">private</span>:</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <a class="code" href="classmysqlpp_1_1Connection.html">Connection</a>& conn_; </div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordtype">bool</span> finished_; </div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> };</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> </div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div>
<div class="line"><a name="l00137"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1NoTransaction.html"> 137</a></span> <span class="keyword">class </span>MYSQLPP_EXPORT <a class="code" href="classmysqlpp_1_1NoTransaction.html">NoTransaction</a></div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span> {</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span> <span class="keyword">public</span>:</div>
<div class="line"><a name="l00141"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1NoTransaction.html#a7b255c73b2f978254a6d71c193ee7804"> 141</a></span>  <a class="code" href="classmysqlpp_1_1NoTransaction.html#a7b255c73b2f978254a6d71c193ee7804">NoTransaction</a>(<a class="code" href="classmysqlpp_1_1Connection.html">Connection</a>&, <span class="keywordtype">bool</span> = <span class="keyword">false</span>)</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  {</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  }</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div>
<div class="line"><a name="l00146"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1NoTransaction.html#adbfd3f9de75fee1904eb216fb17ea1b2"> 146</a></span>  <a class="code" href="classmysqlpp_1_1NoTransaction.html#adbfd3f9de75fee1904eb216fb17ea1b2">~NoTransaction</a>() { }</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> </div>
<div class="line"><a name="l00149"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1NoTransaction.html#a6cf5b1a6d4b6baaf60077ef3afafa853"> 149</a></span>  <span class="keywordtype">void</span> <a class="code" href="classmysqlpp_1_1NoTransaction.html#a6cf5b1a6d4b6baaf60077ef3afafa853">commit</a>() { }</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span> </div>
<div class="line"><a name="l00152"></a><span class="lineno"><a class="line" href="classmysqlpp_1_1NoTransaction.html#a1494ffb3d3b2f6b8d2990cd934fecb6a"> 152</a></span>  <span class="keywordtype">void</span> <a class="code" href="classmysqlpp_1_1NoTransaction.html#a1494ffb3d3b2f6b8d2990cd934fecb6a">rollback</a>() { }</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> };</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> } <span class="comment">// end namespace mysqlpp</span></div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> </div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> <span class="preprocessor">#endif // !defined(MYSQLPP_TRANSACTION_H)</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span> <span class="preprocessor"></span></div>
<div class="ttc" id="classmysqlpp_1_1NoTransaction_html_a6cf5b1a6d4b6baaf60077ef3afafa853"><div class="ttname"><a href="classmysqlpp_1_1NoTransaction.html#a6cf5b1a6d4b6baaf60077ef3afafa853">mysqlpp::NoTransaction::commit</a></div><div class="ttdeci">void commit()</div><div class="ttdoc">stub to replace Transaction::commit() </div><div class="ttdef"><b>Definition:</b> transaction.h:149</div></div>
<div class="ttc" id="classmysqlpp_1_1Transaction_html_a933f0528d41cea97732d9e70e232612c"><div class="ttname"><a href="classmysqlpp_1_1Transaction.html#a933f0528d41cea97732d9e70e232612c">mysqlpp::Transaction::IsolationScope</a></div><div class="ttdeci">IsolationScope</div><div class="ttdoc">Isolation level scopes defined in SQL. </div><div class="ttdef"><b>Definition:</b> transaction.h:67</div></div>
<div class="ttc" id="classmysqlpp_1_1NoTransaction_html_a1494ffb3d3b2f6b8d2990cd934fecb6a"><div class="ttname"><a href="classmysqlpp_1_1NoTransaction.html#a1494ffb3d3b2f6b8d2990cd934fecb6a">mysqlpp::NoTransaction::rollback</a></div><div class="ttdeci">void rollback()</div><div class="ttdoc">stub to replace Transaction::rollback() </div><div class="ttdef"><b>Definition:</b> transaction.h:152</div></div>
<div class="ttc" id="classmysqlpp_1_1NoTransaction_html"><div class="ttname"><a href="classmysqlpp_1_1NoTransaction.html">mysqlpp::NoTransaction</a></div><div class="ttdoc">Compile-time substitute for Transaction, which purposely does nothing. Use it to instantiate template...</div><div class="ttdef"><b>Definition:</b> transaction.h:137</div></div>
<div class="ttc" id="classmysqlpp_1_1Transaction_html_a933f0528d41cea97732d9e70e232612caf73085a07470c23fcdf8c9792cf4839d"><div class="ttname"><a href="classmysqlpp_1_1Transaction.html#a933f0528d41cea97732d9e70e232612caf73085a07470c23fcdf8c9792cf4839d">mysqlpp::Transaction::this_transaction</a></div><div class="ttdoc">change level for this transaction only </div><div class="ttdef"><b>Definition:</b> transaction.h:68</div></div>
<div class="ttc" id="classmysqlpp_1_1Transaction_html_a91d16b4539a969fb632ee672999cdd1fa82065aaf4094dab18b48d8e973d4ef4f"><div class="ttname"><a href="classmysqlpp_1_1Transaction.html#a91d16b4539a969fb632ee672999cdd1fa82065aaf4094dab18b48d8e973d4ef4f">mysqlpp::Transaction::read_committed</a></div><div class="ttdoc">only read rows committed by other transactions </div><div class="ttdef"><b>Definition:</b> transaction.h:57</div></div>
<div class="ttc" id="classmysqlpp_1_1Connection_html"><div class="ttname"><a href="classmysqlpp_1_1Connection.html">mysqlpp::Connection</a></div><div class="ttdoc">Manages the connection to the database server. </div><div class="ttdef"><b>Definition:</b> connection.h:59</div></div>
<div class="ttc" id="classmysqlpp_1_1Transaction_html_a91d16b4539a969fb632ee672999cdd1fa3932f25965a310d79e396f8f749f3d17"><div class="ttname"><a href="classmysqlpp_1_1Transaction.html#a91d16b4539a969fb632ee672999cdd1fa3932f25965a310d79e396f8f749f3d17">mysqlpp::Transaction::read_uncommitted</a></div><div class="ttdoc">allow &quot;dirty reads&quot; from other transactions </div><div class="ttdef"><b>Definition:</b> transaction.h:56</div></div>
<div class="ttc" id="classmysqlpp_1_1Transaction_html"><div class="ttname"><a href="classmysqlpp_1_1Transaction.html">mysqlpp::Transaction</a></div><div class="ttdoc">Helper object for creating exception-safe SQL transactions. </div><div class="ttdef"><b>Definition:</b> transaction.h:46</div></div>
<div class="ttc" id="classmysqlpp_1_1NoTransaction_html_adbfd3f9de75fee1904eb216fb17ea1b2"><div class="ttname"><a href="classmysqlpp_1_1NoTransaction.html#adbfd3f9de75fee1904eb216fb17ea1b2">mysqlpp::NoTransaction::~NoTransaction</a></div><div class="ttdeci">~NoTransaction()</div><div class="ttdoc">Destructor. </div><div class="ttdef"><b>Definition:</b> transaction.h:146</div></div>
<div class="ttc" id="classmysqlpp_1_1Transaction_html_a91d16b4539a969fb632ee672999cdd1f"><div class="ttname"><a href="classmysqlpp_1_1Transaction.html#a91d16b4539a969fb632ee672999cdd1f">mysqlpp::Transaction::IsolationLevel</a></div><div class="ttdeci">IsolationLevel</div><div class="ttdoc">Transaction isolation levels defined in SQL. </div><div class="ttdef"><b>Definition:</b> transaction.h:55</div></div>
<div class="ttc" id="classmysqlpp_1_1Transaction_html_a91d16b4539a969fb632ee672999cdd1fa6a5934315b282de9c0f4037297c6f93a"><div class="ttname"><a href="classmysqlpp_1_1Transaction.html#a91d16b4539a969fb632ee672999cdd1fa6a5934315b282de9c0f4037297c6f93a">mysqlpp::Transaction::repeatable_read</a></div><div class="ttdoc">other transactions do not affect repeated reads in this transaction </div><div class="ttdef"><b>Definition:</b> transaction.h:58</div></div>
<div class="ttc" id="classmysqlpp_1_1NoTransaction_html_a7b255c73b2f978254a6d71c193ee7804"><div class="ttname"><a href="classmysqlpp_1_1NoTransaction.html#a7b255c73b2f978254a6d71c193ee7804">mysqlpp::NoTransaction::NoTransaction</a></div><div class="ttdeci">NoTransaction(Connection &, bool=false)</div><div class="ttdoc">Constructor. </div><div class="ttdef"><b>Definition:</b> transaction.h:141</div></div>
<div class="ttc" id="classmysqlpp_1_1Transaction_html_a933f0528d41cea97732d9e70e232612caaa607cae58b78192121c1e1e96111298"><div class="ttname"><a href="classmysqlpp_1_1Transaction.html#a933f0528d41cea97732d9e70e232612caaa607cae58b78192121c1e1e96111298">mysqlpp::Transaction::session</a></div><div class="ttdoc">change level for all transactions in this session </div><div class="ttdef"><b>Definition:</b> transaction.h:69</div></div>
<div class="ttc" id="common_8h_html"><div class="ttname"><a href="common_8h.html">common.h</a></div><div class="ttdoc">This file includes top-level definitions for use both internal to the library, and outside it...</div></div>
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