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<li class="navelem"><a class="el" href="dir_df9c78dcf3f59a33b12284f95992a64b.html">ripple</a></li><li class="navelem"><a class="el" href="dir_9f69212e4c6e2ca9ec5ab59cd7b6275c.html">app</a></li><li class="navelem"><a class="el" href="dir_6fe6f4dca26289abeb8b3619a8f9ad32.html">rdb</a></li><li class="navelem"><a class="el" href="dir_1ae1364b37866bc8f8141af60c9f44a5.html">backend</a></li><li class="navelem"><a class="el" href="dir_5801419af67c8679bcbb6d027b870574.html">detail</a></li><li class="navelem"><a class="el" href="dir_e44a5384d561646a38a5473b29611d1b.html">impl</a></li> </ul>
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<div class="title">app/rdb/backend/detail/impl/Shard.cpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>&#160;<span class="comment">//------------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span>&#160;<span class="comment">/*</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span>&#160;<span class="comment"> This file is part of rippled: https://github.com/ripple/rippled</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span>&#160;<span class="comment"> Copyright (c) 2020 Ripple Labs Inc.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span>&#160;<span class="comment"> Permission to use, copy, modify, and/or distribute this software for any</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span>&#160;<span class="comment"> purpose with or without fee is hereby granted, provided that the above</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span>&#160;<span class="comment"> copyright notice and this permission notice appear in all copies.</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span>&#160;<span class="comment"></span> </div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span>&#160;<span class="comment"> THE SOFTWARE IS PROVIDED &quot;AS IS&quot; AND THE AUTHOR DISCLAIMS ALL WARRANTIES</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span>&#160;<span class="comment"> WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span>&#160;<span class="comment"> MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span>&#160;<span class="comment"> ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span>&#160;<span class="comment"> WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>&#160;<span class="comment"> ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span>&#160;<span class="comment"> OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span>&#160;<span class="comment">*/</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span>&#160;<span class="comment">//==============================================================================</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span>&#160; </div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span>&#160;<span class="preprocessor">#include &lt;ripple/app/ledger/AcceptedLedger.h&gt;</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span>&#160;<span class="preprocessor">#include &lt;ripple/app/ledger/LedgerMaster.h&gt;</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>&#160;<span class="preprocessor">#include &lt;ripple/app/rdb/backend/detail/Shard.h&gt;</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>&#160;<span class="preprocessor">#include &lt;ripple/basics/StringUtilities.h&gt;</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>&#160;<span class="preprocessor">#include &lt;ripple/core/DatabaseCon.h&gt;</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>&#160;<span class="preprocessor">#include &lt;ripple/core/SociDB.h&gt;</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>&#160;<span class="preprocessor">#include &lt;ripple/json/to_string.h&gt;</span></div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>&#160; </div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>&#160;<span class="keyword">namespace </span><a class="code" href="namespaceripple.html">ripple</a> {</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>&#160;<span class="keyword">namespace </span>detail {</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>&#160; </div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>&#160;DatabasePair</div>
<div class="line"><a name="l00032"></a><span class="lineno"><a class="line" href="namespaceripple_1_1detail.html#a131118ac74fb5f75f95f3cc038d9240c"> 32</a></span>&#160;<a class="code" href="namespaceripple_1_1detail.html#a131118ac74fb5f75f95f3cc038d9240c">makeMetaDBs</a>(</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>&#160; <a class="code" href="classripple_1_1Config.html">Config</a> <span class="keyword">const</span>&amp; config,</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>&#160; <a class="code" href="structripple_1_1DatabaseCon_1_1Setup.html">DatabaseCon::Setup</a> <span class="keyword">const</span>&amp; setup,</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>&#160; <a class="code" href="structripple_1_1DatabaseCon_1_1CheckpointerSetup.html">DatabaseCon::CheckpointerSetup</a> <span class="keyword">const</span>&amp; checkpointerSetup)</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>&#160;{</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>&#160; <span class="comment">// ledger meta database</span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>&#160; <span class="keyword">auto</span> lgrMetaDB{std::make_unique&lt;DatabaseCon&gt;(</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>&#160; setup,</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>&#160; <a class="code" href="namespaceripple.html#ace4f3f141f058402a00e827f9af08ffd">LgrMetaDBName</a>,</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>&#160; <a class="code" href="namespaceripple.html#af232250947dc26f1d58f7e99f2e7efa4">LgrMetaDBPragma</a>,</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>&#160; <a class="code" href="namespaceripple.html#a1635dd041defd7a62432a37ecd806929">LgrMetaDBInit</a>,</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>&#160; checkpointerSetup)};</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>&#160; </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>&#160; <span class="keywordflow">if</span> (!config.<a class="code" href="classripple_1_1Config.html#aa09be5266eca22f68f27e60169291ec5">useTxTables</a>())</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>&#160; <span class="keywordflow">return</span> {std::move(lgrMetaDB), <span class="keyword">nullptr</span>};</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>&#160; </div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>&#160; <span class="comment">// transaction meta database</span></div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>&#160; <span class="keyword">auto</span> txMetaDB{std::make_unique&lt;DatabaseCon&gt;(</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>&#160; setup, <a class="code" href="namespaceripple.html#a828c5136551603cc0491707fe811bfda">TxMetaDBName</a>, <a class="code" href="namespaceripple.html#a6b15322de4729e558e24800367e88b20">TxMetaDBPragma</a>, <a class="code" href="namespaceripple.html#a352c21021e7c74510625603965eafade">TxMetaDBInit</a>, checkpointerSetup)};</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>&#160; </div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>&#160; <span class="keywordflow">return</span> {std::move(lgrMetaDB), std::move(txMetaDB)};</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>&#160;}</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160; </div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160;<span class="keywordtype">bool</span></div>
<div class="line"><a name="l00056"></a><span class="lineno"><a class="line" href="namespaceripple_1_1detail.html#ab91a734fd58da3e9628afe37bd4b6204"> 56</a></span>&#160;<a class="code" href="namespaceripple_1_1detail.html#ab91a734fd58da3e9628afe37bd4b6204">saveLedgerMeta</a>(</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr&lt;Ledger const&gt;</a> <span class="keyword">const</span>&amp; ledger,</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160; <a class="code" href="classripple_1_1Application.html">Application</a>&amp; app,</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; soci::session&amp; lgrMetaSession,</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; soci::session&amp; txnMetaSession,</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> <span class="keyword">const</span> shardIndex)</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160;{</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string_view.html">std::string_view</a> constexpr lgrSQL =</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; R<span class="stringliteral">&quot;sql(INSERT OR REPLACE INTO LedgerMeta VALUES</span></div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;<span class="stringliteral"> (:ledgerHash,:shardIndex);)sql&quot;;</span></div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>&#160;<span class="stringliteral"> </span><span class="keyword">auto</span> <span class="keyword">const</span> hash = <a class="code" href="namespaceripple_1_1detail.html#a3410327039220be654fb0df46fc719e1">to_string</a>(ledger-&gt;info().hash);</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>&#160; lgrMetaSession &lt;&lt; lgrSQL, soci::use(hash), soci::use(shardIndex);</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>&#160; </div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>&#160; <span class="keywordflow">if</span> (!app.<a class="code" href="classripple_1_1Application.html#aca56b7c63030174e59720ab51d739422">config</a>().<a class="code" href="classripple_1_1Config.html#aa09be5266eca22f68f27e60169291ec5">useTxTables</a>())</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>&#160; </div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>&#160; <span class="keyword">auto</span> <span class="keyword">const</span> aLedger = [&amp;app, ledger]() -&gt; <a class="codeRef" href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr&lt;AcceptedLedger&gt;</a> {</div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>&#160; <span class="keywordflow">try</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>&#160; {</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>&#160; <span class="keyword">auto</span> aLedger =</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>&#160; app.<a class="code" href="classripple_1_1Application.html#ac583325a9d3eb00c35d17744f8fe5203">getAcceptedLedgerCache</a>().fetch(ledger-&gt;info().hash);</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>&#160; <span class="keywordflow">if</span> (!aLedger)</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>&#160; {</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>&#160; aLedger = std::make_shared&lt;AcceptedLedger&gt;(ledger, app);</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>&#160; app.<a class="code" href="classripple_1_1Application.html#ac583325a9d3eb00c35d17744f8fe5203">getAcceptedLedgerCache</a>().canonicalize_replace_client(</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>&#160; ledger-&gt;info().hash, aLedger);</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>&#160; }</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>&#160; </div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>&#160; <span class="keywordflow">return</span> aLedger;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>&#160; }</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>&#160; <span class="keywordflow">catch</span> (<a class="codeRef" href="http://en.cppreference.com/w/cpp/error/exception.html">std::exception</a> <span class="keyword">const</span>&amp;)</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span>&#160; {</div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>&#160; JLOG(app.<a class="code" href="classripple_1_1Application.html#a2897c28a5b5040e80e66f676d201d03f">journal</a>(<span class="stringliteral">&quot;Ledger&quot;</span>).<a class="code" href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">warn</a>())</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>&#160; &lt;&lt; <span class="stringliteral">&quot;An accepted ledger was missing nodes&quot;</span>;</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>&#160; }</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>&#160; </div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span>&#160; <span class="keywordflow">return</span> {};</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>&#160; }();</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>&#160; </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>&#160; <span class="keywordflow">if</span> (!aLedger)</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>&#160; <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>&#160; </div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span>&#160; soci::transaction tr(txnMetaSession);</div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>&#160; </div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>&#160; <span class="keywordflow">for</span> (<span class="keyword">auto</span> <span class="keyword">const</span>&amp; acceptedLedgerTx : *aLedger)</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>&#160; {</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/string/basic_string_view.html">std::string_view</a> constexpr txnSQL =</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>&#160; R<span class="stringliteral">&quot;sql(INSERT OR REPLACE INTO TransactionMeta VALUES</span></div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>&#160;<span class="stringliteral"> (:transactionID,:shardIndex);)sql&quot;;</span></div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>&#160;<span class="stringliteral"></span> </div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>&#160;<span class="stringliteral"> </span><span class="keyword">auto</span> <span class="keyword">const</span> <a class="code" href="namespaceripple.html#ad5143ceada01141772ae4aab984f94bda9ff03a73c38a945848893498e0c617a4">transactionID</a> =</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>&#160; <a class="code" href="namespaceripple_1_1detail.html#a3410327039220be654fb0df46fc719e1">to_string</a>(acceptedLedgerTx-&gt;getTransactionID());</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>&#160; </div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>&#160; txnMetaSession &lt;&lt; txnSQL, soci::use(<a class="code" href="namespaceripple.html#ad5143ceada01141772ae4aab984f94bda9ff03a73c38a945848893498e0c617a4">transactionID</a>),</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>&#160; soci::use(shardIndex);</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>&#160; }</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>&#160; </div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>&#160; tr.commit();</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>&#160; <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>&#160;}</div>
<div class="line"><a name="l00117"></a><span class="lineno"><a class="line" href="namespaceripple_1_1detail.html#ad54aa93bcb0bf57d942f1b9bb54f8d16"> 117</a></span>&#160; </div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>&#160;<a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;std::uint32_t&gt;</a></div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>&#160;<a class="code" href="namespaceripple_1_1detail.html#ad54aa93bcb0bf57d942f1b9bb54f8d16">getShardIndexforLedger</a>(soci::session&amp; session, <a class="code" href="classripple_1_1base__uint.html">LedgerHash</a> <span class="keyword">const</span>&amp; hash)</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>&#160;{</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> shardIndex;</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>&#160; session &lt;&lt; <span class="stringliteral">&quot;SELECT ShardIndex FROM LedgerMeta WHERE LedgerHash = &#39;&quot;</span> &lt;&lt; hash</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>&#160; &lt;&lt; <span class="stringliteral">&quot;&#39;;&quot;</span>,</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>&#160; soci::into(shardIndex);</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>&#160; </div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span>&#160; <span class="keywordflow">if</span> (!session.got_data())</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>&#160; <span class="keywordflow">return</span> std::nullopt;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>&#160; </div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>&#160; <span class="keywordflow">return</span> shardIndex;</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>&#160;}</div>
<div class="line"><a name="l00131"></a><span class="lineno"><a class="line" href="namespaceripple_1_1detail.html#ab126eebd8d37a5cfee0882a45977d1d9"> 131</a></span>&#160; </div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>&#160;<a class="codeRef" href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt;std::uint32_t&gt;</a></div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>&#160;<a class="code" href="namespaceripple_1_1detail.html#ab126eebd8d37a5cfee0882a45977d1d9">getShardIndexforTransaction</a>(soci::session&amp; session, <a class="code" href="classripple_1_1base__uint.html">TxID</a> <span class="keyword">const</span>&amp; <span class="keywordtype">id</span>)</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>&#160;{</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>&#160; <a class="codeRef" href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a> shardIndex;</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>&#160; session &lt;&lt; <span class="stringliteral">&quot;SELECT ShardIndex FROM TransactionMeta WHERE TransID = &#39;&quot;</span> &lt;&lt; <span class="keywordtype">id</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>&#160; &lt;&lt; <span class="stringliteral">&quot;&#39;;&quot;</span>,</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>&#160; soci::into(shardIndex);</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>&#160; </div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>&#160; <span class="keywordflow">if</span> (!session.got_data())</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>&#160; <span class="keywordflow">return</span> std::nullopt;</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>&#160; </div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>&#160; <span class="keywordflow">return</span> shardIndex;</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>&#160;}</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>&#160; </div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>&#160;} <span class="comment">// namespace detail</span></div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>&#160;} <span class="comment">// namespace ripple</span></div>
</div><!-- fragment --></div><!-- contents -->
<div class="ttc" id="aclassripple_1_1Application_html"><div class="ttname"><a href="classripple_1_1Application.html">ripple::Application</a></div><div class="ttdef"><b>Definition:</b> <a href="Application_8h_source.html#l00115">Application.h:115</a></div></div>
<div class="ttc" id="anamespaceripple_1_1detail_html_ab126eebd8d37a5cfee0882a45977d1d9"><div class="ttname"><a href="namespaceripple_1_1detail.html#ab126eebd8d37a5cfee0882a45977d1d9">ripple::detail::getShardIndexforTransaction</a></div><div class="ttdeci">std::optional&lt; std::uint32_t &gt; getShardIndexforTransaction(soci::session &amp;session, TxID const &amp;id)</div><div class="ttdoc">getShardIndexforTransaction Queries the transaction meta database to retrieve the index of the shard ...</div><div class="ttdef"><b>Definition:</b> <a href="app_2rdb_2backend_2detail_2impl_2Shard_8cpp_source.html#l00131">app/rdb/backend/detail/impl/Shard.cpp:131</a></div></div>
<div class="ttc" id="aclassripple_1_1Application_html_ac583325a9d3eb00c35d17744f8fe5203"><div class="ttname"><a href="classripple_1_1Application.html#ac583325a9d3eb00c35d17744f8fe5203">ripple::Application::getAcceptedLedgerCache</a></div><div class="ttdeci">virtual TaggedCache&lt; uint256, AcceptedLedger &gt; &amp; getAcceptedLedgerCache()=0</div></div>
<div class="ttc" id="ashared_ptr_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/memory/shared_ptr.html">std::shared_ptr</a></div><div class="ttdoc">STL class.</div></div>
<div class="ttc" id="aexception_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/error/exception.html">std::exception</a></div><div class="ttdoc">STL class.</div></div>
<div class="ttc" id="astructripple_1_1DatabaseCon_1_1Setup_html"><div class="ttname"><a href="structripple_1_1DatabaseCon_1_1Setup.html">ripple::DatabaseCon::Setup</a></div><div class="ttdef"><b>Definition:</b> <a href="DatabaseCon_8h_source.html#l00084">DatabaseCon.h:84</a></div></div>
<div class="ttc" id="anamespaceripple_1_1detail_html_ab91a734fd58da3e9628afe37bd4b6204"><div class="ttname"><a href="namespaceripple_1_1detail.html#ab91a734fd58da3e9628afe37bd4b6204">ripple::detail::saveLedgerMeta</a></div><div class="ttdeci">bool saveLedgerMeta(std::shared_ptr&lt; Ledger const &gt; const &amp;ledger, Application &amp;app, soci::session &amp;lgrMetaSession, soci::session &amp;txnMetaSession, std::uint32_t const shardIndex)</div><div class="ttdoc">saveLedgerMeta Stores (transaction ID -&gt; shard index) and (ledger hash -&gt; shard index) mappings in th...</div><div class="ttdef"><b>Definition:</b> <a href="app_2rdb_2backend_2detail_2impl_2Shard_8cpp_source.html#l00056">app/rdb/backend/detail/impl/Shard.cpp:56</a></div></div>
<div class="ttc" id="anamespaceripple_html_a1635dd041defd7a62432a37ecd806929"><div class="ttname"><a href="namespaceripple.html#a1635dd041defd7a62432a37ecd806929">ripple::LgrMetaDBInit</a></div><div class="ttdeci">constexpr std::array&lt; char const *, 3 &gt; LgrMetaDBInit</div><div class="ttdef"><b>Definition:</b> <a href="DBInit_8h_source.html#l00149">DBInit.h:149</a></div></div>
<div class="ttc" id="abasic_string_view_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/string/basic_string_view.html">std::string_view</a></div><div class="ttdoc">STL class.</div></div>
<div class="ttc" id="anamespaceripple_1_1detail_html_a3410327039220be654fb0df46fc719e1"><div class="ttname"><a href="namespaceripple_1_1detail.html#a3410327039220be654fb0df46fc719e1">ripple::detail::to_string</a></div><div class="ttdeci">static std::string to_string(TableType type)</div><div class="ttdoc">to_string Returns the name of a table according to its TableType.</div><div class="ttdef"><b>Definition:</b> <a href="Node_8cpp_source.html#l00046">Node.cpp:46</a></div></div>
<div class="ttc" id="anamespaceripple_1_1detail_html_a131118ac74fb5f75f95f3cc038d9240c"><div class="ttname"><a href="namespaceripple_1_1detail.html#a131118ac74fb5f75f95f3cc038d9240c">ripple::detail::makeMetaDBs</a></div><div class="ttdeci">DatabasePair makeMetaDBs(Config const &amp;config, DatabaseCon::Setup const &amp;setup, DatabaseCon::CheckpointerSetup const &amp;checkpointerSetup)</div><div class="ttdoc">makeMetaDBs Opens ledger and transaction 'meta' databases which map ledger hashes and transaction IDs...</div><div class="ttdef"><b>Definition:</b> <a href="app_2rdb_2backend_2detail_2impl_2Shard_8cpp_source.html#l00032">app/rdb/backend/detail/impl/Shard.cpp:32</a></div></div>
<div class="ttc" id="astructripple_1_1DatabaseCon_1_1CheckpointerSetup_html"><div class="ttname"><a href="structripple_1_1DatabaseCon_1_1CheckpointerSetup.html">ripple::DatabaseCon::CheckpointerSetup</a></div><div class="ttdef"><b>Definition:</b> <a href="DatabaseCon_8h_source.html#l00107">DatabaseCon.h:107</a></div></div>
<div class="ttc" id="aclassbeast_1_1Journal_html_ad8fefe3e8ad583e1ed1bf02094ac3d8f"><div class="ttname"><a href="classbeast_1_1Journal.html#ad8fefe3e8ad583e1ed1bf02094ac3d8f">beast::Journal::warn</a></div><div class="ttdeci">Stream warn() const</div><div class="ttdef"><b>Definition:</b> <a href="Journal_8h_source.html#l00327">Journal.h:327</a></div></div>
<div class="ttc" id="anamespaceripple_html_ace4f3f141f058402a00e827f9af08ffd"><div class="ttname"><a href="namespaceripple.html#ace4f3f141f058402a00e827f9af08ffd">ripple::LgrMetaDBName</a></div><div class="ttdeci">constexpr auto LgrMetaDBName</div><div class="ttdef"><b>Definition:</b> <a href="DBInit_8h_source.html#l00128">DBInit.h:128</a></div></div>
<div class="ttc" id="aclassripple_1_1base__uint_html"><div class="ttname"><a href="classripple_1_1base__uint.html">ripple::base_uint&lt; 256 &gt;</a></div></div>
<div class="ttc" id="anamespaceripple_html_a828c5136551603cc0491707fe811bfda"><div class="ttname"><a href="namespaceripple.html#a828c5136551603cc0491707fe811bfda">ripple::TxMetaDBName</a></div><div class="ttdeci">constexpr auto TxMetaDBName</div><div class="ttdef"><b>Definition:</b> <a href="DBInit_8h_source.html#l00162">DBInit.h:162</a></div></div>
<div class="ttc" id="aclassripple_1_1Config_html"><div class="ttname"><a href="classripple_1_1Config.html">ripple::Config</a></div><div class="ttdef"><b>Definition:</b> <a href="Config_8h_source.html#l00069">Config.h:69</a></div></div>
<div class="ttc" id="aclassripple_1_1Application_html_aca56b7c63030174e59720ab51d739422"><div class="ttname"><a href="classripple_1_1Application.html#aca56b7c63030174e59720ab51d739422">ripple::Application::config</a></div><div class="ttdeci">virtual Config &amp; config()=0</div></div>
<div class="ttc" id="aclassripple_1_1Config_html_aa09be5266eca22f68f27e60169291ec5"><div class="ttname"><a href="classripple_1_1Config.html#aa09be5266eca22f68f27e60169291ec5">ripple::Config::useTxTables</a></div><div class="ttdeci">bool useTxTables() const</div><div class="ttdef"><b>Definition:</b> <a href="Config_8h_source.html#l00323">Config.h:323</a></div></div>
<div class="ttc" id="anamespaceripple_html_a352c21021e7c74510625603965eafade"><div class="ttname"><a href="namespaceripple.html#a352c21021e7c74510625603965eafade">ripple::TxMetaDBInit</a></div><div class="ttdeci">constexpr std::array&lt; char const *, 3 &gt; TxMetaDBInit</div><div class="ttdef"><b>Definition:</b> <a href="DBInit_8h_source.html#l00183">DBInit.h:183</a></div></div>
<div class="ttc" id="anamespaceripple_html_af232250947dc26f1d58f7e99f2e7efa4"><div class="ttname"><a href="namespaceripple.html#af232250947dc26f1d58f7e99f2e7efa4">ripple::LgrMetaDBPragma</a></div><div class="ttdeci">constexpr std::array&lt; char const *, 4 &gt; LgrMetaDBPragma</div><div class="ttdef"><b>Definition:</b> <a href="DBInit_8h_source.html#l00133">DBInit.h:133</a></div></div>
<div class="ttc" id="anamespaceripple_html_ad5143ceada01141772ae4aab984f94bda9ff03a73c38a945848893498e0c617a4"><div class="ttname"><a href="namespaceripple.html#ad5143ceada01141772ae4aab984f94bda9ff03a73c38a945848893498e0c617a4">ripple::HashPrefix::transactionID</a></div><div class="ttdeci">@ transactionID</div><div class="ttdoc">transaction plus signature to give transaction ID</div></div>
<div class="ttc" id="ainteger_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/types/integer.html">std::uint32_t</a></div></div>
<div class="ttc" id="anamespaceripple_html_a6b15322de4729e558e24800367e88b20"><div class="ttname"><a href="namespaceripple.html#a6b15322de4729e558e24800367e88b20">ripple::TxMetaDBPragma</a></div><div class="ttdeci">constexpr std::array&lt; char const *, 4 &gt; TxMetaDBPragma</div><div class="ttdef"><b>Definition:</b> <a href="DBInit_8h_source.html#l00167">DBInit.h:167</a></div></div>
<div class="ttc" id="anamespaceripple_1_1detail_html_ad54aa93bcb0bf57d942f1b9bb54f8d16"><div class="ttname"><a href="namespaceripple_1_1detail.html#ad54aa93bcb0bf57d942f1b9bb54f8d16">ripple::detail::getShardIndexforLedger</a></div><div class="ttdeci">std::optional&lt; std::uint32_t &gt; getShardIndexforLedger(soci::session &amp;session, LedgerHash const &amp;hash)</div><div class="ttdoc">getShardIndexforLedger Queries the ledger meta database to retrieve the index of the shard that conta...</div><div class="ttdef"><b>Definition:</b> <a href="app_2rdb_2backend_2detail_2impl_2Shard_8cpp_source.html#l00117">app/rdb/backend/detail/impl/Shard.cpp:117</a></div></div>
<div class="ttc" id="anamespaceripple_html"><div class="ttname"><a href="namespaceripple.html">ripple</a></div><div class="ttdoc">Use hash_* containers for keys that do not need a cryptographically secure hashing algorithm.</div><div class="ttdef"><b>Definition:</b> <a href="RCLCensorshipDetector_8h_source.html#l00029">RCLCensorshipDetector.h:29</a></div></div>
<div class="ttc" id="aclassripple_1_1Application_html_a2897c28a5b5040e80e66f676d201d03f"><div class="ttname"><a href="classripple_1_1Application.html#a2897c28a5b5040e80e66f676d201d03f">ripple::Application::journal</a></div><div class="ttdeci">virtual beast::Journal journal(std::string const &amp;name)=0</div></div>
<div class="ttc" id="aoptional_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/utility/optional.html">std::optional&lt; std::uint32_t &gt;</a></div></div>
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