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<codeline lineno="1"><highlight class="comment">/*</highlight></codeline>
<codeline lineno="2"><highlight class="comment"><sp/>*<sp/>Licensed<sp/>to<sp/>the<sp/>Apache<sp/>Software<sp/>Foundation<sp/>(ASF)<sp/>under<sp/>one</highlight></codeline>
<codeline lineno="3"><highlight class="comment"><sp/>*<sp/>or<sp/>more<sp/>contributor<sp/>license<sp/>agreements.<sp/><sp/>See<sp/>the<sp/>NOTICE<sp/>file</highlight></codeline>
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<codeline lineno="20"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;<ref refid="update__statistics_8h" kindref="compound">iceberg/update/update_statistics.h</ref>&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="21"><highlight class="normal"></highlight></codeline>
<codeline lineno="22"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;algorithm&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="23"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;memory&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="24"><highlight class="normal"></highlight></codeline>
<codeline lineno="25"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;gmock/gmock.h&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="26"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;gtest/gtest.h&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="27"><highlight class="normal"></highlight></codeline>
<codeline lineno="28"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;iceberg/result.h&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="29"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;<ref refid="statistics__file_8h" kindref="compound">iceberg/statistics_file.h</ref>&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="30"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;iceberg/test/matchers.h&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="31"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;iceberg/test/update_test_base.h&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="32"><highlight class="normal"></highlight></codeline>
<codeline lineno="33"><highlight class="normal"></highlight><highlight class="keyword">namespace<sp/></highlight><highlight class="normal">iceberg<sp/>{</highlight></codeline>
<codeline lineno="34"><highlight class="normal"></highlight></codeline>
<codeline lineno="35" refid="classiceberg_1_1UpdateStatisticsTest" refkind="compound"><highlight class="normal"></highlight><highlight class="keyword">class<sp/></highlight><highlight class="normal"><ref refid="classiceberg_1_1UpdateStatisticsTest" kindref="compound">UpdateStatisticsTest</ref><sp/>:<sp/></highlight><highlight class="keyword">public</highlight><highlight class="normal"><sp/><ref refid="classiceberg_1_1UpdateTestBase" kindref="compound">UpdateTestBase</ref><sp/>{</highlight></codeline>
<codeline lineno="36"><highlight class="normal"><sp/></highlight><highlight class="keyword">protected</highlight><highlight class="normal">:</highlight></codeline>
<codeline lineno="37"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>Helper<sp/>function<sp/>to<sp/>create<sp/>a<sp/>statistics<sp/>file</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="38"><highlight class="normal"><sp/><sp/>std::shared_ptr&lt;StatisticsFile&gt;<sp/>MakeStatisticsFile(int64_t<sp/>snapshot_id,</highlight></codeline>
<codeline lineno="39"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>std::string&amp;<sp/>path,</highlight></codeline>
<codeline lineno="40"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>int64_t<sp/>file_size<sp/>=<sp/>1024,</highlight></codeline>
<codeline lineno="41"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>int64_t<sp/>footer_size<sp/>=<sp/>128)<sp/>{</highlight></codeline>
<codeline lineno="42"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>stats_file<sp/>=<sp/>std::make_shared&lt;StatisticsFile&gt;();</highlight></codeline>
<codeline lineno="43"><highlight class="normal"><sp/><sp/><sp/><sp/>stats_file-&gt;snapshot_id<sp/>=<sp/>snapshot_id;</highlight></codeline>
<codeline lineno="44"><highlight class="normal"><sp/><sp/><sp/><sp/>stats_file-&gt;path<sp/>=<sp/>path;</highlight></codeline>
<codeline lineno="45"><highlight class="normal"><sp/><sp/><sp/><sp/>stats_file-&gt;file_size_in_bytes<sp/>=<sp/>file_size;</highlight></codeline>
<codeline lineno="46"><highlight class="normal"><sp/><sp/><sp/><sp/>stats_file-&gt;file_footer_size_in_bytes<sp/>=<sp/>footer_size;</highlight></codeline>
<codeline lineno="47"><highlight class="normal"></highlight></codeline>
<codeline lineno="48"><highlight class="normal"><sp/><sp/><sp/><sp/><ref refid="structiceberg_1_1BlobMetadata" kindref="compound">BlobMetadata</ref><sp/>blob;</highlight></codeline>
<codeline lineno="49"><highlight class="normal"><sp/><sp/><sp/><sp/>blob.<ref refid="structiceberg_1_1BlobMetadata_1a24c36733628f7eb93dddf817db5f8cf3" kindref="member">type</ref><sp/>=<sp/></highlight><highlight class="stringliteral">&quot;apache-datasketches-theta-v1&quot;</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="50"><highlight class="normal"><sp/><sp/><sp/><sp/>blob.<ref refid="structiceberg_1_1BlobMetadata_1a65ffbc7cd817be822e60fffbb7217bc2" kindref="member">source_snapshot_id</ref><sp/>=<sp/>snapshot_id;</highlight></codeline>
<codeline lineno="51"><highlight class="normal"><sp/><sp/><sp/><sp/>blob.<ref refid="structiceberg_1_1BlobMetadata_1a677f24776580eecfc54caceaa59e6d7f" kindref="member">source_snapshot_sequence_number</ref><sp/>=<sp/>1;</highlight></codeline>
<codeline lineno="52"><highlight class="normal"><sp/><sp/><sp/><sp/>blob.<ref refid="structiceberg_1_1BlobMetadata_1add0d07c5a907d2402900be541c0188f9" kindref="member">fields</ref><sp/>=<sp/>{1,<sp/>2};</highlight></codeline>
<codeline lineno="53"><highlight class="normal"><sp/><sp/><sp/><sp/>blob.<ref refid="structiceberg_1_1BlobMetadata_1a4221b8b17fa719b1146c3c63248ffeb2" kindref="member">properties</ref><sp/>=<sp/>{{</highlight><highlight class="stringliteral">&quot;ndv&quot;</highlight><highlight class="normal">,<sp/></highlight><highlight class="stringliteral">&quot;100&quot;</highlight><highlight class="normal">}};</highlight></codeline>
<codeline lineno="54"><highlight class="normal"><sp/><sp/><sp/><sp/>stats_file-&gt;blob_metadata.push_back(blob);</highlight></codeline>
<codeline lineno="55"><highlight class="normal"></highlight></codeline>
<codeline lineno="56"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>stats_file;</highlight></codeline>
<codeline lineno="57"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="58"><highlight class="normal"></highlight></codeline>
<codeline lineno="59"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>Helper<sp/>to<sp/>find<sp/>statistics<sp/>file<sp/>by<sp/>snapshot_id<sp/>in<sp/>the<sp/>result<sp/>vector</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="60"><highlight class="normal"><sp/><sp/>std::shared_ptr&lt;StatisticsFile&gt;<sp/>FindStatistics(</highlight></codeline>
<codeline lineno="61"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>std::vector&lt;std::pair&lt;int64_t,<sp/>std::shared_ptr&lt;StatisticsFile&gt;&gt;&gt;&amp;<sp/>to_set,</highlight></codeline>
<codeline lineno="62"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>int64_t<sp/>snapshot_id)<sp/>{</highlight></codeline>
<codeline lineno="63"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>it<sp/>=<sp/>std::ranges::find_if(</highlight></codeline>
<codeline lineno="64"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>to_set,<sp/>[snapshot_id](</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal">&amp;<sp/>p)<sp/>{<sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>p.first<sp/>==<sp/>snapshot_id;<sp/>});</highlight></codeline>
<codeline lineno="65"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>it<sp/>!=<sp/>to_set.end()<sp/>?<sp/>it-&gt;second<sp/>:<sp/></highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="66"><highlight class="normal"><sp/><sp/>}</highlight></codeline>
<codeline lineno="67"><highlight class="normal">};</highlight></codeline>
<codeline lineno="68"><highlight class="normal"></highlight></codeline>
<codeline lineno="69"><highlight class="normal">TEST_F(<ref refid="classiceberg_1_1UpdateStatisticsTest" kindref="compound">UpdateStatisticsTest</ref>,<sp/>EmptyUpdate)<sp/>{</highlight></codeline>
<codeline lineno="70"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>update,<sp/>table_-&gt;NewUpdateStatistics());</highlight></codeline>
<codeline lineno="71"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>result,<sp/>update-&gt;Apply());</highlight></codeline>
<codeline lineno="72"><highlight class="normal"><sp/><sp/>EXPECT_TRUE(result.to_set.empty());</highlight></codeline>
<codeline lineno="73"><highlight class="normal"><sp/><sp/>EXPECT_TRUE(result.to_remove.empty());</highlight></codeline>
<codeline lineno="74"><highlight class="normal">}</highlight></codeline>
<codeline lineno="75"><highlight class="normal"></highlight></codeline>
<codeline lineno="76"><highlight class="normal">TEST_F(UpdateStatisticsTest,<sp/>SetStatistics)<sp/>{</highlight></codeline>
<codeline lineno="77"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>update,<sp/>table_-&gt;NewUpdateStatistics());</highlight></codeline>
<codeline lineno="78"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>stats_file<sp/>=</highlight></codeline>
<codeline lineno="79"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>MakeStatisticsFile(1,<sp/></highlight><highlight class="stringliteral">&quot;/warehouse/test_table/metadata/stats-1.puffin&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="80"><highlight class="normal"><sp/><sp/>update-&gt;SetStatistics(stats_file);</highlight></codeline>
<codeline lineno="81"><highlight class="normal"></highlight></codeline>
<codeline lineno="82"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>result,<sp/>update-&gt;Apply());</highlight></codeline>
<codeline lineno="83"><highlight class="normal"><sp/><sp/>EXPECT_EQ(result.to_set.size(),<sp/>1);</highlight></codeline>
<codeline lineno="84"><highlight class="normal"><sp/><sp/>EXPECT_TRUE(result.to_remove.empty());</highlight></codeline>
<codeline lineno="85"><highlight class="normal"><sp/><sp/>EXPECT_EQ(FindStatistics(result.to_set,<sp/>1),<sp/>stats_file);</highlight></codeline>
<codeline lineno="86"><highlight class="normal">}</highlight></codeline>
<codeline lineno="87"><highlight class="normal"></highlight></codeline>
<codeline lineno="88"><highlight class="normal">TEST_F(UpdateStatisticsTest,<sp/>SetMultipleStatistics)<sp/>{</highlight></codeline>
<codeline lineno="89"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>update,<sp/>table_-&gt;NewUpdateStatistics());</highlight></codeline>
<codeline lineno="90"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>stats_file_1<sp/>=</highlight></codeline>
<codeline lineno="91"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>MakeStatisticsFile(1,<sp/></highlight><highlight class="stringliteral">&quot;/warehouse/test_table/metadata/stats-1.puffin&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="92"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>stats_file_2<sp/>=</highlight></codeline>
<codeline lineno="93"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>MakeStatisticsFile(2,<sp/></highlight><highlight class="stringliteral">&quot;/warehouse/test_table/metadata/stats-2.puffin&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="94"><highlight class="normal"></highlight></codeline>
<codeline lineno="95"><highlight class="normal"><sp/><sp/>update-&gt;SetStatistics(stats_file_1).SetStatistics(stats_file_2);</highlight></codeline>
<codeline lineno="96"><highlight class="normal"></highlight></codeline>
<codeline lineno="97"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>result,<sp/>update-&gt;Apply());</highlight></codeline>
<codeline lineno="98"><highlight class="normal"><sp/><sp/>EXPECT_EQ(result.to_set.size(),<sp/>2);</highlight></codeline>
<codeline lineno="99"><highlight class="normal"><sp/><sp/>EXPECT_TRUE(result.to_remove.empty());</highlight></codeline>
<codeline lineno="100"><highlight class="normal"><sp/><sp/>EXPECT_EQ(FindStatistics(result.to_set,<sp/>1),<sp/>stats_file_1);</highlight></codeline>
<codeline lineno="101"><highlight class="normal"><sp/><sp/>EXPECT_EQ(FindStatistics(result.to_set,<sp/>2),<sp/>stats_file_2);</highlight></codeline>
<codeline lineno="102"><highlight class="normal">}</highlight></codeline>
<codeline lineno="103"><highlight class="normal"></highlight></codeline>
<codeline lineno="104"><highlight class="normal">TEST_F(UpdateStatisticsTest,<sp/>RemoveStatistics)<sp/>{</highlight></codeline>
<codeline lineno="105"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>update,<sp/>table_-&gt;NewUpdateStatistics());</highlight></codeline>
<codeline lineno="106"><highlight class="normal"><sp/><sp/>update-&gt;RemoveStatistics(1);</highlight></codeline>
<codeline lineno="107"><highlight class="normal"></highlight></codeline>
<codeline lineno="108"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>result,<sp/>update-&gt;Apply());</highlight></codeline>
<codeline lineno="109"><highlight class="normal"><sp/><sp/>EXPECT_TRUE(result.to_set.empty());</highlight></codeline>
<codeline lineno="110"><highlight class="normal"><sp/><sp/>EXPECT_EQ(result.to_remove.size(),<sp/>1);</highlight></codeline>
<codeline lineno="111"><highlight class="normal"><sp/><sp/>EXPECT_THAT(result.to_remove,<sp/>::testing::Contains(1));</highlight></codeline>
<codeline lineno="112"><highlight class="normal">}</highlight></codeline>
<codeline lineno="113"><highlight class="normal"></highlight></codeline>
<codeline lineno="114"><highlight class="normal">TEST_F(UpdateStatisticsTest,<sp/>RemoveMultipleStatistics)<sp/>{</highlight></codeline>
<codeline lineno="115"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>update,<sp/>table_-&gt;NewUpdateStatistics());</highlight></codeline>
<codeline lineno="116"><highlight class="normal"><sp/><sp/>update-&gt;RemoveStatistics(1).RemoveStatistics(2).RemoveStatistics(3);</highlight></codeline>
<codeline lineno="117"><highlight class="normal"></highlight></codeline>
<codeline lineno="118"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>result,<sp/>update-&gt;Apply());</highlight></codeline>
<codeline lineno="119"><highlight class="normal"><sp/><sp/>EXPECT_TRUE(result.to_set.empty());</highlight></codeline>
<codeline lineno="120"><highlight class="normal"><sp/><sp/>EXPECT_EQ(result.to_remove.size(),<sp/>3);</highlight></codeline>
<codeline lineno="121"><highlight class="normal"><sp/><sp/>EXPECT_THAT(result.to_remove,<sp/>::testing::UnorderedElementsAre(1,<sp/>2,<sp/>3));</highlight></codeline>
<codeline lineno="122"><highlight class="normal">}</highlight></codeline>
<codeline lineno="123"><highlight class="normal"></highlight></codeline>
<codeline lineno="124"><highlight class="normal">TEST_F(UpdateStatisticsTest,<sp/>SetAndRemoveDifferentSnapshots)<sp/>{</highlight></codeline>
<codeline lineno="125"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>update,<sp/>table_-&gt;NewUpdateStatistics());</highlight></codeline>
<codeline lineno="126"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>stats_file<sp/>=</highlight></codeline>
<codeline lineno="127"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>MakeStatisticsFile(1,<sp/></highlight><highlight class="stringliteral">&quot;/warehouse/test_table/metadata/stats-1.puffin&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="128"><highlight class="normal"></highlight></codeline>
<codeline lineno="129"><highlight class="normal"><sp/><sp/>update-&gt;SetStatistics(stats_file).RemoveStatistics(2);</highlight></codeline>
<codeline lineno="130"><highlight class="normal"></highlight></codeline>
<codeline lineno="131"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>result,<sp/>update-&gt;Apply());</highlight></codeline>
<codeline lineno="132"><highlight class="normal"><sp/><sp/>EXPECT_EQ(result.to_set.size(),<sp/>1);</highlight></codeline>
<codeline lineno="133"><highlight class="normal"><sp/><sp/>EXPECT_EQ(FindStatistics(result.to_set,<sp/>1),<sp/>stats_file);</highlight></codeline>
<codeline lineno="134"><highlight class="normal"><sp/><sp/>EXPECT_EQ(result.to_remove.size(),<sp/>1);</highlight></codeline>
<codeline lineno="135"><highlight class="normal"><sp/><sp/>EXPECT_THAT(result.to_remove,<sp/>::testing::Contains(2));</highlight></codeline>
<codeline lineno="136"><highlight class="normal">}</highlight></codeline>
<codeline lineno="137"><highlight class="normal"></highlight></codeline>
<codeline lineno="138"><highlight class="normal">TEST_F(UpdateStatisticsTest,<sp/>ReplaceStatistics)<sp/>{</highlight></codeline>
<codeline lineno="139"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>update,<sp/>table_-&gt;NewUpdateStatistics());</highlight></codeline>
<codeline lineno="140"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>stats_file_1<sp/>=</highlight></codeline>
<codeline lineno="141"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>MakeStatisticsFile(1,<sp/></highlight><highlight class="stringliteral">&quot;/warehouse/test_table/metadata/stats-1a.puffin&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="142"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>stats_file_2<sp/>=</highlight></codeline>
<codeline lineno="143"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>MakeStatisticsFile(1,<sp/></highlight><highlight class="stringliteral">&quot;/warehouse/test_table/metadata/stats-1b.puffin&quot;</highlight><highlight class="normal">,<sp/>2048,<sp/>256);</highlight></codeline>
<codeline lineno="144"><highlight class="normal"></highlight></codeline>
<codeline lineno="145"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>Set<sp/>statistics<sp/>for<sp/>snapshot<sp/>1,<sp/>then<sp/>replace<sp/>it</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="146"><highlight class="normal"><sp/><sp/>update-&gt;SetStatistics(stats_file_1).SetStatistics(stats_file_2);</highlight></codeline>
<codeline lineno="147"><highlight class="normal"></highlight></codeline>
<codeline lineno="148"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>result,<sp/>update-&gt;Apply());</highlight></codeline>
<codeline lineno="149"><highlight class="normal"><sp/><sp/>EXPECT_EQ(result.to_set.size(),<sp/>1);</highlight></codeline>
<codeline lineno="150"><highlight class="normal"><sp/><sp/>EXPECT_TRUE(result.to_remove.empty());</highlight></codeline>
<codeline lineno="151"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>Should<sp/>have<sp/>the<sp/>second<sp/>one<sp/>(replacement)</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="152"><highlight class="normal"><sp/><sp/>EXPECT_EQ(FindStatistics(result.to_set,<sp/>1),<sp/>stats_file_2);</highlight></codeline>
<codeline lineno="153"><highlight class="normal"><sp/><sp/>EXPECT_NE(FindStatistics(result.to_set,<sp/>1),<sp/>stats_file_1);</highlight></codeline>
<codeline lineno="154"><highlight class="normal">}</highlight></codeline>
<codeline lineno="155"><highlight class="normal"></highlight></codeline>
<codeline lineno="156"><highlight class="normal">TEST_F(UpdateStatisticsTest,<sp/>SetThenRemoveSameSnapshot)<sp/>{</highlight></codeline>
<codeline lineno="157"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>update,<sp/>table_-&gt;NewUpdateStatistics());</highlight></codeline>
<codeline lineno="158"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>stats_file<sp/>=</highlight></codeline>
<codeline lineno="159"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>MakeStatisticsFile(1,<sp/></highlight><highlight class="stringliteral">&quot;/warehouse/test_table/metadata/stats-1.puffin&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="160"><highlight class="normal"></highlight></codeline>
<codeline lineno="161"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>Set<sp/>statistics<sp/>for<sp/>snapshot<sp/>1,<sp/>then<sp/>remove<sp/>it</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="162"><highlight class="normal"><sp/><sp/>update-&gt;SetStatistics(stats_file).RemoveStatistics(1);</highlight></codeline>
<codeline lineno="163"><highlight class="normal"></highlight></codeline>
<codeline lineno="164"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>result,<sp/>update-&gt;Apply());</highlight></codeline>
<codeline lineno="165"><highlight class="normal"><sp/><sp/>EXPECT_TRUE(result.to_set.empty());</highlight></codeline>
<codeline lineno="166"><highlight class="normal"><sp/><sp/>EXPECT_EQ(result.to_remove.size(),<sp/>1);</highlight></codeline>
<codeline lineno="167"><highlight class="normal"><sp/><sp/>EXPECT_THAT(result.to_remove,<sp/>::testing::Contains(1));</highlight></codeline>
<codeline lineno="168"><highlight class="normal">}</highlight></codeline>
<codeline lineno="169"><highlight class="normal"></highlight></codeline>
<codeline lineno="170"><highlight class="normal">TEST_F(UpdateStatisticsTest,<sp/>RemoveThenSetSameSnapshot)<sp/>{</highlight></codeline>
<codeline lineno="171"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>update,<sp/>table_-&gt;NewUpdateStatistics());</highlight></codeline>
<codeline lineno="172"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>stats_file<sp/>=</highlight></codeline>
<codeline lineno="173"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>MakeStatisticsFile(1,<sp/></highlight><highlight class="stringliteral">&quot;/warehouse/test_table/metadata/stats-1.puffin&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="174"><highlight class="normal"></highlight></codeline>
<codeline lineno="175"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>Remove<sp/>statistics<sp/>for<sp/>snapshot<sp/>1,<sp/>then<sp/>set<sp/>new<sp/>ones</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="176"><highlight class="normal"><sp/><sp/>update-&gt;RemoveStatistics(1).SetStatistics(stats_file);</highlight></codeline>
<codeline lineno="177"><highlight class="normal"></highlight></codeline>
<codeline lineno="178"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>result,<sp/>update-&gt;Apply());</highlight></codeline>
<codeline lineno="179"><highlight class="normal"><sp/><sp/>EXPECT_EQ(result.to_set.size(),<sp/>1);</highlight></codeline>
<codeline lineno="180"><highlight class="normal"><sp/><sp/>EXPECT_TRUE(result.to_remove.empty());</highlight></codeline>
<codeline lineno="181"><highlight class="normal"><sp/><sp/>EXPECT_EQ(FindStatistics(result.to_set,<sp/>1),<sp/>stats_file);</highlight></codeline>
<codeline lineno="182"><highlight class="normal">}</highlight></codeline>
<codeline lineno="183"><highlight class="normal"></highlight></codeline>
<codeline lineno="184"><highlight class="normal">TEST_F(UpdateStatisticsTest,<sp/>SetNullStatistics)<sp/>{</highlight></codeline>
<codeline lineno="185"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>update,<sp/>table_-&gt;NewUpdateStatistics());</highlight></codeline>
<codeline lineno="186"><highlight class="normal"></highlight></codeline>
<codeline lineno="187"><highlight class="normal"><sp/><sp/>update-&gt;SetStatistics(</highlight><highlight class="keyword">nullptr</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="188"><highlight class="normal"></highlight></codeline>
<codeline lineno="189"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>result<sp/>=<sp/>update-&gt;Apply();</highlight></codeline>
<codeline lineno="190"><highlight class="normal"><sp/><sp/>EXPECT_THAT(result,<sp/>IsError(ErrorKind::kValidationFailed));</highlight></codeline>
<codeline lineno="191"><highlight class="normal"><sp/><sp/>EXPECT_THAT(result,<sp/>HasErrorMessage(</highlight><highlight class="stringliteral">&quot;Statistics<sp/>file<sp/>cannot<sp/>be<sp/>null&quot;</highlight><highlight class="normal">));</highlight></codeline>
<codeline lineno="192"><highlight class="normal">}</highlight></codeline>
<codeline lineno="193"><highlight class="normal"></highlight></codeline>
<codeline lineno="194"><highlight class="normal">TEST_F(UpdateStatisticsTest,<sp/>CommitSuccess)<sp/>{</highlight></codeline>
<codeline lineno="195"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>Test<sp/>empty<sp/>commit</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="196"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>empty_update,<sp/>table_-&gt;NewUpdateStatistics());</highlight></codeline>
<codeline lineno="197"><highlight class="normal"><sp/><sp/>EXPECT_THAT(empty_update-&gt;Commit(),<sp/>IsOk());</highlight></codeline>
<codeline lineno="198"><highlight class="normal"></highlight></codeline>
<codeline lineno="199"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>Reload<sp/>table<sp/>after<sp/>first<sp/>commit</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="200"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>reloaded,<sp/>catalog_-&gt;LoadTable(table_ident_));</highlight></codeline>
<codeline lineno="201"><highlight class="normal"></highlight></codeline>
<codeline lineno="202"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>Get<sp/>a<sp/>valid<sp/>snapshot<sp/>ID<sp/>from<sp/>the<sp/>table</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="203"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>current_snapshot,<sp/>reloaded-&gt;current_snapshot());</highlight></codeline>
<codeline lineno="204"><highlight class="normal"><sp/><sp/>int64_t<sp/>snapshot_id<sp/>=<sp/>current_snapshot-&gt;snapshot_id;</highlight></codeline>
<codeline lineno="205"><highlight class="normal"></highlight></codeline>
<codeline lineno="206"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>Test<sp/>commit<sp/>with<sp/>statistics<sp/>changes</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="207"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>update,<sp/>reloaded-&gt;NewUpdateStatistics());</highlight></codeline>
<codeline lineno="208"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>stats_file<sp/>=</highlight></codeline>
<codeline lineno="209"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>MakeStatisticsFile(snapshot_id,<sp/></highlight><highlight class="stringliteral">&quot;/warehouse/test_table/metadata/stats-1.puffin&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="210"><highlight class="normal"><sp/><sp/>update-&gt;SetStatistics(stats_file);</highlight></codeline>
<codeline lineno="211"><highlight class="normal"></highlight></codeline>
<codeline lineno="212"><highlight class="normal"><sp/><sp/>EXPECT_THAT(update-&gt;Commit(),<sp/>IsOk());</highlight></codeline>
<codeline lineno="213"><highlight class="normal"></highlight></codeline>
<codeline lineno="214"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>Verify<sp/>the<sp/>statistics<sp/>were<sp/>committed<sp/>and<sp/>persisted</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="215"><highlight class="normal"><sp/><sp/>ICEBERG_UNWRAP_OR_FAIL(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>final_table,<sp/>catalog_-&gt;LoadTable(table_ident_));</highlight></codeline>
<codeline lineno="216"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal">&amp;<sp/>statistics<sp/>=<sp/>final_table-&gt;metadata()-&gt;statistics;</highlight></codeline>
<codeline lineno="217"><highlight class="normal"><sp/><sp/>EXPECT_EQ(statistics.size(),<sp/>1);</highlight></codeline>
<codeline lineno="218"><highlight class="normal"><sp/><sp/>EXPECT_EQ(*statistics[0],<sp/>*stats_file);</highlight></codeline>
<codeline lineno="219"><highlight class="normal">}</highlight></codeline>
<codeline lineno="220"><highlight class="normal"></highlight></codeline>
<codeline lineno="221"><highlight class="normal">}<sp/><sp/></highlight><highlight class="comment">//<sp/>namespace<sp/>iceberg</highlight><highlight class="normal"></highlight></codeline>
</programlisting>
<location file="iceberg/test/update_statistics_test.cc"/>
</compounddef>
</doxygen>