blob: 1804ed46093c6ac33f7a7c9fb5cf0bf5bd57e379 [file] [log] [blame]
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<compoundname>metadata_columns.h</compoundname>
<includes local="no">limits</includes>
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<includedby refid="parquet__test_8cc" local="yes">iceberg/test/parquet_test.cc</includedby>
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<innerclass refid="structiceberg_1_1MetadataColumns" prot="public">iceberg::MetadataColumns</innerclass>
<innernamespace refid="namespaceiceberg">iceberg</innernamespace>
<briefdescription>
</briefdescription>
<detaileddescription>
<para>Metadata columns for reading Iceberg data files. </para>
</detaileddescription>
<programlisting>
<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>
<codeline lineno="4"><highlight class="comment"><sp/>*<sp/>distributed<sp/>with<sp/>this<sp/>work<sp/>for<sp/>additional<sp/>information</highlight></codeline>
<codeline lineno="5"><highlight class="comment"><sp/>*<sp/>regarding<sp/>copyright<sp/>ownership.<sp/><sp/>The<sp/>ASF<sp/>licenses<sp/>this<sp/>file</highlight></codeline>
<codeline lineno="6"><highlight class="comment"><sp/>*<sp/>to<sp/>you<sp/>under<sp/>the<sp/>Apache<sp/>License,<sp/>Version<sp/>2.0<sp/>(the</highlight></codeline>
<codeline lineno="7"><highlight class="comment"><sp/>*<sp/>&quot;License&quot;);<sp/>you<sp/>may<sp/>not<sp/>use<sp/>this<sp/>file<sp/>except<sp/>in<sp/>compliance</highlight></codeline>
<codeline lineno="8"><highlight class="comment"><sp/>*<sp/>with<sp/>the<sp/>License.<sp/><sp/>You<sp/>may<sp/>obtain<sp/>a<sp/>copy<sp/>of<sp/>the<sp/>License<sp/>at</highlight></codeline>
<codeline lineno="9"><highlight class="comment"><sp/>*</highlight></codeline>
<codeline lineno="10"><highlight class="comment"><sp/>*<sp/><sp/><sp/>http://www.apache.org/licenses/LICENSE-2.0</highlight></codeline>
<codeline lineno="11"><highlight class="comment"><sp/>*</highlight></codeline>
<codeline lineno="12"><highlight class="comment"><sp/>*<sp/>Unless<sp/>required<sp/>by<sp/>applicable<sp/>law<sp/>or<sp/>agreed<sp/>to<sp/>in<sp/>writing,</highlight></codeline>
<codeline lineno="13"><highlight class="comment"><sp/>*<sp/>software<sp/>distributed<sp/>under<sp/>the<sp/>License<sp/>is<sp/>distributed<sp/>on<sp/>an</highlight></codeline>
<codeline lineno="14"><highlight class="comment"><sp/>*<sp/>&quot;AS<sp/>IS&quot;<sp/>BASIS,<sp/>WITHOUT<sp/>WARRANTIES<sp/>OR<sp/>CONDITIONS<sp/>OF<sp/>ANY</highlight></codeline>
<codeline lineno="15"><highlight class="comment"><sp/>*<sp/>KIND,<sp/>either<sp/>express<sp/>or<sp/>implied.<sp/><sp/>See<sp/>the<sp/>License<sp/>for<sp/>the</highlight></codeline>
<codeline lineno="16"><highlight class="comment"><sp/>*<sp/>specific<sp/>language<sp/>governing<sp/>permissions<sp/>and<sp/>limitations</highlight></codeline>
<codeline lineno="17"><highlight class="comment"><sp/>*<sp/>under<sp/>the<sp/>License.</highlight></codeline>
<codeline lineno="18"><highlight class="comment"><sp/>*/</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="19"><highlight class="normal"></highlight></codeline>
<codeline lineno="20"><highlight class="normal"></highlight><highlight class="preprocessor">#pragma<sp/>once</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="21"><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;limits&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="26"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;memory&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="27"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;set&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="28"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;string_view&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="29"><highlight class="normal"></highlight></codeline>
<codeline lineno="30"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;iceberg/iceberg_export.h&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="31"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;iceberg/result.h&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="32"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;<ref refid="schema__field_8h" kindref="compound">iceberg/schema_field.h</ref>&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="33"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;<ref refid="type_8h" kindref="compound">iceberg/type.h</ref>&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="34"><highlight class="normal"></highlight></codeline>
<codeline lineno="35"><highlight class="normal"></highlight><highlight class="keyword">namespace<sp/></highlight><highlight class="normal">iceberg<sp/>{</highlight></codeline>
<codeline lineno="36"><highlight class="normal"></highlight></codeline>
<codeline lineno="38" refid="structiceberg_1_1MetadataColumns" refkind="compound"><highlight class="keyword">struct<sp/></highlight><highlight class="normal">ICEBERG_EXPORT<sp/><ref refid="structiceberg_1_1MetadataColumns" kindref="compound">MetadataColumns</ref><sp/>{</highlight></codeline>
<codeline lineno="39"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/>int32_t<sp/>kInt32Max<sp/>=<sp/>std::numeric_limits&lt;int32_t&gt;::max();</highlight></codeline>
<codeline lineno="40"><highlight class="normal"></highlight></codeline>
<codeline lineno="41"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>IDs<sp/>kInt32Max<sp/>-<sp/>(1-100)<sp/>are<sp/>used<sp/>for<sp/>metadata<sp/>columns</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="42"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/>int32_t<sp/>kFilePathColumnId<sp/>=<sp/>kInt32Max<sp/>-<sp/>1;</highlight></codeline>
<codeline lineno="43"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">inline</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/><ref refid="classiceberg_1_1SchemaField" kindref="compound">SchemaField</ref><sp/>kFilePath<sp/>=<sp/>SchemaField::MakeRequired(</highlight></codeline>
<codeline lineno="44"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>kFilePathColumnId,<sp/></highlight><highlight class="stringliteral">&quot;_file&quot;</highlight><highlight class="normal">,<sp/></highlight><highlight class="keywordtype">string</highlight><highlight class="normal">(),<sp/></highlight><highlight class="stringliteral">&quot;Path<sp/>of<sp/>the<sp/>file<sp/>in<sp/>which<sp/>a<sp/>row<sp/>is<sp/>stored&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="45"><highlight class="normal"></highlight></codeline>
<codeline lineno="46"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/>int32_t<sp/>kFilePositionColumnId<sp/>=<sp/>kInt32Max<sp/>-<sp/>2;</highlight></codeline>
<codeline lineno="47"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">inline</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/><ref refid="classiceberg_1_1SchemaField" kindref="compound">SchemaField</ref><sp/>kRowPosition<sp/>=</highlight></codeline>
<codeline lineno="48"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>SchemaField::MakeRequired(kFilePositionColumnId,<sp/></highlight><highlight class="stringliteral">&quot;_pos&quot;</highlight><highlight class="normal">,<sp/><ref refid="group__type-factories_1gafca6afb41a025fd4a7eed7809d4b653f" kindref="member">int64</ref>(),</highlight></codeline>
<codeline lineno="49"><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/></highlight><highlight class="stringliteral">&quot;Ordinal<sp/>position<sp/>of<sp/>a<sp/>row<sp/>in<sp/>the<sp/>source<sp/>data<sp/>file&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="50"><highlight class="normal"></highlight></codeline>
<codeline lineno="51"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/>int32_t<sp/>kIsDeletedColumnId<sp/>=<sp/>kInt32Max<sp/>-<sp/>3;</highlight></codeline>
<codeline lineno="52"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">inline</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/><ref refid="classiceberg_1_1SchemaField" kindref="compound">SchemaField</ref><sp/>kIsDeleted<sp/>=<sp/>SchemaField::MakeRequired(</highlight></codeline>
<codeline lineno="53"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>kIsDeletedColumnId,<sp/></highlight><highlight class="stringliteral">&quot;_deleted&quot;</highlight><highlight class="normal">,<sp/><ref refid="group__type-factories_1ga33cd0c2e979eebcccc89cdbcd3f6af99" kindref="member">binary</ref>(),<sp/></highlight><highlight class="stringliteral">&quot;Whether<sp/>the<sp/>row<sp/>has<sp/>been<sp/>deleted&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="54"><highlight class="normal"></highlight></codeline>
<codeline lineno="55"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/>int32_t<sp/>kSpecIdColumnId<sp/>=<sp/>kInt32Max<sp/>-<sp/>4;</highlight></codeline>
<codeline lineno="56"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">inline</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/><ref refid="classiceberg_1_1SchemaField" kindref="compound">SchemaField</ref><sp/>kSpecId<sp/>=</highlight></codeline>
<codeline lineno="57"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>SchemaField::MakeRequired(kSpecIdColumnId,<sp/></highlight><highlight class="stringliteral">&quot;_spec_id&quot;</highlight><highlight class="normal">,<sp/><ref refid="group__type-factories_1ga91f0688c58d168d755610a2b5a1a222e" kindref="member">int32</ref>(),</highlight></codeline>
<codeline lineno="58"><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/></highlight><highlight class="stringliteral">&quot;Spec<sp/>ID<sp/>used<sp/>to<sp/>track<sp/>the<sp/>file<sp/>containing<sp/>a<sp/>row&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="59"><highlight class="normal"></highlight></codeline>
<codeline lineno="60"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>The<sp/>partition<sp/>column<sp/>type<sp/>depends<sp/>on<sp/>all<sp/>specs<sp/>in<sp/>the<sp/>table</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="61"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/>int32_t<sp/>kPartitionColumnId<sp/>=<sp/>kInt32Max<sp/>-<sp/>5;</highlight></codeline>
<codeline lineno="62"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/>std::string_view<sp/>kPartitionColumnName<sp/>=<sp/></highlight><highlight class="stringliteral">&quot;_partition&quot;</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="63"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/>std::string_view<sp/>kPartitionColumnDoc<sp/>=</highlight></codeline>
<codeline lineno="64"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="stringliteral">&quot;Partition<sp/>to<sp/>which<sp/>a<sp/>row<sp/>belongs<sp/>to&quot;</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="65"><highlight class="normal"></highlight></codeline>
<codeline lineno="66"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/>int32_t<sp/>kContentOffsetColumnId<sp/>=<sp/>kInt32Max<sp/>-<sp/>6;</highlight></codeline>
<codeline lineno="67"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/>int32_t<sp/>kContentSizeInBytesColumnId<sp/>=<sp/>kInt32Max<sp/>-<sp/>7;</highlight></codeline>
<codeline lineno="68"><highlight class="normal"></highlight></codeline>
<codeline lineno="69"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>IDs<sp/>kInt32Max<sp/>-<sp/>(101-200)<sp/>are<sp/>used<sp/>for<sp/>reserved<sp/>columns</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="70"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/>int32_t<sp/>kDeleteFilePathColumnId<sp/>=<sp/>kInt32Max<sp/>-<sp/>101;</highlight></codeline>
<codeline lineno="71"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">inline</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/><ref refid="classiceberg_1_1SchemaField" kindref="compound">SchemaField</ref><sp/>kDeleteFilePath<sp/>=</highlight></codeline>
<codeline lineno="72"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>SchemaField::MakeRequired(kDeleteFilePathColumnId,<sp/></highlight><highlight class="stringliteral">&quot;file_path&quot;</highlight><highlight class="normal">,<sp/></highlight><highlight class="keywordtype">string</highlight><highlight class="normal">(),</highlight></codeline>
<codeline lineno="73"><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/></highlight><highlight class="stringliteral">&quot;Path<sp/>of<sp/>a<sp/>file<sp/>in<sp/>which<sp/>a<sp/>deleted<sp/>row<sp/>is<sp/>stored&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="74"><highlight class="normal"></highlight></codeline>
<codeline lineno="75"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/>int32_t<sp/>kDeleteFilePosColumnId<sp/>=<sp/>kInt32Max<sp/>-<sp/>102;</highlight></codeline>
<codeline lineno="76"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">inline</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/><ref refid="classiceberg_1_1SchemaField" kindref="compound">SchemaField</ref><sp/>kDeleteFilePos<sp/>=</highlight></codeline>
<codeline lineno="77"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>SchemaField::MakeRequired(kDeleteFilePosColumnId,<sp/></highlight><highlight class="stringliteral">&quot;pos&quot;</highlight><highlight class="normal">,<sp/><ref refid="group__type-factories_1gafca6afb41a025fd4a7eed7809d4b653f" kindref="member">int64</ref>(),</highlight></codeline>
<codeline lineno="78"><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/></highlight><highlight class="stringliteral">&quot;Ordinal<sp/>position<sp/>of<sp/>a<sp/>deleted<sp/>row<sp/>in<sp/>the<sp/>data<sp/>file&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="79"><highlight class="normal"></highlight></codeline>
<codeline lineno="80"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>The<sp/>row<sp/>column<sp/>type<sp/>depends<sp/>on<sp/>the<sp/>table<sp/>schema</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="81"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/>int32_t<sp/>kDeleteFileRowColumnId<sp/>=<sp/>kInt32Max<sp/>-<sp/>103;</highlight></codeline>
<codeline lineno="82"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/>std::string_view<sp/>kDeleteFileRowFieldName<sp/>=<sp/></highlight><highlight class="stringliteral">&quot;row&quot;</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="83"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/>std::string_view<sp/>kDeleteFileRowDoc<sp/>=<sp/></highlight><highlight class="stringliteral">&quot;Deleted<sp/>row<sp/>values&quot;</highlight><highlight class="normal">;</highlight></codeline>
<codeline lineno="84"><highlight class="normal"></highlight></codeline>
<codeline lineno="85"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/>int32_t<sp/>kChangeTypeColumnId<sp/>=<sp/>kInt32Max<sp/>-<sp/>104;</highlight></codeline>
<codeline lineno="86"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">inline</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/><ref refid="classiceberg_1_1SchemaField" kindref="compound">SchemaField</ref><sp/>kChangeType<sp/>=<sp/>SchemaField::MakeRequired(</highlight></codeline>
<codeline lineno="87"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>kChangeTypeColumnId,<sp/></highlight><highlight class="stringliteral">&quot;_change_type&quot;</highlight><highlight class="normal">,<sp/></highlight><highlight class="keywordtype">string</highlight><highlight class="normal">(),<sp/></highlight><highlight class="stringliteral">&quot;Record<sp/>type<sp/>in<sp/>changelog&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="88"><highlight class="normal"></highlight></codeline>
<codeline lineno="89"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/>int32_t<sp/>kChangeOrdinalColumnId<sp/>=<sp/>kInt32Max<sp/>-<sp/>105;</highlight></codeline>
<codeline lineno="90"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">inline</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/><ref refid="classiceberg_1_1SchemaField" kindref="compound">SchemaField</ref><sp/>kChangeOrdinal<sp/>=<sp/>SchemaField::MakeOptional(</highlight></codeline>
<codeline lineno="91"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>kChangeOrdinalColumnId,<sp/></highlight><highlight class="stringliteral">&quot;_change_ordinal&quot;</highlight><highlight class="normal">,<sp/><ref refid="group__type-factories_1ga91f0688c58d168d755610a2b5a1a222e" kindref="member">int32</ref>(),<sp/></highlight><highlight class="stringliteral">&quot;Change<sp/>ordinal<sp/>in<sp/>changelog&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="92"><highlight class="normal"></highlight></codeline>
<codeline lineno="93"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/>int32_t<sp/>kCommitSnapshotIdColumnId<sp/>=<sp/>kInt32Max<sp/>-<sp/>106;</highlight></codeline>
<codeline lineno="94"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">inline</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/><ref refid="classiceberg_1_1SchemaField" kindref="compound">SchemaField</ref><sp/>kCommitSnapshotId<sp/>=<sp/>SchemaField::MakeOptional(</highlight></codeline>
<codeline lineno="95"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>kCommitSnapshotIdColumnId,<sp/></highlight><highlight class="stringliteral">&quot;_commit_snapshot_id&quot;</highlight><highlight class="normal">,<sp/><ref refid="group__type-factories_1gafca6afb41a025fd4a7eed7809d4b653f" kindref="member">int64</ref>(),<sp/></highlight><highlight class="stringliteral">&quot;Commit<sp/>snapshot<sp/>ID&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="96"><highlight class="normal"></highlight></codeline>
<codeline lineno="97"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/>int32_t<sp/>kRowIdColumnId<sp/>=<sp/>kInt32Max<sp/>-<sp/>107;</highlight></codeline>
<codeline lineno="98"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">inline</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/><ref refid="classiceberg_1_1SchemaField" kindref="compound">SchemaField</ref><sp/>kRowId<sp/>=</highlight></codeline>
<codeline lineno="99"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>SchemaField::MakeOptional(kRowIdColumnId,<sp/></highlight><highlight class="stringliteral">&quot;_row_id&quot;</highlight><highlight class="normal">,<sp/><ref refid="group__type-factories_1gafca6afb41a025fd4a7eed7809d4b653f" kindref="member">int64</ref>(),</highlight></codeline>
<codeline lineno="100"><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/></highlight><highlight class="stringliteral">&quot;Implicit<sp/>row<sp/>ID<sp/>that<sp/>is<sp/>automatically<sp/>assigned&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="101"><highlight class="normal"></highlight></codeline>
<codeline lineno="102"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">constexpr</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/>int32_t<sp/>kLastUpdatedSequenceNumberColumnId<sp/>=<sp/>kInt32Max<sp/>-<sp/>108;</highlight></codeline>
<codeline lineno="103"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">inline</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/><ref refid="classiceberg_1_1SchemaField" kindref="compound">SchemaField</ref><sp/>kLastUpdatedSequenceNumber<sp/>=<sp/>SchemaField::MakeOptional(</highlight></codeline>
<codeline lineno="104"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>kLastUpdatedSequenceNumberColumnId,<sp/></highlight><highlight class="stringliteral">&quot;_last_updated_sequence_number&quot;</highlight><highlight class="normal">,<sp/><ref refid="group__type-factories_1gafca6afb41a025fd4a7eed7809d4b653f" kindref="member">int64</ref>(),</highlight></codeline>
<codeline lineno="105"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="stringliteral">&quot;Sequence<sp/>number<sp/>when<sp/>the<sp/>row<sp/>was<sp/>last<sp/>updated&quot;</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="106"><highlight class="normal"></highlight></codeline>
<codeline lineno="108"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>std::set&lt;int32_t&gt;&amp;<sp/>MetadataFieldIds();</highlight></codeline>
<codeline lineno="109"><highlight class="normal"></highlight></codeline>
<codeline lineno="111"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">bool</highlight><highlight class="normal"><sp/>IsMetadataColumn(std::string_view<sp/>name);</highlight></codeline>
<codeline lineno="112"><highlight class="normal"></highlight></codeline>
<codeline lineno="114"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordtype">bool</highlight><highlight class="normal"><sp/>IsMetadataColumn(int32_t<sp/></highlight><highlight class="keywordtype">id</highlight><highlight class="normal">);</highlight></codeline>
<codeline lineno="115"><highlight class="normal"></highlight></codeline>
<codeline lineno="121"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">static</highlight><highlight class="normal"><sp/>Result&lt;const<sp/>SchemaField*&gt;<sp/>MetadataColumn(std::string_view<sp/>name);</highlight></codeline>
<codeline lineno="122"><highlight class="normal"></highlight></codeline>
<codeline lineno="124"><highlight class="normal">};</highlight></codeline>
<codeline lineno="125"><highlight class="normal"></highlight></codeline>
<codeline lineno="126"><highlight class="normal">}<sp/><sp/></highlight><highlight class="comment">//<sp/>namespace<sp/>iceberg</highlight><highlight class="normal"></highlight></codeline>
</programlisting>
<location file="iceberg/metadata_columns.h"/>
</compounddef>
</doxygen>