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| <label>string</label> |
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| <label>utility</label> |
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| <label>variant</label> |
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| </incdepgraph> |
| <innernamespace refid="namespaceiceberg">iceberg</innernamespace> |
| <briefdescription> |
| </briefdescription> |
| <detaileddescription> |
| </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/>"License");<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/>"AS<sp/>IS"<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">#include<sp/>"iceberg/schema_util.h"</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/><format></highlight><highlight class="normal"></highlight></codeline> |
| <codeline lineno="23"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/><string_view></highlight><highlight class="normal"></highlight></codeline> |
| <codeline lineno="24"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/><unordered_map></highlight><highlight class="normal"></highlight></codeline> |
| <codeline lineno="25"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/><utility></highlight><highlight class="normal"></highlight></codeline> |
| <codeline lineno="26"><highlight class="normal"></highlight></codeline> |
| <codeline lineno="27"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>"<ref refid="metadata__columns_8h" kindref="compound">iceberg/metadata_columns.h</ref>"</highlight><highlight class="normal"></highlight></codeline> |
| <codeline lineno="28"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>"<ref refid="schema_8h" kindref="compound">iceberg/schema.h</ref>"</highlight><highlight class="normal"></highlight></codeline> |
| <codeline lineno="29"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>"iceberg/schema_util_internal.h"</highlight><highlight class="normal"></highlight></codeline> |
| <codeline lineno="30"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>"<ref refid="checked__cast_8h" kindref="compound">iceberg/util/checked_cast.h</ref>"</highlight><highlight class="normal"></highlight></codeline> |
| <codeline lineno="31"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>"iceberg/util/formatter_internal.h"</highlight><highlight class="normal"></highlight></codeline> |
| <codeline lineno="32"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>"iceberg/util/macros.h"</highlight><highlight class="normal"></highlight></codeline> |
| <codeline lineno="33"><highlight class="normal"></highlight></codeline> |
| <codeline lineno="34"><highlight class="normal"></highlight><highlight class="keyword">namespace<sp/></highlight><highlight class="normal">iceberg<sp/>{</highlight></codeline> |
| <codeline lineno="35"><highlight class="normal"></highlight></codeline> |
| <codeline lineno="36"><highlight class="normal"></highlight><highlight class="keyword">namespace<sp/></highlight><highlight class="normal">{</highlight></codeline> |
| <codeline lineno="37"><highlight class="normal"></highlight></codeline> |
| <codeline lineno="38"><highlight class="normal">Status<sp/>ValidateSchemaEvolution(</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>Type&<sp/>expected_type,<sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>Type&<sp/>source_type)<sp/>{</highlight></codeline> |
| <codeline lineno="39"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(expected_type.is_nested())<sp/>{</highlight></codeline> |
| <codeline lineno="40"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>Nested<sp/>type<sp/>requires<sp/>identical<sp/>type<sp/>ids<sp/>but<sp/>their<sp/>sub-fields<sp/>are<sp/>checked</highlight><highlight class="normal"></highlight></codeline> |
| <codeline lineno="41"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>recursively<sp/>and<sp/>individually.</highlight><highlight class="normal"></highlight></codeline> |
| <codeline lineno="42"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(source_type.type_id()<sp/>!=<sp/>expected_type.type_id())<sp/>{</highlight></codeline> |
| <codeline lineno="43"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>NotSupported(</highlight><highlight class="stringliteral">"Cannot<sp/>read<sp/>{}<sp/>from<sp/>{}"</highlight><highlight class="normal">,<sp/>expected_type,<sp/>source_type);</highlight></codeline> |
| <codeline lineno="44"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline> |
| <codeline lineno="45"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>{};</highlight></codeline> |
| <codeline lineno="46"><highlight class="normal"><sp/><sp/>}</highlight></codeline> |
| <codeline lineno="47"><highlight class="normal"></highlight></codeline> |
| <codeline lineno="48"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>Short<sp/>cut<sp/>for<sp/>same<sp/>primitive<sp/>type.</highlight><highlight class="normal"></highlight></codeline> |
| <codeline lineno="49"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(expected_type<sp/>==<sp/>source_type)<sp/>{</highlight></codeline> |
| <codeline lineno="50"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>{};</highlight></codeline> |
| <codeline lineno="51"><highlight class="normal"><sp/><sp/>}</highlight></codeline> |
| <codeline lineno="52"><highlight class="normal"></highlight></codeline> |
| <codeline lineno="53"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">switch</highlight><highlight class="normal"><sp/>(expected_type.type_id())<sp/>{</highlight></codeline> |
| <codeline lineno="54"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">case</highlight><highlight class="normal"><sp/>TypeId::kLong:<sp/>{</highlight></codeline> |
| <codeline lineno="55"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(source_type.type_id()<sp/>==<sp/>TypeId::kInt)<sp/>{</highlight></codeline> |
| <codeline lineno="56"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>{};</highlight></codeline> |
| <codeline lineno="57"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline> |
| <codeline lineno="58"><highlight class="normal"><sp/><sp/><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">break</highlight><highlight class="normal">;</highlight></codeline> |
| <codeline lineno="59"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">case</highlight><highlight class="normal"><sp/>TypeId::kDouble:<sp/>{</highlight></codeline> |
| <codeline lineno="60"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(source_type.type_id()<sp/>==<sp/>TypeId::kFloat)<sp/>{</highlight></codeline> |
| <codeline lineno="61"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>{};</highlight></codeline> |
| <codeline lineno="62"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline> |
| <codeline lineno="63"><highlight class="normal"><sp/><sp/><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">break</highlight><highlight class="normal">;</highlight></codeline> |
| <codeline lineno="64"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">case</highlight><highlight class="normal"><sp/>TypeId::kDecimal:<sp/>{</highlight></codeline> |
| <codeline lineno="65"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(source_type.type_id()<sp/>==<sp/>TypeId::kDecimal)<sp/>{</highlight></codeline> |
| <codeline lineno="66"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal">&<sp/>expected_decimal<sp/>=</highlight></codeline> |
| <codeline lineno="67"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>internal::checked_cast<const<sp/>DecimalType&>(expected_type);</highlight></codeline> |
| <codeline lineno="68"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal">&<sp/>source_decimal<sp/>=</highlight></codeline> |
| <codeline lineno="69"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>internal::checked_cast<const<sp/>DecimalType&>(source_type);</highlight></codeline> |
| <codeline lineno="70"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(expected_decimal.precision()<sp/>>=<sp/>source_decimal.precision()<sp/>&&</highlight></codeline> |
| <codeline lineno="71"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>expected_decimal.scale()<sp/>==<sp/>source_decimal.scale())<sp/>{</highlight></codeline> |
| <codeline lineno="72"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>{};</highlight></codeline> |
| <codeline lineno="73"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline> |
| <codeline lineno="74"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline> |
| <codeline lineno="75"><highlight class="normal"><sp/><sp/><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">break</highlight><highlight class="normal">;</highlight></codeline> |
| <codeline lineno="76"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">default</highlight><highlight class="normal">:</highlight></codeline> |
| <codeline lineno="77"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">break</highlight><highlight class="normal">;</highlight></codeline> |
| <codeline lineno="78"><highlight class="normal"><sp/><sp/>}</highlight></codeline> |
| <codeline lineno="79"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>NotSupported(</highlight><highlight class="stringliteral">"Cannot<sp/>read<sp/>{}<sp/>from<sp/>{}"</highlight><highlight class="normal">,<sp/>expected_type,<sp/>source_type);</highlight></codeline> |
| <codeline lineno="80"><highlight class="normal">}</highlight></codeline> |
| <codeline lineno="81"><highlight class="normal"></highlight></codeline> |
| <codeline lineno="82"><highlight class="normal">Result<FieldProjection><sp/>ProjectNested(</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>Type&<sp/>expected_type,<sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>Type&<sp/>source_type,</highlight></codeline> |
| <codeline lineno="83"><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/></highlight><highlight class="keywordtype">bool</highlight><highlight class="normal"><sp/>prune_source)<sp/>{</highlight></codeline> |
| <codeline lineno="84"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(!expected_type.is_nested())<sp/>{</highlight></codeline> |
| <codeline lineno="85"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>InvalidSchema(</highlight><highlight class="stringliteral">"Expected<sp/>a<sp/>nested<sp/>type,<sp/>but<sp/>got<sp/>{}"</highlight><highlight class="normal">,<sp/>expected_type);</highlight></codeline> |
| <codeline lineno="86"><highlight class="normal"><sp/><sp/>}</highlight></codeline> |
| <codeline lineno="87"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(expected_type.type_id()<sp/>!=<sp/>source_type.type_id())<sp/>{</highlight></codeline> |
| <codeline lineno="88"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>InvalidSchema(</highlight><highlight class="stringliteral">"Expected<sp/>{},<sp/>but<sp/>got<sp/>{}"</highlight><highlight class="normal">,<sp/>expected_type,<sp/>source_type);</highlight></codeline> |
| <codeline lineno="89"><highlight class="normal"><sp/><sp/>}</highlight></codeline> |
| <codeline lineno="90"><highlight class="normal"></highlight></codeline> |
| <codeline lineno="91"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal">&<sp/>expected_fields<sp/>=</highlight></codeline> |
| <codeline lineno="92"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>internal::checked_cast<const<sp/>NestedType&>(expected_type).fields();</highlight></codeline> |
| <codeline lineno="93"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal">&<sp/>source_fields<sp/>=</highlight></codeline> |
| <codeline lineno="94"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>internal::checked_cast<const<sp/>NestedType&>(source_type).fields();</highlight></codeline> |
| <codeline lineno="95"><highlight class="normal"></highlight></codeline> |
| <codeline lineno="96"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>Build<sp/>a<sp/>map<sp/>from<sp/>field<sp/>id<sp/>to<sp/>source<sp/>field<sp/>info<sp/>including<sp/>its<sp/>local<sp/>offset<sp/>in</highlight><highlight class="normal"></highlight></codeline> |
| <codeline lineno="97"><highlight class="normal"><sp/><sp/></highlight><highlight class="comment">//<sp/>the<sp/>current<sp/>nesting<sp/>level.</highlight><highlight class="normal"></highlight></codeline> |
| <codeline lineno="98"><highlight class="normal"><sp/><sp/></highlight><highlight class="keyword">struct<sp/></highlight><highlight class="normal">SourceFieldInfo<sp/>{</highlight></codeline> |
| <codeline lineno="99"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">size_t</highlight><highlight class="normal"><sp/>local_index;</highlight></codeline> |
| <codeline lineno="100"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>SchemaField*<sp/>field;</highlight></codeline> |
| <codeline lineno="101"><highlight class="normal"><sp/><sp/>};</highlight></codeline> |
| <codeline lineno="102"><highlight class="normal"><sp/><sp/>std::unordered_map<int32_t,<sp/>SourceFieldInfo><sp/>source_field_map;</highlight></codeline> |
| <codeline lineno="103"><highlight class="normal"><sp/><sp/>source_field_map.reserve(source_fields.size());</highlight></codeline> |
| <codeline lineno="104"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">for</highlight><highlight class="normal"><sp/>(</highlight><highlight class="keywordtype">size_t</highlight><highlight class="normal"><sp/>i<sp/>=<sp/>0;<sp/>i<sp/><<sp/>source_fields.size();<sp/>++i)<sp/>{</highlight></codeline> |
| <codeline lineno="105"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal">&<sp/>field<sp/>=<sp/>source_fields[i];</highlight></codeline> |
| <codeline lineno="106"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>[iter,<sp/>inserted]<sp/>=<sp/>source_field_map.emplace(</highlight></codeline> |
| <codeline lineno="107"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>std::piecewise_construct,<sp/>std::forward_as_tuple(field.field_id()),</highlight></codeline> |
| <codeline lineno="108"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>std::forward_as_tuple(i,<sp/>&field));</highlight></codeline> |
| <codeline lineno="109"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>!inserted)<sp/>[[unlikely]]<sp/>{</highlight></codeline> |
| <codeline lineno="110"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>InvalidSchema(</highlight><highlight class="stringliteral">"Duplicate<sp/>field<sp/>id<sp/>found,<sp/>prev:<sp/>{},<sp/>curr:<sp/>{}"</highlight><highlight class="normal">,</highlight></codeline> |
| <codeline lineno="111"><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/>*iter->second.field,<sp/>field);</highlight></codeline> |
| <codeline lineno="112"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline> |
| <codeline lineno="113"><highlight class="normal"><sp/><sp/>}</highlight></codeline> |
| <codeline lineno="114"><highlight class="normal"></highlight></codeline> |
| <codeline lineno="115"><highlight class="normal"><sp/><sp/>FieldProjection<sp/>result;</highlight></codeline> |
| <codeline lineno="116"><highlight class="normal"><sp/><sp/>result.children.reserve(expected_fields.size());</highlight></codeline> |
| <codeline lineno="117"><highlight class="normal"></highlight></codeline> |
| <codeline lineno="118"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">for</highlight><highlight class="normal"><sp/>(</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/></highlight><highlight class="keyword">auto</highlight><highlight class="normal">&<sp/>expected_field<sp/>:<sp/>expected_fields)<sp/>{</highlight></codeline> |
| <codeline lineno="119"><highlight class="normal"><sp/><sp/><sp/><sp/>int32_t<sp/>field_id<sp/>=<sp/>expected_field.field_id();</highlight></codeline> |
| <codeline lineno="120"><highlight class="normal"><sp/><sp/><sp/><sp/>FieldProjection<sp/>child_projection;</highlight></codeline> |
| <codeline lineno="121"><highlight class="normal"></highlight></codeline> |
| <codeline lineno="122"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>iter<sp/>=<sp/>source_field_map.find(field_id);<sp/>iter<sp/>!=<sp/>source_field_map.cend())<sp/>{</highlight></codeline> |
| <codeline lineno="123"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(expected_field.type()->is_nested())<sp/>{</highlight></codeline> |
| <codeline lineno="124"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>ICEBERG_ASSIGN_OR_RAISE(child_projection,</highlight></codeline> |
| <codeline lineno="125"><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/>ProjectNested(*expected_field.type(),</highlight></codeline> |
| <codeline lineno="126"><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/>*iter->second.field->type(),<sp/>prune_source));</highlight></codeline> |
| <codeline lineno="127"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/>{</highlight></codeline> |
| <codeline lineno="128"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>ICEBERG_RETURN_UNEXPECTED(</highlight></codeline> |
| <codeline lineno="129"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>ValidateSchemaEvolution(*expected_field.type(),<sp/>*iter->second.field->type()));</highlight></codeline> |
| <codeline lineno="130"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>}</highlight></codeline> |
| <codeline lineno="131"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>If<sp/>`prune_source`<sp/>is<sp/>false,<sp/>all<sp/>fields<sp/>will<sp/>be<sp/>read<sp/>so<sp/>the<sp/>local<sp/>index</highlight><highlight class="normal"></highlight></codeline> |
| <codeline lineno="132"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>is<sp/>exactly<sp/>the<sp/>position<sp/>to<sp/>read<sp/>data.<sp/>Otherwise,<sp/>the<sp/>local<sp/>index<sp/>is<sp/>computed</highlight><highlight class="normal"></highlight></codeline> |
| <codeline lineno="133"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>by<sp/>pruning<sp/>all<sp/>non-projected<sp/>fields</highlight><highlight class="normal"></highlight></codeline> |
| <codeline lineno="134"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>child_projection.from<sp/>=<sp/>iter->second.local_index;</highlight></codeline> |
| <codeline lineno="135"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>child_projection.kind<sp/>=<sp/><ref refid="structiceberg_1_1FieldProjection_1a99745e34381f167e29f057e2045942adabbb9b6614134f223d02f032cd529275d" kindref="member">FieldProjection::Kind::kProjected</ref>;</highlight></codeline> |
| <codeline lineno="136"><highlight class="normal"><sp/><sp/><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(<ref refid="structiceberg_1_1MetadataColumns_1af0670f934efb90662696d0b2386888a9" kindref="member">MetadataColumns::IsMetadataColumn</ref>(field_id))<sp/>{</highlight></codeline> |
| <codeline lineno="137"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>child_projection.kind<sp/>=<sp/><ref refid="structiceberg_1_1FieldProjection_1a99745e34381f167e29f057e2045942adadc744975fcdff37e4159bd60ef0ee5ab" kindref="member">FieldProjection::Kind::kMetadata</ref>;</highlight></codeline> |
| <codeline lineno="138"><highlight class="normal"><sp/><sp/><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(expected_field.optional())<sp/>{</highlight></codeline> |
| <codeline lineno="139"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/>child_projection.kind<sp/>=<sp/><ref refid="structiceberg_1_1FieldProjection_1a99745e34381f167e29f057e2045942adaf2655c2dee87cb9b0646f678a630394b" kindref="member">FieldProjection::Kind::kNull</ref>;</highlight></codeline> |
| <codeline lineno="140"><highlight class="normal"><sp/><sp/><sp/><sp/>}<sp/></highlight><highlight class="keywordflow">else</highlight><highlight class="normal"><sp/>{</highlight></codeline> |
| <codeline lineno="141"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="comment">//<sp/>TODO(gangwu):<sp/>support<sp/>default<sp/>value<sp/>for<sp/>v3<sp/>and<sp/>constant<sp/>value</highlight><highlight class="normal"></highlight></codeline> |
| <codeline lineno="142"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>InvalidSchema(</highlight><highlight class="stringliteral">"Missing<sp/>required<sp/>field:<sp/>{}"</highlight><highlight class="normal">,<sp/>expected_field.ToString());</highlight></codeline> |
| <codeline lineno="143"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline> |
| <codeline lineno="144"><highlight class="normal"><sp/><sp/><sp/><sp/>result.children.emplace_back(std::move(child_projection));</highlight></codeline> |
| <codeline lineno="145"><highlight class="normal"><sp/><sp/>}</highlight></codeline> |
| <codeline lineno="146"><highlight class="normal"></highlight></codeline> |
| <codeline lineno="147"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(prune_source)<sp/>{</highlight></codeline> |
| <codeline lineno="148"><highlight class="normal"><sp/><sp/><sp/><sp/>PruneFieldProjection(result);</highlight></codeline> |
| <codeline lineno="149"><highlight class="normal"><sp/><sp/>}</highlight></codeline> |
| <codeline lineno="150"><highlight class="normal"></highlight></codeline> |
| <codeline lineno="151"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>result;</highlight></codeline> |
| <codeline lineno="152"><highlight class="normal">}</highlight></codeline> |
| <codeline lineno="153"><highlight class="normal"></highlight></codeline> |
| <codeline lineno="154"><highlight class="normal">}<sp/><sp/></highlight><highlight class="comment">//<sp/>namespace</highlight><highlight class="normal"></highlight></codeline> |
| <codeline lineno="155"><highlight class="normal"></highlight></codeline> |
| <codeline lineno="156"><highlight class="normal">Result<SchemaProjection><sp/>Project(</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>Schema&<sp/>expected_schema,</highlight></codeline> |
| <codeline lineno="157"><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/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>Schema&<sp/>source_schema,<sp/></highlight><highlight class="keywordtype">bool</highlight><highlight class="normal"><sp/>prune_source)<sp/>{</highlight></codeline> |
| <codeline lineno="158"><highlight class="normal"><sp/><sp/>ICEBERG_ASSIGN_OR_RAISE(</highlight><highlight class="keyword">auto</highlight><highlight class="normal"><sp/>field_projection,</highlight></codeline> |
| <codeline lineno="159"><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/>ProjectNested(expected_schema,<sp/>source_schema,<sp/>prune_source));</highlight></codeline> |
| <codeline lineno="160"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>SchemaProjection{std::move(field_projection.children)};</highlight></codeline> |
| <codeline lineno="161"><highlight class="normal">}</highlight></codeline> |
| <codeline lineno="162"><highlight class="normal"></highlight></codeline> |
| <codeline lineno="163"><highlight class="normal">std::string_view<sp/>ToString(<ref refid="structiceberg_1_1FieldProjection_1a99745e34381f167e29f057e2045942ad" kindref="member">FieldProjection::Kind</ref><sp/>kind)<sp/>{</highlight></codeline> |
| <codeline lineno="164"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">switch</highlight><highlight class="normal"><sp/>(kind)<sp/>{</highlight></codeline> |
| <codeline lineno="165"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">case</highlight><highlight class="normal"><sp/><ref refid="structiceberg_1_1FieldProjection_1a99745e34381f167e29f057e2045942adabbb9b6614134f223d02f032cd529275d" kindref="member">FieldProjection::Kind::kProjected</ref>:</highlight></codeline> |
| <codeline lineno="166"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/></highlight><highlight class="stringliteral">"projected"</highlight><highlight class="normal">;</highlight></codeline> |
| <codeline lineno="167"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">case</highlight><highlight class="normal"><sp/><ref refid="structiceberg_1_1FieldProjection_1a99745e34381f167e29f057e2045942adadc744975fcdff37e4159bd60ef0ee5ab" kindref="member">FieldProjection::Kind::kMetadata</ref>:</highlight></codeline> |
| <codeline lineno="168"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/></highlight><highlight class="stringliteral">"metadata"</highlight><highlight class="normal">;</highlight></codeline> |
| <codeline lineno="169"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">case</highlight><highlight class="normal"><sp/><ref refid="structiceberg_1_1FieldProjection_1a99745e34381f167e29f057e2045942ada043b62a71551e8b511099802b2b59a98" kindref="member">FieldProjection::Kind::kConstant</ref>:</highlight></codeline> |
| <codeline lineno="170"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/></highlight><highlight class="stringliteral">"constant"</highlight><highlight class="normal">;</highlight></codeline> |
| <codeline lineno="171"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">case</highlight><highlight class="normal"><sp/><ref refid="structiceberg_1_1FieldProjection_1a99745e34381f167e29f057e2045942ada6867faeaa475fda467e48267db2bb8a8" kindref="member">FieldProjection::Kind::kDefault</ref>:</highlight></codeline> |
| <codeline lineno="172"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/></highlight><highlight class="stringliteral">"default"</highlight><highlight class="normal">;</highlight></codeline> |
| <codeline lineno="173"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">case</highlight><highlight class="normal"><sp/><ref refid="structiceberg_1_1FieldProjection_1a99745e34381f167e29f057e2045942adaf2655c2dee87cb9b0646f678a630394b" kindref="member">FieldProjection::Kind::kNull</ref>:</highlight></codeline> |
| <codeline lineno="174"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/></highlight><highlight class="stringliteral">"null"</highlight><highlight class="normal">;</highlight></codeline> |
| <codeline lineno="175"><highlight class="normal"><sp/><sp/>}</highlight></codeline> |
| <codeline lineno="176"><highlight class="normal"><sp/><sp/>std::unreachable();</highlight></codeline> |
| <codeline lineno="177"><highlight class="normal">}</highlight></codeline> |
| <codeline lineno="178"><highlight class="normal"></highlight></codeline> |
| <codeline lineno="179"><highlight class="normal">std::string<sp/>ToString(</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>FieldProjection&<sp/>projection)<sp/>{</highlight></codeline> |
| <codeline lineno="180"><highlight class="normal"><sp/><sp/>std::string<sp/>repr<sp/>=<sp/>std::format(</highlight><highlight class="stringliteral">"FieldProjection(kind={}"</highlight><highlight class="normal">,<sp/>projection.kind);</highlight></codeline> |
| <codeline lineno="181"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(projection.kind<sp/>==<sp/><ref refid="structiceberg_1_1FieldProjection_1a99745e34381f167e29f057e2045942adabbb9b6614134f223d02f032cd529275d" kindref="member">FieldProjection::Kind::kProjected</ref>)<sp/>{</highlight></codeline> |
| <codeline lineno="182"><highlight class="normal"><sp/><sp/><sp/><sp/>std::format_to(std::back_inserter(repr),<sp/></highlight><highlight class="stringliteral">",<sp/>from={}"</highlight><highlight class="normal">,<sp/>std::get<1>(projection.from));</highlight></codeline> |
| <codeline lineno="183"><highlight class="normal"><sp/><sp/>}</highlight></codeline> |
| <codeline lineno="184"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">if</highlight><highlight class="normal"><sp/>(!projection.children.empty())<sp/>{</highlight></codeline> |
| <codeline lineno="185"><highlight class="normal"><sp/><sp/><sp/><sp/>std::format_to(std::back_inserter(repr),<sp/></highlight><highlight class="stringliteral">",<sp/>children={}"</highlight><highlight class="normal">,</highlight></codeline> |
| <codeline lineno="186"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/>FormatRange(projection.children,<sp/></highlight><highlight class="stringliteral">",<sp/>"</highlight><highlight class="normal">,<sp/></highlight><highlight class="stringliteral">"["</highlight><highlight class="normal">,<sp/></highlight><highlight class="stringliteral">"]"</highlight><highlight class="normal">));</highlight></codeline> |
| <codeline lineno="187"><highlight class="normal"><sp/><sp/>}</highlight></codeline> |
| <codeline lineno="188"><highlight class="normal"><sp/><sp/>std::format_to(std::back_inserter(repr),<sp/></highlight><highlight class="stringliteral">")"</highlight><highlight class="normal">);</highlight></codeline> |
| <codeline lineno="189"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>repr;</highlight></codeline> |
| <codeline lineno="190"><highlight class="normal">}</highlight></codeline> |
| <codeline lineno="191"><highlight class="normal"></highlight></codeline> |
| <codeline lineno="192"><highlight class="normal">std::string<sp/>ToString(</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>SchemaProjection&<sp/>projection)<sp/>{</highlight></codeline> |
| <codeline lineno="193"><highlight class="normal"><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>std::format(</highlight><highlight class="stringliteral">"{}"</highlight><highlight class="normal">,<sp/>FormatRange(projection.fields,<sp/></highlight><highlight class="stringliteral">"\n"</highlight><highlight class="normal">,<sp/></highlight><highlight class="stringliteral">""</highlight><highlight class="normal">,<sp/></highlight><highlight class="stringliteral">""</highlight><highlight class="normal">));</highlight></codeline> |
| <codeline lineno="194"><highlight class="normal">}</highlight></codeline> |
| <codeline lineno="195"><highlight class="normal"></highlight></codeline> |
| <codeline lineno="196"><highlight class="normal">}<sp/><sp/></highlight><highlight class="comment">//<sp/>namespace<sp/>iceberg</highlight><highlight class="normal"></highlight></codeline> |
| </programlisting> |
| <location file="iceberg/schema_util.cc"/> |
| </compounddef> |
| </doxygen> |
