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apache/paimon-cpp/refs/heads/gh-pages/./apidoc/xml/prefetch__file__batch__reader_8h.xml
blob: b0b1d994ea730bc70741a49dfd06b4efa5e8d1d3 [file]
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<innerclass refid="classpaimon_1_1_prefetch_file_batch_reader" prot="public">paimon::PrefetchFileBatchReader</innerclass>
<innernamespace refid="namespacepaimon">paimon</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/>&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="22"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;memory&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="23"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;utility&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="24"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&lt;vector&gt;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="25"><highlight class="normal"></highlight></codeline>
<codeline lineno="26"><highlight class="normal"></highlight><highlight class="preprocessor">#include<sp/>&quot;<ref refid="file__batch__reader_8h" kindref="compound">paimon/reader/file_batch_reader.h</ref>&quot;</highlight><highlight class="normal"></highlight></codeline>
<codeline lineno="27"><highlight class="normal"></highlight></codeline>
<codeline lineno="28"><highlight class="normal"></highlight><highlight class="keyword">namespace<sp/></highlight><highlight class="normal"><ref refid="namespacepaimon" kindref="compound">paimon</ref><sp/>{</highlight></codeline>
<codeline lineno="29"><highlight class="normal"></highlight></codeline>
<codeline lineno="33" refid="classpaimon_1_1_prefetch_file_batch_reader" refkind="compound"><highlight class="keyword">class<sp/></highlight><highlight class="normal"><ref refid="memory__pool_8h_1a147ba4ba34a215b3a4f3a95c1ee11704" kindref="member">PAIMON_EXPORT</ref><sp/><ref refid="classpaimon_1_1_prefetch_file_batch_reader" kindref="compound">PrefetchFileBatchReader</ref><sp/>:<sp/></highlight><highlight class="keyword">public</highlight><highlight class="normal"><sp/><ref refid="classpaimon_1_1_file_batch_reader" kindref="compound">FileBatchReader</ref><sp/>{</highlight></codeline>
<codeline lineno="34"><highlight class="normal"><sp/></highlight><highlight class="keyword">public</highlight><highlight class="normal">:</highlight></codeline>
<codeline lineno="38" refid="classpaimon_1_1_prefetch_file_batch_reader_1a66a9334bd1dfe45e20040116ca4c53e2" refkind="member"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">virtual</highlight><highlight class="normal"><sp/><ref refid="classpaimon_1_1_status" kindref="compound">Status</ref><sp/><ref refid="classpaimon_1_1_prefetch_file_batch_reader_1a66a9334bd1dfe45e20040116ca4c53e2" kindref="member">SeekToRow</ref>(<ref refid="memory__pool_8h_1a147ba4ba34a215b3a4f3a95c1ee11704" kindref="member">uint64_t</ref><sp/><ref refid="memory__pool_8h_1a147ba4ba34a215b3a4f3a95c1ee11704" kindref="member">row_number</ref>)<sp/>=<sp/>0;</highlight></codeline>
<codeline lineno="39"><highlight class="normal"></highlight></codeline>
<codeline lineno="43" refid="classpaimon_1_1_prefetch_file_batch_reader_1a8167dd4af27a9a4ae20581cf2dccfadd" refkind="member"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">virtual</highlight><highlight class="normal"><sp/><ref refid="memory__pool_8h_1a147ba4ba34a215b3a4f3a95c1ee11704" kindref="member">uint64_t</ref><sp/><ref refid="classpaimon_1_1_prefetch_file_batch_reader_1a8167dd4af27a9a4ae20581cf2dccfadd" kindref="member">GetNextRowToRead</ref>()<sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>=<sp/>0;</highlight></codeline>
<codeline lineno="44"><highlight class="normal"></highlight></codeline>
<codeline lineno="66" refid="classpaimon_1_1_prefetch_file_batch_reader_1a69e71fd2021a1da2fe53c89a72e06596" refkind="member"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">virtual</highlight><highlight class="normal"><sp/><ref refid="classpaimon_1_1_result" kindref="compound">Result&lt;std::vector&lt;std::pair&lt;uint64_t, uint64_t&gt;</ref>&gt;&gt;<sp/><ref refid="classpaimon_1_1_prefetch_file_batch_reader_1a69e71fd2021a1da2fe53c89a72e06596" kindref="member">GenReadRanges</ref>(</highlight></codeline>
<codeline lineno="67"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordtype">bool</highlight><highlight class="normal">*<sp/><ref refid="memory__pool_8h_1a147ba4ba34a215b3a4f3a95c1ee11704" kindref="member">need_prefetch</ref>)<sp/></highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>=<sp/>0;</highlight></codeline>
<codeline lineno="68"><highlight class="normal"></highlight></codeline>
<codeline lineno="76" refid="classpaimon_1_1_prefetch_file_batch_reader_1ac3352521fbeb92b417f685ee8230bca6" refkind="member"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">virtual</highlight><highlight class="normal"><sp/><ref refid="classpaimon_1_1_status" kindref="compound">Status</ref><sp/><ref refid="classpaimon_1_1_prefetch_file_batch_reader_1ac3352521fbeb92b417f685ee8230bca6" kindref="member">SetReadRanges</ref>(</highlight><highlight class="keyword">const</highlight><highlight class="normal"><sp/>std::vector&lt;std::pair&lt;uint64_t,<sp/>uint64_t&gt;&gt;&amp;<sp/><ref refid="memory__pool_8h_1a147ba4ba34a215b3a4f3a95c1ee11704" kindref="member">read_ranges</ref>)<sp/>=<sp/>0;</highlight></codeline>
<codeline lineno="77"><highlight class="normal"></highlight></codeline>
<codeline lineno="94" refid="classpaimon_1_1_prefetch_file_batch_reader_1af0e9acc0b5cd69f720e47a74287c7b71" refkind="member"><highlight class="normal"><sp/><sp/><sp/><sp/></highlight><highlight class="keyword">virtual</highlight><highlight class="normal"><sp/><ref refid="classpaimon_1_1_result" kindref="compound">Result&lt;std::vector&lt;std::pair&lt;uint64_t, uint64_t&gt;</ref>&gt;&gt;<sp/><ref refid="classpaimon_1_1_prefetch_file_batch_reader_1af0e9acc0b5cd69f720e47a74287c7b71" kindref="member">PreBufferRange</ref>()<sp/>{</highlight></codeline>
<codeline lineno="95"><highlight class="normal"><sp/><sp/><sp/><sp/><sp/><sp/><sp/><sp/></highlight><highlight class="keywordflow">return</highlight><highlight class="normal"><sp/>std::vector&lt;std::pair&lt;uint64_t,<sp/>uint64_t&gt;&gt;{};</highlight></codeline>
<codeline lineno="96"><highlight class="normal"><sp/><sp/><sp/><sp/>}</highlight></codeline>
<codeline lineno="97"><highlight class="normal">};</highlight></codeline>
<codeline lineno="98"><highlight class="normal"></highlight></codeline>
<codeline lineno="99"><highlight class="normal">}<sp/><sp/></highlight><highlight class="comment">//<sp/>namespace<sp/>paimon</highlight><highlight class="normal"></highlight></codeline>
</programlisting>
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