mkdocs/docs/api/xml/classiceberg_1_1CountNonNullAggregate.xml

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    <compoundname>iceberg::CountNonNullAggregate</compoundname>
    <basecompoundref refid="classiceberg_1_1CountAggregate" prot="public" virt="non-virtual">iceberg::CountAggregate</basecompoundref>
    <includes refid="aggregate_8h" local="no">aggregate.h</includes>
    <sectiondef kind="public-static-func">
      <memberdef kind="function" id="classiceberg_1_1CountNonNullAggregate_1a6d606fc4241e375373d941ef40817187" prot="public" static="yes" const="no" explicit="no" inline="no" virt="non-virtual">
        <type>Result&lt; std::unique_ptr&lt; <ref refid="classiceberg_1_1CountNonNullAggregate" kindref="compound">CountNonNullAggregate</ref> &gt; &gt;</type>
        <definition>Result&lt; std::unique_ptr&lt; CountNonNullAggregate &gt; &gt; iceberg::CountNonNullAggregate::Make</definition>
        <argsstring>(std::shared_ptr&lt; BoundTerm &gt; term)</argsstring>
        <name>Make</name>
        <qualifiedname>iceberg::CountNonNullAggregate::Make</qualifiedname>
        <param>
          <type>std::shared_ptr&lt; <ref refid="classiceberg_1_1BoundTerm" kindref="compound">BoundTerm</ref> &gt;</type>
          <declname>term</declname>
        </param>
        <briefdescription>
        </briefdescription>
        <detaileddescription>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
        <location file="iceberg/expression/aggregate.h" line="169" column="17" bodyfile="iceberg/expression/aggregate.cc" bodystart="310" bodyend="317"/>
      </memberdef>
    </sectiondef>
    <sectiondef kind="public-func">
      <memberdef kind="function" id="classiceberg_1_1CountNonNullAggregate_1a9ded2b92fb55ebbc3f982b0641e1ff95" prot="public" static="no" const="yes" explicit="no" inline="no" virt="virtual">
        <type>Result&lt; int64_t &gt;</type>
        <definition>Result&lt; int64_t &gt; iceberg::CountNonNullAggregate::CountFor</definition>
        <argsstring>(const StructLike &amp;data) const override</argsstring>
        <name>CountFor</name>
        <qualifiedname>iceberg::CountNonNullAggregate::CountFor</qualifiedname>
        <reimplements refid="classiceberg_1_1CountAggregate_1a1a252cfb0d886a29343eaf0c9ee3a1b9">CountFor</reimplements>
        <param>
          <type>const <ref refid="classiceberg_1_1StructLike" kindref="compound">StructLike</ref> &amp;</type>
          <declname>data</declname>
        </param>
        <briefdescription>
<para>Count for a single row. Subclasses implement this. </para>
        </briefdescription>
        <detaileddescription>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
        <location file="iceberg/expression/aggregate.h" line="172" column="10" bodyfile="iceberg/expression/aggregate.cc" bodystart="319" bodyend="322"/>
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        <type>Result&lt; int64_t &gt;</type>
        <definition>Result&lt; int64_t &gt; iceberg::CountNonNullAggregate::CountFor</definition>
        <argsstring>(const DataFile &amp;file) const override</argsstring>
        <name>CountFor</name>
        <qualifiedname>iceberg::CountNonNullAggregate::CountFor</qualifiedname>
        <reimplements refid="classiceberg_1_1CountAggregate_1a5a743c8da58cbfb5d29fb7a4825cbc9a">CountFor</reimplements>
        <param>
          <type>const <ref refid="structiceberg_1_1DataFile" kindref="compound">DataFile</ref> &amp;</type>
          <declname>file</declname>
        </param>
        <briefdescription>
<para>Count using metrics from a data file. </para>
        </briefdescription>
        <detaileddescription>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
        <location file="iceberg/expression/aggregate.h" line="173" column="10" bodyfile="iceberg/expression/aggregate.cc" bodystart="324" bodyend="332"/>
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        <type>bool</type>
        <definition>bool iceberg::CountNonNullAggregate::HasValue</definition>
        <argsstring>(const DataFile &amp;file) const override</argsstring>
        <name>HasValue</name>
        <qualifiedname>iceberg::CountNonNullAggregate::HasValue</qualifiedname>
        <reimplements refid="classiceberg_1_1BoundAggregate_1a4159215eb35deeb927c0bf30ad2b8e51">HasValue</reimplements>
        <param>
          <type>const <ref refid="structiceberg_1_1DataFile" kindref="compound">DataFile</ref> &amp;</type>
          <declname>file</declname>
        </param>
        <briefdescription>
<para>Whether metrics in the data file are sufficient to evaluate. </para>
        </briefdescription>
        <detaileddescription>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
        <location file="iceberg/expression/aggregate.h" line="174" column="8" bodyfile="iceberg/expression/aggregate.cc" bodystart="334" bodyend="338"/>
      </memberdef>
    </sectiondef>
    <sectiondef kind="private-func">
      <memberdef kind="function" id="classiceberg_1_1CountNonNullAggregate_1a73b9f0897b5a1b5404ddf080d79598a3" prot="private" static="no" const="no" explicit="yes" inline="no" virt="non-virtual">
        <type></type>
        <definition>iceberg::CountNonNullAggregate::CountNonNullAggregate</definition>
        <argsstring>(std::shared_ptr&lt; BoundTerm &gt; term)</argsstring>
        <name>CountNonNullAggregate</name>
        <qualifiedname>iceberg::CountNonNullAggregate::CountNonNullAggregate</qualifiedname>
        <param>
          <type>std::shared_ptr&lt; <ref refid="classiceberg_1_1BoundTerm" kindref="compound">BoundTerm</ref> &gt;</type>
          <declname>term</declname>
        </param>
        <briefdescription>
        </briefdescription>
        <detaileddescription>
        </detaileddescription>
        <inbodydescription>
        </inbodydescription>
        <location file="iceberg/expression/aggregate.h" line="177" column="12" bodyfile="iceberg/expression/aggregate.cc" bodystart="307" bodyend="308"/>
      </memberdef>
    </sectiondef>
    <briefdescription>
<para>COUNT(term) aggregate. </para>
    </briefdescription>
    <detaileddescription>
    </detaileddescription>
    <inheritancegraph>
      <node id="4">
        <label>iceberg::Aggregate&lt; BoundTerm &gt;</label>
        <link refid="classiceberg_1_1Aggregate"/>
        <childnode refid="5" relation="public-inheritance">
        </childnode>
      </node>
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        </childnode>
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        </childnode>
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        <label>iceberg::CountNonNullAggregate</label>
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        <childnode refid="2" relation="public-inheritance">
        </childnode>
      </node>
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        <label>iceberg::Expression</label>
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        </childnode>
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        <label>iceberg::util::Formattable</label>
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        <label>iceberg::Aggregate&lt; BoundTerm &gt;</label>
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        <label>iceberg::Bound</label>
        <link refid="classiceberg_1_1Bound"/>
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      <node id="3">
        <label>iceberg::BoundAggregate</label>
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