mkdocs/docs/api/structiceberg_1_1FieldMetrics.html - iceberg-cpp - Git at Google

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 <a href="#pub-attribs">Public Attributes</a> &#124;
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 <p>Field-level metrics for a single column.
  <a href="structiceberg_1_1FieldMetrics.html#details">More...</a></p>

 <p><code>#include &lt;<a class="el" href="metrics_8h_source.html">metrics.h</a>&gt;</code></p>
 <table class="memberdecls">
 <tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-attribs" name="pub-attribs"></a>
 Public Attributes</h2></td></tr>
 <tr class="memitem:a74e7b16be3cf9d1447f15f93b0eb64ca" id="r_a74e7b16be3cf9d1447f15f93b0eb64ca"><td class="memItemLeft" align="right" valign="top"><a id="a74e7b16be3cf9d1447f15f93b0eb64ca" name="a74e7b16be3cf9d1447f15f93b0eb64ca"></a>
 int32_t&#160;</td><td class="memItemRight" valign="bottom"><b>field_id</b> = -1</td></tr>
 <tr class="memdesc:a74e7b16be3cf9d1447f15f93b0eb64ca"><td class="mdescLeft">&#160;</td><td class="mdescRight">The field ID this metrics belongs to. <br /></td></tr>
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 <tr class="memitem:afbb6f7b781db27961bb698e7792845ad" id="r_afbb6f7b781db27961bb698e7792845ad"><td class="memItemLeft" align="right" valign="top"><a id="afbb6f7b781db27961bb698e7792845ad" name="afbb6f7b781db27961bb698e7792845ad"></a>
 int64_t&#160;</td><td class="memItemRight" valign="bottom"><b>value_count</b> = -1</td></tr>
 <tr class="memdesc:afbb6f7b781db27961bb698e7792845ad"><td class="mdescLeft">&#160;</td><td class="mdescRight">The total number of values (including nulls) for this field. A negative value indicates the count is unknown. <br /></td></tr>
 <tr class="separator:afbb6f7b781db27961bb698e7792845ad"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:aa83ce731bb0ecf18c7d55790f6ea83e0" id="r_aa83ce731bb0ecf18c7d55790f6ea83e0"><td class="memItemLeft" align="right" valign="top"><a id="aa83ce731bb0ecf18c7d55790f6ea83e0" name="aa83ce731bb0ecf18c7d55790f6ea83e0"></a>
 int64_t&#160;</td><td class="memItemRight" valign="bottom"><b>null_value_count</b> = -1</td></tr>
 <tr class="memdesc:aa83ce731bb0ecf18c7d55790f6ea83e0"><td class="mdescLeft">&#160;</td><td class="mdescRight">The number of null values for this field. A negative value indicates the count is unknown. <br /></td></tr>
 <tr class="separator:aa83ce731bb0ecf18c7d55790f6ea83e0"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:ab1a664de1ca783302621ab695082ddab" id="r_ab1a664de1ca783302621ab695082ddab"><td class="memItemLeft" align="right" valign="top"><a id="ab1a664de1ca783302621ab695082ddab" name="ab1a664de1ca783302621ab695082ddab"></a>
 int64_t&#160;</td><td class="memItemRight" valign="bottom"><b>nan_value_count</b> = -1</td></tr>
 <tr class="memdesc:ab1a664de1ca783302621ab695082ddab"><td class="mdescLeft">&#160;</td><td class="mdescRight">The number of NaN values for this field. A negative value indicates the count is unknown. <br /></td></tr>
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 std::optional&lt; <a class="el" href="classiceberg_1_1Literal.html">Literal</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>lower_bound</b> = std::nullopt</td></tr>
 <tr class="memdesc:a206fd2af6f4cba5c26a7ad606a2939fc"><td class="mdescLeft">&#160;</td><td class="mdescRight">The lower bound value as a <a class="el" href="classiceberg_1_1Literal.html" title="Literal is a literal value that is associated with a primitive type.">Literal</a>. Empty if no lower bound is available. <br /></td></tr>
 <tr class="separator:a206fd2af6f4cba5c26a7ad606a2939fc"><td class="memSeparator" colspan="2">&#160;</td></tr>
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 std::optional&lt; <a class="el" href="classiceberg_1_1Literal.html">Literal</a> &gt;&#160;</td><td class="memItemRight" valign="bottom"><b>upper_bound</b> = std::nullopt</td></tr>
 <tr class="memdesc:a4dd2a538baeffa8a5559d19b9dd9b24d"><td class="mdescLeft">&#160;</td><td class="mdescRight">The upper bound value as a <a class="el" href="classiceberg_1_1Literal.html" title="Literal is a literal value that is associated with a primitive type.">Literal</a>. Empty if no upper bound is available. <br /></td></tr>
 <tr class="separator:a4dd2a538baeffa8a5559d19b9dd9b24d"><td class="memSeparator" colspan="2">&#160;</td></tr>
 </table>
 <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
 <div class="textblock"><p>Field-level metrics for a single column. </p>
 <p>This structure captures value counts, null counts, NaN counts, and optional lower/upper bounds for a specific field identified by its field_id. </p>
 </div><hr/>The documentation for this struct was generated from the following file:<ul>
 <li>iceberg/<a class="el" href="metrics_8h_source.html">metrics.h</a></li>
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	<li class="navelem"><a class="el" href="namespaceiceberg.html">iceberg</a></li><li class="navelem"><a class="el" href="structiceberg_1_1FieldMetrics.html">FieldMetrics</a></li> </ul>
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	<a href="#pub-attribs">Public Attributes</a> \|
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	<div class="headertitle"><div class="title">iceberg::FieldMetrics Struct Reference</div></div>
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	<p>Field-level metrics for a single column.
	<a href="structiceberg_1_1FieldMetrics.html#details">More...</a></p>

	<p><code>#include <<a class="el" href="metrics_8h_source.html">metrics.h</a>></code></p>
	<table class="memberdecls">
	<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="pub-attribs" name="pub-attribs"></a>
	Public Attributes</h2></td></tr>
	<tr class="memitem:a74e7b16be3cf9d1447f15f93b0eb64ca" id="r_a74e7b16be3cf9d1447f15f93b0eb64ca"><td class="memItemLeft" align="right" valign="top"><a id="a74e7b16be3cf9d1447f15f93b0eb64ca" name="a74e7b16be3cf9d1447f15f93b0eb64ca"></a>
	int32_t </td><td class="memItemRight" valign="bottom"><b>field_id</b> = -1</td></tr>
	<tr class="memdesc:a74e7b16be3cf9d1447f15f93b0eb64ca"><td class="mdescLeft"> </td><td class="mdescRight">The field ID this metrics belongs to. <br /></td></tr>
	<tr class="separator:a74e7b16be3cf9d1447f15f93b0eb64ca"><td class="memSeparator" colspan="2"> </td></tr>
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	int64_t </td><td class="memItemRight" valign="bottom"><b>value_count</b> = -1</td></tr>
	<tr class="memdesc:afbb6f7b781db27961bb698e7792845ad"><td class="mdescLeft"> </td><td class="mdescRight">The total number of values (including nulls) for this field. A negative value indicates the count is unknown. <br /></td></tr>
	<tr class="separator:afbb6f7b781db27961bb698e7792845ad"><td class="memSeparator" colspan="2"> </td></tr>
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	int64_t </td><td class="memItemRight" valign="bottom"><b>null_value_count</b> = -1</td></tr>
	<tr class="memdesc:aa83ce731bb0ecf18c7d55790f6ea83e0"><td class="mdescLeft"> </td><td class="mdescRight">The number of null values for this field. A negative value indicates the count is unknown. <br /></td></tr>
	<tr class="separator:aa83ce731bb0ecf18c7d55790f6ea83e0"><td class="memSeparator" colspan="2"> </td></tr>
	<tr class="memitem:ab1a664de1ca783302621ab695082ddab" id="r_ab1a664de1ca783302621ab695082ddab"><td class="memItemLeft" align="right" valign="top"><a id="ab1a664de1ca783302621ab695082ddab" name="ab1a664de1ca783302621ab695082ddab"></a>
	int64_t </td><td class="memItemRight" valign="bottom"><b>nan_value_count</b> = -1</td></tr>
	<tr class="memdesc:ab1a664de1ca783302621ab695082ddab"><td class="mdescLeft"> </td><td class="mdescRight">The number of NaN values for this field. A negative value indicates the count is unknown. <br /></td></tr>
	<tr class="separator:ab1a664de1ca783302621ab695082ddab"><td class="memSeparator" colspan="2"> </td></tr>
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	std::optional< <a class="el" href="classiceberg_1_1Literal.html">Literal</a> > </td><td class="memItemRight" valign="bottom"><b>lower_bound</b> = std::nullopt</td></tr>
	<tr class="memdesc:a206fd2af6f4cba5c26a7ad606a2939fc"><td class="mdescLeft"> </td><td class="mdescRight">The lower bound value as a <a class="el" href="classiceberg_1_1Literal.html" title="Literal is a literal value that is associated with a primitive type.">Literal</a>. Empty if no lower bound is available. <br /></td></tr>
	<tr class="separator:a206fd2af6f4cba5c26a7ad606a2939fc"><td class="memSeparator" colspan="2"> </td></tr>
	<tr class="memitem:a4dd2a538baeffa8a5559d19b9dd9b24d" id="r_a4dd2a538baeffa8a5559d19b9dd9b24d"><td class="memItemLeft" align="right" valign="top"><a id="a4dd2a538baeffa8a5559d19b9dd9b24d" name="a4dd2a538baeffa8a5559d19b9dd9b24d"></a>
	std::optional< <a class="el" href="classiceberg_1_1Literal.html">Literal</a> > </td><td class="memItemRight" valign="bottom"><b>upper_bound</b> = std::nullopt</td></tr>
	<tr class="memdesc:a4dd2a538baeffa8a5559d19b9dd9b24d"><td class="mdescLeft"> </td><td class="mdescRight">The upper bound value as a <a class="el" href="classiceberg_1_1Literal.html" title="Literal is a literal value that is associated with a primitive type.">Literal</a>. Empty if no upper bound is available. <br /></td></tr>
	<tr class="separator:a4dd2a538baeffa8a5559d19b9dd9b24d"><td class="memSeparator" colspan="2"> </td></tr>
	</table>
	<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
	<div class="textblock"><p>Field-level metrics for a single column. </p>
	<p>This structure captures value counts, null counts, NaN counts, and optional lower/upper bounds for a specific field identified by its field_id. </p>
	</div><hr/>The documentation for this struct was generated from the following file:<ul>
	<li>iceberg/<a class="el" href="metrics_8h_source.html">metrics.h</a></li>
	</ul>
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