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<li class="navelem"><a class="el" href="namespacekudu.html">kudu</a></li><li class="navelem"><b>client</b></li><li class="navelem"><a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html">KuduColumnSchema</a></li> </ul>
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<a href="#pub-types">Public Types</a> &#124;
<a href="#pub-methods">Public Member Functions</a> &#124;
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<div class="title">kudu::client::KuduColumnSchema Class Reference</div> </div>
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<p>Representation of the column schema.
<a href="classkudu_1_1client_1_1KuduColumnSchema.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="schema_8h_source.html">schema.h</a>&gt;</code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr class="memitem:aba69238e70af5c887a4fb11fa2a120c5"><td class="memItemLeft" align="right" valign="top">enum &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html#aba69238e70af5c887a4fb11fa2a120c5">DataType</a> { <br/>
&#160;&#160;<b>INT8</b> = 0,
<b>INT16</b> = 1,
<b>INT32</b> = 2,
<b>INT64</b> = 3,
<br/>
&#160;&#160;<b>STRING</b> = 4,
<b>BOOL</b> = 5,
<b>FLOAT</b> = 6,
<b>DOUBLE</b> = 7,
<br/>
&#160;&#160;<b>BINARY</b> = 8,
<b>TIMESTAMP</b> = 9
<br/>
}</td></tr>
<tr class="memdesc:aba69238e70af5c887a4fb11fa2a120c5"><td class="mdescLeft">&#160;</td><td class="mdescRight">Supported data types for columns. <br/></td></tr>
<tr class="separator:aba69238e70af5c887a4fb11fa2a120c5"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a8cde78ce096e34e81b565da6a38aae2f"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html#a8cde78ce096e34e81b565da6a38aae2f">KuduColumnSchema</a> (const std::string &amp;name, <a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html#aba69238e70af5c887a4fb11fa2a120c5">DataType</a> <a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html#a138fb61c6f39afbd2696642216486e56">type</a>, bool <a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html#a45ea4feefa1c69b1ec6bc5f0316ed7ec">is_nullable</a>=false, const void *default_value=NULL, <a class="el" href="classkudu_1_1client_1_1KuduColumnStorageAttributes.html">KuduColumnStorageAttributes</a> attributes=<a class="el" href="classkudu_1_1client_1_1KuduColumnStorageAttributes.html">KuduColumnStorageAttributes</a>())</td></tr>
<tr class="separator:a8cde78ce096e34e81b565da6a38aae2f"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:afc82e98af83ba61079ba5d30401b5872"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html#afc82e98af83ba61079ba5d30401b5872">KuduColumnSchema</a> (const <a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html">KuduColumnSchema</a> &amp;other)</td></tr>
<tr class="separator:afc82e98af83ba61079ba5d30401b5872"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4b58da787c8e7dc14987aa74a54f199e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html">KuduColumnSchema</a> &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html#a4b58da787c8e7dc14987aa74a54f199e">operator=</a> (const <a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html">KuduColumnSchema</a> &amp;other)</td></tr>
<tr class="separator:a4b58da787c8e7dc14987aa74a54f199e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a11234db43eb8b758a65ba1b08f6b65b0"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html#a11234db43eb8b758a65ba1b08f6b65b0">CopyFrom</a> (const <a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html">KuduColumnSchema</a> &amp;other)</td></tr>
<tr class="separator:a11234db43eb8b758a65ba1b08f6b65b0"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a9f0b1346b66394d7372e401c8eb5458a"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html#a9f0b1346b66394d7372e401c8eb5458a">Equals</a> (const <a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html">KuduColumnSchema</a> &amp;other) const </td></tr>
<tr class="separator:a9f0b1346b66394d7372e401c8eb5458a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr><td colspan="2"><div class="groupHeader">Getters to expose column schema information.</div></td></tr>
<tr><td colspan="2"><div class="groupText"><dl class="todo"><dt><b><a class="el" href="todo.html#_todo000013">Todo:</a></b></dt><dd>Expose default column value and attributes?</dd></dl>
<dl class="section return"><dt>Returns</dt><dd>Name of the column schema. </dd></dl>
</div></td></tr>
<tr class="memitem:a501574ac49553c050388f17ef1d7ef16"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a501574ac49553c050388f17ef1d7ef16"></a>
const std::string &amp;&#160;</td><td class="memItemRight" valign="bottom"><b>name</b> () const </td></tr>
<tr class="separator:a501574ac49553c050388f17ef1d7ef16"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a138fb61c6f39afbd2696642216486e56"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html#aba69238e70af5c887a4fb11fa2a120c5">DataType</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html#a138fb61c6f39afbd2696642216486e56">type</a> () const </td></tr>
<tr class="separator:a138fb61c6f39afbd2696642216486e56"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a45ea4feefa1c69b1ec6bc5f0316ed7ec"><td class="memItemLeft" align="right" valign="top">bool&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html#a45ea4feefa1c69b1ec6bc5f0316ed7ec">is_nullable</a> () const </td></tr>
<tr class="separator:a45ea4feefa1c69b1ec6bc5f0316ed7ec"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:af362af4f9c937c2b7fa90ef284cfbd1c"><td class="memItemLeft" align="right" valign="top">static std::string&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html#af362af4f9c937c2b7fa90ef284cfbd1c">DataTypeToString</a> (<a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html#aba69238e70af5c887a4fb11fa2a120c5">DataType</a> <a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html#a138fb61c6f39afbd2696642216486e56">type</a>)</td></tr>
<tr class="separator:af362af4f9c937c2b7fa90ef284cfbd1c"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="friends"></a>
Friends</h2></td></tr>
<tr class="memitem:a2e6c5f4ca00ab2d2d3e227bf22a7f111"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2e6c5f4ca00ab2d2d3e227bf22a7f111"></a>
class&#160;</td><td class="memItemRight" valign="bottom"><b>KuduColumnSpec</b></td></tr>
<tr class="separator:a2e6c5f4ca00ab2d2d3e227bf22a7f111"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4af4daf696b3cec04856fc804558ffa8"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4af4daf696b3cec04856fc804558ffa8"></a>
class&#160;</td><td class="memItemRight" valign="bottom"><b>KuduSchema</b></td></tr>
<tr class="separator:a4af4daf696b3cec04856fc804558ffa8"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab04cec7242eaf6df17c2923f939df780"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab04cec7242eaf6df17c2923f939df780"></a>
class&#160;</td><td class="memItemRight" valign="bottom"><b>KuduSchemaBuilder</b></td></tr>
<tr class="separator:ab04cec7242eaf6df17c2923f939df780"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3460d221abb050e895feac294530a58f"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3460d221abb050e895feac294530a58f"></a>
class&#160;</td><td class="memItemRight" valign="bottom"><b>KuduTableAlterer</b></td></tr>
<tr class="separator:a3460d221abb050e895feac294530a58f"><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>Representation of the column schema. </p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="a8cde78ce096e34e81b565da6a38aae2f"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">kudu::client::KuduColumnSchema::KuduColumnSchema </td>
<td>(</td>
<td class="paramtype">const std::string &amp;&#160;</td>
<td class="paramname"><em>name</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html#aba69238e70af5c887a4fb11fa2a120c5">DataType</a>&#160;</td>
<td class="paramname"><em>type</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool&#160;</td>
<td class="paramname"><em>is_nullable</em> = <code>false</code>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const void *&#160;</td>
<td class="paramname"><em>default_value</em> = <code>NULL</code>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classkudu_1_1client_1_1KuduColumnStorageAttributes.html">KuduColumnStorageAttributes</a>&#160;</td>
<td class="paramname"><em>attributes</em> = <code><a class="el" href="classkudu_1_1client_1_1KuduColumnStorageAttributes.html">KuduColumnStorageAttributes</a>()</code>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000009">Deprecated:</a></b></dt><dd>Use <a class="el" href="classkudu_1_1client_1_1KuduSchemaBuilder.html" title="Builder API for constructing a KuduSchema object. ">KuduSchemaBuilder</a> instead.</dd></dl>
<dl class="todo"><dt><b><a class="el" href="todo.html#_todo000012">Todo:</a></b></dt><dd>KUDU-809: make this hard-to-use constructor private. Clients should use the Builder API. Currently only the Python API uses this old API.</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">name</td><td>The name of the column. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">type</td><td>The type of the column. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">is_nullable</td><td>Whether the column is nullable. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">default_value</td><td>Default value for the column. </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">attributes</td><td>Column storage attributes. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="afc82e98af83ba61079ba5d30401b5872"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">kudu::client::KuduColumnSchema::KuduColumnSchema </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html">KuduColumnSchema</a> &amp;&#160;</td>
<td class="paramname"><em>other</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Construct <a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html" title="Representation of the column schema. ">KuduColumnSchema</a> object as a copy of another object.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">other</td><td>The reference object to copy from. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a class="anchor" id="a11234db43eb8b758a65ba1b08f6b65b0"></a>
<div class="memitem">
<div class="memproto">
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<td class="memname">void kudu::client::KuduColumnSchema::CopyFrom </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html">KuduColumnSchema</a> &amp;&#160;</td>
<td class="paramname"><em>other</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<p>Make this object an identical copy of the other one.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">other</td><td>The reference object to copy from. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="af362af4f9c937c2b7fa90ef284cfbd1c"></a>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">static std::string kudu::client::KuduColumnSchema::DataTypeToString </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html#aba69238e70af5c887a4fb11fa2a120c5">DataType</a>&#160;</td>
<td class="paramname"><em>type</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">static</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">type</td><td>Column data type. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>String representation of the column data type. </dd></dl>
</div>
</div>
<a class="anchor" id="a9f0b1346b66394d7372e401c8eb5458a"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname">bool kudu::client::KuduColumnSchema::Equals </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html">KuduColumnSchema</a> &amp;&#160;</td>
<td class="paramname"><em>other</em></td><td>)</td>
<td> const</td>
</tr>
</table>
</div><div class="memdoc">
<p>Check whether the object is identical to the other one.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">other</td><td>The reference object to compare with. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><code>true</code> iff the object is identical to the specified one. </dd></dl>
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<td class="memname">bool kudu::client::KuduColumnSchema::is_nullable </td>
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<dl class="section return"><dt>Returns</dt><dd><code>true</code> iff the column schema has the nullable attribute set. </dd></dl>
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<td class="memname"><a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html">KuduColumnSchema</a>&amp; kudu::client::KuduColumnSchema::operator= </td>
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<td class="paramtype">const <a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html">KuduColumnSchema</a> &amp;&#160;</td>
<td class="paramname"><em>other</em></td><td>)</td>
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<p>The assignment operator.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">other</td><td>The reference object to assign from. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>The updated object. </dd></dl>
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<td class="memname"><a class="el" href="classkudu_1_1client_1_1KuduColumnSchema.html#aba69238e70af5c887a4fb11fa2a120c5">DataType</a> kudu::client::KuduColumnSchema::type </td>
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<dl class="section return"><dt>Returns</dt><dd>Type of the column schema. </dd></dl>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>include/kudu/client/<a class="el" href="schema_8h_source.html">schema.h</a></li>
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