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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<title>WiredTiger: wiredtiger.Cursor Class Reference</title>
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 <span id="projectnumber">Version 1.4.2</span>
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<a href="https://github.com/wiredtiger/wiredtiger">Fork me on GitHub</a>
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<div class="title">wiredtiger.Cursor Class Reference<div class="ingroups"><a class="el" href="group__wt__python.html">WiredTiger Python API</a></div></div> </div>
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<p>Python wrapper around C <a class="el" href="struct_w_t___c_u_r_s_o_r.html" title="A WT_CURSOR handle is the interface to a cursor.">WT_CURSOR</a>.
<a href="classwiredtiger_1_1_cursor.html#details">More...</a></p>
<p>Inherits object.</p>
<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:a9f958bb88be84925174aaad0ed3fcd0c"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9f958bb88be84925174aaad0ed3fcd0c"></a>
def </td><td class="memItemRight" valign="bottom"><b>__init__</b></td></tr>
<tr class="separator:a9f958bb88be84925174aaad0ed3fcd0c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a06199585b19bf03feb1ad8088b5002e0"><td class="memItemLeft" align="right" valign="top">def </td><td class="memItemRight" valign="bottom"><a class="el" href="classwiredtiger_1_1_cursor.html#a06199585b19bf03feb1ad8088b5002e0">next</a></td></tr>
<tr class="memdesc:a06199585b19bf03feb1ad8088b5002e0"><td class="mdescLeft"> </td><td class="mdescRight">next(self) -> int <a href="#a06199585b19bf03feb1ad8088b5002e0"></a><br/></td></tr>
<tr class="separator:a06199585b19bf03feb1ad8088b5002e0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aaae57c402842cb09518d8b9a4e1ee8bf"><td class="memItemLeft" align="right" valign="top">def </td><td class="memItemRight" valign="bottom"><a class="el" href="classwiredtiger_1_1_cursor.html#aaae57c402842cb09518d8b9a4e1ee8bf">prev</a></td></tr>
<tr class="memdesc:aaae57c402842cb09518d8b9a4e1ee8bf"><td class="mdescLeft"> </td><td class="mdescRight">prev(self) -> int <a href="#aaae57c402842cb09518d8b9a4e1ee8bf"></a><br/></td></tr>
<tr class="separator:aaae57c402842cb09518d8b9a4e1ee8bf"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a742a5fe96e8c5e93eb7990ea33e1b0e5"><td class="memItemLeft" align="right" valign="top">def </td><td class="memItemRight" valign="bottom"><a class="el" href="classwiredtiger_1_1_cursor.html#a742a5fe96e8c5e93eb7990ea33e1b0e5">reset</a></td></tr>
<tr class="memdesc:a742a5fe96e8c5e93eb7990ea33e1b0e5"><td class="mdescLeft"> </td><td class="mdescRight">reset(self) -> int <a href="#a742a5fe96e8c5e93eb7990ea33e1b0e5"></a><br/></td></tr>
<tr class="separator:a742a5fe96e8c5e93eb7990ea33e1b0e5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a72f554e3f35a1defb103f42937714d07"><td class="memItemLeft" align="right" valign="top">def </td><td class="memItemRight" valign="bottom"><a class="el" href="classwiredtiger_1_1_cursor.html#a72f554e3f35a1defb103f42937714d07">search</a></td></tr>
<tr class="memdesc:a72f554e3f35a1defb103f42937714d07"><td class="mdescLeft"> </td><td class="mdescRight">search(self) -> int <a href="#a72f554e3f35a1defb103f42937714d07"></a><br/></td></tr>
<tr class="separator:a72f554e3f35a1defb103f42937714d07"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6f9bb264bbc0d4ea070ba2dd713fe878"><td class="memItemLeft" align="right" valign="top">def </td><td class="memItemRight" valign="bottom"><a class="el" href="classwiredtiger_1_1_cursor.html#a6f9bb264bbc0d4ea070ba2dd713fe878">insert</a></td></tr>
<tr class="memdesc:a6f9bb264bbc0d4ea070ba2dd713fe878"><td class="mdescLeft"> </td><td class="mdescRight">insert(self) -> int <a href="#a6f9bb264bbc0d4ea070ba2dd713fe878"></a><br/></td></tr>
<tr class="separator:a6f9bb264bbc0d4ea070ba2dd713fe878"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a62366c8ac370ad4a04068213ca3bbe9f"><td class="memItemLeft" align="right" valign="top">def </td><td class="memItemRight" valign="bottom"><a class="el" href="classwiredtiger_1_1_cursor.html#a62366c8ac370ad4a04068213ca3bbe9f">update</a></td></tr>
<tr class="memdesc:a62366c8ac370ad4a04068213ca3bbe9f"><td class="mdescLeft"> </td><td class="mdescRight">update(self) -> int <a href="#a62366c8ac370ad4a04068213ca3bbe9f"></a><br/></td></tr>
<tr class="separator:a62366c8ac370ad4a04068213ca3bbe9f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:abefae69957c8b81be3b26bf3a14a9129"><td class="memItemLeft" align="right" valign="top">def </td><td class="memItemRight" valign="bottom"><a class="el" href="classwiredtiger_1_1_cursor.html#abefae69957c8b81be3b26bf3a14a9129">remove</a></td></tr>
<tr class="memdesc:abefae69957c8b81be3b26bf3a14a9129"><td class="mdescLeft"> </td><td class="mdescRight">remove(self) -> int <a href="#abefae69957c8b81be3b26bf3a14a9129"></a><br/></td></tr>
<tr class="separator:abefae69957c8b81be3b26bf3a14a9129"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8d037500ab0d9a89411c5a00a7d6d6f7"><td class="memItemLeft" align="right" valign="top">def </td><td class="memItemRight" valign="bottom"><a class="el" href="classwiredtiger_1_1_cursor.html#a8d037500ab0d9a89411c5a00a7d6d6f7">close</a></td></tr>
<tr class="memdesc:a8d037500ab0d9a89411c5a00a7d6d6f7"><td class="mdescLeft"> </td><td class="mdescRight">close(self, config) -> int <a href="#a8d037500ab0d9a89411c5a00a7d6d6f7"></a><br/></td></tr>
<tr class="separator:a8d037500ab0d9a89411c5a00a7d6d6f7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a497fb791b13995032e019e1db539e3d0"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a497fb791b13995032e019e1db539e3d0"></a>
def </td><td class="memItemRight" valign="bottom"><a class="el" href="classwiredtiger_1_1_cursor.html#a497fb791b13995032e019e1db539e3d0">compare</a></td></tr>
<tr class="memdesc:a497fb791b13995032e019e1db539e3d0"><td class="mdescLeft"> </td><td class="mdescRight">compare(self, other) -> int <br/></td></tr>
<tr class="separator:a497fb791b13995032e019e1db539e3d0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2f6d7c90d79d08be338a7bfbb98e921d"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2f6d7c90d79d08be338a7bfbb98e921d"></a>
def </td><td class="memItemRight" valign="bottom"><a class="el" href="classwiredtiger_1_1_cursor.html#a2f6d7c90d79d08be338a7bfbb98e921d">search_near</a></td></tr>
<tr class="memdesc:a2f6d7c90d79d08be338a7bfbb98e921d"><td class="mdescLeft"> </td><td class="mdescRight">search_near(self) -> int <br/></td></tr>
<tr class="separator:a2f6d7c90d79d08be338a7bfbb98e921d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1e7a878d3d84c2fbb5ca9edc808ec1a8"><td class="memItemLeft" align="right" valign="top">def </td><td class="memItemRight" valign="bottom"><a class="el" href="classwiredtiger_1_1_cursor.html#a1e7a878d3d84c2fbb5ca9edc808ec1a8">get_key</a></td></tr>
<tr class="memdesc:a1e7a878d3d84c2fbb5ca9edc808ec1a8"><td class="mdescLeft"> </td><td class="mdescRight">get_key(self) -> object <a href="#a1e7a878d3d84c2fbb5ca9edc808ec1a8"></a><br/></td></tr>
<tr class="separator:a1e7a878d3d84c2fbb5ca9edc808ec1a8"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af4fcf5c8d46a5a25ebc039962d53a8a8"><td class="memItemLeft" align="right" valign="top">def </td><td class="memItemRight" valign="bottom"><a class="el" href="classwiredtiger_1_1_cursor.html#af4fcf5c8d46a5a25ebc039962d53a8a8">get_keys</a></td></tr>
<tr class="memdesc:af4fcf5c8d46a5a25ebc039962d53a8a8"><td class="mdescLeft"> </td><td class="mdescRight">get_keys(self) -> (object, ...) <a href="#af4fcf5c8d46a5a25ebc039962d53a8a8"></a><br/></td></tr>
<tr class="separator:af4fcf5c8d46a5a25ebc039962d53a8a8"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5a0b58f2e2a11ec5bc964f1ce256097e"><td class="memItemLeft" align="right" valign="top">def </td><td class="memItemRight" valign="bottom"><a class="el" href="classwiredtiger_1_1_cursor.html#a5a0b58f2e2a11ec5bc964f1ce256097e">get_value</a></td></tr>
<tr class="memdesc:a5a0b58f2e2a11ec5bc964f1ce256097e"><td class="mdescLeft"> </td><td class="mdescRight">get_value(self) -> object <a href="#a5a0b58f2e2a11ec5bc964f1ce256097e"></a><br/></td></tr>
<tr class="separator:a5a0b58f2e2a11ec5bc964f1ce256097e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a407e3a37680d794e621b0eaba12321bb"><td class="memItemLeft" align="right" valign="top">def </td><td class="memItemRight" valign="bottom"><a class="el" href="classwiredtiger_1_1_cursor.html#a407e3a37680d794e621b0eaba12321bb">get_values</a></td></tr>
<tr class="memdesc:a407e3a37680d794e621b0eaba12321bb"><td class="mdescLeft"> </td><td class="mdescRight">get_values(self) -> (object, ...) <a href="#a407e3a37680d794e621b0eaba12321bb"></a><br/></td></tr>
<tr class="separator:a407e3a37680d794e621b0eaba12321bb"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:acbd568b465c94a6ad7183c36483fa58d"><td class="memItemLeft" align="right" valign="top">def </td><td class="memItemRight" valign="bottom"><a class="el" href="classwiredtiger_1_1_cursor.html#acbd568b465c94a6ad7183c36483fa58d">set_key</a></td></tr>
<tr class="memdesc:acbd568b465c94a6ad7183c36483fa58d"><td class="mdescLeft"> </td><td class="mdescRight">set_key(self) -> None <a href="#acbd568b465c94a6ad7183c36483fa58d"></a><br/></td></tr>
<tr class="separator:acbd568b465c94a6ad7183c36483fa58d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa02dee9e709301533332d1857083c83d"><td class="memItemLeft" align="right" valign="top">def </td><td class="memItemRight" valign="bottom"><a class="el" href="classwiredtiger_1_1_cursor.html#aa02dee9e709301533332d1857083c83d">set_value</a></td></tr>
<tr class="memdesc:aa02dee9e709301533332d1857083c83d"><td class="mdescLeft"> </td><td class="mdescRight">set_value(self) -> None <a href="#aa02dee9e709301533332d1857083c83d"></a><br/></td></tr>
<tr class="separator:aa02dee9e709301533332d1857083c83d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a922487ba5a4f33189ebe734f2fc32ba8"><td class="memItemLeft" align="right" valign="top">def </td><td class="memItemRight" valign="bottom"><a class="el" href="classwiredtiger_1_1_cursor.html#a922487ba5a4f33189ebe734f2fc32ba8">__iter__</a></td></tr>
<tr class="memdesc:a922487ba5a4f33189ebe734f2fc32ba8"><td class="mdescLeft"> </td><td class="mdescRight"><a class="el" href="classwiredtiger_1_1_cursor.html" title="Python wrapper around C WT_CURSOR.">Cursor</a> objects support iteration, equivalent to calling <a class="el" href="struct_w_t___c_u_r_s_o_r.html#a0503f16bd8f3d05aa3552f229b3a8e1b" title="Return the next record.">WT_CURSOR::next</a> until it returns <a class="el" href="group__wt.html#ga3c9e1b494d95cf34404ab7a974af6bf8" title="Cursor item not found.">WT_NOTFOUND</a>. <a href="#a922487ba5a4f33189ebe734f2fc32ba8"></a><br/></td></tr>
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def </td><td class="memItemRight" valign="bottom"><a class="el" href="classwiredtiger_1_1_cursor.html#af3d4d481a63b9fdf7c7fbda76a765faa">__getitem__</a></td></tr>
<tr class="memdesc:af3d4d481a63b9fdf7c7fbda76a765faa"><td class="mdescLeft"> </td><td class="mdescRight">Python convenience for searching. <br/></td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-attribs"></a>
Public Attributes</h2></td></tr>
<tr class="memitem:a6d37152159dbe1f84dbffac0cb9c5aca"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a6d37152159dbe1f84dbffac0cb9c5aca"></a>
 </td><td class="memItemRight" valign="bottom"><b>this</b></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-attribs"></a>
Static Public Attributes</h2></td></tr>
<tr class="memitem:a3928938ee5b62282f3e5beada05c2b95"><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3928938ee5b62282f3e5beada05c2b95"></a>
tuple </td><td class="memItemRight" valign="bottom"><b>thisown</b></td></tr>
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tuple </td><td class="memItemRight" valign="bottom"><b>session</b></td></tr>
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tuple </td><td class="memItemRight" valign="bottom"><b>uri</b></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Python wrapper around C <a class="el" href="struct_w_t___c_u_r_s_o_r.html" title="A WT_CURSOR handle is the interface to a cursor.">WT_CURSOR</a>. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">def wiredtiger.Cursor.__iter__ </td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em></td><td>)</td>
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<p><a class="el" href="classwiredtiger_1_1_cursor.html" title="Python wrapper around C WT_CURSOR.">Cursor</a> objects support iteration, equivalent to calling <a class="el" href="struct_w_t___c_u_r_s_o_r.html#a0503f16bd8f3d05aa3552f229b3a8e1b" title="Return the next record.">WT_CURSOR::next</a> until it returns <a class="el" href="group__wt.html#ga3c9e1b494d95cf34404ab7a974af6bf8" title="Cursor item not found.">WT_NOTFOUND</a>. </p>
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<td class="memname">def wiredtiger.Cursor.close </td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname"><em>args</em> </td>
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<tr>
<td></td>
<td>)</td>
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<p>close(self, config) -> int </p>
<p>Close the cursor. This releases the resources associated with the cursor handle. Cursors are closed implicitly by ending the enclosing connection or closing the session in which they were opened.<div class="fragment"><div class="line"> ret = cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#aeea071f192cab12245a50fbe71c3460b" title="Close the cursor.">close</a>(cursor);</div>
</div><!-- fragment --> <dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cursor</td><td>the cursor handle </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>zero on success and a non-zero error code on failure. See <a class="el" href="group__wt.html#error_returns">Error Returns</a> for details. </dd></dl>
</p>
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<td class="memname">def wiredtiger.Cursor.get_key </td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em></td><td>)</td>
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<p>get_key(self) -> object </p>
<p>Get the key for the current record. <div class="fragment"><div class="line"> <span class="keyword">const</span> <span class="keywordtype">char</span> *key; <span class="comment">/* Get the cursor's string key. */</span></div>
<div class="line"> ret = cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#af19f6f9d9c7fc248ab38879032620b2f" title="Get the key for the current record.">get_key</a>(cursor, &key);</div>
</div><!-- fragment --> <div class="fragment"><div class="line"> uint64_t recno; <span class="comment">/* Get the cursor's record number key. */</span></div>
<div class="line"> ret = cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#af19f6f9d9c7fc248ab38879032620b2f" title="Get the key for the current record.">get_key</a>(cursor, &recno);</div>
</div><!-- fragment --> <dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cursor</td><td>the cursor handle </td></tr>
<tr><td class="paramname">...</td><td>pointers to hold key fields corresponding to <a class="el" href="struct_w_t___c_u_r_s_o_r.html#a21f35d032987318a8c3b9eb1b0c6a1dc" title="The format of the data packed into key items.">WT_CURSOR::key_format</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>zero on success and a non-zero error code on failure. See <a class="el" href="group__wt.html#error_returns">Error Returns</a> for details. </dd></dl>
Returns only the first column. </p>
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<td class="memname">def wiredtiger.Cursor.get_keys </td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em></td><td>)</td>
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<p>get_keys(self) -> (object, ...) </p>
<p>Get the key for the current record. <div class="fragment"><div class="line"> <span class="keyword">const</span> <span class="keywordtype">char</span> *key; <span class="comment">/* Get the cursor's string key. */</span></div>
<div class="line"> ret = cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#af19f6f9d9c7fc248ab38879032620b2f" title="Get the key for the current record.">get_key</a>(cursor, &key);</div>
</div><!-- fragment --> <div class="fragment"><div class="line"> uint64_t recno; <span class="comment">/* Get the cursor's record number key. */</span></div>
<div class="line"> ret = cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#af19f6f9d9c7fc248ab38879032620b2f" title="Get the key for the current record.">get_key</a>(cursor, &recno);</div>
</div><!-- fragment --> <dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cursor</td><td>the cursor handle </td></tr>
<tr><td class="paramname">...</td><td>pointers to hold key fields corresponding to <a class="el" href="struct_w_t___c_u_r_s_o_r.html#a21f35d032987318a8c3b9eb1b0c6a1dc" title="The format of the data packed into key items.">WT_CURSOR::key_format</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>zero on success and a non-zero error code on failure. See <a class="el" href="group__wt.html#error_returns">Error Returns</a> for details. </dd></dl>
</p>
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<td class="memname">def wiredtiger.Cursor.get_value </td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em></td><td>)</td>
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<p>get_value(self) -> object </p>
<p>Get the value for the current record. <div class="fragment"><div class="line"> <span class="keyword">const</span> <span class="keywordtype">char</span> *value; <span class="comment">/* Get the cursor's string value. */</span></div>
<div class="line"> ret = cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#af85364a5af50b95bbc46c82e72f75c01" title="Get the value for the current record.">get_value</a>(cursor, &value);</div>
</div><!-- fragment --> <div class="fragment"><div class="line"> <a class="code" href="group__wt.html#struct_w_t___i_t_e_m" title="A raw item of data to be managed.">WT_ITEM</a> value; <span class="comment">/* Get the cursor's raw value. */</span></div>
<div class="line"> ret = cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#af85364a5af50b95bbc46c82e72f75c01" title="Get the value for the current record.">get_value</a>(cursor, &value);</div>
</div><!-- fragment --> <dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cursor</td><td>the cursor handle </td></tr>
<tr><td class="paramname">...</td><td>pointers to hold value fields corresponding to <a class="el" href="struct_w_t___c_u_r_s_o_r.html#abe668c6625fa16b5595a1c393f71862d" title="The format of the data packed into value items.">WT_CURSOR::value_format</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>zero on success and a non-zero error code on failure. See <a class="el" href="group__wt.html#error_returns">Error Returns</a> for details. </dd></dl>
Returns only the first column. </p>
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<td class="memname">def wiredtiger.Cursor.get_values </td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em></td><td>)</td>
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<p>get_values(self) -> (object, ...) </p>
<p>Get the value for the current record. <div class="fragment"><div class="line"> <span class="keyword">const</span> <span class="keywordtype">char</span> *value; <span class="comment">/* Get the cursor's string value. */</span></div>
<div class="line"> ret = cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#af85364a5af50b95bbc46c82e72f75c01" title="Get the value for the current record.">get_value</a>(cursor, &value);</div>
</div><!-- fragment --> <div class="fragment"><div class="line"> <a class="code" href="group__wt.html#struct_w_t___i_t_e_m" title="A raw item of data to be managed.">WT_ITEM</a> value; <span class="comment">/* Get the cursor's raw value. */</span></div>
<div class="line"> ret = cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#af85364a5af50b95bbc46c82e72f75c01" title="Get the value for the current record.">get_value</a>(cursor, &value);</div>
</div><!-- fragment --> <dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cursor</td><td>the cursor handle </td></tr>
<tr><td class="paramname">...</td><td>pointers to hold value fields corresponding to <a class="el" href="struct_w_t___c_u_r_s_o_r.html#abe668c6625fa16b5595a1c393f71862d" title="The format of the data packed into value items.">WT_CURSOR::value_format</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>zero on success and a non-zero error code on failure. See <a class="el" href="group__wt.html#error_returns">Error Returns</a> for details. </dd></dl>
</p>
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<td class="memname">def wiredtiger.Cursor.insert </td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname"><em>args</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>insert(self) -> int </p>
<p>Insert a record, and optionally overwrite an existing record. If the cursor was not configured with "append" or "overwrite", both the key and value must be set and the record must not already exist; the record will be inserted.If the cursor was configured with "overwrite", both the key and value must be set; if the record already exists, the key's value will be updated, otherwise, the record will be inserted.If a cursor with record number keys was configured with "append", the value must be set; a new record will be appended and the record number set as the cursor key value.Inserting a new record after the current maximum record in a fixed-length bit field column-store (that is, a store with an 'r' type key and 't' type value) implicitly creates the missing records as records with a value of 0.<div class="fragment"><div class="line"> <span class="comment">/* Insert a new record. */</span></div>
<div class="line"> <span class="keyword">const</span> <span class="keywordtype">char</span> *key = <span class="stringliteral">"some key"</span>, *value = <span class="stringliteral">"some value"</span>;</div>
<div class="line"> cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#ad1088d719df40babc1f57d086691ebdc" title="Set the key for the next operation.">set_key</a>(cursor, key);</div>
<div class="line"> cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#a27f7cbd0cd3e561f6a145704813ad64c" title="Set the value for the next operation.">set_value</a>(cursor, value);</div>
<div class="line"> ret = cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#aac90d9fbcc031570f924db55f8a1cee3" title="Insert a record, and optionally overwrite an existing record.">insert</a>(cursor);</div>
</div><!-- fragment --> <div class="fragment"><div class="line"> <span class="comment">/* Insert a new record or overwrite an existing record. */</span></div>
<div class="line"> ret = session-><a class="code" href="struct_w_t___s_e_s_s_i_o_n.html#afb5b4a69c2c5cafe411b2b04fdc1c75d" title="Open a new cursor on a data source or duplicate an existing cursor.">open_cursor</a>(</div>
<div class="line"> session, <span class="stringliteral">"table:mytable"</span>, NULL, <span class="stringliteral">"overwrite"</span>, &cursor);</div>
<div class="line"> cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#ad1088d719df40babc1f57d086691ebdc" title="Set the key for the next operation.">set_key</a>(cursor, key);</div>
<div class="line"> cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#a27f7cbd0cd3e561f6a145704813ad64c" title="Set the value for the next operation.">set_value</a>(cursor, value);</div>
<div class="line"> ret = cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#aac90d9fbcc031570f924db55f8a1cee3" title="Insert a record, and optionally overwrite an existing record.">insert</a>(cursor);</div>
</div><!-- fragment --> <div class="fragment"><div class="line"> <span class="comment">/* Insert a new record and assign a record number. */</span></div>
<div class="line"> uint64_t recno;</div>
<div class="line"> <span class="keyword">const</span> <span class="keywordtype">char</span> *value = <span class="stringliteral">"some value"</span>;</div>
<div class="line"> ret = session-><a class="code" href="struct_w_t___s_e_s_s_i_o_n.html#afb5b4a69c2c5cafe411b2b04fdc1c75d" title="Open a new cursor on a data source or duplicate an existing cursor.">open_cursor</a>(</div>
<div class="line"> session, <span class="stringliteral">"table:mytable"</span>, NULL, <span class="stringliteral">"append"</span>, &cursor);</div>
<div class="line"> cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#a27f7cbd0cd3e561f6a145704813ad64c" title="Set the value for the next operation.">set_value</a>(cursor, value);</div>
<div class="line"> ret = cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#aac90d9fbcc031570f924db55f8a1cee3" title="Insert a record, and optionally overwrite an existing record.">insert</a>(cursor);</div>
<div class="line"> <span class="keywordflow">if</span> (ret == 0)</div>
<div class="line"> ret = cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#af19f6f9d9c7fc248ab38879032620b2f" title="Get the key for the current record.">get_key</a>(cursor, &recno);</div>
</div><!-- fragment --> <dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cursor</td><td>the cursor handle </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>zero on success and a non-zero error code on failure. See <a class="el" href="group__wt.html#error_returns">Error Returns</a> for details. </dd></dl>
</p>
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<td class="memname">def wiredtiger.Cursor.next </td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname"><em>args</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>next(self) -> int </p>
<p>Return the next record. <div class="fragment"><div class="line"> ret = cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#a0503f16bd8f3d05aa3552f229b3a8e1b" title="Return the next record.">next</a>(cursor);</div>
</div><!-- fragment --> <dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cursor</td><td>the cursor handle </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>zero on success and a non-zero error code on failure. See <a class="el" href="group__wt.html#error_returns">Error Returns</a> for details. </dd></dl>
</p>
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<td class="memname">def wiredtiger.Cursor.prev </td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname"><em>args</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>prev(self) -> int </p>
<p>Return the previous record. <div class="fragment"><div class="line"> ret = cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#a43d6664d2f68902aa63f933864242e76" title="Return the previous record.">prev</a>(cursor);</div>
</div><!-- fragment --> <dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cursor</td><td>the cursor handle </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>zero on success and a non-zero error code on failure. See <a class="el" href="group__wt.html#error_returns">Error Returns</a> for details. </dd></dl>
</p>
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<td class="memname">def wiredtiger.Cursor.remove </td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname"><em>args</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
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<p>remove(self) -> int </p>
<p>Remove a record. The key must be set, and the key's record will be removed.Removing a record in a fixed-length bit field column-store (that is, a store with an 'r' type key and 't' type value) is identical to setting the record's value to 0.<div class="fragment"><div class="line"> <span class="keyword">const</span> <span class="keywordtype">char</span> *key = <span class="stringliteral">"some key"</span>;</div>
<div class="line"> cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#ad1088d719df40babc1f57d086691ebdc" title="Set the key for the next operation.">set_key</a>(cursor, key);</div>
<div class="line"> ret = cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#abbba24fe607fee519c4c9c4669cd4455" title="Remove a record.">remove</a>(cursor);</div>
</div><!-- fragment --> <dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cursor</td><td>the cursor handle </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>zero on success and a non-zero error code on failure. See <a class="el" href="group__wt.html#error_returns">Error Returns</a> for details. In particular, if no record with the specified key exists, <a class="el" href="group__wt.html#ga3c9e1b494d95cf34404ab7a974af6bf8" title="Cursor item not found.">WT_NOTFOUND</a> is returned. </dd></dl>
</p>
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<td class="memname">def wiredtiger.Cursor.reset </td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname"><em>args</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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</div><div class="memdoc">
<p>reset(self) -> int </p>
<p>Reset the position of the cursor. Any resources held by the cursor are released, and the cursor's key and position are no longer valid. A subsequent iteration with <a class="el" href="struct_w_t___c_u_r_s_o_r.html#a0503f16bd8f3d05aa3552f229b3a8e1b" title="Return the next record.">WT_CURSOR::next</a> will move to the first record, or with <a class="el" href="struct_w_t___c_u_r_s_o_r.html#a43d6664d2f68902aa63f933864242e76" title="Return the previous record.">WT_CURSOR::prev</a> will move to the last record.<div class="fragment"><div class="line"> ret = cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#afc1b42c22c9c85e1ba08ce3b34437565" title="Reset the position of the cursor.">reset</a>(cursor);</div>
</div><!-- fragment --> <dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cursor</td><td>the cursor handle </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>zero on success and a non-zero error code on failure. See <a class="el" href="group__wt.html#error_returns">Error Returns</a> for details. </dd></dl>
</p>
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<td class="memname">def wiredtiger.Cursor.search </td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname"><em>args</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>search(self) -> int </p>
<p>Move to the record matching the key. The key must first be set.<div class="fragment"><div class="line"> <span class="keyword">const</span> <span class="keywordtype">char</span> *key = <span class="stringliteral">"some key"</span>;</div>
<div class="line"> cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#ad1088d719df40babc1f57d086691ebdc" title="Set the key for the next operation.">set_key</a>(cursor, key);</div>
<div class="line"> ret = cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#a7e25b2ced2cf3ec68bd5429bf921c79f" title="Move to the record matching the key.">search</a>(cursor);</div>
</div><!-- fragment --> <dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cursor</td><td>the cursor handle </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>zero on success and a non-zero error code on failure. See <a class="el" href="group__wt.html#error_returns">Error Returns</a> for details. </dd></dl>
</p>
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<td class="memname">def wiredtiger.Cursor.set_key </td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname"><em>args</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>set_key(self) -> None </p>
<p>Set the key for the next operation. <div class="fragment"><div class="line"> <span class="comment">/* Set the cursor's string key. */</span></div>
<div class="line"> <span class="keyword">const</span> <span class="keywordtype">char</span> *key = <span class="stringliteral">"another key"</span>;</div>
<div class="line"> cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#ad1088d719df40babc1f57d086691ebdc" title="Set the key for the next operation.">set_key</a>(cursor, key);</div>
</div><!-- fragment --> <div class="fragment"><div class="line"> uint64_t recno = 37; <span class="comment">/* Set the cursor's record number key. */</span></div>
<div class="line"> cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#ad1088d719df40babc1f57d086691ebdc" title="Set the key for the next operation.">set_key</a>(cursor, recno);</div>
</div><!-- fragment --> <dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cursor</td><td>the cursor handle </td></tr>
<tr><td class="paramname">...</td><td>key fields corresponding to <a class="el" href="struct_w_t___c_u_r_s_o_r.html#a21f35d032987318a8c3b9eb1b0c6a1dc" title="The format of the data packed into key items.">WT_CURSOR::key_format</a>.</td></tr>
</table>
</dd>
</dl>
<p>If an error occurs during this operation, a flag will be set in the cursor, and the next operation to access the key will fail. This simplifies error handling in applications. </p>
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<td class="memname">def wiredtiger.Cursor.set_value </td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname"><em>args</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>set_value(self) -> None </p>
<p>Set the value for the next operation. <div class="fragment"><div class="line"> <span class="comment">/* Set the cursor's string value. */</span></div>
<div class="line"> <span class="keyword">const</span> <span class="keywordtype">char</span> *value = <span class="stringliteral">"another value"</span>;</div>
<div class="line"> cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#a27f7cbd0cd3e561f6a145704813ad64c" title="Set the value for the next operation.">set_value</a>(cursor, value);</div>
</div><!-- fragment --> <div class="fragment"><div class="line"> <a class="code" href="group__wt.html#struct_w_t___i_t_e_m" title="A raw item of data to be managed.">WT_ITEM</a> value; <span class="comment">/* Set the cursor's raw value. */</span></div>
<div class="line"> value.<a class="code" href="group__wt.html#a57f5e62aa968275d7e398cfa70e49450" title="The memory reference of the data item.">data</a> = <span class="stringliteral">"another value"</span>;</div>
<div class="line"> value.<a class="code" href="group__wt.html#a9e1d1275a33219850da45f7b54ce86d5" title="The number of bytes in the data item.">size</a> = strlen(<span class="stringliteral">"another value"</span>);</div>
<div class="line"> cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#a27f7cbd0cd3e561f6a145704813ad64c" title="Set the value for the next operation.">set_value</a>(cursor, &value);</div>
</div><!-- fragment --> <dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cursor</td><td>the cursor handle </td></tr>
<tr><td class="paramname">...</td><td>value fields corresponding to <a class="el" href="struct_w_t___c_u_r_s_o_r.html#abe668c6625fa16b5595a1c393f71862d" title="The format of the data packed into value items.">WT_CURSOR::value_format</a>.</td></tr>
</table>
</dd>
</dl>
<p>If an error occurs during this operation, a flag will be set in the cursor, and the next operation to access the value will fail. This simplifies error handling in applications. </p>
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<td class="memname">def wiredtiger.Cursor.update </td>
<td>(</td>
<td class="paramtype"> </td>
<td class="paramname"><em>self</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"> </td>
<td class="paramname"><em>args</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>update(self) -> int </p>
<p>Update a record. Both key and value must be set, the key must exist, and the value of the key's record will be updated.<div class="fragment"><div class="line"> <span class="keyword">const</span> <span class="keywordtype">char</span> *key = <span class="stringliteral">"some key"</span>, *value = <span class="stringliteral">"some value"</span>;</div>
<div class="line"> cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#ad1088d719df40babc1f57d086691ebdc" title="Set the key for the next operation.">set_key</a>(cursor, key);</div>
<div class="line"> cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#a27f7cbd0cd3e561f6a145704813ad64c" title="Set the value for the next operation.">set_value</a>(cursor, value);</div>
<div class="line"> ret = cursor-><a class="code" href="struct_w_t___c_u_r_s_o_r.html#a444cdc0952e7f8d55d23173516c7037f" title="Update a record.">update</a>(cursor);</div>
</div><!-- fragment --> <dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">cursor</td><td>the cursor handle </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>zero on success and a non-zero error code on failure. See <a class="el" href="group__wt.html#error_returns">Error Returns</a> for details. In particular, if no record with the specified key exists, <a class="el" href="group__wt.html#ga3c9e1b494d95cf34404ab7a974af6bf8" title="Cursor item not found.">WT_NOTFOUND</a> is returned. </dd></dl>
</p>
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