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<a href="#define-members">Macros</a> </div>
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<div class="title">Write Flags<div class="ingroups"><a class="el" href="group__mdb.html">MDB API</a></div></div> </div>
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Macros</h2></td></tr>
<tr class="memitem:ga23eb9813f9a4cdf7a7da5e01815b0cfb"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__mdb__put.html#ga23eb9813f9a4cdf7a7da5e01815b0cfb">MDB_NOOVERWRITE</a>   0x10</td></tr>
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<tr class="memitem:ga8d723ae10cf0afdc771ce5eafa8f6c9e"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__mdb__put.html#ga8d723ae10cf0afdc771ce5eafa8f6c9e">MDB_NODUPDATA</a>   0x20</td></tr>
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<tr class="memitem:ga92f7832a496213db0f03105e6fa9afae"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__mdb__put.html#ga92f7832a496213db0f03105e6fa9afae">MDB_CURRENT</a>   0x40</td></tr>
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<tr class="memitem:gac0545c6aea719991e3eae6ccc686efcc"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__mdb__put.html#gac0545c6aea719991e3eae6ccc686efcc">MDB_RESERVE</a>   0x10000</td></tr>
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<tr class="memitem:ga06af7a6e87588fd723e2dd1d7e580e6a"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__mdb__put.html#ga06af7a6e87588fd723e2dd1d7e580e6a">MDB_APPEND</a>   0x20000</td></tr>
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<tr class="memitem:ga0583fe408057ff1c03b8dd071c0d68d2"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__mdb__put.html#ga0583fe408057ff1c03b8dd071c0d68d2">MDB_APPENDDUP</a>   0x40000</td></tr>
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<tr class="memitem:ga67a8d26a8c8bc56f02f2e03fd07a74b0"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="group__mdb__put.html#ga67a8d26a8c8bc56f02f2e03fd07a74b0">MDB_MULTIPLE</a>   0x80000</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<h2 class="groupheader">Macro Definition Documentation</h2>
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<td class="memname">#define MDB_NOOVERWRITE   0x10</td>
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<p>For put: Don't write if the key already exists. </p>
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<td class="memname">#define MDB_NODUPDATA   0x20</td>
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<p>Only for <a class="el" href="group__mdb__dbi__open.html#gae0626566c2562e9007f5c8c9535bab1a">MDB_DUPSORT</a><br/>
For put: don't write if the key and data pair already exist.<br/>
For mdb_cursor_del: remove all duplicate data items. </p>
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<td class="memname">#define MDB_CURRENT   0x40</td>
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<p>For mdb_cursor_put: overwrite the current key/data pair </p>
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<td class="memname">#define MDB_RESERVE   0x10000</td>
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<p>For put: Just reserve space for data, don't copy it. Return a pointer to the reserved space. </p>
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<td class="memname">#define MDB_APPEND   0x20000</td>
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<p>Data is being appended, don't split full pages. </p>
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<td class="memname">#define MDB_APPENDDUP   0x40000</td>
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<p>Duplicate data is being appended, don't split full pages. </p>
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<td class="memname">#define MDB_MULTIPLE   0x80000</td>
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<p>Store multiple data items in one call. Only for <a class="el" href="group__mdb__dbi__open.html#ga5acc26f80668d1ebc31265d178c69338">MDB_DUPFIXED</a>. </p>
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