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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Predefined Constants</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="dbplus.resources.html">Resource Types</a></div> <div class="next" style="text-align: right; float: right;"><a href="ref.dbplus.html">DB++ Functions</a></div> <div class="up"><a href="book.dbplus.html">DB++</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div> <h1>Predefined Constants</h1> <p class="simpara">The constants below are defined by this extension, andwill only be available when the extension has eitherbeen compiled into PHP or dynamically loaded at runtime.</p> <div id="dbplus.errorcodes" class="section"> <h2 class="title">db++ error codes</h2> <p class="para"> <table border="5"> <caption><b>DB++ Error Codes</b></caption> <colgroup> <thead valign="middle"> <tr valign="middle"> <th colspan="1">PHP Constant</th> <th colspan="1">db++ constant</th> <th colspan="1">meaning</th> </tr> </thead> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>DBPLUS_ERR_NOERR</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </td> <td colspan="1" rowspan="1" align="left">ERR_NOERR</td> <td colspan="1" rowspan="1" align="left">Null error condition</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>DBPLUS_ERR_DUPLICATE</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </td> <td colspan="1" rowspan="1" align="left">ERR_DUPLICATE</td> <td colspan="1" rowspan="1" align="left">Tried to insert a duplicate tuple</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>DBPLUS_ERR_EOSCAN</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </td> <td colspan="1" rowspan="1" align="left">ERR_EOSCAN</td> <td colspan="1" rowspan="1" align="left">End of scan from rget()</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>DBPLUS_ERR_EMPTY</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </td> <td colspan="1" rowspan="1" align="left">ERR_EMPTY</td> <td colspan="1" rowspan="1" align="left">Relation is empty (server)</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>DBPLUS_ERR_CLOSE</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </td> <td colspan="1" rowspan="1" align="left">ERR_CLOSE</td> <td colspan="1" rowspan="1" align="left">The server can't close</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>DBPLUS_ERR_WLOCKED</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </td> <td colspan="1" rowspan="1" align="left">ERR_WLOCKED</td> <td colspan="1" rowspan="1" align="left">The record is write locked</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>DBPLUS_ERR_LOCKED</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </td> <td colspan="1" rowspan="1" align="left">ERR_LOCKED</td> <td colspan="1" rowspan="1" align="left">Relation was already locked</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>DBPLUS_ERR_NOLOCK</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </td> <td colspan="1" rowspan="1" align="left">ERR_NOLOCK</td> <td colspan="1" rowspan="1" align="left">Relation cannot be locked</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>DBPLUS_ERR_READ</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </td> <td colspan="1" rowspan="1" align="left">ERR_READ</td> <td colspan="1" rowspan="1" align="left">Read error on relation</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>DBPLUS_ERR_WRITE</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </td> <td colspan="1" rowspan="1" align="left">ERR_WRITE</td> <td colspan="1" rowspan="1" align="left">Write error on relation</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>DBPLUS_ERR_CREATE</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </td> <td colspan="1" rowspan="1" align="left">ERR_CREATE</td> <td colspan="1" rowspan="1" align="left">Create() system call failed</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>DBPLUS_ERR_LSEEK</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </td> <td colspan="1" rowspan="1" align="left">ERR_LSEEK</td> <td colspan="1" rowspan="1" align="left">Lseek() system call failed</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>DBPLUS_ERR_LENGTH</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </td> <td colspan="1" rowspan="1" align="left">ERR_LENGTH</td> <td colspan="1" rowspan="1" align="left">Tuple exceeds maximum length</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>DBPLUS_ERR_OPEN</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </td> <td colspan="1" rowspan="1" align="left">ERR_OPEN</td> <td colspan="1" rowspan="1" align="left">Open() system call failed</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>DBPLUS_ERR_WOPEN</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </td> <td colspan="1" rowspan="1" align="left">ERR_WOPEN</td> <td colspan="1" rowspan="1" align="left">Relation already opened for writing</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>DBPLUS_ERR_MAGIC</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </td> <td colspan="1" rowspan="1" align="left">ERR_MAGIC</td> <td colspan="1" rowspan="1" align="left">File is not a relation</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>DBPLUS_ERR_VERSION</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </td> <td colspan="1" rowspan="1" align="left">ERR_VERSION</td> <td colspan="1" rowspan="1" align="left">File is a very old relation</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>DBPLUS_ERR_PGSIZE</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </td> <td colspan="1" rowspan="1" align="left">ERR_PGSIZE</td> <td colspan="1" rowspan="1" align="left">Relation uses a different page size</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left"> <b><tt>DBPLUS_ERR_CRC</tt></b> (<a href="language.types.integer.html" class="type integer">integer</a>) </td> <td colspan="1" rowspan="1" align="left">ERR_CRC</td> <td colspan="1" rowspan="1" align="left">Invalid crc in the superpage</td> </tr>⌨️ 快捷键说明
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