717 lines
41 KiB
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717 lines
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<div class="section">
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<h1 id="module-interface"><span id="module"></span><span id="module-cx_Oracle"></span>Module Interface<a class="headerlink" href="#module-interface" title="Permalink to this headline">¶</a></h1>
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<dl class="function">
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<dt id="cx_Oracle.Binary">
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<!--#cx_Oracle.Binary#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">Binary</tt><big>(</big><em>string</em><big>)</big><a class="headerlink" href="#cx_Oracle.Binary" title="Permalink to this definition">¶</a></dt>
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<dd>Construct an object holding a binary (long) string value.</dd></dl>
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<dl class="function">
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<dt id="cx_Oracle.clientversion">
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<!--#cx_Oracle.clientversion#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">clientversion</tt><big>(</big><big>)</big><a class="headerlink" href="#cx_Oracle.clientversion" title="Permalink to this definition">¶</a></dt>
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<dd><p>Return the version of the client library being used as a 5-tuple. The five
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values are the major version, minor version, update number, patch number and
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port update number.</p>
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<div class="admonition note">
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<p class="first admonition-title">Note</p>
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<p class="last">This method is an extension to the DB API definition and is only
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available in Oracle 10g Release 2 and higher.</p>
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</div>
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</dd></dl>
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<dl class="function">
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<dt id="cx_Oracle.Connection">
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<!--#cx_Oracle.Connection#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">Connection</tt><big>(</big><span class="optional">[</span><em>user</em>, <em>password</em>, <em>dsn</em>, <em>mode</em>, <em>handle</em>, <em>pool</em>, <em>threaded</em>, <em>twophase</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#cx_Oracle.Connection" title="Permalink to this definition">¶</a></dt>
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<dt id="cx_Oracle.connect">
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<tt class="descclassname">cx_Oracle.</tt><tt class="descname">connect</tt><big>(</big><span class="optional">[</span><em>user</em>, <em>password</em>, <em>dsn</em>, <em>mode</em>, <em>handle</em>, <em>pool</em>, <em>threaded</em>, <em>twophase</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#cx_Oracle.connect" title="Permalink to this definition">¶</a></dt>
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<dd>Constructor for creating a connection to the database. Return a Connection
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object (<a class="reference" href="connection.html#connobj"><em>Connection Object</em></a>). All arguments are optional and can be specified as
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keyword parameters. The dsn (data source name) is the TNS entry (from the
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Oracle names server or tnsnames.ora file) or is a string like the one
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returned from makedsn(). If only one parameter is passed, a connect string
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is assumed which is to be of the format <tt class="docutils literal"><span class="pre">user/password@dsn</span></tt>, the same
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format accepted by Oracle applications such as SQL*Plus. If the mode is
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specified, it must be one of <a title="cx_Oracle.SYSDBA" class="reference" href="#cx_Oracle.SYSDBA"><tt class="xref docutils literal"><span class="pre">SYSDBA</span></tt></a> or <a title="cx_Oracle.SYSOPER" class="reference" href="#cx_Oracle.SYSOPER"><tt class="xref docutils literal"><span class="pre">SYSOPER</span></tt></a> which are
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defined at the module level; otherwise it defaults to the normal mode of
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connecting. If the handle is specified, it must be of type OCISvcCtx* and
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is only of use when embedding Python in an application (like PowerBuilder)
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which has already made the connection. The pool is only valid in Oracle 9i
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and is a session pool object (<a class="reference" href="session_pool.html#sesspool"><em>SessionPool Object</em></a>) which is the equivalent of
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calling pool.acquire(). The threaded attribute is expected to be a boolean
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expression which indicates whether or not Oracle should use the mode
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OCI_THREADED to wrap accesses to connections with a mutex. Doing so in
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single threaded applications imposes a performance penalty of about 10-15%
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which is why the default is False. The twophase attribute is expected to be
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a boolean expression which indicates whether or not the attributes should be
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set on the connection object to allow for two phase commit. The default for
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this value is also False because of bugs in Oracle prior to Oracle 10g.</dd></dl>
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<dl class="function">
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<dt id="cx_Oracle.Cursor">
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<!--#cx_Oracle.Cursor#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">Cursor</tt><big>(</big><em>connection</em><big>)</big><a class="headerlink" href="#cx_Oracle.Cursor" title="Permalink to this definition">¶</a></dt>
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<dd><p>Constructor for creating a cursor. Return a new Cursor object
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(<a class="reference" href="cursor.html#cursorobj"><em>Cursor Object</em></a>) using the connection.</p>
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<div class="admonition note">
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<p class="first admonition-title">Note</p>
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<p class="last">This method is an extension to the DB API definition.</p>
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</div>
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</dd></dl>
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<dl class="function">
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<dt id="cx_Oracle.Date">
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<!--#cx_Oracle.Date#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">Date</tt><big>(</big><em>year</em>, <em>month</em>, <em>day</em><big>)</big><a class="headerlink" href="#cx_Oracle.Date" title="Permalink to this definition">¶</a></dt>
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<dd>Construct an object holding a date value.</dd></dl>
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<dl class="function">
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<dt id="cx_Oracle.DateFromTicks">
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<!--#cx_Oracle.DateFromTicks#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">DateFromTicks</tt><big>(</big><em>ticks</em><big>)</big><a class="headerlink" href="#cx_Oracle.DateFromTicks" title="Permalink to this definition">¶</a></dt>
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<dd>Construct an object holding a date value from the given ticks value (number
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of seconds since the epoch; see the documentation of the standard Python
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time module for details).</dd></dl>
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<dl class="function">
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<dt id="cx_Oracle.makedsn">
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<!--#cx_Oracle.makedsn#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">makedsn</tt><big>(</big><em>host</em>, <em>port</em>, <em>sid</em><big>)</big><a class="headerlink" href="#cx_Oracle.makedsn" title="Permalink to this definition">¶</a></dt>
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<dd><p>Return a string suitable for use as the dsn for the connect() method. This
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string is identical to the strings that are defined by the Oracle names
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server or defined in the tnsnames.ora file.</p>
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<div class="admonition note">
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<p class="first admonition-title">Note</p>
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<p class="last">This method is an extension to the DB API definition.</p>
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</div>
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</dd></dl>
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<dl class="function">
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<dt id="cx_Oracle.SessionPool">
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<!--#cx_Oracle.SessionPool#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">SessionPool</tt><big>(</big><em>user</em>, <em>password</em>, <em>database</em>, <em>min</em>, <em>max</em>, <em>increment</em><span class="optional">[</span>, <em>connectiontype</em>, <em>threaded</em>, <em>getmode=cx_Oracle.SPOOL_ATTRVAL_NOWAIT</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#cx_Oracle.SessionPool" title="Permalink to this definition">¶</a></dt>
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<dd><p>Create a session pool (see Oracle 9i documentation for more information) and
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return a session pool object (<a class="reference" href="session_pool.html#sesspool"><em>SessionPool Object</em></a>). This allows for very fast
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connections to the database and is of primary use in a server where the same
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connection is being made multiple times in rapid succession (a web server,
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for example). If the connection type is specified, all calls to acquire()
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will create connection objects of that type, rather than the base type
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defined at the module level. The threaded attribute is expected to be a
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boolean expression which indicates whether or not Oracle should use the mode
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OCI_THREADED to wrap accesses to connections with a mutex. Doing so in
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single threaded applications imposes a performance penalty of about 10-15%
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which is why the default is False.</p>
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<div class="admonition note">
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<p class="first admonition-title">Note</p>
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<p class="last">This method is an extension to the DB API definition and is only
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available in Oracle 9i.</p>
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</div>
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</dd></dl>
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<dl class="function">
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<dt id="cx_Oracle.Time">
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<!--#cx_Oracle.Time#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">Time</tt><big>(</big><em>hour</em>, <em>minute</em>, <em>second</em><big>)</big><a class="headerlink" href="#cx_Oracle.Time" title="Permalink to this definition">¶</a></dt>
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<dd>Construct an object holding a time value.</dd></dl>
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<dl class="function">
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<dt id="cx_Oracle.TimeFromTicks">
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<!--#cx_Oracle.TimeFromTicks#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">TimeFromTicks</tt><big>(</big><em>ticks</em><big>)</big><a class="headerlink" href="#cx_Oracle.TimeFromTicks" title="Permalink to this definition">¶</a></dt>
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<dd>Construct an object holding a time value from the given ticks value (number
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of seconds since the epoch; see the documentation of the standard Python
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time module for details).</dd></dl>
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<dl class="function">
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<dt id="cx_Oracle.Timestamp">
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<!--#cx_Oracle.Timestamp#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">Timestamp</tt><big>(</big><em>year</em>, <em>month</em>, <em>day</em>, <em>hour</em>, <em>minute</em>, <em>second</em><big>)</big><a class="headerlink" href="#cx_Oracle.Timestamp" title="Permalink to this definition">¶</a></dt>
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<dd>Construct an object holding a time stamp value.</dd></dl>
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<dl class="function">
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<dt id="cx_Oracle.TimestampFromTicks">
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<!--#cx_Oracle.TimestampFromTicks#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">TimestampFromTicks</tt><big>(</big><em>ticks</em><big>)</big><a class="headerlink" href="#cx_Oracle.TimestampFromTicks" title="Permalink to this definition">¶</a></dt>
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<dd>Construct an object holding a time stamp value from the given ticks value
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(number of seconds since the epoch; see the documentation of the standard
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Python time module for details).</dd></dl>
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<div class="section">
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<h2 id="id1"><span id="constants"></span>Constants<a class="headerlink" href="#id1" title="Permalink to this headline">¶</a></h2>
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<dl class="data">
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<dt id="cx_Oracle.apilevel">
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<!--#cx_Oracle.apilevel#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">apilevel</tt><a class="headerlink" href="#cx_Oracle.apilevel" title="Permalink to this definition">¶</a></dt>
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<dd>String constant stating the supported DB API level. Currently ‘2.0’.</dd></dl>
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<dl class="data">
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<dt id="cx_Oracle.buildtime">
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<!--#cx_Oracle.buildtime#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">buildtime</tt><a class="headerlink" href="#cx_Oracle.buildtime" title="Permalink to this definition">¶</a></dt>
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<dd><p>String constant stating the time when the binary was built.</p>
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<div class="admonition note">
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<p class="first admonition-title">Note</p>
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<p class="last">This attribute is an extension to the DB API definition.</p>
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</div>
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</dd></dl>
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<dl class="data">
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<dt id="cx_Oracle.BINARY">
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<!--#cx_Oracle.BINARY#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">BINARY</tt><a class="headerlink" href="#cx_Oracle.BINARY" title="Permalink to this definition">¶</a></dt>
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<dd>This type object is used to describe columns in a database that are binary
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(in Oracle this is RAW columns).</dd></dl>
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<dl class="data">
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<dt id="cx_Oracle.BFILE">
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<!--#cx_Oracle.BFILE#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">BFILE</tt><a class="headerlink" href="#cx_Oracle.BFILE" title="Permalink to this definition">¶</a></dt>
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<dd><p>This type object is used to describe columns in a database that are BFILEs.</p>
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<div class="admonition note">
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<p class="first admonition-title">Note</p>
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<p class="last">This attribute is an extension to the DB API definition.</p>
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</div>
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</dd></dl>
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<dl class="data">
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<dt id="cx_Oracle.BLOB">
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<!--#cx_Oracle.BLOB#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">BLOB</tt><a class="headerlink" href="#cx_Oracle.BLOB" title="Permalink to this definition">¶</a></dt>
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<dd><p>This type object is used to describe columns in a database that are BLOBs.</p>
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<div class="admonition note">
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<p class="first admonition-title">Note</p>
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<p class="last">This attribute is an extension to the DB API definition.</p>
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</div>
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</dd></dl>
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<dl class="data">
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<dt id="cx_Oracle.CLOB">
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<!--#cx_Oracle.CLOB#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">CLOB</tt><a class="headerlink" href="#cx_Oracle.CLOB" title="Permalink to this definition">¶</a></dt>
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<dd><p>This type object is used to describe columns in a database that are CLOBs.</p>
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<div class="admonition note">
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<p class="first admonition-title">Note</p>
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<p class="last">This attribute is an extension to the DB API definition.</p>
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</div>
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</dd></dl>
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<dl class="data">
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<dt id="cx_Oracle.CURSOR">
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<!--#cx_Oracle.CURSOR#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">CURSOR</tt><a class="headerlink" href="#cx_Oracle.CURSOR" title="Permalink to this definition">¶</a></dt>
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<dd><p>This type object is used to describe columns in a database that are cursors
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(in PL/SQL these are known as ref cursors).</p>
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<div class="admonition note">
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<p class="first admonition-title">Note</p>
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<p class="last">This attribute is an extension to the DB API definition.</p>
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</div>
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</dd></dl>
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<dl class="data">
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<dt id="cx_Oracle.DATETIME">
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<!--#cx_Oracle.DATETIME#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">DATETIME</tt><a class="headerlink" href="#cx_Oracle.DATETIME" title="Permalink to this definition">¶</a></dt>
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<dd>This type object is used to describe columns in a database that are dates.</dd></dl>
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<dl class="data">
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<dt id="cx_Oracle.DBSHUTDOWN_ABORT">
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<!--#cx_Oracle.DBSHUTDOWN_ABORT#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">DBSHUTDOWN_ABORT</tt><a class="headerlink" href="#cx_Oracle.DBSHUTDOWN_ABORT" title="Permalink to this definition">¶</a></dt>
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<dd><p>This constant is used in database shutdown to indicate that the program
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should not wait for current calls to complete or for users to disconnect
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from the database. Use only in unusual circumstances since database recovery
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may be necessary upon next startup.</p>
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<div class="admonition note">
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<p class="first admonition-title">Note</p>
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<p class="last">This attribute is an extension to the DB API definition.</p>
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</div>
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</dd></dl>
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<dl class="data">
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<dt id="cx_Oracle.DBSHUTDOWN_FINAL">
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<!--#cx_Oracle.DBSHUTDOWN_FINAL#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">DBSHUTDOWN_FINAL</tt><a class="headerlink" href="#cx_Oracle.DBSHUTDOWN_FINAL" title="Permalink to this definition">¶</a></dt>
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<dd><p>This constant is used in database shutdown to indicate that the instance can
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be truly halted. This should only be done after the database has been shut
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down in one of the other modes (except abort) and the database has been
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closed and dismounted using the appropriate SQL commands. See the method
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<a title="Connection.shutdown" class="reference" href="connection.html#Connection.shutdown"><tt class="xref docutils literal"><span class="pre">shutdown()</span></tt></a> in the section on connections
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(<a class="reference" href="connection.html#connobj"><em>Connection Object</em></a>).</p>
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<div class="admonition note">
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<p class="first admonition-title">Note</p>
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<p class="last">This attribute is an extension to the DB API definition.</p>
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</div>
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</dd></dl>
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<dl class="data">
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<dt id="cx_Oracle.DBSHUTDOWN_IMMEDIATE">
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<!--#cx_Oracle.DBSHUTDOWN_IMMEDIATE#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">DBSHUTDOWN_IMMEDIATE</tt><a class="headerlink" href="#cx_Oracle.DBSHUTDOWN_IMMEDIATE" title="Permalink to this definition">¶</a></dt>
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<dd><p>This constant is used in database shutdown to indicate that all uncommitted
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transactions should be rolled back and any connected users should be
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disconnected.</p>
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<div class="admonition note">
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<p class="first admonition-title">Note</p>
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<p class="last">This attribute is an extension to the DB API definition.</p>
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</div>
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</dd></dl>
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<dl class="data">
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<dt id="cx_Oracle.DBSHUTDOWN_TRANSACTIONAL">
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<!--#cx_Oracle.DBSHUTDOWN_TRANSACTIONAL#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">DBSHUTDOWN_TRANSACTIONAL</tt><a class="headerlink" href="#cx_Oracle.DBSHUTDOWN_TRANSACTIONAL" title="Permalink to this definition">¶</a></dt>
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<dd><p>This constant is used in database shutdown to indicate that further
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connections should be prohibited and no new transactions should be allowed.
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It then waits for active transactions to complete.</p>
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<div class="admonition note">
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<p class="first admonition-title">Note</p>
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<p class="last">This attribute is an extension to the DB API definition.</p>
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</div>
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</dd></dl>
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<dl class="data">
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<dt id="cx_Oracle.DBSHUTDOWN_TRANSACTIONAL_LOCAL">
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<!--#cx_Oracle.DBSHUTDOWN_TRANSACTIONAL_LOCAL#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">DBSHUTDOWN_TRANSACTIONAL_LOCAL</tt><a class="headerlink" href="#cx_Oracle.DBSHUTDOWN_TRANSACTIONAL_LOCAL" title="Permalink to this definition">¶</a></dt>
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<dd><p>This constant is used in database shutdown to indicate that further
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connections should be prohibited and no new transactions should be allowed.
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It then waits for only local active transactions to complete.</p>
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<div class="admonition note">
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<p class="first admonition-title">Note</p>
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<p class="last">This attribute is an extension to the DB API definition.</p>
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</div>
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</dd></dl>
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|
|
<dl class="data">
|
|
<dt id="cx_Oracle.FIXED_CHAR">
|
|
<!--#cx_Oracle.FIXED_CHAR#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">FIXED_CHAR</tt><a class="headerlink" href="#cx_Oracle.FIXED_CHAR" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>This type object is used to describe columns in a database that are fixed
|
|
length strings (in Oracle this is CHAR columns); these behave differently in
|
|
Oracle than varchar2 so they are differentiated here even though the DB API
|
|
does not differentiate them.</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.FNCODE_BINDBYNAME">
|
|
<!--#cx_Oracle.FNCODE_BINDBYNAME#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">FNCODE_BINDBYNAME</tt><a class="headerlink" href="#cx_Oracle.FNCODE_BINDBYNAME" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>This constant is used to register callbacks on the OCIBindByName() function
|
|
of the OCI.</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.FNCODE_BINDBYPOS">
|
|
<!--#cx_Oracle.FNCODE_BINDBYPOS#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">FNCODE_BINDBYPOS</tt><a class="headerlink" href="#cx_Oracle.FNCODE_BINDBYPOS" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>This constant is used to register callbacks on the OCIBindByPos() function
|
|
of the OCI.</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.FNCODE_DEFINEBYPOS">
|
|
<!--#cx_Oracle.FNCODE_DEFINEBYPOS#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">FNCODE_DEFINEBYPOS</tt><a class="headerlink" href="#cx_Oracle.FNCODE_DEFINEBYPOS" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>This constant is used to register callbacks on the OCIDefineByPos() function
|
|
of the OCI.</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.FNCODE_STMTEXECUTE">
|
|
<!--#cx_Oracle.FNCODE_STMTEXECUTE#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">FNCODE_STMTEXECUTE</tt><a class="headerlink" href="#cx_Oracle.FNCODE_STMTEXECUTE" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>This constant is used to register callbacks on the OCIStmtExecute() function
|
|
of the OCI.</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.FNCODE_STMTFETCH">
|
|
<!--#cx_Oracle.FNCODE_STMTFETCH#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">FNCODE_STMTFETCH</tt><a class="headerlink" href="#cx_Oracle.FNCODE_STMTFETCH" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>This constant is used to register callbacks on the OCIStmtFetch() function
|
|
of the OCI.</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.FNCODE_STMTPREPARE">
|
|
<!--#cx_Oracle.FNCODE_STMTPREPARE#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">FNCODE_STMTPREPARE</tt><a class="headerlink" href="#cx_Oracle.FNCODE_STMTPREPARE" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>This constant is used to register callbacks on the OCIStmtPrepare() function
|
|
of the OCI.</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.LOB">
|
|
<!--#cx_Oracle.LOB#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">LOB</tt><a class="headerlink" href="#cx_Oracle.LOB" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>This type object is the Python type of <a title="cx_Oracle.BLOB" class="reference" href="#cx_Oracle.BLOB"><tt class="xref docutils literal"><span class="pre">BLOB</span></tt></a> and <a title="cx_Oracle.CLOB" class="reference" href="#cx_Oracle.CLOB"><tt class="xref docutils literal"><span class="pre">CLOB</span></tt></a> data
|
|
that is returned from cursors.</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.LONG_BINARY">
|
|
<!--#cx_Oracle.LONG_BINARY#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">LONG_BINARY</tt><a class="headerlink" href="#cx_Oracle.LONG_BINARY" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>This type object is used to describe columns in a database that are long
|
|
binary (in Oracle these are LONG RAW columns).</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.LONG_STRING">
|
|
<!--#cx_Oracle.LONG_STRING#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">LONG_STRING</tt><a class="headerlink" href="#cx_Oracle.LONG_STRING" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>This type object is used to describe columns in a database that are long
|
|
strings (in Oracle these are LONG columns).</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.NATIVE_FLOAT">
|
|
<!--#cx_Oracle.NATIVE_FLOAT#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">NATIVE_FLOAT</tt><a class="headerlink" href="#cx_Oracle.NATIVE_FLOAT" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>This type object is used to describe columns in a database that are of type
|
|
binary_double or binary_float and is only available in Oracle 10g.</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.NCLOB">
|
|
<!--#cx_Oracle.NCLOB#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">NCLOB</tt><a class="headerlink" href="#cx_Oracle.NCLOB" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>This type object is used to describe columns in a database that are NCLOBs.</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.NUMBER">
|
|
<!--#cx_Oracle.NUMBER#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">NUMBER</tt><a class="headerlink" href="#cx_Oracle.NUMBER" title="Permalink to this definition">¶</a></dt>
|
|
<dd>This type object is used to describe columns in a database that are numbers.</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.OBJECT">
|
|
<!--#cx_Oracle.OBJECT#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">OBJECT</tt><a class="headerlink" href="#cx_Oracle.OBJECT" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>This type object is used to describe columns in a database that are objects.</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.paramstyle">
|
|
<!--#cx_Oracle.paramstyle#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">paramstyle</tt><a class="headerlink" href="#cx_Oracle.paramstyle" title="Permalink to this definition">¶</a></dt>
|
|
<dd>String constant stating the type of parameter marker formatting expected by
|
|
the interface. Currently ‘named’ as in ‘where name = :name’.</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.ROWID">
|
|
<!--#cx_Oracle.ROWID#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">ROWID</tt><a class="headerlink" href="#cx_Oracle.ROWID" title="Permalink to this definition">¶</a></dt>
|
|
<dd>This type object is used to describe the pseudo column “rowid”.</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.PRELIM_AUTH">
|
|
<!--#cx_Oracle.PRELIM_AUTH#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">PRELIM_AUTH</tt><a class="headerlink" href="#cx_Oracle.PRELIM_AUTH" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>This constant is used to define the preliminary authentication mode required
|
|
for performing database startup and shutdown.</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.SPOOL_ATTRVAL_FORCEGET">
|
|
<!--#cx_Oracle.SPOOL_ATTRVAL_FORCEGET#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">SPOOL_ATTRVAL_FORCEGET</tt><a class="headerlink" href="#cx_Oracle.SPOOL_ATTRVAL_FORCEGET" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>This constant is used to define the “get” mode on session pools and
|
|
indicates that a new connection will be returned if there are no free
|
|
sessions available in the pool.</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.SPOOL_ATTRVAL_NOWAIT">
|
|
<!--#cx_Oracle.SPOOL_ATTRVAL_NOWAIT#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">SPOOL_ATTRVAL_NOWAIT</tt><a class="headerlink" href="#cx_Oracle.SPOOL_ATTRVAL_NOWAIT" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>This constant is used to define the “get” mode on session pools and
|
|
indicates that an exception is raised if there are no free sessions
|
|
available in the pool.</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.SPOOL_ATTRVAL_WAIT">
|
|
<!--#cx_Oracle.SPOOL_ATTRVAL_WAIT#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">SPOOL_ATTRVAL_WAIT</tt><a class="headerlink" href="#cx_Oracle.SPOOL_ATTRVAL_WAIT" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>This constant is used to define the “get” mode on session pools and
|
|
indicates that the acquisition of a connection waits until a session is
|
|
freed if there are no free sessions available in the pool.</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.STRING">
|
|
<!--#cx_Oracle.STRING#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">STRING</tt><a class="headerlink" href="#cx_Oracle.STRING" title="Permalink to this definition">¶</a></dt>
|
|
<dd>This type object is used to describe columns in a database that are strings
|
|
(in Oracle this is VARCHAR2 columns).</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.SYSDBA">
|
|
<!--#cx_Oracle.SYSDBA#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">SYSDBA</tt><a class="headerlink" href="#cx_Oracle.SYSDBA" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>Value to be passed to the connect() method which indicates that SYSDBA
|
|
access is to be acquired. See the Oracle documentation for more details.</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.SYSOPER">
|
|
<!--#cx_Oracle.SYSOPER#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">SYSOPER</tt><a class="headerlink" href="#cx_Oracle.SYSOPER" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>Value to be passed to the connect() method which indicates that SYSOPER
|
|
access is to be acquired. See the Oracle documentation for more details.</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.threadsafety">
|
|
<!--#cx_Oracle.threadsafety#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">threadsafety</tt><a class="headerlink" href="#cx_Oracle.threadsafety" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>Integer constant stating the level of thread safety that the interface
|
|
supports. Currently 2, which means that threads may share the module and
|
|
connections, but not cursors. Sharing means that a thread may use a
|
|
resource without wrapping it using a mutex semaphore to implement resource
|
|
locking.</p>
|
|
<p>Note that in order to make use of multiple threads in a program which
|
|
intends to connect and disconnect in different threads, the threaded
|
|
argument to the Connection constructor must be a true value. See the
|
|
comments on the Connection constructor for more information (<a class="reference" href="#module"><em>Module Interface</em></a>).</p>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.TIMESTAMP">
|
|
<!--#cx_Oracle.TIMESTAMP#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">TIMESTAMP</tt><a class="headerlink" href="#cx_Oracle.TIMESTAMP" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>This type object is used to describe columns in a database that are
|
|
timestamps.</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition and is only
|
|
available in Oracle 9i.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.UCBTYPE_ENTRY">
|
|
<!--#cx_Oracle.UCBTYPE_ENTRY#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">UCBTYPE_ENTRY</tt><a class="headerlink" href="#cx_Oracle.UCBTYPE_ENTRY" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>This constant is used to register callbacks on entry to the function of the
|
|
OCI. In other words, the callback will be called prior to the execution of
|
|
the OCI function.</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.UCBTYPE_EXIT">
|
|
<!--#cx_Oracle.UCBTYPE_EXIT#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">UCBTYPE_EXIT</tt><a class="headerlink" href="#cx_Oracle.UCBTYPE_EXIT" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>This constant is used to register callbacks on exit from the function of the
|
|
OCI. In other words, the callback will be called after the execution of the
|
|
OCI function.</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.UCBTYPE_REPLACE">
|
|
<!--#cx_Oracle.UCBTYPE_REPLACE#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">UCBTYPE_REPLACE</tt><a class="headerlink" href="#cx_Oracle.UCBTYPE_REPLACE" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>This constant is used to register callbacks that completely replace the call
|
|
to the OCI function.</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
<dl class="data">
|
|
<dt id="cx_Oracle.version">
|
|
<!--#cx_Oracle.version#--><tt class="descclassname">cx_Oracle.</tt><tt class="descname">version</tt><a class="headerlink" href="#cx_Oracle.version" title="Permalink to this definition">¶</a></dt>
|
|
<dd><p>String constant stating the version of the module. Currently ‘4.4‘.</p>
|
|
<div class="admonition note">
|
|
<p class="first admonition-title">Note</p>
|
|
<p class="last">This attribute is an extension to the DB API definition.</p>
|
|
</div>
|
|
</dd></dl>
|
|
|
|
</div>
|
|
<div class="section">
|
|
<h2 id="id2"><span id="exceptions"></span>Exceptions<a class="headerlink" href="#id2" title="Permalink to this headline">¶</a></h2>
|
|
<dl class="exception">
|
|
<dt id="cx_Oracle.Warning">
|
|
<!--#cx_Oracle.Warning#-->exception <tt class="descclassname">cx_Oracle.</tt><tt class="descname">Warning</tt><a class="headerlink" href="#cx_Oracle.Warning" title="Permalink to this definition">¶</a></dt>
|
|
<dd>Exception raised for important warnings and defined by the DB API but not
|
|
actually used by cx_Oracle.</dd></dl>
|
|
|
|
<dl class="exception">
|
|
<dt id="cx_Oracle.Error">
|
|
<!--#cx_Oracle.Error#-->exception <tt class="descclassname">cx_Oracle.</tt><tt class="descname">Error</tt><a class="headerlink" href="#cx_Oracle.Error" title="Permalink to this definition">¶</a></dt>
|
|
<dd>Exception that is the base class of all other exceptions defined by
|
|
cx_Oracle and is a subclass of the Python StandardError exception (defined
|
|
in the module exceptions).</dd></dl>
|
|
|
|
<dl class="exception">
|
|
<dt id="cx_Oracle.InterfaceError">
|
|
<!--#cx_Oracle.InterfaceError#-->exception <tt class="descclassname">cx_Oracle.</tt><tt class="descname">InterfaceError</tt><a class="headerlink" href="#cx_Oracle.InterfaceError" title="Permalink to this definition">¶</a></dt>
|
|
<dd>Exception raised for errors that are related to the database interface
|
|
rather than the database itself. It is a subclass of Error.</dd></dl>
|
|
|
|
<dl class="exception">
|
|
<dt id="cx_Oracle.DatabaseError">
|
|
<!--#cx_Oracle.DatabaseError#-->exception <tt class="descclassname">cx_Oracle.</tt><tt class="descname">DatabaseError</tt><a class="headerlink" href="#cx_Oracle.DatabaseError" title="Permalink to this definition">¶</a></dt>
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<dd>Exception raised for errors that are related to the database. It is a
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subclass of Error.</dd></dl>
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<dl class="exception">
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<dt id="cx_Oracle.DataError">
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<!--#cx_Oracle.DataError#-->exception <tt class="descclassname">cx_Oracle.</tt><tt class="descname">DataError</tt><a class="headerlink" href="#cx_Oracle.DataError" title="Permalink to this definition">¶</a></dt>
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<dd>Exception raised for errors that are due to problems with the processed
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data. It is a subclass of DatabaseError.</dd></dl>
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<dl class="exception">
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<dt id="cx_Oracle.OperationalError">
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<!--#cx_Oracle.OperationalError#-->exception <tt class="descclassname">cx_Oracle.</tt><tt class="descname">OperationalError</tt><a class="headerlink" href="#cx_Oracle.OperationalError" title="Permalink to this definition">¶</a></dt>
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<dd>Exception raised for errors that are related to the operation of the
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database but are not necessarily under the control of the progammer. It is a
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subclass of DatabaseError.</dd></dl>
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<dl class="exception">
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<dt id="cx_Oracle.IntegrityError">
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|
<!--#cx_Oracle.IntegrityError#-->exception <tt class="descclassname">cx_Oracle.</tt><tt class="descname">IntegrityError</tt><a class="headerlink" href="#cx_Oracle.IntegrityError" title="Permalink to this definition">¶</a></dt>
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<dd>Exception raised when the relational integrity of the database is affected.
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It is a subclass of DatabaseError.</dd></dl>
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<dl class="exception">
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<dt id="cx_Oracle.InternalError">
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<!--#cx_Oracle.InternalError#-->exception <tt class="descclassname">cx_Oracle.</tt><tt class="descname">InternalError</tt><a class="headerlink" href="#cx_Oracle.InternalError" title="Permalink to this definition">¶</a></dt>
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|
<dd>Exception raised when the database encounters an internal error. It is a
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|
subclass of DatabaseError.</dd></dl>
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<dl class="exception">
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<dt id="cx_Oracle.ProgrammingError">
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|
<!--#cx_Oracle.ProgrammingError#-->exception <tt class="descclassname">cx_Oracle.</tt><tt class="descname">ProgrammingError</tt><a class="headerlink" href="#cx_Oracle.ProgrammingError" title="Permalink to this definition">¶</a></dt>
|
|
<dd>Exception raised for programming errors. It is a subclass of DatabaseError.</dd></dl>
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|
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<dl class="exception">
|
|
<dt id="cx_Oracle.NotSupportedError">
|
|
<!--#cx_Oracle.NotSupportedError#-->exception <tt class="descclassname">cx_Oracle.</tt><tt class="descname">NotSupportedError</tt><a class="headerlink" href="#cx_Oracle.NotSupportedError" title="Permalink to this definition">¶</a></dt>
|
|
<dd>Exception raised when a method or database API was used which is not
|
|
supported by the database. It is a subclass of DatabaseError.</dd></dl>
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<h3>Table Of Contents</h3>
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<li><a class="reference" href="">Module Interface</a><ul>
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<li><a class="reference" href="#id1">Constants</a></li>
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<li><a class="reference" href="#id2">Exceptions</a></li>
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© Copyright 2008, Anthony Tuininga.
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Last updated on Jun 06, 2008.
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