📄 ref_8c-source.html
字号:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"><title>OCILIB (C Driver for Oracle): C:/Users/vincent/Data/Perso/dev/ocilib/ocilib/src/ref.c Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.5.4 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul></div><h1>C:/Users/vincent/Data/Perso/dev/ocilib/ocilib/src/ref.c</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span><a name="l00002"></a>00002 <span class="comment"> +----------------------------------------------------------------------+ </span><a name="l00003"></a>00003 <span class="comment"> | |</span><a name="l00004"></a>00004 <span class="comment"> | OCILIB - C Driver for Oracle |</span><a name="l00005"></a>00005 <span class="comment"> | |</span><a name="l00006"></a>00006 <span class="comment"> | (C Wrapper for Oracle OCI) |</span><a name="l00007"></a>00007 <span class="comment"> | |</span><a name="l00008"></a>00008 <span class="comment"> +----------------------------------------------------------------------+</span><a name="l00009"></a>00009 <span class="comment"> | Website : http://ocilib.net |</span><a name="l00010"></a>00010 <span class="comment"> +----------------------------------------------------------------------+</span><a name="l00011"></a>00011 <span class="comment"> | Copyright (c) 2007-2009 Vincent ROGIER |</span><a name="l00012"></a>00012 <span class="comment"> +----------------------------------------------------------------------+</span><a name="l00013"></a>00013 <span class="comment"> | This library is free software; you can redistribute it and/or |</span><a name="l00014"></a>00014 <span class="comment"> | modify it under the terms of the GNU Library General Public |</span><a name="l00015"></a>00015 <span class="comment"> | License as published by the Free Software Foundation; either |</span><a name="l00016"></a>00016 <span class="comment"> | version 2 of the License, or (at your option) any later version. |</span><a name="l00017"></a>00017 <span class="comment"> | |</span><a name="l00018"></a>00018 <span class="comment"> | This library is distributed in the hope that it will be useful, |</span><a name="l00019"></a>00019 <span class="comment"> | but WITHOUT ANY WARRANTY; without even the implied warranty of |</span><a name="l00020"></a>00020 <span class="comment"> | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |</span><a name="l00021"></a>00021 <span class="comment"> | Library General Public License for more details. |</span><a name="l00022"></a>00022 <span class="comment"> | |</span><a name="l00023"></a>00023 <span class="comment"> | You should have received a copy of the GNU Library General Public |</span><a name="l00024"></a>00024 <span class="comment"> | License along with this library; if not, write to the Free |</span><a name="l00025"></a>00025 <span class="comment"> | Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |</span><a name="l00026"></a>00026 <span class="comment"> +----------------------------------------------------------------------+</span><a name="l00027"></a>00027 <span class="comment"> | Author: Vincent ROGIER <vince.rogier@gmail.com> |</span><a name="l00028"></a>00028 <span class="comment"> +----------------------------------------------------------------------+ </span><a name="l00029"></a>00029 <span class="comment">*/</span><a name="l00030"></a>00030 <a name="l00031"></a>00031 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00032"></a>00032 <span class="comment"> * $Id: ref.c, v 3.2.0 2009/04/20 00:00 Vince $</span><a name="l00033"></a>00033 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00034"></a>00034 <a name="l00035"></a>00035 <span class="preprocessor">#include "ocilib_internal.h"</span><a name="l00036"></a>00036 <a name="l00037"></a>00037 <span class="comment">/* ************************************************************************ *</span><a name="l00038"></a>00038 <span class="comment"> * PRIVATE FUNCTIONS</span><a name="l00039"></a>00039 <span class="comment"> * ************************************************************************ */</span><a name="l00040"></a>00040 <a name="l00041"></a>00041 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00042"></a>00042 <span class="comment"> * OCI_RefInit</span><a name="l00043"></a>00043 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00044"></a>00044 <a name="l00045"></a>00045 <a class="code" href="struct_o_c_i___ref.html" title="Oracle REF type representation.">OCI_Ref</a> * OCI_RefInit(<a class="code" href="struct_o_c_i___connection.html" title="Oracle physical connection.">OCI_Connection</a> *con, <a class="code" href="struct_o_c_i___type_info.html" title="Type info metadata handle.">OCI_TypeInfo</a> *typinf, <a class="code" href="struct_o_c_i___ref.html" title="Oracle REF type representation.">OCI_Ref</a> **pref, <a name="l00046"></a>00046 <span class="keywordtype">void</span> *handle)<a name="l00047"></a>00047 {<a name="l00048"></a>00048 <span class="keywordtype">boolean</span> res = TRUE;<a name="l00049"></a>00049 <a class="code" href="struct_o_c_i___ref.html" title="Oracle REF type representation.">OCI_Ref</a> * ref = NULL;<a name="l00050"></a>00050 <a name="l00051"></a>00051 OCI_CHECK(pref == NULL, NULL);<a name="l00052"></a>00052 <a name="l00053"></a>00053 <span class="keywordflow">if</span> (*pref == NULL)<a name="l00054"></a>00054 *pref = (<a class="code" href="struct_o_c_i___ref.html" title="Oracle REF type representation.">OCI_Ref</a> *) OCI_MemAlloc(OCI_IPC_REF, <span class="keyword">sizeof</span>(*ref), 1, TRUE);<a name="l00055"></a>00055 <a name="l00056"></a>00056 <span class="keywordflow">if</span> (*pref != NULL)<a name="l00057"></a>00057 {<a name="l00058"></a>00058 ref = *pref;<a name="l00059"></a>00059 <a name="l00060"></a>00060 ref-><a class="code" href="struct_o_c_i___ref.html#b2d74601c440e65ed83854393a3b8cd3">handle</a> = handle;<a name="l00061"></a>00061 ref-><a class="code" href="struct_o_c_i___ref.html#5081e7047d2cdf84805747dadfa251ff">con</a> = con;<a name="l00062"></a>00062 ref-><a class="code" href="struct_o_c_i___ref.html#5074cf0ee1f98c5196a131898ab390bb">typinf</a> = typinf;<a name="l00063"></a>00063 <a name="l00064"></a>00064 <span class="keywordflow">if</span> (ref-><a class="code" href="struct_o_c_i___ref.html#b2d74601c440e65ed83854393a3b8cd3">handle</a> == NULL)<a name="l00065"></a>00065 {<a name="l00066"></a>00066 <span class="comment">/* allocates handle for non fetched object */</span><a name="l00067"></a>00067 <a name="l00068"></a>00068 ref-><a class="code" href="struct_o_c_i___ref.html#6b4314ee1707a13c9c76da44f5dc2e5b">hstate</a> = OCI_OBJECT_ALLOCATED;<a name="l00069"></a>00069 <a name="l00070"></a>00070 OCI_CALL2<a name="l00071"></a>00071 (<a name="l00072"></a>00072 res, ref-><a class="code" href="struct_o_c_i___ref.html#5081e7047d2cdf84805747dadfa251ff">con</a>, <a name="l00073"></a>00073 <a name="l00074"></a>00074 OCI_ObjectNew(OCILib.env, con-><a class="code" href="struct_o_c_i___connection.html#573a359867139990b1b0f50aa7a86175">err</a>, con-><a class="code" href="struct_o_c_i___connection.html#f20d1bea40e79481aeece933a4c70898">cxt</a>, <a name="l00075"></a>00075 (OCITypeCode) SQLT_REF, <a name="l00076"></a>00076 (OCIType*) NULL,<a name="l00077"></a>00077 (dvoid *) NULL, <a name="l00078"></a>00078 (OCIDuration) OCI_DURATION_SESSION,<a name="l00079"></a>00079 (<span class="keywordtype">boolean</span>) FALSE, <a name="l00080"></a>00080 (dvoid **) &ref-><a class="code" href="struct_o_c_i___ref.html#b2d74601c440e65ed83854393a3b8cd3">handle</a>)<a name="l00081"></a>00081 )<a name="l00082"></a>00082 }<a name="l00083"></a>00083 <span class="keywordflow">else</span><a name="l00084"></a>00084 {<a name="l00085"></a>00085 ref-><a class="code" href="struct_o_c_i___ref.html#6b4314ee1707a13c9c76da44f5dc2e5b">hstate</a> = OCI_OBJECT_FETCHED_CLEAN;<a name="l00086"></a>00086 <a name="l00087"></a>00087 OCI_RefUnpin(ref);<a name="l00088"></a>00088 }<a name="l00089"></a>00089 }<a name="l00090"></a>00090 <span class="keywordflow">else</span><a name="l00091"></a>00091 res = FALSE;<a name="l00092"></a>00092 <a name="l00093"></a>00093 <span class="comment">/* check for failure */</span><a name="l00094"></a>00094 <a name="l00095"></a>00095 <span class="keywordflow">if</span> (res == FALSE)<a name="l00096"></a>00096 {<a name="l00097"></a>00097 <a class="code" href="group__g__usertypes.html#g4d38338b68e78fbf2be15a9fc7a01b46" title="Free a local Ref.">OCI_RefFree</a>(ref);<a name="l00098"></a>00098 ref = NULL;<a name="l00099"></a>00099 }<a name="l00100"></a>00100 <a name="l00101"></a>00101 <span class="keywordflow">return</span> ref;<a name="l00102"></a>00102 }<a name="l00103"></a>00103 <a name="l00104"></a>00104 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00105"></a>00105 <span class="comment"> * OCI_RefPin</span><a name="l00106"></a>00106 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00107"></a>00107 <a name="l00108"></a>00108 <span class="keywordtype">boolean</span> OCI_RefPin(<a class="code" href="struct_o_c_i___ref.html" title="Oracle REF type representation.">OCI_Ref</a> *ref)<a name="l00109"></a>00109 {<a name="l00110"></a>00110 <span class="keywordtype">boolean</span> res = TRUE;<a name="l00111"></a>00111 <span class="keywordtype">void</span> *obj_handle = NULL;<a name="l00112"></a>00112 <a name="l00113"></a>00113 OCI_CHECK(ref == NULL, FALSE);<a name="l00114"></a>00114 <a name="l00115"></a>00115 OCI_RefUnpin(ref);<a name="l00116"></a>00116 <a name="l00117"></a>00117 OCI_CALL2<a name="l00118"></a>00118 (<a name="l00119"></a>00119 res, ref-><a class="code" href="struct_o_c_i___ref.html#5081e7047d2cdf84805747dadfa251ff">con</a>, <a name="l00120"></a>00120 <a name="l00121"></a>00121 OCIObjectPin(OCILib.env, ref-><a class="code" href="struct_o_c_i___ref.html#5081e7047d2cdf84805747dadfa251ff">con</a>-><a class="code" href="struct_o_c_i___connection.html#573a359867139990b1b0f50aa7a86175">err</a>, ref-><a class="code" href="struct_o_c_i___ref.html#b2d74601c440e65ed83854393a3b8cd3">handle</a>,<a name="l00122"></a>00122 (OCIComplexObject *) 0, OCI_PIN_ANY, OCI_DURATION_SESSION,<a name="l00123"></a>00123 OCI_LOCK_NONE, &obj_handle)<a name="l00124"></a>00124 )<a name="l00125"></a>00125 ⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -