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<a name="l00093"></a>00093 OCI_CHECK_PTR(OCI_IPC_STATEMENT, stmt, NULL);<a name="l00094"></a>00094 <a name="l00095"></a>00095 lg = OCI_LongInit(stmt, &lg, NULL, type);<a name="l00096"></a>00096 <a name="l00097"></a>00097 OCI_RESULT(lg != NULL);<a name="l00098"></a>00098 <a name="l00099"></a>00099 <span class="keywordflow">return</span> lg;<a name="l00100"></a>00100 }<a name="l00101"></a>00101 <a name="l00102"></a>00102 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00103"></a>00103 <span class="comment"> * OCI_LongFree</span><a name="l00104"></a>00104 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00105"></a>00105 <a name="l00106"></a><a class="code" href="group__g__long.html#gdc23551bd5aa7832cbaee4e32a2b283a">00106</a> <span class="keywordtype">boolean</span> OCI_API <a class="code" href="group__g__long.html#gdc23551bd5aa7832cbaee4e32a2b283a" title="Free a local temporary long.">OCI_LongFree</a>(<a class="code" href="struct_o_c_i___long.html" title="Oracle Long datatype.">OCI_Long</a> *lg)<a name="l00107"></a>00107 {<a name="l00108"></a>00108 OCI_CHECK_PTR(OCI_IPC_LONG, lg, FALSE);<a name="l00109"></a>00109 <a name="l00110"></a>00110 OCI_CHECK_OBJECT_FETCHED(lg, FALSE);<a name="l00111"></a>00111 <a name="l00112"></a>00112 OCI_FREE(lg-><a class="code" href="struct_o_c_i___long.html#c1d382a8949e5d85954dc900c7b2ac7f">buffer</a>);<a name="l00113"></a>00113 OCI_FREE(lg);<a name="l00114"></a>00114 <a name="l00115"></a>00115 OCI_RESULT(TRUE);<a name="l00116"></a>00116 <a name="l00117"></a>00117 <span class="keywordflow">return</span> TRUE;<a name="l00118"></a>00118 }<a name="l00119"></a>00119 <a name="l00120"></a>00120 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00121"></a>00121 <span class="comment"> * OCI_LongGetType</span><a name="l00122"></a>00122 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00123"></a>00123 <a name="l00124"></a><a class="code" href="group__g__long.html#g69ae3c008a5f540c4d7c6eca502b6898">00124</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> OCI_API <a class="code" href="group__g__long.html#g69ae3c008a5f540c4d7c6eca502b6898" title="Return the type of the given Long object.">OCI_LongGetType</a>(<a class="code" href="struct_o_c_i___long.html" title="Oracle Long datatype.">OCI_Long</a> *lg)<a name="l00125"></a>00125 {<a name="l00126"></a>00126 OCI_CHECK_PTR(OCI_IPC_LONG, lg, OCI_UNKNOWN);<a name="l00127"></a>00127 <a name="l00128"></a>00128 OCI_RESULT(TRUE);<a name="l00129"></a>00129 <a name="l00130"></a>00130 <span class="keywordflow">return</span> lg-><a class="code" href="struct_o_c_i___long.html#0eb52b112b73161c67c5e8631e5bd62d">type</a>;<a name="l00131"></a>00131 }<a name="l00132"></a>00132 <a name="l00133"></a>00133 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00134"></a>00134 <span class="comment"> * OCI_LongRead</span><a name="l00135"></a>00135 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00136"></a>00136 <a name="l00137"></a><a class="code" href="group__g__long.html#gd7e0ba53269cc2d5aace557a984c8717">00137</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> OCI_API <a class="code" href="group__g__long.html#gd7e0ba53269cc2d5aace557a984c8717" title="Read a portion of a long into the given buffer [Obsolete].">OCI_LongRead</a>(<a class="code" href="struct_o_c_i___long.html" title="Oracle Long datatype.">OCI_Long</a> *lg, <span class="keywordtype">void</span> *buffer,<a name="l00138"></a>00138 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> len)<a name="l00139"></a>00139 {<a name="l00140"></a>00140 OCI_CHECK_PTR(OCI_IPC_LONG, lg, 0);<a name="l00141"></a>00141 OCI_CHECK_PTR(OCI_IPC_VOID, buffer, 0);<a name="l00142"></a>00142 <a name="l00143"></a>00143 OCI_CHECK_MIN(lg-><a class="code" href="struct_o_c_i___long.html#772460c6f3bb2b3c13dd231f1439c41c">stmt</a>-><a class="code" href="struct_o_c_i___statement.html#338ddf58debd7de6ab9355f1e75d78f6">con</a>, lg-><a class="code" href="struct_o_c_i___long.html#772460c6f3bb2b3c13dd231f1439c41c">stmt</a>, len, 1, 0);<a name="l00144"></a>00144 <a name="l00145"></a>00145 OCI_CHECK(lg-><a class="code" href="struct_o_c_i___long.html#eb366bc7d0b59e6dd0a4a63c2949ed73">offset</a> > lg-><a class="code" href="struct_o_c_i___long.html#936260167a8950b8022f7050f2f3dd87">size</a>, 0);<a name="l00146"></a>00146 <a name="l00147"></a>00147 <span class="keywordflow">if</span> (lg-><a class="code" href="struct_o_c_i___long.html#0eb52b112b73161c67c5e8631e5bd62d">type</a> == OCI_CLONG)<a name="l00148"></a>00148 len *= <span class="keyword">sizeof</span>(dtext);<a name="l00149"></a>00149 <a name="l00150"></a>00150 <span class="comment">/* check buffer size to read */</span><a name="l00151"></a>00151 <a name="l00152"></a>00152 <span class="keywordflow">if</span> ((len + lg-><a class="code" href="struct_o_c_i___long.html#eb366bc7d0b59e6dd0a4a63c2949ed73">offset</a>) > lg-><a class="code" href="struct_o_c_i___long.html#936260167a8950b8022f7050f2f3dd87">size</a>)<a name="l00153"></a>00153 len = lg-><a class="code" href="struct_o_c_i___long.html#936260167a8950b8022f7050f2f3dd87">size</a> - lg-><a class="code" href="struct_o_c_i___long.html#eb366bc7d0b59e6dd0a4a63c2949ed73">offset</a>;<a name="l00154"></a>00154 <a name="l00155"></a>00155 <span class="comment">/* copy buffer */</span><a name="l00156"></a>00156 <a name="l00157"></a>00157 memcpy(buffer, lg-><a class="code" href="struct_o_c_i___long.html#c1d382a8949e5d85954dc900c7b2ac7f">buffer</a> + lg-><a class="code" href="struct_o_c_i___long.html#eb366bc7d0b59e6dd0a4a63c2949ed73">offset</a>, len);<a name="l00158"></a>00158 <a name="l00159"></a>00159 lg-><a class="code" href="struct_o_c_i___long.html#eb366bc7d0b59e6dd0a4a63c2949ed73">offset</a> += len;<a name="l00160"></a>00160 <a name="l00161"></a>00161 <span class="keywordflow">if</span> (lg-><a class="code" href="struct_o_c_i___long.html#0eb52b112b73161c67c5e8631e5bd62d">type</a> == OCI_CLONG)<a name="l00162"></a>00162 len /= <span class="keyword">sizeof</span>(dtext);<a name="l00163"></a>00163 <a name="l00164"></a>00164 OCI_RESULT(TRUE);<a name="l00165"></a>00165 <a name="l00166"></a>00166 <span class="keywordflow">return</span> len;<a name="l00167"></a>00167 }<a name="l00168"></a>00168 <a name="l00169"></a>00169 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00170"></a>00170 <span class="comment"> * OCI_LongWrite</span><a name="l00171"></a>00171 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00172"></a>00172 <a name="l00173"></a><a class="code" href="group__g__long.html#g1a76c2c5de1c81d38be17bf28524ce99">00173</a> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> OCI_API <a class="code" href="group__g__long.html#g1a76c2c5de1c81d38be17bf28524ce99" title="Write a buffer into a Long.">OCI_LongWrite</a>(<a class="code" href="struct_o_c_i___long.html" title="Oracle Long datatype.">OCI_Long</a> *lg, <span class="keywordtype">void</span> *buffer,<a name="l00174"></a>00174 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> len)<a name="l00175"></a>00175 {<a name="l00176"></a>00176 <span class="keywordtype">boolean</span> res = TRUE;<a name="l00177"></a>00177 sword code = OCI_SUCCESS;<a name="l00178"></a>00178 <span class="keywordtype">void</span> *obuf = NULL;<a name="l00179"></a>00179 <span class="keywordtype">void</span> *handle = NULL;<a name="l00180"></a>00180 ub1 in_out = OCI_PARAM_IN;<a name="l00181"></a>00181 ub1 piece = OCI_ONE_PIECE;<a name="l00182"></a>00182 ub4 type = 0;<a name="l00183"></a>00183 ub4 iter = 0;<a name="l00184"></a>00184 ub4 dx = 0;<a name="l00185"></a>00185 ub4 count = len;<a name="l00186"></a>00186 <a name="l00187"></a>00187 OCI_CHECK_PTR(OCI_IPC_VOID, buffer, 0);<a name="l00188"></a>00188 OCI_CHECK_PTR(OCI_IPC_LONG, lg, 0);<a name="l00189"></a>00189 <a name="l00190"></a>00190 OCI_CHECK_MIN(lg-><a class="code" href="struct_o_c_i___long.html#772460c6f3bb2b3c13dd231f1439c41c">stmt</a>-><a class="code" href="struct_o_c_i___statement.html#338ddf58debd7de6ab9355f1e75d78f6">con</a>, lg-><a class="code" href="struct_o_c_i___long.html#772460c6f3bb2b3c13dd231f1439c41c">stmt</a>, len, 1, 0);<a name="l00191"></a>00191 <a name="l00192"></a>00192 <span class="keywordflow">if</span> (lg-><a class="code" href="struct_o_c_i___long.html#0eb52b112b73161c67c5e8631e5bd62d">type</a> == OCI_CLONG)<a name="l00193"></a>00193 len *= <span class="keyword">sizeof</span>(odtext);<a name="l00194"></a>00194 <a name="l00195"></a>00195 <span class="keywordflow">if</span> (lg-><a class="code" href="struct_o_c_i___long.html#0eb52b112b73161c67c5e8631e5bd62d">type</a> == OCI_CLONG)<a name="l00196"></a>00196 obuf = OCI_GetInputDataString(buffer, (<span class="keywordtype">int</span> *) &len);<a name="l00197"></a>00197 <span class="keywordflow">else</span><a name="l00198"></a>00198 obuf = buffer;<a name="l00199"></a>00199 ⌨️ 快捷键说明
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