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<a name="l00274"></a>00274 { <a name="l00275"></a>00275 mtext *tmp = (mtext *) OCI_MemAlloc(OCI_IPC_STRING, <span class="keyword">sizeof</span>(mtext),<a name="l00276"></a>00276 ((osize/<span class="keyword">sizeof</span>(omtext))+ 1), TRUE);<a name="l00277"></a>00277 <a name="l00278"></a>00278 <span class="keywordflow">if</span> (tmp != NULL)<a name="l00279"></a>00279 {<a name="l00280"></a>00280 OCI_CopyString(ostr, tmp, &osize, <span class="keyword">sizeof</span>(omtext), <span class="keyword">sizeof</span>(mtext));<a name="l00281"></a>00281 col-><a class="code" href="struct_o_c_i___column.html#f43b715154e6d3f47bea8cbaafed3e6e">typinf</a> = <a class="code" href="group__g__desc.html#g4990c22d2773746a0ab61ec95470445c" title="Retrieve the available type info information.">OCI_TypeInfoGet</a>(con, tmp, OCI_SCHEMA_TYPE);<a name="l00282"></a>00282 }<a name="l00283"></a>00283 <a name="l00284"></a>00284 res = (col-><a class="code" href="struct_o_c_i___column.html#f43b715154e6d3f47bea8cbaafed3e6e">typinf</a> != NULL);<a name="l00285"></a>00285 <a name="l00286"></a>00286 OCI_FREE(tmp);<a name="l00287"></a>00287 }<a name="l00288"></a>00288 }<a name="l00289"></a>00289 <a name="l00290"></a>00290 <span class="keywordflow">if</span> (param != NULL)<a name="l00291"></a>00291 {<a name="l00292"></a>00292 res = (OCI_SUCCESS == OCIDescriptorFree(param, OCI_DTYPE_PARAM));<a name="l00293"></a>00293 }<a name="l00294"></a>00294 <a name="l00295"></a>00295 <span class="keywordflow">return</span> res;<a name="l00296"></a>00296 }<a name="l00297"></a>00297 <a name="l00298"></a>00298 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00299"></a>00299 <span class="comment"> * OCI_ColumnMap</span><a name="l00300"></a>00300 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00301"></a>00301 <a name="l00302"></a>00302 <span class="keywordtype">boolean</span> OCI_ColumnMap(<a class="code" href="struct_o_c_i___column.html" title="Oracle SQL Column and Type member representation.">OCI_Column</a> *col, <a class="code" href="struct_o_c_i___statement.html" title="Oracle SQL or PL/SQL statement.">OCI_Statement</a> *stmt)<a name="l00303"></a>00303 {<a name="l00304"></a>00304 <span class="keywordtype">boolean</span> res = TRUE;<a name="l00305"></a>00305 <a name="l00306"></a>00306 OCI_CHECK(col == NULL, FALSE);<a name="l00307"></a>00307 <a name="l00308"></a>00308 <span class="comment">/* map Oracle SQL code to OCILIB types and setup of internal buffer size */</span><a name="l00309"></a>00309 <a name="l00310"></a>00310 col-><a class="code" href="struct_o_c_i___column.html#ad9396e5095db31c838023313a41569e">icode</a> = col-><a class="code" href="struct_o_c_i___column.html#ecb72443546a3c89b21c3cde379210a9">ocode</a>;<a name="l00311"></a>00311 <a name="l00312"></a>00312 <span class="keywordflow">switch</span> (col-><a class="code" href="struct_o_c_i___column.html#ad9396e5095db31c838023313a41569e">icode</a>)<a name="l00313"></a>00313 {<a name="l00314"></a>00314 <span class="keywordflow">case</span> SQLT_INT:<a name="l00315"></a>00315 <a name="l00316"></a>00316 col-><a class="code" href="struct_o_c_i___column.html#93bfdf4f9926d4680f93356402177110">type</a> = OCI_CDT_NUMERIC;<a name="l00317"></a>00317 <a name="l00318"></a>00318 <span class="comment">/* set bufsize only if it's not a "returning into" placeholder */</span><a name="l00319"></a>00319 <a name="l00320"></a>00320 <span class="keywordflow">if</span> (col-><a class="code" href="struct_o_c_i___column.html#e0216bd7ecc0517de0fa5dc56980bf1e">bufsize</a> == 0) <a name="l00321"></a>00321 {<a name="l00322"></a>00322 col-><a class="code" href="struct_o_c_i___column.html#e1fb2448942e7ee1c3fa23662612f1e6">subtype</a> = OCI_NUM_INT;<a name="l00323"></a>00323 col-><a class="code" href="struct_o_c_i___column.html#e0216bd7ecc0517de0fa5dc56980bf1e">bufsize</a> = <span class="keyword">sizeof</span>(int);<a name="l00324"></a>00324 }<a name="l00325"></a>00325 <a name="l00326"></a>00326 <span class="keywordflow">break</span>;<a name="l00327"></a>00327 <a name="l00328"></a>00328 <span class="keywordflow">case</span> SQLT_UIN:<a name="l00329"></a>00329 <a name="l00330"></a>00330 col-><a class="code" href="struct_o_c_i___column.html#93bfdf4f9926d4680f93356402177110">type</a> = OCI_CDT_NUMERIC;<a name="l00331"></a>00331 <a name="l00332"></a>00332 <span class="comment">/* set bufsize only if it's not a "returning into" placeholder */</span><a name="l00333"></a>00333 <a name="l00334"></a>00334 <span class="keywordflow">if</span> (col-><a class="code" href="struct_o_c_i___column.html#e0216bd7ecc0517de0fa5dc56980bf1e">bufsize</a> == 0) <a name="l00335"></a>00335 {<a name="l00336"></a>00336 col-><a class="code" href="struct_o_c_i___column.html#e1fb2448942e7ee1c3fa23662612f1e6">subtype</a> = OCI_NUM_UINT;<a name="l00337"></a>00337 col-><a class="code" href="struct_o_c_i___column.html#e0216bd7ecc0517de0fa5dc56980bf1e">bufsize</a> = <span class="keyword">sizeof</span>(<span class="keywordtype">unsigned</span> int);<a name="l00338"></a>00338 }<a name="l00339"></a>00339 <a name="l00340"></a>00340 <span class="keywordflow">break</span>;<a name="l00341"></a>00341 <a name="l00342"></a>00342 <span class="keywordflow">case</span> SQLT_FLT:<a name="l00343"></a>00343 <span class="keywordflow">case</span> SQLT_VNU:<a name="l00344"></a>00344 <span class="keywordflow">case</span> SQLT_PDN:<a name="l00345"></a>00345 <span class="keywordflow">case</span> SQLT_NUM:<a name="l00346"></a>00346 <a name="l00347"></a>00347 <span class="preprocessor">#if OCI_VERSION_COMPILE >= OCI_10</span><a name="l00348"></a>00348 <span class="preprocessor"></span><a name="l00349"></a>00349 <span class="keywordflow">case</span> SQLT_BFLOAT:<a name="l00350"></a>00350 <span class="keywordflow">case</span> SQLT_BDOUBLE:<a name="l00351"></a>00351 <span class="keywordflow">case</span> SQLT_IBFLOAT:<a name="l00352"></a>00352 <span class="keywordflow">case</span> SQLT_IBDOUBLE:<a name="l00353"></a>00353 <a name="l00354"></a>00354 <span class="preprocessor">#endif </span><a name="l00355"></a>00355 <span class="preprocessor"></span> col-><a class="code" href="struct_o_c_i___column.html#93bfdf4f9926d4680f93356402177110">type</a> = OCI_CDT_NUMERIC;<a name="l00356"></a>00356 col-><a class="code" href="struct_o_c_i___column.html#e1fb2448942e7ee1c3fa23662612f1e6">subtype</a> = OCI_NUM_NUMBER;<a name="l00357"></a>00357 col-><a class="code" href="struct_o_c_i___column.html#ad9396e5095db31c838023313a41569e">icode</a> = SQLT_VNU;<a name="l00358"></a>00358 col-><a class="code" href="struct_o_c_i___column.html#e0216bd7ecc0517de0fa5dc56980bf1e">bufsize</a> = <span class="keyword">sizeof</span>(OCINumber);<a name="l00359"></a>00359 <a name="l00360"></a>00360 <span class="keywordflow">break</span>;<a name="l00361"></a>00361 <a name="l00362"></a>00362 <span class="keywordflow">case</span> SQLT_DAT:<a name="l00363"></a>00363 <span class="keywordflow">case</span> SQLT_ODT:<a name="l00364"></a>00364 <a name="l00365"></a>00365 col-><a class="code" href="struct_o_c_i___column.html#93bfdf4f9926d4680f93356402177110">type</a> = OCI_CDT_DATETIME;<a name="l00366"></a>00366 <a name="l00367"></a>00367 <span class="comment">/* We map to SQLT_ODT only it the column is not part of a </span><a name="l00368"></a>00368 <span class="comment"> "returning into" clause (workaround for Oracle </span><a name="l00369"></a>00369 <span class="comment"> known bug #3269146 </span><a name="l00370"></a>00370 <span class="comment"> */</span><a name="l00371"></a>00371 <a name="l00372"></a>00372 <span class="keywordflow">if</span> (col-><a class="code" href="struct_o_c_i___column.html#e0216bd7ecc0517de0fa5dc56980bf1e">bufsize</a> == 0)<a name="l00373"></a>00373 {<a name="l00374"></a>00374 col-><a class="code" href="struct_o_c_i___column.html#ad9396e5095db31c838023313a41569e">icode</a> = SQLT_ODT;<a name="l00375"></a>00375 col-><a class="code" href="struct_o_c_i___column.html#e0216bd7ecc0517de0fa5dc56980bf1e">bufsize</a> = <span class="keyword">sizeof</span>(OCIDate);<a name="l00376"></a>00376 }<a name="l00377"></a>00377 <a name="l00378"></a>00378 <span class="keywordflow">break</span>;<a name="l00379"></a>00379 <a name="l00380"></a>00380 <span class="keywordflow">case</span> SQLT_CUR:<a name="l00381"></a>00381 <span class="keywordflow">case</span> SQLT_RSET:<a name="l00382"></a>00382 <a name="l00383"></a>00383 col-><a class="code" href="struct_o_c_i___column.html#93bfdf4f9926d4680f93356402177110">type</a> = OCI_CDT_CURSOR;<a name="l00384"></a>00384 col-><a class="code" href="struct_o_c_i___column.html#e0216bd7ecc0517de0fa5dc56980bf1e">bufsize</a> = <span class="keyword">sizeof</span>(OCIStmt *);<a name="l00385"></a>00385 col-><a class="code" href="struct_o_c_i___column.html#4e4d9b8118c5d80364adfedcc97c0640">dtype</a> = OCI_HTYPE_STMT;<a name="l00386"></a>00386 <span class="keywordflow">break</span>;<a name="l00387"></a>00387 <a name="l00388"></a>00388 <span class="keywordflow">case</span> SQLT_RID:<a name="l00389"></a>00389 <span class="keywordflow">case</span> SQLT_RDD:<a name="l00390"></a>00390 <a name="l00391"></a>00391 col-><a class="code" href="struct_o_c_i___column.html#ad9396e5095db31c838023313a41569e">icode</a> = SQLT_STR;<a name="l00392"></a>00392 col-><a class="code" href="struct_o_c_i___column.html#93bfdf4f9926d4680f93356402177110">type</a> = OCI_CDT_TEXT;<a name="l00393"></a>00393 <a name="l00394"></a>00394 <span class="keywordflow">if</span> ((col-><a class="code" href="struct_o_c_i___column.html#ecb72443546a3c89b21c3cde379210a9">ocode</a> == SQLT_RDD) || (col-><a class="code" href="struct_o_c_i___column.html#e9713aae44e3fcf85987ffe8732bd72e">size</a> > <span class="keyword">sizeof</span>(OCIRowid *)))<a name="l00395"></a>00395 {<a name="l00396"></a>00396 <span class="comment">/* For Oracle 7 ROWIDs and regular ROWID descriptors, the </span><a name="l00397"></a>00397 <span class="comment"> max size of the hex value is defined by the constant</span><a name="l00398"></a>00398 <span class="comment"> OCI_SIZE_ROWID </span><a name="l00399"></a>00399 <span class="comment"> */</span><a name="l00400"></a>00400 <a name="l00401"></a>00401 col-><a class="code" href="struct_o_c_i___column.html#e0216bd7ecc0517de0fa5dc56980bf1e">bufsize</a> = (OCI_SIZE_ROWID + 1) * <span class="keyword">sizeof</span>(dtext);<a name="l00402"></a>00402 }<a name="l00403"></a>00403 <span class="keywordflow">else</span><a name="l00404"></a>00404 {<a name="l00405"></a>00405 <span class="comment">/* For ROWID descriptor, if column size is bigger than the size</span><a name="l00406"></a>00406 <span class="comment"> of the descriptor, it means that an UROWID column and then </span><a name="l00407"></a>00407 <span class="comment"> the column size is the maximum size needed for representing</span><a name="l00408"></a>00408 <span class="comment"> its value as an hex string</span><a name="l00409"></a>00409 <span class="comment"> */</span><a name="l00410"></a>00410 <a name="l00411"></a>00411 col-><a class="code" href="struct_o_c_i___column.html#e0216bd7ecc0517de0fa5dc56980bf1e">bufsize</a> = (col-><a class="code" href="struct_o_c_i___column.html#e9713aae44e3fcf85987ffe8732bd72e">size</a> + 1) * <span class="keyword">sizeof</span>(dtext);<a name="l00412"></a>00412 }<a name="l00413"></a>00413 <a name="l00414"></a>00414 <span class="keywordflow">break</span>;<a name="l00415"></a>00415 <a name="l00416"></a>00416 <span class="keywordflow">case</span> SQLT_BIN:<a name="l00417"></a>00417 ⌨️ 快捷键说明
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