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<a name="l00124"></a>00124 res = OCI_ColumnMap(&def->col, rs-><a class="code" href="struct_o_c_i___resultset.html#c12ae7da6f8d20f00c6ad69cdb31373a">stmt</a>);<a name="l00125"></a>00125 <a name="l00126"></a>00126 <span class="comment">/* allocation of internal buffers for resultset content */</span><a name="l00127"></a>00127 <a name="l00128"></a>00128 <span class="keywordflow">if</span> (res == TRUE)<a name="l00129"></a>00129 res = OCI_DefineAlloc(def);<a name="l00130"></a>00130 <a name="l00131"></a>00131 <span class="comment">/* register OCILIB result buffers to OCI */</span><a name="l00132"></a>00132 <a name="l00133"></a>00133 <span class="keywordflow">if</span> (res == TRUE)<a name="l00134"></a>00134 res = OCI_DefineDef(def);<a name="l00135"></a>00135 <a name="l00136"></a>00136 <span class="keywordflow">if</span> (res == FALSE) <a name="l00137"></a>00137 <span class="keywordflow">break</span>;<a name="l00138"></a>00138 }<a name="l00139"></a>00139 }<a name="l00140"></a>00140 <span class="keywordflow">else</span><a name="l00141"></a>00141 {<a name="l00142"></a>00142 <span class="comment">/* get info from input binds */</span><a name="l00143"></a>00143 <a name="l00144"></a>00144 <span class="keywordflow">for</span> (i=0; i < stmt-><a class="code" href="struct_o_c_i___statement.html#353c264bf3e693635702aaaea4d03626">nb_binds</a>; i++)<a name="l00145"></a>00145 {<a name="l00146"></a>00146 OCI_Bind *bnd = stmt-><a class="code" href="struct_o_c_i___statement.html#5979eb260642a37f1326551ddb6046a9">binds</a>[i];<a name="l00147"></a>00147 OCI_Define *def = &rs-><a class="code" href="struct_o_c_i___resultset.html#ca691fad2f84ecfb8956f5e1649c0a53">defs</a>[bnd->dynpos];<a name="l00148"></a>00148 <a name="l00149"></a>00149 def->buf.count = size;<a name="l00150"></a>00150 def->buf.sizelen = <span class="keyword">sizeof</span>(ub4);<a name="l00151"></a>00151 <a name="l00152"></a>00152 def->rs = rs;<a name="l00153"></a>00153 <a name="l00154"></a>00154 <span class="keywordflow">if</span> (bnd->mode == OCI_BIND_OUTPUT)<a name="l00155"></a>00155 {<a name="l00156"></a>00156 rs-><a class="code" href="struct_o_c_i___resultset.html#5c03dc5e587cf642f7417ee62b2ea808">nb_defs</a>++;<a name="l00157"></a>00157 <a name="l00158"></a>00158 <span class="comment">/* columns info */</span><a name="l00159"></a>00159 <a name="l00160"></a>00160 def->col.ocode = bnd->code;<a name="l00161"></a>00161 def->col.name = mtsdup(bnd->name);<a name="l00162"></a>00162 def->col.size = (ub2) bnd->size;<a name="l00163"></a>00163 def->col.type = bnd->type;<a name="l00164"></a>00164 def->col.subtype = bnd->subtype;<a name="l00165"></a>00165 <a name="l00166"></a>00166 <span class="comment">/* check national attribute for nclobs */</span><a name="l00167"></a>00167 <a name="l00168"></a>00168 if (bnd->type == OCI_CDT_LOB && bnd->subtype == OCI_NCLOB)<a name="l00169"></a>00169 def->col.csfrm = SQLCS_NCHAR;<a name="l00170"></a>00170 <a name="l00171"></a>00171 <span class="comment">/* ajdust colum size from bind atrributes */</span><a name="l00172"></a>00172 <a name="l00173"></a>00173 <span class="keywordflow">if</span> (def->col.type == OCI_CDT_TEXT)<a name="l00174"></a>00174 def->col.size = (ub2) (def->col.size / (<span class="keyword">sizeof</span>(dtext)) - 1);<a name="l00175"></a>00175 <a name="l00176"></a>00176 <span class="comment">/* for integer types, set the bufsize here in order to </span><a name="l00177"></a>00177 <span class="comment"> retreive later the integer type (short, integer, big_int)</span><a name="l00178"></a>00178 <span class="comment"> depending on the integer size */</span><a name="l00179"></a>00179 <a name="l00180"></a>00180 <span class="keywordflow">if</span> (def->col.type == OCI_CDT_NUMERIC)<a name="l00181"></a>00181 def->col.bufsize = def->col.size;<a name="l00182"></a>00182 <a name="l00183"></a>00183 <span class="comment">/* preset bufsize here to let OCI_ColumnMap() know we don't </span><a name="l00184"></a>00184 <span class="comment"> want the column to mapped to SQLT_ODT */</span><a name="l00185"></a>00185 <a name="l00186"></a>00186 <span class="keywordflow">if</span> (def->col.ocode == SQLT_DAT)<a name="l00187"></a>00187 def->col.bufsize = def->col.size;<a name="l00188"></a>00188 <a name="l00189"></a>00189 <span class="comment">/* map column : failure means unsupported type */</span><a name="l00190"></a>00190 <a name="l00191"></a>00191 <span class="keywordflow">if</span> (res == TRUE)<a name="l00192"></a>00192 res = OCI_ColumnMap(&def->col, rs-><a class="code" href="struct_o_c_i___resultset.html#c12ae7da6f8d20f00c6ad69cdb31373a">stmt</a>);<a name="l00193"></a>00193 <a name="l00194"></a>00194 <span class="comment">/* allocation of internal buffers for resultset content */</span><a name="l00195"></a>00195 <a name="l00196"></a>00196 <span class="keywordflow">if</span> (res == TRUE)<a name="l00197"></a>00197 res = OCI_DefineAlloc(def);<a name="l00198"></a>00198 <a name="l00199"></a>00199 <span class="keywordflow">if</span> (res == FALSE) <a name="l00200"></a>00200 <span class="keywordflow">break</span>;<a name="l00201"></a>00201 }<a name="l00202"></a>00202 }<a name="l00203"></a>00203 }<a name="l00204"></a>00204 }<a name="l00205"></a>00205 <a name="l00206"></a>00206 <span class="keywordflow">return</span> rs;<a name="l00207"></a>00207 }<a name="l00208"></a>00208 <a name="l00209"></a>00209 <a name="l00210"></a>00210 <span class="comment">/* ------------------------------------------------------------------------ *</span><a name="l00211"></a>00211 <span class="comment"> * OCI_FetchPieces</span><a name="l00212"></a>00212 <span class="comment"> * ------------------------------------------------------------------------ */</span><a name="l00213"></a>00213 <a name="l00214"></a>00214 <span class="keywordtype">boolean</span> OCI_FetchPieces(<a class="code" href="struct_o_c_i___resultset.html" title="Collection of output columns from a select statement.">OCI_Resultset</a> *rs)<a name="l00215"></a>00215 {<a name="l00216"></a>00216 <span class="keywordtype">boolean</span> res = TRUE;<a name="l00217"></a>00217 <a name="l00218"></a>00218 ub4 type, iter, dx;<a name="l00219"></a>00219 ub1 in_out, piece;<a name="l00220"></a>00220 <span class="keywordtype">void</span> *handle;<a name="l00221"></a>00221 ub4 i, j;<a name="l00222"></a>00222 <a name="l00223"></a>00223 OCI_CHECK(rs == NULL, FALSE);<a name="l00224"></a>00224 <a name="l00225"></a>00225 <span class="comment">/* reset long objects */</span><a name="l00226"></a>00226 <a name="l00227"></a>00227 <span class="keywordflow">for</span> (i = 0; i < rs-><a class="code" href="struct_o_c_i___resultset.html#5c03dc5e587cf642f7417ee62b2ea808">nb_defs</a>; i++)<a name="l00228"></a>00228 {<a name="l00229"></a>00229 OCI_Define *def = &rs-><a class="code" href="struct_o_c_i___resultset.html#ca691fad2f84ecfb8956f5e1649c0a53">defs</a>[i];<a name="l00230"></a>00230 <a name="l00231"></a>00231 <span class="keywordflow">if</span> (def->col.type == OCI_CDT_LONG)<a name="l00232"></a>00232 {<a name="l00233"></a>00233 <span class="keywordflow">for</span> (j = 0; j < def->buf.count; j++)<a name="l00234"></a>00234 {<a name="l00235"></a>00235 OCI_LongInit(rs-><a class="code" href="struct_o_c_i___resultset.html#c12ae7da6f8d20f00c6ad69cdb31373a">stmt</a>, (<a class="code" href="struct_o_c_i___long.html" title="Oracle Long datatype.">OCI_Long</a> **) &def->buf.data[j],<a name="l00236"></a>00236 def, def->col.subtype);<a name="l00237"></a>00237 }<a name="l00238"></a>00238 }<a name="l00239"></a>00239 }<a name="l00240"></a>00240 <a name="l00241"></a>00241 <span class="comment">/* dynamic fetch */</span><a name="l00242"></a>00242 <a name="l00243"></a>00243 <span class="keywordflow">while</span> ((res == TRUE) && (rs-><a class="code" href="struct_o_c_i___resultset.html#261b838dbeb0658e84d45a210542c7e8">fetch_status</a> == OCI_NEED_DATA)) <a name="l00244"></a>00244 { <a name="l00245"></a>00245 piece = OCI_NEXT_PIECE;<a name="l00246"></a>00246 iter = 0;<a name="l00247"></a>00247 handle = NULL;<a name="l00248"></a>00248 <a name="l00249"></a>00249 <span class="comment">/* get piece information */</span><a name="l00250"></a>00250 <a name="l00251"></a>00251 OCI_CALL1<a name="l00252"></a>00252 (<a name="l00253"></a>00253 res, rs-><a class="code" href="struct_o_c_i___resultset.html#c12ae7da6f8d20f00c6ad69cdb31373a">stmt</a>-><a class="code" href="struct_o_c_i___statement.html#338ddf58debd7de6ab9355f1e75d78f6">con</a>, rs-><a class="code" href="struct_o_c_i___resultset.html#c12ae7da6f8d20f00c6ad69cdb31373a">stmt</a>,<a name="l00254"></a>00254 <a name="l00255"></a>00255 OCIStmtGetPieceInfo(rs-><a class="code" href="struct_o_c_i___resultset.html#c12ae7da6f8d20f00c6ad69cdb31373a">stmt</a>-><a class="code" href="struct_o_c_i___statement.html#e526a309495dc7d8bcb747b2771de6b9">stmt</a>, rs-><a class="code" href="struct_o_c_i___resultset.html#c12ae7da6f8d20f00c6ad69cdb31373a">stmt</a>-><a class="code" href="struct_o_c_i___statement.html#338ddf58debd7de6ab9355f1e75d78f6">con</a>-><a class="code" href="struct_o_c_i___connection.html#573a359867139990b1b0f50aa7a86175">err</a>,<a name="l00256"></a>00256 &handle, &type, &in_out, &iter, &dx, &piece)<a name="l00257"></a>00257 )<a name="l00258"></a>00258 <a name="l00259"></a>00259 <span class="comment">/* search for the given column */</span><a name="l00260"></a>00260 <a name="l00261"></a>00261 for (i = 0; (res == TRUE) && (i < rs->nb_defs); i++)⌨️ 快捷键说明
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