--- /dev/null
+// ANNA - Anna is Not Nothingness Anymore //
+// //
+// (c) Copyright 2005-2015 Eduardo Ramos Testillano & Francisco Ruiz Rayo //
+// //
+// See project site at http://redmine.teslayout.com/projects/anna-suite //
+// See accompanying file LICENSE or copy at http://www.teslayout.com/projects/public/anna.LICENSE //
+
+
+#include <mysql/mysql.h>
+
+#include <anna/config/defines.hpp>
+#include <anna/core/tracing/Logger.hpp>
+#include <anna/core/DataBlock.hpp>
+
+#include <anna/dbms/Float.hpp>
+#include <anna/dbms/ShortBlock.hpp>
+#include <anna/dbms/LongBlock.hpp>
+#include <anna/dbms/String.hpp>
+#include <anna/dbms/Date.hpp>
+#include <anna/dbms/TimeStamp.hpp>
+
+#include <anna/dbms.mysql/mysql.hpp>
+
+using namespace anna;
+using namespace std;
+
+OutputBind::OutputBind(const char* name, dbms::Data& data) :
+ dbms::OutputBind(name, data),
+ BaseBind(data) {
+ a_blob = (data.getType() == Data::Type::LongBlock) ? new Blob : NULL;
+}
+
+OutputBind::~OutputBind() {
+ delete a_blob;
+}
+
+/*
+ * El dato de LONG BLOB se recoge según cuenta:
+ * http://dev.mysql.com/doc/refman/4.1/en/mysql-stmt-fetch.html.
+ */
+void OutputBind::prepare(anna::dbms::Statement* dbmsStmt, anna::dbms::Connection*, const int pos)
+throw(RuntimeException) {
+ st_mysql_bind* bind = static_cast <dbms::mysql::Statement*>(dbmsStmt)->getBindResults() + pos;
+ Data& data = anna::dbms::Bind::getData();
+ BaseBind::setupBind(*bind, data);
+
+ if(data.getType() == Data::Type::LongBlock) {
+ dbms::mysql::Statement* myStmt = static_cast <dbms::mysql::Statement*>(dbmsStmt);
+ a_blob->stmt = *myStmt;
+ a_blob->binds = myStmt->getBindResults();
+ a_blob->pos = pos;
+ bind->buffer_type = MYSQL_TYPE_BLOB;
+ bind->buffer = NULL;
+ bind->buffer_length = 0;
+ bind->length = &a_length;
+ }
+}
+
+/*
+ * Transfiere la información del los MYSQL_BIND del API C de MySQL a las
+ * estructuras dbms::Data de nuestro programa C++.
+ */
+void OutputBind::decode() const
+throw(RuntimeException) {
+ OutputBind* _this = const_cast <OutputBind*>(this);
+ char* str;
+ Data& data = _this->getData();
+ data.setNull(a_nullIndicator == true);
+
+ switch(data.getType()) {
+ case Data::Type::String:
+ str = (char*) data.getBuffer();
+
+ if(data.isNull() == true)
+ *str = 0;
+ else
+ dbms::String::strip(str);
+
+ break;
+ case Data::Type::Float:
+
+ if(data.isNull() == true)
+ static_cast <dbms::Float&>(data) = 0.0;
+
+ break;
+ case Data::Type::Date:
+ case Data::Type::TimeStamp:
+ _this->decodeDate(data);
+ break;
+ case Data::Type::Integer:
+ throw RuntimeException("anna::dbms::mysql::OutputBind::decode not implemented for Data::Type::Integer", ANNA_FILE_LOCATION);
+ break;
+ case Data::Type::ShortBlock:
+ throw RuntimeException("anna::dbms::mysql::OutputBind::decode not implemented for Data::Type::ShortBlock", ANNA_FILE_LOCATION);
+ break;
+ case Data::Type::LongBlock:
+
+ try {
+ _this->decodeLongBlob(data);
+ } catch(dbms::DatabaseException& edb) {
+ throw RuntimeException(edb);
+ }
+
+ break;
+ }
+}
+
+void OutputBind::do_write(const dbms::LongBlock&) const
+throw(RuntimeException, dbms::DatabaseException) {
+}
+
+/*
+ * El m�todo BaseBind::setupBind asocia� el contenido de la variable
+ * a_time al buffer de salida de la sentencia SQL, as� que el contenido
+ * de la columna est� contenido ah�. S�lo tendremos que copiar dichos
+ * contenidos en la variable C++ de nuestro entorno.
+ */
+void OutputBind::decodeDate(dbms::Data& data)
+throw() {
+ if(data.isNull() == true)
+ return;
+
+ Date& date = static_cast <Date&>(data);
+ date.setYear(a_time->year);
+ date.setMonth(a_time->month);
+ date.setDay(a_time->day);
+ date.setHour(a_time->hour);
+ date.setMinute(a_time->minute);
+ date.setSecond(a_time->second);
+
+ if(data.getType() == Data::Type::TimeStamp)
+ static_cast <dbms::TimeStamp&>(data).setFractionalSecond(a_time->second_part);
+}
+
+/*
+ * Según http://dev.mysql.com/doc/refman/4.1/en/mysql-stmt-fetch.html
+ *
+ * Recoge el contenido total de BLOB en partes que va componiendo sobre el
+ * DataBlock final asociado al anna::dbms::LongBlock sobre el que trabaja el
+ * programador final.
+ */
+void OutputBind::decodeLongBlob(dbms::Data& data) const
+throw(RuntimeException, dbms::DatabaseException) {
+ const int bufferSize = a_blob->buffer.getMaxSize();
+ st_mysql_bind& bind = a_blob->binds [a_blob->pos];
+ DataBlock& target = static_cast <dbms::LongBlock&>(data).getValue();
+ const int maxloop = *bind.length / bufferSize;
+ const int remainder = *bind.length % bufferSize;
+ int offset = 0;
+ target.clear();
+ bind.buffer = (void*) a_blob->buffer.getData();
+
+ for(int iloop = 0; iloop < maxloop; iloop ++) {
+ bind.buffer_length = bufferSize;
+ anna_dbms_mysql_check(
+ mysql_stmt_fetch_column(a_blob->stmt, a_blob->binds, a_blob->pos, offset), a_blob->stmt
+ );
+ target += DataBlock((const char*) bind.buffer, bind.buffer_length, false);
+ offset += bufferSize;
+ }
+
+ if(remainder) {
+ bind.buffer_length = remainder;
+ anna_dbms_mysql_check(
+ mysql_stmt_fetch_column(a_blob->stmt, a_blob->binds, a_blob->pos, offset), a_blob->stmt
+ );
+ target += DataBlock((const char*) bind.buffer, remainder, false);
+ }
+}
+
+OutputBind::Blob::Blob() :
+ buffer(true) {
+ buffer.allocate(64 * 1024);
+}