+++ /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);
-}
projects / anna.git / blobdiff