本文整理汇总了C++中db::Result::getBinary方法的典型用法代码示例。如果您正苦于以下问题：C++ Result::getBinary方法的具体用法？C++ Result::getBinary怎么用？C++ Result::getBinary使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类db::Result的用法示例。
在下文中一共展示了Result::getBinary方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: can_update_blob_attribute_bound_value
void test_a_db_with_a_connection_with_tables::can_update_blob_attribute_bound_value()
{
// insert new object
DB::Statement statement = connection->prepare(
"insert into object default values");
CPPUNIT_ASSERT(statement.isValid());
CPPUNIT_ASSERT(connection->execute(statement));
long long object_id = connection->lastInsertRowId();
CPPUNIT_ASSERT(object_id != 0);
// insert blob attribute
statement = connection->prepare(
"insert into attribute_blob (value,type,object_id) values (X'012345',%d,%lld)",
1236,
object_id);
CPPUNIT_ASSERT(statement.isValid());
CPPUNIT_ASSERT(connection->execute(statement));
// prepare update blob attribute statement
statement = connection->prepare(
"update attribute_blob set value=? where type=%d and object_id=%lld",
1236,
object_id);
CPPUNIT_ASSERT(statement.isValid());
// bind blob (with embedded zero!) to the parameter
const char data[] = {10,11,0,12,13,14,15,16};
std::string msg(data,sizeof(data));
CPPUNIT_ASSERT(DB::Bindings(statement).bindBlob(1,msg.data(),msg.size(),NULL));
// update the blob value of the attribute
CPPUNIT_ASSERT(connection->execute(statement));
// retrieve the blob value from the attribute
statement = connection->prepare(
"select value from attribute_blob as t where t.type=%d and t.object_id=%lld",
1236,
object_id);
CPPUNIT_ASSERT(statement.isValid());
DB::Result result = connection->perform(statement);
CPPUNIT_ASSERT(result.isValid());
// check that the retrieved blob value matches the original data.
CPPUNIT_ASSERT_EQUAL(result.getFieldLength(1), sizeof(data));
std::string msgstored((const char *)result.getBinary(1),result.getFieldLength(1));
CPPUNIT_ASSERT_EQUAL(msg, msgstored);
}示例2: OSAttribute
//.........这里部分代码省略.........
}
it->second = new OSAttribute(value);
attr = it->second;
}
else
{
attr = new OSAttribute(value);
(*attrs)[type] = attr;
}
return attr;
}
case akBinary:
{
// try to find the attribute in the binary attribute table
DB::Statement statement = _connection->prepare(
"select value from attribute_binary where type=%lu and object_id=%lld",
type,
_objectId);
if (!statement.isValid())
{
return NULL;
}
DB::Result result = _connection->perform(statement);
if (!result.isValid())
{
return NULL;
}
// Store the attribute in the transaction when it is active.
std::map<CK_ATTRIBUTE_TYPE,OSAttribute*> *attrs = &_attributes;
if (_transaction)
attrs = _transaction;
const unsigned char *value = result.getBinary(1);
size_t size = result.getFieldLength(1);
std::map<CK_ATTRIBUTE_TYPE,OSAttribute*>::iterator it = attrs->find(type);
OSAttribute *attr;
if (it != attrs->end())
{
if (it->second != NULL)
{
delete it->second;
}
it->second = new OSAttribute(ByteString(value,size));
attr = it->second;
}
else
{
attr = new OSAttribute(ByteString(value,size));
(*attrs)[type] = attr;
return attr;
}
return attr;
}
case akMechSet:
{
// try to find the attribute in the binary attribute table
DB::Statement statement = _connection->prepare(
"select value from attribute_binary where type=%lu and object_id=%lld",
type,
_objectId);
if (!statement.isValid())
{
return NULL;
}