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added bulk, removed step

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This commit is contained in:
Aleksandar Fabijanic
2007-12-16 17:44:46 +00:00
parent 33ed26b48b
commit c26de87394
62 changed files with 4399 additions and 1285 deletions
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39
Data/src/StatementImpl.cpp
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@@ -59,7 +59,6 @@ const std::string StatementImpl::LIST = "list";
const std::string StatementImpl::DEQUE = "deque";
const std::string StatementImpl::UNKNOWN = "unknown";
StatementImpl::StatementImpl(SessionImpl& rSession):
_state(ST_INITIALIZED),
_extrLimit(upperLimit((Poco::UInt32) Limit::LIMIT_UNLIMITED, false)),
@@ -70,7 +69,8 @@ StatementImpl::StatementImpl(SessionImpl& rSession):
_ostr(),
_bindings(),
_curDataSet(0),
_step(1u)
_bulkBinding(BULK_UNDEFINED),
_bulkExtraction(BULK_UNDEFINED)
{
_extractors.resize(1);
}
@@ -94,9 +94,8 @@ Poco::UInt32 StatementImpl::execute()
lim = executeWithLimit();
if (lim < _lowerLimit)
{
throw LimitException("Did not receive enough data.");
}
return lim;
}
@@ -106,16 +105,17 @@ Poco::UInt32 StatementImpl::executeWithLimit()
poco_assert (_state != ST_DONE);
compile();
Poco::UInt32 count = 0;
Poco::UInt32 limit = _extrLimit.value();
do
{
bind();
while (hasNext() && count < _extrLimit.value())
while (count < limit && hasNext())
count += next();
} while (canBind());
if (!canBind() && (!hasNext() || _extrLimit.value() == 0))
} while (count < limit && canBind());
if (!canBind() && (!hasNext() || limit == 0))
_state = ST_DONE;
else if (hasNext() && _extrLimit.value() == count && _extrLimit.isHardLimit())
else if (hasNext() && limit == count && _extrLimit.isHardLimit())
throw LimitException("HardLimit reached. We got more data than we asked for");
else
_state = ST_PAUSED;
@@ -176,12 +176,8 @@ void StatementImpl::bind()
{
if (!hasNext())
{
if (canBind())
{
bindImpl();
}
else
_state = ST_DONE;
if (canBind()) bindImpl();
else _state = ST_DONE;
}
}
}
@@ -203,6 +199,17 @@ void StatementImpl::setExtractionLimit(const Limit& extrLimit)
}
void StatementImpl::setBulkExtraction(const Bulk& b)
{
Poco::UInt32 limit = getExtractionLimit();
if (Limit::LIMIT_UNLIMITED != limit && b.size() != limit)
throw InvalidArgumentException("Can not set limit for statement.");
setExtractionLimit(b.limit());
_bulkExtraction = BULK_EXTRACTION;
}
void StatementImpl::fixupExtraction()
{
Poco::Data::AbstractExtractionVec::iterator it = extractions().begin();
@@ -339,7 +346,7 @@ Poco::UInt32 StatementImpl::activateNextDataSet()
if (_curDataSet + 1 < dataSetCount())
return ++_curDataSet;
else
throw InvalidAccessException("End of data sets reached.");
throw NoDataException("End of data sets reached.");
}