ConcatArray::ConcatArray(ArrayDesc const& array, boost::shared_ptr<Array> const& left, boost::shared_ptr<Array> const& right)
: DelegateArray(array, left),
leftArray(left->getArrayDesc().getAttributes().size() == array.getAttributes().size() ? left : boost::shared_ptr<Array>(new NonEmptyableArray(left))),
rightArray(right->getArrayDesc().getAttributes().size() == array.getAttributes().size() ? right : boost::shared_ptr<Array>(new NonEmptyableArray(right))),
dims(desc.getDimensions())
{
Dimensions const& leftDimensions = left->getArrayDesc().getDimensions();
Dimensions const& rightDimensions = right->getArrayDesc().getDimensions();
lastLeft = leftDimensions[CONCAT_DIM].getEndMax();
firstRight = rightDimensions[CONCAT_DIM].getStartMin();
concatChunkInterval = leftDimensions[CONCAT_DIM].getChunkInterval() + leftDimensions[CONCAT_DIM].getChunkOverlap();
size_t nDims = leftDimensions.size();
if (leftDimensions[CONCAT_DIM].getChunkOverlap() != 0
|| leftDimensions[CONCAT_DIM].getLength() % leftDimensions[CONCAT_DIM].getChunkInterval() != 0)
{
simpleAppend = false;
}
else
{
simpleAppend = true;
for (size_t i = 0; i < nDims; i++) {
if (leftDimensions[i].getChunkInterval() != rightDimensions[i].getChunkInterval()
|| leftDimensions[i].getChunkOverlap() != rightDimensions[i].getChunkOverlap())
{
simpleAppend = false;
break;
}
}
}
}
RemoteArray::RemoteArray(const ArrayDesc& arrayDesc, QueryID queryId, InstanceID instanceID)
: StreamArray(arrayDesc), _queryId(queryId), _instanceID(instanceID),
_received(arrayDesc.getAttributes().size()),
_messages(arrayDesc.getAttributes().size()),
_requested(arrayDesc.getAttributes().size())
{
}
void fillUsedPlugins(const ArrayDesc& desc, vector<string>& plugins) const
{
for (size_t i = 0; i < desc.getAttributes().size(); i++) {
const string& libName = TypeLibrary::getTypeLibraries().getObjectLibrary(desc.getAttributes()[i].getType());
if (libName != "scidb")
plugins.push_back(libName);
}
}
RemoteMergedArray::RemoteMergedArray(const ArrayDesc& arrayDesc, QueryID queryId, Statistics& statistics):
MultiStreamArray(Query::getQueryByID(queryId)->getInstancesCount(), arrayDesc),
_queryId(queryId),
_received(arrayDesc.getAttributes().size(), vector<Semaphore>(getStreamsCount())),
_messages(arrayDesc.getAttributes().size(), vector< boost::shared_ptr<MessageDesc> >(getStreamsCount())),
_nextPositions(arrayDesc.getAttributes().size(), vector<Coordinates>(getStreamsCount())),
_hasPositions(arrayDesc.getAttributes().size(), vector<bool>(getStreamsCount(), false))
{
boost::shared_ptr<Query> query = Query::getQueryByID(queryId);
_localArray = query->getCurrentResultArray();
}
InputArray::InputArray(ArrayDesc const& array,
string const& format,
boost::shared_ptr<Query>& query,
bool emptyMode,
bool enforceDataIntegrity,
int64_t maxCnvErrors,
string const& shadowArrayName,
bool parallel)
: SinglePassArray(array),
_chunkLoader(ChunkLoader::create(format)),
_currChunkIndex(0),
strVal(TypeLibrary::getType(TID_STRING)),
emptyTagAttrID(array.getEmptyBitmapAttribute() != NULL
? array.getEmptyBitmapAttribute()->getId()
: INVALID_ATTRIBUTE_ID),
nLoadedCells(0),
nLoadedChunks(0),
nErrors(0),
maxErrors(maxCnvErrors),
state(emptyMode ? S_Empty : S_Normal),
nAttrs(array.getAttributes(true).size()),
parallelLoad(parallel),
_enforceDataIntegrity(enforceDataIntegrity)
{
SCIDB_ASSERT(query);
_query=query;
myInstanceID = query->getInstanceID();
SCIDB_ASSERT(_chunkLoader); // else inferSchema() messed up
_chunkLoader->bind(this, query);
if (!shadowArrayName.empty()) {
shadowArray.reset(new MemArray(generateShadowArraySchema(array, shadowArrayName), query));
}
}
MergeArray::MergeArray(ArrayDesc const& desc, vector< boost::shared_ptr<Array> > const& arrays)
: DelegateArray(desc, arrays[0]),
inputArrays(arrays)
{
for (size_t i = 0; i < inputArrays.size(); i++) {
if (inputArrays[i]->getArrayDesc().getAttributes().size() != desc.getAttributes().size()) {
inputArrays[i] = boost::shared_ptr<Array>(new NonEmptyableArray(inputArrays[i]));
}
}
}
ArrayDesc InputArray::generateShadowArraySchema(ArrayDesc const& targetArray, string const& shadowArrayName)
{
Attributes const& srcAttrs = targetArray.getAttributes(true);
size_t nAttrs = srcAttrs.size();
Attributes dstAttrs(nAttrs+2);
for (size_t i = 0; i < nAttrs; i++) {
dstAttrs[i] = AttributeDesc(i, srcAttrs[i].getName(), TID_STRING, AttributeDesc::IS_NULLABLE, 0);
}
dstAttrs[nAttrs] = AttributeDesc(nAttrs, "row_offset", TID_INT64, 0, 0);
dstAttrs[nAttrs+1] = AttributeDesc(nAttrs+1, DEFAULT_EMPTY_TAG_ATTRIBUTE_NAME,
TID_INDICATOR, AttributeDesc::IS_EMPTY_INDICATOR, 0);
return ArrayDesc(shadowArrayName, dstAttrs, targetArray.getDimensions());
}
ApplyArray::ApplyArray(ArrayDesc const& desc,
boost::shared_ptr<Array> const& array,
vector<shared_ptr<Expression> > expressions,
const boost::shared_ptr<Query>& query,
bool tile) :
DelegateArray(desc, array),
_expressions(expressions),
_attributeNullable(desc.getAttributes().size(), false),
_runInTileMode(desc.getAttributes().size(), tile),
_bindingSets(desc.getAttributes().size(), vector<BindInfo>(0))
{
assert(query);
_query=query;
for(size_t i =0; i<expressions.size(); i++)
{
_attributeNullable[i] = desc.getAttributes()[i].isNullable();
if (expressions[i].get())
{
_runInTileMode[i] = tile && expressions[i]->supportsTileMode();
_bindingSets[i]= expressions[i]->getBindings();
}
}
}
ScanRLEArray::ScanRLEArray(ArrayDesc const& arr, std::string path) :
RLEArray(arr), _dirPath(path), _maxChunkNo(0), logger(log4cxx::Logger::getLogger("scidb.query.ops.ScanRQArray"))
{
filesystem::path full_path = filesystem::system_complete(filesystem::path(_dirPath));
if (!filesystem::exists(full_path))
{
throw SYSTEM_EXCEPTION(SCIDB_SE_INTERNAL, SCIDB_LE_CANT_OPEN_PATH) << _dirPath;
}
if (!filesystem::is_directory(full_path))
{
throw SYSTEM_EXCEPTION(SCIDB_SE_INTERNAL, SCIDB_LE_DIRECTORY_EXPECTED) << _dirPath;
}
_maxChunkNo = arr.getNumberOfChunks() / arr.getAttributes().size();
}
FITSInputArray::FITSInputArray(ArrayDesc const& array, string const& filePath, uint32_t hdu, std::shared_ptr<Query>& query)
: parser(filePath),
hdu(hdu),
desc(array),
dims(array.getDimensions()),
nDims(dims.size()),
nAttrs(array.getAttributes(true).size()),
values(nAttrs),
chunks(nAttrs),
chunkIterators(nAttrs),
chunkIndex(0),
chunkPos(nDims),
query(query)
{
initValueHolders();
// Most initialization steps are only done later, when the first
// chunk is requested by an iterator. See getChunkByIndex()
}
inline ArrayDesc createWindowDesc(ArrayDesc const& desc)
{
Dimensions const& dims = desc.getDimensions();
Dimensions aggDims(dims.size());
for (size_t i = 0, n = dims.size(); i < n; i++)
{
DimensionDesc const& srcDim = dims[i];
aggDims[i] = DimensionDesc(srcDim.getBaseName(),
srcDim.getNamesAndAliases(),
srcDim.getStartMin(),
srcDim.getCurrStart(),
srcDim.getCurrEnd(),
srcDim.getEndMax(),
srcDim.getChunkInterval(),
0,
srcDim.getType(),
srcDim.getFlags(),
srcDim.getMappingArrayName(),
srcDim.getComment(),
srcDim.getFuncMapOffset(),
srcDim.getFuncMapScale());
}
ArrayDesc output (desc.getName(), Attributes(), aggDims);
for (size_t i = dims.size() * 2, size = _parameters.size(); i < size; i++)
{
addAggregatedAttribute( (shared_ptr <OperatorParamAggregateCall> &) _parameters[i], desc, output);
}
if ( desc.getEmptyBitmapAttribute())
{
AttributeDesc const* eAtt = desc.getEmptyBitmapAttribute();
output.addAttribute(AttributeDesc(output.getAttributes().size(), eAtt->getName(),
eAtt->getType(), eAtt->getFlags(), eAtt->getDefaultCompressionMethod()));
}
return output;
}
//param desc --> the input array schema
ArrayDesc createWindowDesc(ArrayDesc const& desc)
{
//get dimensions for output array
Attributes const &attrs = desc.getAttributes();
/*
Dimensions aggrDims(dims.size());
for (size_t i = 0; i < dims.size(); i++)
{
DimensionDesc const& srcDim = dims[i];
aggrDims[i] = DimensionDesc(srcDim.getBaseName(),
srcDim.getNamesAndAliases(),
srcDim.getStartMin(),
srcDim.getCurrStart(),
srcDim.getCurrEnd(),
srcDim.getEndMax(),
srcDim.getChunkInterval(),
0);
}
*/
Attributes newAttributes;
size_t n = 0;
for (size_t i=desc.getDimensions().size()*2; i < _parameters.size()-1; i=i+2)
{
const AttributeDesc &attr = attrs[((boost::shared_ptr<OperatorParamReference>&)_parameters[i])->getObjectNo()];
newAttributes.push_back(AttributeDesc(n, attr.getName(),
attr.getType(),
attr.getFlags(),
attr.getDefaultCompressionMethod(),
attr.getAliases()));
}
return ArrayDesc(desc.getName(), newAttributes, desc.getDimensions());
}
ArrayDesc inferSchema(std::vector< ArrayDesc> schemas, boost::shared_ptr< Query> query)
{
assert(schemas.size() == 1);
ArrayDesc const& srcDesc = schemas[0];
ArrayDesc dstDesc = ((boost::shared_ptr<OperatorParamSchema>&)_parameters[0])->getSchema();
//Compile a desc of all possible attributes (aggregate calls first) and source dimensions
ArrayDesc aggregationDesc (srcDesc.getName(), Attributes(), srcDesc.getDimensions());
vector<string> aggregatedNames;
//add aggregate calls first
for (size_t i = 1; i < _parameters.size(); i++)
{
addAggregatedAttribute( (shared_ptr <OperatorParamAggregateCall>&) _parameters[i], srcDesc, aggregationDesc);
string aggName = aggregationDesc.getAttributes()[aggregationDesc.getAttributes().size()-1].getName();
bool aggFound = false;
BOOST_FOREACH(const AttributeDesc &dstAttr, dstDesc.getAttributes()) {
if (dstAttr.getName() == aggName) {
aggFound = true;
break;
}
}
if (!aggFound) {
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_ATTRIBUTE_DOESNT_EXIST) << aggName << dstDesc.getName();
}
aggregatedNames.push_back(aggName);
}
//add other attributes
BOOST_FOREACH(const AttributeDesc &srcAttr, srcDesc.getAttributes())
{
//if there's an attribute with same name as an aggregate call - skip the attribute
bool found = false;
BOOST_FOREACH(const AttributeDesc &aggAttr, aggregationDesc.getAttributes())
{
if( aggAttr.getName() == srcAttr.getName())
{
found = true;
}
}
if (!found)
{
aggregationDesc.addAttribute(AttributeDesc( aggregationDesc.getAttributes().size(),
srcAttr.getName(),
srcAttr.getType(),
srcAttr.getFlags(),
srcAttr.getDefaultCompressionMethod(),
srcAttr.getAliases(),
&srcAttr.getDefaultValue(),
srcAttr.getDefaultValueExpr(),
srcAttr.getVarSize()));
}
}
//Ensure attributes names uniqueness.
if (!dstDesc.getEmptyBitmapAttribute())
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_OP_REDIMENSION_ERROR1);
BOOST_FOREACH(const AttributeDesc &dstAttr, dstDesc.getAttributes())
{
BOOST_FOREACH(const AttributeDesc &srcAttr, aggregationDesc.getAttributes())
{
if (srcAttr.getName() == dstAttr.getName())
{
if (srcAttr.getType() != dstAttr.getType())
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_ATTRIBUTE_TYPE)
<< srcAttr.getName() << srcAttr.getType() << dstAttr.getType();
}
if (!dstAttr.isNullable() && srcAttr.isNullable())
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_ATTRIBUTE_FLAGS)
<< srcAttr.getName();
}
goto NextAttr;
}
}
BOOST_FOREACH(const DimensionDesc &srcDim, aggregationDesc.getDimensions())
{
if (srcDim.hasNameAndAlias(dstAttr.getName()))
{
if (dstAttr.getType() != TID_INT64)
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_DESTINATION_ATTRIBUTE_TYPE)
<< dstAttr.getName() << TID_INT64;
}
if (dstAttr.getFlags() != 0)
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_DESTINATION_ATTRIBUTE_FLAGS)
<< dstAttr.getName();
}
goto NextAttr;
}
}
if (dstAttr.isEmptyIndicator() == false)
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_UNEXPECTED_DESTINATION_ATTRIBUTE)
<< dstAttr.getName();
}
NextAttr:;
}
Dimensions outputDims;
size_t nNewDims = 0;
BOOST_FOREACH(const DimensionDesc &dstDim, dstDesc.getDimensions())
{
if (dstDim.getChunkOverlap() > dstDim.getChunkInterval())
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_OVERLAP_CANT_BE_LARGER_CHUNK);
}
BOOST_FOREACH(const AttributeDesc &srcAttr, aggregationDesc.getAttributes())
{
if (dstDim.hasNameAndAlias(srcAttr.getName()))
{
for (size_t i = 0; i< aggregatedNames.size(); i++)
{
if (srcAttr.getName() == aggregatedNames[i])
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_OP_REDIMENSION_ERROR2);
}
if ( !IS_INTEGRAL(srcAttr.getType()) || srcAttr.getType() == TID_UINT64 )
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_SOURCE_ATTRIBUTE_TYPE)
<< srcAttr.getName() << TID_INT64;
}
outputDims.push_back(dstDim);
goto NextDim;
}
}
BOOST_FOREACH(const DimensionDesc &srcDim, aggregationDesc.getDimensions())
{
if (srcDim.hasNameAndAlias(dstDim.getBaseName()))
{
DimensionDesc outputDim = dstDim;
outputDims.push_back(outputDim);
goto NextDim;
}
}
//one synthetic dimension allowed
if (nNewDims++ != 0 || !aggregatedNames.empty() )
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_UNEXPECTED_DESTINATION_DIMENSION) << dstDim.getBaseName();
}
outputDims.push_back(dstDim);
NextDim:;
}
return ArrayDesc(srcDesc.getName(), dstDesc.getAttributes(), outputDims, dstDesc.getFlags());
}
ArrayDesc inferSchema(std::vector< ArrayDesc> schemas, boost::shared_ptr< Query> query)
{
assert(schemas.size() == 1);
ArrayDesc const& srcDesc = schemas[0];
ArrayDesc dstDesc = ((boost::shared_ptr<OperatorParamSchema>&)_parameters[0])->getSchema();
//Compile a desc of all possible attributes (aggregate calls first) and source dimensions
ArrayDesc aggregationDesc (srcDesc.getName(), Attributes(), srcDesc.getDimensions());
vector<string> aggregatedNames;
//add aggregate calls first
for (size_t i = 1; i < _parameters.size(); i++)
{
addAggregatedAttribute( (shared_ptr <OperatorParamAggregateCall>&) _parameters[i], srcDesc, aggregationDesc);
aggregatedNames.push_back(aggregationDesc.getAttributes()[aggregationDesc.getAttributes().size()-1].getName());
}
//add other attributes
BOOST_FOREACH(const AttributeDesc &srcAttr, srcDesc.getAttributes())
{
//if there's an attribute with same name as an aggregate call - skip the attribute
bool found = false;
BOOST_FOREACH(const AttributeDesc &aggAttr, aggregationDesc.getAttributes())
{
if( aggAttr.getName() == srcAttr.getName())
{
found = true;
}
}
if (!found)
{
aggregationDesc.addAttribute(AttributeDesc( aggregationDesc.getAttributes().size(),
srcAttr.getName(),
srcAttr.getType(),
srcAttr.getFlags(),
srcAttr.getDefaultCompressionMethod(),
srcAttr.getAliases(),
&srcAttr.getDefaultValue(),
srcAttr.getDefaultValueExpr(),
srcAttr.getComment(),
srcAttr.getVarSize()));
}
}
//Ensure attributes names uniqueness.
if (!dstDesc.getEmptyBitmapAttribute())
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_OP_REDIMENSION_ERROR1);
BOOST_FOREACH(const AttributeDesc &dstAttr, dstDesc.getAttributes())
{
BOOST_FOREACH(const AttributeDesc &srcAttr, aggregationDesc.getAttributes())
{
if (srcAttr.getName() == dstAttr.getName())
{
if (srcAttr.getType() != dstAttr.getType())
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_ATTRIBUTE_TYPE)
<< srcAttr.getName() << srcAttr.getType() << dstAttr.getType();
}
if (!dstAttr.isNullable() && srcAttr.isNullable())
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_ATTRIBUTE_FLAGS)
<< srcAttr.getName();
}
goto NextAttr;
}
}
BOOST_FOREACH(const DimensionDesc &srcDim, aggregationDesc.getDimensions())
{
if (srcDim.hasNameOrAlias(dstAttr.getName()))
{
if (dstAttr.getType() != TID_INT64)
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_DESTINATION_ATTRIBUTE_TYPE)
<< dstAttr.getName() << TID_INT64;
}
if (srcDim.getType() != TID_INT64)
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_SOURCE_DIMENSION_TYPE)
<< dstAttr.getName() << TID_INT64;
}
if (dstAttr.getFlags() != 0)
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_DESTINATION_ATTRIBUTE_FLAGS)
<< dstAttr.getName();
}
goto NextAttr;
}
}
if (dstAttr.isEmptyIndicator() == false)
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_UNEXPECTED_DESTINATION_ATTRIBUTE)
<< dstAttr.getName();
}
NextAttr:;
}
BOOST_FOREACH(const DimensionDesc &dstDim, dstDesc.getDimensions())
{
if (dstDim.getChunkOverlap() != 0)
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_OP_REDIMENSION_STORE_ERROR3);
BOOST_FOREACH(const AttributeDesc &srcAttr, aggregationDesc.getAttributes())
{
if (dstDim.hasNameOrAlias(srcAttr.getName()))
{
for (size_t i = 0; i< aggregatedNames.size(); i++)
{
if (srcAttr.getName() == aggregatedNames[i])
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_OP_REDIMENSION_ERROR2);
}
if (srcAttr.getType() != TID_INT64)
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_SOURCE_ATTRIBUTE_TYPE)
<< srcAttr.getName() << TID_INT64;
}
if (srcAttr.getFlags() != 0)
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_SOURCE_ATTRIBUTE_FLAGS)
<< srcAttr.getName() << TID_INT64;
}
if (dstDim.getType() != TID_INT64)
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_DESTINATION_DIMENSION_TYPE)
<< srcAttr.getName() << TID_INT64;
}
goto NextDim;
}
}
BOOST_FOREACH(const DimensionDesc &srcDim, aggregationDesc.getDimensions())
{
if (srcDim.hasNameOrAlias(dstDim.getBaseName()))
{
if (dstDim.getType() != srcDim.getType() ||
dstDim.getStart() != srcDim.getStart() ||
dstDim.getLength() != srcDim.getLength() ||
dstDim.getChunkInterval() != srcDim.getChunkInterval())
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_DIMENSIONS_DONT_MATCH)
<< srcDim.getBaseName() << dstDim.getBaseName();
}
goto NextDim;
}
}
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_UNEXPECTED_DESTINATION_DIMENSION) << dstDim.getBaseName();
NextDim:;
}
return ArrayDesc(srcDesc.getName()+"_redimension", dstDesc.getAttributes(), dstDesc.getDimensions(), dstDesc.getFlags());
}
inline bool hasSingleAttribute(ArrayDesc const& desc)
{
return desc.getAttributes().size() == 1 || (desc.getAttributes().size() == 2 && desc.getAttributes()[1].isEmptyIndicator());
}
/**
* Perform operator-specific checks of input and return the shape of the output. Currently,
* the output array must exist.
* @param schemas the shapes of the input arrays
* @param query the query context
*/
ArrayDesc inferSchema(std::vector< ArrayDesc> schemas, shared_ptr< Query> query)
{
assert(schemas.size() == 1);
assert(_parameters.size() == 1);
string arrayName = ((shared_ptr<OperatorParamReference>&)_parameters[0])->getObjectName();
ArrayDesc const& srcDesc = schemas[0];
//Ensure attributes names uniqueness.
ArrayDesc dstDesc;
if (!SystemCatalog::getInstance()->getArrayDesc(arrayName, dstDesc, false))
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_ARRAY_DOESNT_EXIST) << arrayName;
}
if(dstDesc.isImmutable())
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_ILLEGAL_OPERATION)
<< "Target of INSERT must be a mutable array";
}
Dimensions const& srcDims = srcDesc.getDimensions();
Dimensions const& dstDims = dstDesc.getDimensions();
if (srcDims.size() != dstDims.size())
{
//TODO: this will get lifted when we allow redimension+insert in the same op
//and when we DO implement redimension+insert - we will need to match attributes/dimensions by name, not position.
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_ILLEGAL_OPERATION)
<< "Temporary restriction: target of INSERT must have same dimensions as the source";
}
for (size_t i = 0, n = srcDims.size(); i < n; i++)
{
if( srcDims[i].getType() != TID_INT64 || dstDims[i].getType() != TID_INT64)
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_ILLEGAL_OPERATION)
<< "Temporary restriction: INSERT only supports integer dimensions";
}
//TODO: we can also allow arrays that are smaller whose length is not evenly divided by chunk interval
//but then we have to detect "edge chunks" and rewrite them cleverly
if( srcDims[i].getStartMin() != dstDims[i].getStartMin() ||
srcDims[i].getChunkInterval() != dstDims[i].getChunkInterval() ||
srcDims[i].getChunkOverlap() != dstDims[i].getChunkOverlap() ||
srcDims[i].getEndMax() > dstDims[i].getEndMax() ||
( srcDims[i].getEndMax() < dstDims[i].getEndMax() &&
srcDims[i].getLength() % srcDims[i].getChunkInterval() != 0))
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_DIMENSIONS_DONT_MATCH)
<< srcDims[i].getBaseName() << dstDims[i].getBaseName();
}
}
Attributes const& srcAttrs = srcDesc.getAttributes(true);
Attributes const& dstAttrs = dstDesc.getAttributes(true);
if (srcAttrs.size() != dstAttrs.size())
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_ILLEGAL_OPERATION)
<< "Temporary restriction: target of INSERT must have same attributes as the source";
}
for (size_t i = 0, n = srcAttrs.size(); i < n; i++)
{
if(srcAttrs[i].getType() != dstAttrs[i].getType())
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_ATTRIBUTE_TYPE)
<< srcAttrs[i].getName() << srcAttrs[i].getType() << dstAttrs[i].getType();
}
//can't store nulls into a non-nullable attribute
if(!dstAttrs[i].isNullable() && srcAttrs[i].isNullable())
{
throw USER_EXCEPTION(SCIDB_SE_INFER_SCHEMA, SCIDB_LE_WRONG_ATTRIBUTE_FLAGS)
<< srcAttrs[i].getName();
}
}
//Note: let us NOT add arrayID numbers to the schema - because we do not have our ArrayID yet.
//We will get our ArrayID when we execute and create the array. Until then - don't bother.
//Old store code adds the arrayID to the schema - but that's the arrayID of the previous version,
//not the new version created by the op. A dangerous fallacy - stupid and unnecessary.
return ArrayDesc(arrayName, dstDesc.getAttributes(), dstDesc.getDimensions(), dstDesc.getFlags());
}