void CChildLimitedDatasetColumnInfo::buildDeserialize(HqlCppTranslator & translator, BuildCtx & ctx, IReferenceSelector * selector, IHqlExpression * helper, IAtom * serializeForm)
{
assertex(!column->isDictionary());
if (sizeField || !countField)
{
ctx.addQuoted("rtlFailUnexpected();");
return;
}
//NB: The serialized form of a dataset with an external count is not the same as a normal dataset
IHqlExpression * record = column->queryRecord();
if (recordRequiresSerialization(record, serializeForm) || !translator.isFixedRecordSize(record))
{
Owned<IHqlCppDatasetBuilder> builder = translator.createBlockedDatasetBuilder(column->queryRecord());
builder->buildDeclare(ctx);
buildDeserializeToBuilder(translator, ctx, builder, selector, helper, serializeForm);
CHqlBoundExpr bound;
builder->buildFinish(ctx, bound);
setColumnFromBuilder(translator, ctx, selector, builder);
}
else
CColumnInfo::buildDeserialize(translator, ctx, selector, helper, serializeForm);
}
void CChildDatasetColumnInfo::setColumn(HqlCppTranslator & translator, BuildCtx & ctx, IReferenceSelector * selector, IHqlExpression * _value)
{
OwnedHqlExpr addressSize = getColumnAddress(translator, ctx, selector, sizetType, 0);
OwnedHqlExpr addressData = getColumnAddress(translator, ctx, selector, queryType(), sizeof(size32_t));
OwnedHqlExpr lengthTarget = convertAddressToValue(addressSize, sizetType);
ITypeInfo * columnType = column->queryType();
OwnedHqlExpr value = LINK(_value); //ensureExprType(_value, columnType);
ITypeInfo * valueType = value->queryType();
assertRecordTypesMatch(valueType, columnType);
bool assignInline = false; // canEvaluateInline(value); // MORE: What is the test
// bool assignInline = canAssignInline(&ctx, value) && !canEvaluateInline(&ctx, value);
value.setown(addDatasetLimits(translator, ctx, selector, value));
IHqlExpression * record = column->queryRecord();
if (assignInline)
{
OwnedHqlExpr inlineSize = getSizetConstant(0);
checkAssignOk(translator, ctx, selector, inlineSize, sizeof(size32_t));
//Can only assign inline if we know the maximum length that will be assigned is 0.
Owned<IHqlCppDatasetBuilder> builder = translator.createInlineDatasetBuilder(record, inlineSize, addressData);
builder->buildDeclare(ctx);
translator.buildDatasetAssign(ctx, builder, value);
CHqlBoundTarget boundTarget;
boundTarget.length.set(lengthTarget);
builder->buildFinish(ctx, boundTarget);
}
else
{
CHqlBoundExpr bound;
translator.buildDataset(ctx, value, bound, FormatBlockedDataset);
translator.normalizeBoundExpr(ctx, bound);
ensureSimpleLength(translator, ctx, bound);
OwnedHqlExpr length = translator.getBoundLength(bound);
OwnedHqlExpr size = createValue(no_translated, LINK(sizetType), translator.getBoundSize(bound));
checkAssignOk(translator, ctx, selector, size, sizeof(size32_t));
translator.assignBoundToTemp(ctx, lengthTarget, length);
translator.buildBlockCopy(ctx, addressData, bound);
//Use the size just calculated for the field
OwnedHqlExpr sizeOfExpr = createValue(no_sizeof, LINK(sizetType), LINK(selector->queryExpr()));
OwnedHqlExpr boundSize = translator.getBoundSize(bound);
OwnedHqlExpr srcSize = adjustValue(boundSize, sizeof(size32_t));
ctx.associateExpr(sizeOfExpr, srcSize);
}
}
void CChildLimitedDatasetColumnInfo::setColumn(HqlCppTranslator & translator, BuildCtx & ctx, IReferenceSelector * selector, IHqlExpression * value)
{
if (sizeField)
translator.throwError(HQLERR_CannotCreateSizedChildDataset);
if (countField)
{
IHqlExpression * record = column->queryRecord();
OwnedHqlExpr mappedCount = replaceSelector(countField, querySelfReference(), selector->queryExpr()->queryChild(0));
Owned<IHqlCppDatasetBuilder> builder = translator.createLimitedDatasetBuilder(record, mappedCount);
builder->buildDeclare(ctx);
translator.buildDatasetAssign(ctx, builder, value);
setColumnFromBuilder(translator, ctx, selector, builder);
}
}
void CChildSetColumnInfo::setColumn(HqlCppTranslator & translator, BuildCtx & ctx, IReferenceSelector * selector, IHqlExpression * _value)
{
OwnedHqlExpr address = getColumnAddress(translator, ctx, selector, boolType, 0);
OwnedHqlExpr addressSize = getColumnAddress(translator, ctx, selector, sizetType, sizeof(bool));
OwnedHqlExpr addressData = getColumnAddress(translator, ctx, selector, queryType(), sizeof(bool)+sizeof(size32_t));
OwnedHqlExpr isAllTarget = convertAddressToValue(address, boolType);
OwnedHqlExpr lengthTarget = convertAddressToValue(addressSize, sizetType);
ITypeInfo * columnType = column->queryType();
ITypeInfo * elementType = columnType->queryChildType();
OwnedHqlExpr value = ensureExprType(_value, columnType);
OwnedHqlExpr inlineSize;
switch (value->getOperator())
{
case no_list:
if ((value->numChildren() != 0) && ::isFixedSize(elementType))
inlineSize.setown(getSizetConstant(value->numChildren() * elementType->getSize()));
break;
}
if (inlineSize)
{
checkAssignOk(translator, ctx, selector, inlineSize, sizeof(size32_t)+sizeof(bool));
Owned<IHqlCppSetBuilder> builder = translator.createInlineSetBuilder(elementType, isAllTarget, inlineSize, addressData);
builder->buildDeclare(ctx);
translator.buildSetAssign(ctx, builder, value);
CHqlBoundTarget boundTarget;
boundTarget.length.set(lengthTarget);
builder->buildFinish(ctx, boundTarget);
}
else
{
CHqlBoundExpr bound;
if ((value->getOperator() == no_list) && value->numChildren())
{
CHqlBoundTarget tempTarget;
translator.createTempFor(ctx, columnType, tempTarget, typemod_none, FormatNatural);
translator.buildExprAssign(ctx, tempTarget, value);
bound.setFromTarget(tempTarget);
}
else
translator.buildExpr(ctx, value, bound);
ensureSimpleLength(translator, ctx, bound);
OwnedHqlExpr isAll = bound.getIsAll();
OwnedHqlExpr length = translator.getBoundLength(bound);
OwnedHqlExpr size = createValue(no_translated, LINK(sizetType), translator.getBoundSize(bound));
checkAssignOk(translator, ctx, selector, size, sizeof(size32_t)+sizeof(bool));
translator.assignBoundToTemp(ctx, isAllTarget, isAll);
translator.assignBoundToTemp(ctx, lengthTarget, length);
translator.buildBlockCopy(ctx, addressData, bound);
ensureSimpleLength(translator, ctx, bound);
OwnedHqlExpr boundSize = translator.getBoundSize(bound);
associateSizeOf(ctx, selector, boundSize, sizeof(size32_t)+sizeof(bool));
}
}