void CColumnInfo::buildDeserializeChildLoop(HqlCppTranslator & translator, BuildCtx & loopctx, IReferenceSelector * selector, IHqlExpression * helper, IAtom * serializeForm)
{
OwnedHqlExpr endMarker = loopctx.getTempDeclare(sizetType, NULL);
HqlExprArray args;
args.append(*LINK(helper));
OwnedHqlExpr beginCall = translator.bindTranslatedFunctionCall(deserializerBeginNestedId, args);
loopctx.addAssign(endMarker, beginCall);
args.append(*LINK(helper));
args.append(*LINK(endMarker));
OwnedHqlExpr loopCall = createBoolExpr(no_not, translator.bindTranslatedFunctionCall(deserializerFinishedNestedId, args));
loopctx.addLoop(loopCall, NULL, false);
}
IHqlExpression * addFilter(IHqlExpression * dataset, IHqlExpression * limitField)
{
IHqlExpression * lower = createConstant(limitField->queryType()->castFrom(true, (__int64)0));
lower = createValue(no_colon, lower, createValue(no_stored, createConstant(LOWER_LIMIT_ID)));
lower = createSymbol(createIdentifierAtom(LOWER_LIMIT_ID), lower, ob_private);
dataset = createDataset(no_filter, LINK(dataset), createBoolExpr(no_ge, LINK(limitField), lower));
IHqlExpression * upper = createConstant((int)DISKREAD_PAGE_SIZE);
upper = createValue(no_colon, upper, createValue(no_stored, createConstant(RECORD_LIMIT_ID)));
upper = createSymbol(createIdentifierAtom(RECORD_LIMIT_ID), upper, ob_private);
dataset = createDataset(no_choosen, dataset, upper);
dataset = createSymbol(createIdentifierAtom("_Filtered_"), dataset, ob_private);
return dataset;
}