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::setColumnFromBuilder(HqlCppTranslator & translator, BuildCtx & ctx, IReferenceSelector * selector, IHqlCppDatasetBuilder * builder) { CHqlBoundExpr bound; builder->buildFinish(ctx, bound); if (bound.length) bound.length.setown(translator.ensureSimpleTranslatedExpr(ctx, bound.length)); OwnedHqlExpr size = createValue(no_translated, LINK(sizetType), translator.getBoundSize(bound)); checkAssignOk(translator, ctx, selector, size, 0); OwnedHqlExpr addressData = getColumnAddress(translator, ctx, selector, queryType(), 0); translator.buildBlockCopy(ctx, addressData, bound); //Use the size just calculated for the field OwnedHqlExpr sizeOfExpr = createValue(no_sizeof, LINK(sizetType), LINK(selector->queryExpr())); OwnedHqlExpr srcSize = translator.getBoundSize(bound); ctx.associateExpr(sizeOfExpr, srcSize); }
void CChildSetColumnInfo::buildDeserialize(HqlCppTranslator & translator, BuildCtx & ctx, IReferenceSelector * selector, IHqlExpression * helper, IAtom * serializeForm) { 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)); size32_t sizeExtra = sizeof(bool)+sizeof(size32_t); //Read the all flag and the size OwnedHqlExpr sizeAllSizet = getSizetConstant(sizeExtra); callDeserializeGetN(translator, ctx, helper, sizeAllSizet, address); OwnedHqlExpr targetSize = convertAddressToValue(addressSize, sizetType); OwnedHqlExpr unboundSize = createTranslated(targetSize); checkAssignOk(translator, ctx, selector, unboundSize, sizeExtra); callDeserializeGetN(translator, ctx, helper, targetSize, addressData); OwnedHqlExpr sizeOfExpr = createValue(no_sizeof, LINK(sizetType), LINK(selector->queryExpr())); OwnedHqlExpr srcSize = adjustValue(targetSize, sizeExtra); ctx.associateExpr(sizeOfExpr, srcSize); }
void CChildDatasetColumnInfo::buildDeserialize(HqlCppTranslator & translator, BuildCtx & ctx, IReferenceSelector * selector, IHqlExpression * helper, IAtom * serializeForm) { IHqlExpression * record = column->queryRecord(); assertex(!recordRequiresLinkCount(record)); // Why would it? if (column->isDictionary()) { if (serializeForm == diskAtom) { //If we ever generate the meta definition for an internal serialization format then the following needs to be implemented UNIMPLEMENTED_X("deserialize serialized dictionary from disk"); return; } } if (isConditional()) checkAssignOk(translator, ctx, selector, queryZero(), sizeof(size32_t)); OwnedHqlExpr addressSize = getColumnAddress(translator, ctx, selector, sizetType, 0); OwnedHqlExpr addressData = getColumnAddress(translator, ctx, selector, queryType(), sizeof(size32_t)); //Read the all flag and the size OwnedHqlExpr sizeSizet = getSizetConstant(sizeof(size32_t)); callDeserializeGetN(translator, ctx, helper, sizeSizet, addressSize); OwnedHqlExpr targetSize = convertAddressToValue(addressSize, sizetType); OwnedHqlExpr simpleSize = translator.ensureSimpleTranslatedExpr(ctx, targetSize); OwnedHqlExpr unboundSize = createTranslated(simpleSize); checkAssignOk(translator, ctx, selector, unboundSize, sizeof(size32_t)); callDeserializeGetN(translator, ctx, helper, simpleSize, addressData); OwnedHqlExpr sizeOfExpr = createValue(no_sizeof, LINK(sizetType), LINK(selector->queryExpr())); OwnedHqlExpr srcSize = adjustValue(simpleSize, sizeof(size32_t)); ctx.associateExpr(sizeOfExpr, srcSize); }