@Override
public Object evaluate(GenericUDF.DeferredObject[] arguments) throws HiveException {
String uriPath =
PrimitiveObjectInspectorUtils.getString(
arguments[0].get(), (PrimitiveObjectInspector) argumentsOI[0]);
String uriQuery =
PrimitiveObjectInspectorUtils.getString(
arguments[1].get(), (PrimitiveObjectInspector) argumentsOI[1]);
String contentType =
PrimitiveObjectInspectorUtils.getString(
arguments[2].get(), (PrimitiveObjectInspector) argumentsOI[2]);
String userAgent =
PrimitiveObjectInspectorUtils.getString(
arguments[3].get(), (PrimitiveObjectInspector) argumentsOI[3]);
String rawXAnalyticsHeader = "";
if (checkForXAnalytics) {
rawXAnalyticsHeader =
PrimitiveObjectInspectorUtils.getString(
arguments[4].get(), (PrimitiveObjectInspector) argumentsOI[4]);
}
return PageviewDefinition.getInstance()
.isAppPageview(uriPath, uriQuery, contentType, userAgent, rawXAnalyticsHeader);
}
@Override
public void merge(AggregationBuffer agg, Object partial) throws HiveException {
if (partial != null) {
SumLongAgg myagg = (SumLongAgg) agg;
myagg.empty = false;
if (isWindowingDistinct()) {
throw new HiveException(
"Distinct windowing UDAF doesn't support merge and terminatePartial");
} else {
myagg.sum += PrimitiveObjectInspectorUtils.getLong(partial, inputOI);
}
}
}
@Override
public void iterate(AggregationBuffer agg, Object[] parameters) throws HiveException {
assert (parameters.length == 1);
try {
if (isEligibleValue((SumLongAgg) agg, parameters[0])) {
((SumLongAgg) agg).empty = false;
((SumLongAgg) agg).sum += PrimitiveObjectInspectorUtils.getLong(parameters[0], inputOI);
}
} catch (NumberFormatException e) {
if (!warned) {
warned = true;
LOG.warn(getClass().getSimpleName() + " " + StringUtils.stringifyException(e));
}
}
}
@Override
public List<Text> evaluate(@Nonnull final DeferredObject[] arguments) throws HiveException {
result.clear();
final int size = arguments.length - 1;
for (int i = 0; i < size; i++) {
Object argument = arguments[i + 1].get();
if (argument == null) {
continue;
}
PrimitiveObjectInspector oi = inputOIs[i];
String s = PrimitiveObjectInspectorUtils.getString(argument, oi);
if (s.isEmpty()) {
continue;
}
// categorical feature representation
String featureName = featureNames[i];
Text f = new Text(featureName + '#' + s);
result.add(f);
}
return result;
}
private RexNode convert(final ExprNodeGenericFuncDesc func) throws SemanticException {
ExprNodeDesc tmpExprNode;
RexNode tmpRN;
List<RexNode> childRexNodeLst = new LinkedList<RexNode>();
Builder<RelDataType> argTypeBldr = ImmutableList.<RelDataType>builder();
// TODO: 1) Expand to other functions as needed 2) What about types other than primitive.
TypeInfo tgtDT = null;
GenericUDF tgtUdf = func.getGenericUDF();
boolean isNumeric =
(tgtUdf instanceof GenericUDFBaseBinary
&& func.getTypeInfo().getCategory() == Category.PRIMITIVE
&& (PrimitiveGrouping.NUMERIC_GROUP
== PrimitiveObjectInspectorUtils.getPrimitiveGrouping(
((PrimitiveTypeInfo) func.getTypeInfo()).getPrimitiveCategory())));
boolean isCompare = !isNumeric && tgtUdf instanceof GenericUDFBaseCompare;
if (isNumeric) {
tgtDT = func.getTypeInfo();
assert func.getChildren().size() == 2;
// TODO: checking 2 children is useless, compare already does that.
} else if (isCompare && (func.getChildren().size() == 2)) {
tgtDT =
FunctionRegistry.getCommonClassForComparison(
func.getChildren().get(0).getTypeInfo(), func.getChildren().get(1).getTypeInfo());
}
for (ExprNodeDesc childExpr : func.getChildren()) {
tmpExprNode = childExpr;
if (tgtDT != null
&& TypeInfoUtils.isConversionRequiredForComparison(tgtDT, childExpr.getTypeInfo())) {
if (isCompare) {
// For compare, we will convert requisite children
tmpExprNode = ParseUtils.createConversionCast(childExpr, (PrimitiveTypeInfo) tgtDT);
} else if (isNumeric) {
// For numeric, we'll do minimum necessary cast - if we cast to the type
// of expression, bad things will happen.
PrimitiveTypeInfo minArgType = ExprNodeDescUtils.deriveMinArgumentCast(childExpr, tgtDT);
tmpExprNode = ParseUtils.createConversionCast(childExpr, minArgType);
} else {
throw new AssertionError("Unexpected " + tgtDT + " - not a numeric op or compare");
}
}
argTypeBldr.add(TypeConverter.convert(tmpExprNode.getTypeInfo(), cluster.getTypeFactory()));
tmpRN = convert(tmpExprNode);
childRexNodeLst.add(tmpRN);
}
// See if this is an explicit cast.
RexNode expr = null;
RelDataType retType = null;
expr = handleExplicitCast(func, childRexNodeLst);
if (expr == null) {
// This is not a cast; process the function.
retType = TypeConverter.convert(func.getTypeInfo(), cluster.getTypeFactory());
SqlOperator calciteOp =
SqlFunctionConverter.getCalciteOperator(
func.getFuncText(), func.getGenericUDF(), argTypeBldr.build(), retType);
expr = cluster.getRexBuilder().makeCall(calciteOp, childRexNodeLst);
} else {
retType = expr.getType();
}
// TODO: Cast Function in Calcite have a bug where it infer type on cast throws
// an exception
if (flattenExpr
&& (expr instanceof RexCall)
&& !(((RexCall) expr).getOperator() instanceof SqlCastFunction)) {
RexCall call = (RexCall) expr;
expr =
cluster
.getRexBuilder()
.makeCall(
retType,
call.getOperator(),
RexUtil.flatten(call.getOperands(), call.getOperator()));
}
return expr;
}
public void validate() throws SemanticException {
if ((this.getCols() == null) || (this.getCols().size() == 0)) {
// for now make sure that serde exists
if (StringUtils.isEmpty(this.getSerName())
|| !SerDeUtils.shouldGetColsFromSerDe(this.getSerName())) {
throw new SemanticException(ErrorMsg.INVALID_TBL_DDL_SERDE.getMsg());
}
return;
}
if (this.getStorageHandler() == null) {
try {
Class<?> origin = Class.forName(this.getOutputFormat(), true, JavaUtils.getClassLoader());
Class<? extends HiveOutputFormat> replaced =
HiveFileFormatUtils.getOutputFormatSubstitute(origin);
if (replaced == null) {
throw new SemanticException(ErrorMsg.INVALID_OUTPUT_FORMAT_TYPE.getMsg());
}
} catch (ClassNotFoundException e) {
throw new SemanticException(ErrorMsg.INVALID_OUTPUT_FORMAT_TYPE.getMsg());
}
}
List<String> colNames = ParseUtils.validateColumnNameUniqueness(this.getCols());
if (this.getBucketCols() != null) {
// all columns in cluster and sort are valid columns
Iterator<String> bucketCols = this.getBucketCols().iterator();
while (bucketCols.hasNext()) {
String bucketCol = bucketCols.next();
boolean found = false;
Iterator<String> colNamesIter = colNames.iterator();
while (colNamesIter.hasNext()) {
String colName = colNamesIter.next();
if (bucketCol.equalsIgnoreCase(colName)) {
found = true;
break;
}
}
if (!found) {
throw new SemanticException(ErrorMsg.INVALID_COLUMN.getMsg());
}
}
}
if (this.getSortCols() != null) {
// all columns in cluster and sort are valid columns
Iterator<Order> sortCols = this.getSortCols().iterator();
while (sortCols.hasNext()) {
String sortCol = sortCols.next().getCol();
boolean found = false;
Iterator<String> colNamesIter = colNames.iterator();
while (colNamesIter.hasNext()) {
String colName = colNamesIter.next();
if (sortCol.equalsIgnoreCase(colName)) {
found = true;
break;
}
}
if (!found) {
throw new SemanticException(ErrorMsg.INVALID_COLUMN.getMsg());
}
}
}
if (this.getPartCols() != null) {
// there is no overlap between columns and partitioning columns
Iterator<FieldSchema> partColsIter = this.getPartCols().iterator();
while (partColsIter.hasNext()) {
FieldSchema fs = partColsIter.next();
String partCol = fs.getName();
PrimitiveObjectInspectorUtils.PrimitiveTypeEntry pte =
PrimitiveObjectInspectorUtils.getTypeEntryFromTypeName(fs.getType());
if (null == pte) {
throw new SemanticException(
ErrorMsg.PARTITION_COLUMN_NON_PRIMITIVE.getMsg()
+ " Found "
+ partCol
+ " of type: "
+ fs.getType());
}
Iterator<String> colNamesIter = colNames.iterator();
while (colNamesIter.hasNext()) {
String colName = BaseSemanticAnalyzer.unescapeIdentifier(colNamesIter.next());
if (partCol.equalsIgnoreCase(colName)) {
throw new SemanticException(ErrorMsg.COLUMN_REPEATED_IN_PARTITIONING_COLS.getMsg());
}
}
}
}
/* Validate skewed information. */
ValidationUtility.validateSkewedInformation(
colNames, this.getSkewedColNames(), this.getSkewedColValues());
}
