use of org.apache.beam.repackaged.core.org.apache.commons.lang3.mutable.MutableObject in project asterixdb by apache.
the class LangExpressionToPlanTranslator method aggListifyForSubquery.
protected Pair<ILogicalOperator, LogicalVariable> aggListifyForSubquery(LogicalVariable var, Mutable<ILogicalOperator> opRef, boolean bProject) {
AggregateFunctionCallExpression funAgg = BuiltinFunctions.makeAggregateFunctionExpression(BuiltinFunctions.LISTIFY, new ArrayList<>());
funAgg.getArguments().add(new MutableObject<>(new VariableReferenceExpression(var)));
LogicalVariable varListified = context.newSubplanOutputVar();
AggregateOperator agg = new AggregateOperator(mkSingletonArrayList(varListified), mkSingletonArrayList(new MutableObject<>(funAgg)));
agg.getInputs().add(opRef);
ILogicalOperator res;
if (bProject) {
ProjectOperator pr = new ProjectOperator(varListified);
pr.getInputs().add(new MutableObject<>(agg));
res = pr;
} else {
res = agg;
}
return new Pair<>(res, varListified);
}
use of org.apache.beam.repackaged.core.org.apache.commons.lang3.mutable.MutableObject in project asterixdb by apache.
the class LangExpressionToPlanTranslator method generateNoMatchedPrecedingWhenBranchesFilter.
// Generates the filter condition for whether a conditional branch should be executed.
protected Mutable<ILogicalExpression> generateNoMatchedPrecedingWhenBranchesFilter(List<ILogicalExpression> inputBooleanExprs) {
List<Mutable<ILogicalExpression>> arguments = new ArrayList<>();
for (ILogicalExpression inputBooleanExpr : inputBooleanExprs) {
// A NULL/MISSING valued WHEN expression does not lead to the corresponding THEN execution.
// Therefore, we should check a previous WHEN boolean condition is not unknown.
arguments.add(generateAndNotIsUnknownWrap(inputBooleanExpr));
}
Mutable<ILogicalExpression> hasBeenExecutedExprRef = new MutableObject<>(new ScalarFunctionCallExpression(FunctionUtil.getFunctionInfo(BuiltinFunctions.OR), arguments));
return new MutableObject<>(new ScalarFunctionCallExpression(FunctionUtil.getFunctionInfo(BuiltinFunctions.NOT), new ArrayList<>(Collections.singletonList(hasBeenExecutedExprRef))));
}
use of org.apache.beam.repackaged.core.org.apache.commons.lang3.mutable.MutableObject in project asterixdb by apache.
the class SqlppExpressionToPlanTranslator method processSelectClause.
// Generates the return expression for a select clause.
private Pair<ILogicalOperator, LogicalVariable> processSelectClause(SelectBlock selectBlock, Mutable<ILogicalOperator> tupSrc) throws CompilationException {
SelectClause selectClause = selectBlock.getSelectClause();
Expression returnExpr;
if (selectClause.selectElement()) {
returnExpr = selectClause.getSelectElement().getExpression();
} else {
returnExpr = generateReturnExpr(selectClause, selectBlock);
}
Pair<ILogicalExpression, Mutable<ILogicalOperator>> eo = langExprToAlgExpression(returnExpr, tupSrc);
LogicalVariable returnVar;
ILogicalOperator returnOperator;
if (returnExpr.getKind() == Kind.VARIABLE_EXPRESSION) {
VariableExpr varExpr = (VariableExpr) returnExpr;
returnOperator = eo.second.getValue();
returnVar = context.getVar(varExpr.getVar().getId());
} else {
returnVar = context.newVar();
returnOperator = new AssignOperator(returnVar, new MutableObject<ILogicalExpression>(eo.first));
returnOperator.getInputs().add(eo.second);
}
if (selectClause.distinct()) {
DistinctOperator distinctOperator = new DistinctOperator(mkSingletonArrayList(new MutableObject<ILogicalExpression>(new VariableReferenceExpression(returnVar))));
distinctOperator.getInputs().add(new MutableObject<ILogicalOperator>(returnOperator));
return new Pair<>(distinctOperator, returnVar);
} else {
return new Pair<>(returnOperator, returnVar);
}
}
use of org.apache.beam.repackaged.core.org.apache.commons.lang3.mutable.MutableObject in project asterixdb by apache.
the class SqlppExpressionToPlanTranslator method visit.
@Override
public Pair<ILogicalOperator, LogicalVariable> visit(FromTerm fromTerm, Mutable<ILogicalOperator> tupSource) throws CompilationException {
LogicalVariable fromVar = context.newVarFromExpression(fromTerm.getLeftVariable());
Expression fromExpr = fromTerm.getLeftExpression();
Pair<ILogicalExpression, Mutable<ILogicalOperator>> eo = langExprToAlgExpression(fromExpr, tupSource);
ILogicalOperator unnestOp;
if (fromTerm.hasPositionalVariable()) {
LogicalVariable pVar = context.newVarFromExpression(fromTerm.getPositionalVariable());
// We set the positional variable type as BIGINT type.
unnestOp = new UnnestOperator(fromVar, new MutableObject<ILogicalExpression>(makeUnnestExpression(eo.first)), pVar, BuiltinType.AINT64, new PositionWriter());
} else {
unnestOp = new UnnestOperator(fromVar, new MutableObject<ILogicalExpression>(makeUnnestExpression(eo.first)));
}
unnestOp.getInputs().add(eo.second);
// Processes joins, unnests, and nests.
Mutable<ILogicalOperator> topOpRef = new MutableObject<>(unnestOp);
if (fromTerm.hasCorrelateClauses()) {
for (AbstractBinaryCorrelateClause correlateClause : fromTerm.getCorrelateClauses()) {
if (correlateClause.getClauseType() == ClauseType.UNNEST_CLAUSE) {
// Correlation is allowed.
topOpRef = new MutableObject<>(correlateClause.accept(this, topOpRef).first);
} else {
// Correlation is dis-allowed.
uncorrelatedLeftBranchStack.push(topOpRef);
topOpRef = new MutableObject<>(correlateClause.accept(this, tupSource).first);
}
}
}
return new Pair<>(topOpRef.getValue(), fromVar);
}
use of org.apache.beam.repackaged.core.org.apache.commons.lang3.mutable.MutableObject in project asterixdb by apache.
the class AbstractDecorrelationRule method buildVarExprList.
protected void buildVarExprList(Collection<LogicalVariable> vars, IOptimizationContext context, GroupByOperator g, List<Pair<LogicalVariable, Mutable<ILogicalExpression>>> outVeList) throws AlgebricksException {
for (LogicalVariable ov : vars) {
LogicalVariable newVar = context.newVar();
ILogicalExpression varExpr = new VariableReferenceExpression(newVar);
outVeList.add(new Pair<LogicalVariable, Mutable<ILogicalExpression>>(ov, new MutableObject<ILogicalExpression>(varExpr)));
for (ILogicalPlan p : g.getNestedPlans()) {
for (Mutable<ILogicalOperator> r : p.getRoots()) {
OperatorManipulationUtil.substituteVarRec((AbstractLogicalOperator) r.getValue(), ov, newVar, true, context);
}
}
}
}
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