github-code-scanning[bot] commented on code in PR #13887: URL: https://github.com/apache/druid/pull/13887#discussion_r1136661053
########## extensions-core/datasketches/src/main/java/org/apache/druid/query/aggregation/datasketches/tuple/sql/ArrayOfDoublesSketchSqlAggregator.java: ########## @@ -0,0 +1,191 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.druid.query.aggregation.datasketches.tuple.sql; + +import org.apache.calcite.rel.core.AggregateCall; +import org.apache.calcite.rel.core.Project; +import org.apache.calcite.rel.type.RelDataType; +import org.apache.calcite.rex.RexBuilder; +import org.apache.calcite.rex.RexLiteral; +import org.apache.calcite.rex.RexNode; +import org.apache.calcite.sql.SqlAggFunction; +import org.apache.calcite.sql.SqlFunctionCategory; +import org.apache.calcite.sql.SqlKind; +import org.apache.calcite.sql.type.InferTypes; +import org.apache.calcite.sql.type.OperandTypes; +import org.apache.calcite.util.Optionality; +import org.apache.datasketches.Util; +import org.apache.druid.java.util.common.ISE; +import org.apache.druid.query.aggregation.AggregatorFactory; +import org.apache.druid.query.aggregation.datasketches.tuple.ArrayOfDoublesSketchAggregatorFactory; +import org.apache.druid.query.dimension.DefaultDimensionSpec; +import org.apache.druid.query.dimension.DimensionSpec; +import org.apache.druid.segment.column.ColumnType; +import org.apache.druid.segment.column.RowSignature; +import org.apache.druid.segment.column.ValueType; +import org.apache.druid.sql.calcite.aggregation.Aggregation; +import org.apache.druid.sql.calcite.aggregation.SqlAggregator; +import org.apache.druid.sql.calcite.expression.DruidExpression; +import org.apache.druid.sql.calcite.expression.Expressions; +import org.apache.druid.sql.calcite.planner.Calcites; +import org.apache.druid.sql.calcite.planner.PlannerContext; +import org.apache.druid.sql.calcite.rel.VirtualColumnRegistry; + +import javax.annotation.Nullable; +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; + +public class ArrayOfDoublesSketchSqlAggregator implements SqlAggregator +{ + + private static final SqlAggFunction FUNCTION_INSTANCE = new ArrayOfDoublesSqlAggFunction(); + private static final String NAME = "ARRAY_OF_DOUBLES_SKETCH"; + + @Override + public SqlAggFunction calciteFunction() + { + return FUNCTION_INSTANCE; + } + + @Nullable + @Override + public Aggregation toDruidAggregation( + PlannerContext plannerContext, + RowSignature rowSignature, + VirtualColumnRegistry virtualColumnRegistry, + RexBuilder rexBuilder, + String name, + AggregateCall aggregateCall, + Project project, + List<Aggregation> existingAggregations, + boolean finalizeAggregations + ) + { + + final List<Integer> argList = aggregateCall.getArgList(); + + // check last argument for nomimalEntries + final int nominalEntries; + final int metricExpressionEndIndex; + final int lastArgIndex = argList.size() - 1; + final RexNode potentialNominalEntriesArg = Expressions.fromFieldAccess( + rowSignature, + project, + argList.get(lastArgIndex) + ); + + if (potentialNominalEntriesArg.isA(SqlKind.LITERAL) && + RexLiteral.value(potentialNominalEntriesArg) instanceof Number) { + + nominalEntries = ((Number) RexLiteral.value(potentialNominalEntriesArg)).intValue(); + metricExpressionEndIndex = lastArgIndex - 1; + } else { + nominalEntries = Util.DEFAULT_NOMINAL_ENTRIES; + metricExpressionEndIndex = lastArgIndex; + } + + final List<String> fieldNames = new ArrayList<>(); + for (int i = 0; i <= metricExpressionEndIndex; i++) { + final String fieldName; + + final RexNode columnRexNode = Expressions.fromFieldAccess( + rowSignature, + project, + argList.get(i) + ); Review Comment: ## Deprecated method or constructor invocation Invoking [Expressions.fromFieldAccess](1) should be avoided because it has been deprecated. [Show more details](https://github.com/apache/druid/security/code-scanning/4395) ########## extensions-core/datasketches/src/main/java/org/apache/druid/query/aggregation/datasketches/tuple/sql/ArrayOfDoublesSketchSqlAggregator.java: ########## @@ -0,0 +1,191 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +package org.apache.druid.query.aggregation.datasketches.tuple.sql; + +import org.apache.calcite.rel.core.AggregateCall; +import org.apache.calcite.rel.core.Project; +import org.apache.calcite.rel.type.RelDataType; +import org.apache.calcite.rex.RexBuilder; +import org.apache.calcite.rex.RexLiteral; +import org.apache.calcite.rex.RexNode; +import org.apache.calcite.sql.SqlAggFunction; +import org.apache.calcite.sql.SqlFunctionCategory; +import org.apache.calcite.sql.SqlKind; +import org.apache.calcite.sql.type.InferTypes; +import org.apache.calcite.sql.type.OperandTypes; +import org.apache.calcite.util.Optionality; +import org.apache.datasketches.Util; +import org.apache.druid.java.util.common.ISE; +import org.apache.druid.query.aggregation.AggregatorFactory; +import org.apache.druid.query.aggregation.datasketches.tuple.ArrayOfDoublesSketchAggregatorFactory; +import org.apache.druid.query.dimension.DefaultDimensionSpec; +import org.apache.druid.query.dimension.DimensionSpec; +import org.apache.druid.segment.column.ColumnType; +import org.apache.druid.segment.column.RowSignature; +import org.apache.druid.segment.column.ValueType; +import org.apache.druid.sql.calcite.aggregation.Aggregation; +import org.apache.druid.sql.calcite.aggregation.SqlAggregator; +import org.apache.druid.sql.calcite.expression.DruidExpression; +import org.apache.druid.sql.calcite.expression.Expressions; +import org.apache.druid.sql.calcite.planner.Calcites; +import org.apache.druid.sql.calcite.planner.PlannerContext; +import org.apache.druid.sql.calcite.rel.VirtualColumnRegistry; + +import javax.annotation.Nullable; +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; + +public class ArrayOfDoublesSketchSqlAggregator implements SqlAggregator +{ + + private static final SqlAggFunction FUNCTION_INSTANCE = new ArrayOfDoublesSqlAggFunction(); + private static final String NAME = "ARRAY_OF_DOUBLES_SKETCH"; + + @Override + public SqlAggFunction calciteFunction() + { + return FUNCTION_INSTANCE; + } + + @Nullable + @Override + public Aggregation toDruidAggregation( + PlannerContext plannerContext, + RowSignature rowSignature, + VirtualColumnRegistry virtualColumnRegistry, + RexBuilder rexBuilder, + String name, + AggregateCall aggregateCall, + Project project, + List<Aggregation> existingAggregations, + boolean finalizeAggregations + ) + { + + final List<Integer> argList = aggregateCall.getArgList(); + + // check last argument for nomimalEntries + final int nominalEntries; + final int metricExpressionEndIndex; + final int lastArgIndex = argList.size() - 1; + final RexNode potentialNominalEntriesArg = Expressions.fromFieldAccess( + rowSignature, + project, + argList.get(lastArgIndex) + ); Review Comment: ## Deprecated method or constructor invocation Invoking [Expressions.fromFieldAccess](1) should be avoided because it has been deprecated. 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