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This PR is a follow-up to #13819 so that the Tuple sketch functionality can be used in SQL for both ingestion using Multi-Stage Queries (MSQ) and also for analytic queries against Tuple sketch columns.
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95 changes: 95 additions & 0 deletions
95
...tion/datasketches/tuple/sql/ArrayOfDoublesSketchMetricsSumEstimateOperatorConversion.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
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| package org.apache.druid.query.aggregation.datasketches.tuple.sql; | ||
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| import org.apache.calcite.rex.RexCall; | ||
| import org.apache.calcite.rex.RexNode; | ||
| import org.apache.calcite.sql.SqlFunction; | ||
| import org.apache.calcite.sql.SqlOperator; | ||
| import org.apache.calcite.sql.type.SqlTypeFamily; | ||
| import org.apache.calcite.sql.type.SqlTypeName; | ||
| import org.apache.druid.java.util.common.StringUtils; | ||
| import org.apache.druid.query.aggregation.PostAggregator; | ||
| import org.apache.druid.query.aggregation.datasketches.tuple.ArrayOfDoublesSketchToMetricsSumEstimatePostAggregator; | ||
| import org.apache.druid.segment.column.RowSignature; | ||
| import org.apache.druid.sql.calcite.expression.DruidExpression; | ||
| import org.apache.druid.sql.calcite.expression.OperatorConversions; | ||
| import org.apache.druid.sql.calcite.expression.PostAggregatorVisitor; | ||
| import org.apache.druid.sql.calcite.expression.SqlOperatorConversion; | ||
| import org.apache.druid.sql.calcite.planner.PlannerContext; | ||
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|
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| import javax.annotation.Nullable; | ||
| import java.util.List; | ||
|
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| public class ArrayOfDoublesSketchMetricsSumEstimateOperatorConversion implements SqlOperatorConversion | ||
| { | ||
| private static final String FUNCTION_NAME = "DS_TUPLE_DOUBLES_METRICS_SUM_ESTIMATE"; | ||
| private static final SqlFunction SQL_FUNCTION = OperatorConversions | ||
| .operatorBuilder(StringUtils.toUpperCase(FUNCTION_NAME)) | ||
| .operandTypes(SqlTypeFamily.ANY) | ||
| .returnTypeNullableArrayWithNullableElements(SqlTypeName.DOUBLE) | ||
| .build(); | ||
|
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|
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| @Override | ||
| public SqlOperator calciteOperator() | ||
| { | ||
| return SQL_FUNCTION; | ||
| } | ||
|
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| @Override | ||
| public DruidExpression toDruidExpression( | ||
| PlannerContext plannerContext, | ||
| RowSignature rowSignature, | ||
| RexNode rexNode | ||
| ) | ||
| { | ||
| return null; | ||
| } | ||
|
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||
| @Nullable | ||
| @Override | ||
| public PostAggregator toPostAggregator( | ||
| PlannerContext plannerContext, | ||
| RowSignature rowSignature, | ||
| RexNode rexNode, | ||
| PostAggregatorVisitor postAggregatorVisitor | ||
| ) | ||
| { | ||
| final List<RexNode> operands = ((RexCall) rexNode).getOperands(); | ||
| final PostAggregator firstOperand = OperatorConversions.toPostAggregator( | ||
| plannerContext, | ||
| rowSignature, | ||
| operands.get(0), | ||
| postAggregatorVisitor, | ||
| true | ||
| ); | ||
|
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| if (firstOperand == null) { | ||
| return null; | ||
| } | ||
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| return new ArrayOfDoublesSketchToMetricsSumEstimatePostAggregator( | ||
| postAggregatorVisitor.getOutputNamePrefix() + postAggregatorVisitor.getAndIncrementCounter(), | ||
| firstOperand | ||
| ); | ||
| } | ||
|
|
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| } |
144 changes: 144 additions & 0 deletions
144
...ery/aggregation/datasketches/tuple/sql/ArrayOfDoublesSketchSetBaseOperatorConversion.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,144 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
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| package org.apache.druid.query.aggregation.datasketches.tuple.sql; | ||
|
|
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| import org.apache.calcite.rex.RexCall; | ||
| import org.apache.calcite.rex.RexLiteral; | ||
| import org.apache.calcite.rex.RexNode; | ||
| import org.apache.calcite.sql.SqlFunction; | ||
| import org.apache.calcite.sql.SqlFunctionCategory; | ||
| import org.apache.calcite.sql.SqlKind; | ||
| import org.apache.calcite.sql.SqlOperator; | ||
| import org.apache.calcite.sql.type.OperandTypes; | ||
| import org.apache.calcite.sql.type.SqlOperandCountRanges; | ||
| import org.apache.datasketches.Util; | ||
| import org.apache.druid.java.util.common.StringUtils; | ||
| import org.apache.druid.query.aggregation.PostAggregator; | ||
| import org.apache.druid.query.aggregation.datasketches.tuple.ArrayOfDoublesSketchSetOpPostAggregator; | ||
| import org.apache.druid.segment.column.RowSignature; | ||
| import org.apache.druid.sql.calcite.expression.DruidExpression; | ||
| import org.apache.druid.sql.calcite.expression.OperatorConversions; | ||
| import org.apache.druid.sql.calcite.expression.PostAggregatorVisitor; | ||
| import org.apache.druid.sql.calcite.expression.SqlOperatorConversion; | ||
| import org.apache.druid.sql.calcite.planner.PlannerContext; | ||
|
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| import javax.annotation.Nullable; | ||
| import java.util.ArrayList; | ||
| import java.util.List; | ||
|
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| public abstract class ArrayOfDoublesSketchSetBaseOperatorConversion implements SqlOperatorConversion | ||
| { | ||
| public ArrayOfDoublesSketchSetBaseOperatorConversion() | ||
| { | ||
| } | ||
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| @Override | ||
| public SqlOperator calciteOperator() | ||
| { | ||
| return makeSqlFunction(); | ||
| } | ||
|
|
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| @Nullable | ||
| @Override | ||
| public DruidExpression toDruidExpression( | ||
| PlannerContext plannerContext, | ||
| RowSignature rowSignature, | ||
| RexNode rexNode | ||
| ) | ||
| { | ||
| plannerContext.setPlanningError("%s can only be used on aggregates. " + | ||
| "It cannot be used directly on a column or on a scalar expression.", getFunctionName()); | ||
| return null; | ||
| } | ||
|
|
||
| @Nullable | ||
| @Override | ||
| public PostAggregator toPostAggregator( | ||
| PlannerContext plannerContext, | ||
| RowSignature rowSignature, | ||
| RexNode rexNode, | ||
| PostAggregatorVisitor postAggregatorVisitor | ||
| ) | ||
| { | ||
| final List<RexNode> operands = ((RexCall) rexNode).getOperands(); | ||
| final List<PostAggregator> inputPostAggs = new ArrayList<>(); | ||
| final int nominalEntries; | ||
| Integer numberOfvalues = null; | ||
|
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| final int metricExpressionEndIndex; | ||
| final int lastArgIndex = operands.size() - 1; | ||
| final RexNode potentialNominalEntriesArg = operands.get(lastArgIndex); | ||
|
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| if (potentialNominalEntriesArg.isA(SqlKind.LITERAL) && | ||
| RexLiteral.value(potentialNominalEntriesArg) instanceof Number) { | ||
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| nominalEntries = ((Number) RexLiteral.value(potentialNominalEntriesArg)).intValue(); | ||
| metricExpressionEndIndex = lastArgIndex - 1; | ||
| } else { | ||
| nominalEntries = Util.DEFAULT_NOMINAL_ENTRIES; | ||
| metricExpressionEndIndex = lastArgIndex; | ||
| } | ||
|
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| for (int i = 0; i <= metricExpressionEndIndex; i++) { | ||
| RexNode operand = operands.get(i); | ||
| final PostAggregator convertedPostAgg = OperatorConversions.toPostAggregator( | ||
| plannerContext, | ||
| rowSignature, | ||
| operand, | ||
| postAggregatorVisitor, | ||
| true | ||
| ); | ||
|
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| if (convertedPostAgg == null) { | ||
| return null; | ||
| } else { | ||
| inputPostAggs.add(convertedPostAgg); | ||
| } | ||
| } | ||
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| return new ArrayOfDoublesSketchSetOpPostAggregator( | ||
| postAggregatorVisitor.getOutputNamePrefix() + postAggregatorVisitor.getAndIncrementCounter(), | ||
| getSetOperationName(), | ||
| nominalEntries, | ||
| numberOfvalues, | ||
| inputPostAggs | ||
| ); | ||
| } | ||
|
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| private SqlFunction makeSqlFunction() | ||
| { | ||
| return new SqlFunction( | ||
| getFunctionName(), | ||
| SqlKind.OTHER_FUNCTION, | ||
| ArrayOfDoublesSketchSqlOperators.RETURN_TYPE_INFERENCE, | ||
| null, | ||
| OperandTypes.variadic(SqlOperandCountRanges.from(2)), | ||
| SqlFunctionCategory.USER_DEFINED_FUNCTION | ||
| ); | ||
| } | ||
|
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| public abstract String getSetOperationName(); | ||
|
|
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| public String getFunctionName() | ||
| { | ||
| return StringUtils.format("DS_TUPLE_DOUBLES_%s", getSetOperationName()); | ||
| } | ||
|
|
||
| } |
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