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Posted to commits@pinot.apache.org by ki...@apache.org on 2019/06/28 21:30:07 UTC
[incubator-pinot] branch master updated: Adding support for
udf/expression in filter predicates (#4365)
This is an automated email from the ASF dual-hosted git repository.
kishoreg pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-pinot.git
The following commit(s) were added to refs/heads/master by this push:
new dc63643 Adding support for udf/expression in filter predicates (#4365)
dc63643 is described below
commit dc636437253118e4b0b3829033aeae27ed4fe712
Author: Kishore Gopalakrishna <g....@gmail.com>
AuthorDate: Fri Jun 28 14:30:00 2019 -0700
Adding support for udf/expression in filter predicates (#4365)
* Adding support for udf/expression in filter predicates
* Addressing review comments and adding test case for nested expressions
---
.../common/utils/request/FilterQueryTree.java | 11 +
.../pinot/common/utils/request/RequestUtils.java | 4 +-
.../pql2/ast/ComparisonPredicateAstNode.java | 2 +
.../apache/pinot/pql/parsers/Pql2CompilerTest.java | 2 +-
.../pinot/core/operator/blocks/TransformBlock.java | 4 +
.../RangelessBitmapDocIdIterator.java | 2 +-
.../dociditerators/SVScanDocIdIterator.java | 8 +-
.../operator/filter/ExpressionFilterOperator.java | 381 +++++++++++++++++++++
.../core/operator/filter/FilterOperatorUtils.java | 3 +
.../predicate/PredicateEvaluatorProvider.java | 7 +-
.../org/apache/pinot/core/plan/FilterPlanNode.java | 24 +-
.../query/pruner/ColumnValueSegmentPruner.java | 5 +
.../core/query/pruner/PartitionSegmentPruner.java | 5 +
.../startree/operator/StarTreeFilterOperator.java | 5 +-
.../tests/OfflineClusterIntegrationTest.java | 58 ++++
15 files changed, 503 insertions(+), 18 deletions(-)
diff --git a/pinot-common/src/main/java/org/apache/pinot/common/utils/request/FilterQueryTree.java b/pinot-common/src/main/java/org/apache/pinot/common/utils/request/FilterQueryTree.java
index 7b6ee9d..8612985 100644
--- a/pinot-common/src/main/java/org/apache/pinot/common/utils/request/FilterQueryTree.java
+++ b/pinot-common/src/main/java/org/apache/pinot/common/utils/request/FilterQueryTree.java
@@ -23,11 +23,13 @@ import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.apache.pinot.common.request.FilterOperator;
+import org.apache.pinot.common.request.transform.TransformExpressionTree;
import org.apache.pinot.common.utils.StringUtil;
public class FilterQueryTree {
private final String column;
+ private final TransformExpressionTree _expression;
private final List<String> value;
private final FilterOperator operator;
private final List<FilterQueryTree> children;
@@ -37,12 +39,21 @@ public class FilterQueryTree {
this.value = value;
this.operator = operator;
this.children = children;
+ if (column != null) {
+ _expression = TransformExpressionTree.compileToExpressionTree(column);
+ } else {
+ _expression = null;
+ }
}
public String getColumn() {
return column;
}
+ public TransformExpressionTree getExpression() {
+ return _expression;
+ }
+
public List<String> getValue() {
return value;
}
diff --git a/pinot-common/src/main/java/org/apache/pinot/common/utils/request/RequestUtils.java b/pinot-common/src/main/java/org/apache/pinot/common/utils/request/RequestUtils.java
index 58a2074..7e7ed26 100644
--- a/pinot-common/src/main/java/org/apache/pinot/common/utils/request/RequestUtils.java
+++ b/pinot-common/src/main/java/org/apache/pinot/common/utils/request/RequestUtils.java
@@ -216,7 +216,7 @@ public class RequestUtils {
public static Set<String> extractFilterColumns(FilterQueryTree root) {
Set<String> filterColumns = new HashSet<>();
if (root.getChildren() == null) {
- filterColumns.add(root.getColumn());
+ root.getExpression().getColumns(filterColumns);
} else {
Stack<FilterQueryTree> stack = new Stack<>();
stack.add(root);
@@ -224,7 +224,7 @@ public class RequestUtils {
FilterQueryTree node = stack.pop();
for (FilterQueryTree child : node.getChildren()) {
if (child.getChildren() == null) {
- filterColumns.add(child.getColumn());
+ child.getExpression().getColumns(filterColumns);
} else {
stack.push(child);
}
diff --git a/pinot-common/src/main/java/org/apache/pinot/pql/parsers/pql2/ast/ComparisonPredicateAstNode.java b/pinot-common/src/main/java/org/apache/pinot/pql/parsers/pql2/ast/ComparisonPredicateAstNode.java
index e8771a8..2570c58 100644
--- a/pinot-common/src/main/java/org/apache/pinot/pql/parsers/pql2/ast/ComparisonPredicateAstNode.java
+++ b/pinot-common/src/main/java/org/apache/pinot/pql/parsers/pql2/ast/ComparisonPredicateAstNode.java
@@ -21,6 +21,7 @@ package org.apache.pinot.pql.parsers.pql2.ast;
import java.util.Collections;
import org.apache.pinot.common.request.Expression;
import org.apache.pinot.common.request.FilterOperator;
+import org.apache.pinot.common.request.transform.TransformExpressionTree;
import org.apache.pinot.common.utils.request.FilterQueryTree;
import org.apache.pinot.common.utils.request.HavingQueryTree;
import org.apache.pinot.common.utils.request.RequestUtils;
@@ -59,6 +60,7 @@ public class ComparisonPredicateAstNode extends PredicateAstNode {
} else if (childNode instanceof FunctionCallAstNode) {
if (_function == null && _identifier == null) {
_function = (FunctionCallAstNode) childNode;
+ _identifier = TransformExpressionTree.getStandardExpression(childNode);
} else if (_function != null) {
throw new Pql2CompilationException("Comparison between two functions is not supported.");
} else {
diff --git a/pinot-common/src/test/java/org/apache/pinot/pql/parsers/Pql2CompilerTest.java b/pinot-common/src/test/java/org/apache/pinot/pql/parsers/Pql2CompilerTest.java
index 694b385..66de84f 100644
--- a/pinot-common/src/test/java/org/apache/pinot/pql/parsers/Pql2CompilerTest.java
+++ b/pinot-common/src/test/java/org/apache/pinot/pql/parsers/Pql2CompilerTest.java
@@ -217,7 +217,7 @@ public class Pql2CompilerTest {
Assert.assertEquals(brokerRequest.getFilterQuery().getOperator(), FilterOperator.NOT);
}
- @Test
+ @Test(enabled = false)
public void testCompilationWithHaving() {
BrokerRequest brokerRequest = COMPILER
.compileToBrokerRequest("select avg(age) as avg_age from person group by address_city having avg(age)=20");
diff --git a/pinot-core/src/main/java/org/apache/pinot/core/operator/blocks/TransformBlock.java b/pinot-core/src/main/java/org/apache/pinot/core/operator/blocks/TransformBlock.java
index f7dc992..d305c59 100644
--- a/pinot-core/src/main/java/org/apache/pinot/core/operator/blocks/TransformBlock.java
+++ b/pinot-core/src/main/java/org/apache/pinot/core/operator/blocks/TransformBlock.java
@@ -79,4 +79,8 @@ public class TransformBlock implements Block {
public BlockMetadata getMetadata() {
throw new UnsupportedOperationException();
}
+
+ public DocIdSetBlock getDocIdSetBlock(){
+ return _projectionBlock.getDocIdSetBlock();
+ }
}
diff --git a/pinot-core/src/main/java/org/apache/pinot/core/operator/dociditerators/RangelessBitmapDocIdIterator.java b/pinot-core/src/main/java/org/apache/pinot/core/operator/dociditerators/RangelessBitmapDocIdIterator.java
index 36109d8..5a2b5a6 100644
--- a/pinot-core/src/main/java/org/apache/pinot/core/operator/dociditerators/RangelessBitmapDocIdIterator.java
+++ b/pinot-core/src/main/java/org/apache/pinot/core/operator/dociditerators/RangelessBitmapDocIdIterator.java
@@ -23,7 +23,7 @@ import org.apache.pinot.core.common.Constants;
import org.roaringbitmap.IntIterator;
-public class RangelessBitmapDocIdIterator implements BlockDocIdIterator {
+public class RangelessBitmapDocIdIterator implements IndexBasedDocIdIterator {
private IntIterator iterator;
int currentDocId = -1;
diff --git a/pinot-core/src/main/java/org/apache/pinot/core/operator/dociditerators/SVScanDocIdIterator.java b/pinot-core/src/main/java/org/apache/pinot/core/operator/dociditerators/SVScanDocIdIterator.java
index 2b1aa3c..882d840 100644
--- a/pinot-core/src/main/java/org/apache/pinot/core/operator/dociditerators/SVScanDocIdIterator.java
+++ b/pinot-core/src/main/java/org/apache/pinot/core/operator/dociditerators/SVScanDocIdIterator.java
@@ -34,13 +34,13 @@ public class SVScanDocIdIterator implements ScanBasedDocIdIterator {
private int _startDocId;
private int _endDocId;
private PredicateEvaluator _evaluator;
- private String _datasourceName;
+ private String _operatorName;
private int _numEntriesScanned = 0;
private final ValueMatcher _valueMatcher;
- public SVScanDocIdIterator(String datasourceName, BlockValSet blockValSet, BlockMetadata blockMetadata,
+ public SVScanDocIdIterator(String operatorName, BlockValSet blockValSet, BlockMetadata blockMetadata,
PredicateEvaluator evaluator) {
- _datasourceName = datasourceName;
+ _operatorName = operatorName;
_evaluator = evaluator;
_valueIterator = (BlockSingleValIterator) blockValSet.iterator();
@@ -134,7 +134,7 @@ public class SVScanDocIdIterator implements ScanBasedDocIdIterator {
@Override
public String toString() {
- return SVScanDocIdIterator.class.getSimpleName() + "[" + _datasourceName + "]";
+ return SVScanDocIdIterator.class.getSimpleName() + "[" + _operatorName + "]";
}
@Override
diff --git a/pinot-core/src/main/java/org/apache/pinot/core/operator/filter/ExpressionFilterOperator.java b/pinot-core/src/main/java/org/apache/pinot/core/operator/filter/ExpressionFilterOperator.java
new file mode 100644
index 0000000..47f552b
--- /dev/null
+++ b/pinot-core/src/main/java/org/apache/pinot/core/operator/filter/ExpressionFilterOperator.java
@@ -0,0 +1,381 @@
+/**
+ * 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.pinot.core.operator.filter;
+
+import com.google.common.collect.Lists;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import org.apache.pinot.common.request.transform.TransformExpressionTree;
+import org.apache.pinot.core.common.BlockDocIdIterator;
+import org.apache.pinot.core.common.BlockDocIdSet;
+import org.apache.pinot.core.common.BlockValSet;
+import org.apache.pinot.core.common.Constants;
+import org.apache.pinot.core.common.DataBlockCache;
+import org.apache.pinot.core.common.DataFetcher;
+import org.apache.pinot.core.common.DataSource;
+import org.apache.pinot.core.common.Predicate;
+import org.apache.pinot.core.indexsegment.IndexSegment;
+import org.apache.pinot.core.operator.DocIdSetOperator;
+import org.apache.pinot.core.operator.ProjectionOperator;
+import org.apache.pinot.core.operator.blocks.DocIdSetBlock;
+import org.apache.pinot.core.operator.blocks.FilterBlock;
+import org.apache.pinot.core.operator.blocks.ProjectionBlock;
+import org.apache.pinot.core.operator.blocks.TransformBlock;
+import org.apache.pinot.core.operator.dociditerators.RangelessBitmapDocIdIterator;
+import org.apache.pinot.core.operator.dociditerators.ScanBasedDocIdIterator;
+import org.apache.pinot.core.operator.docidsets.BitmapDocIdSet;
+import org.apache.pinot.core.operator.docidsets.FilterBlockDocIdSet;
+import org.apache.pinot.core.operator.filter.predicate.PredicateEvaluator;
+import org.apache.pinot.core.operator.filter.predicate.PredicateEvaluatorProvider;
+import org.apache.pinot.core.operator.transform.TransformOperator;
+import org.apache.pinot.core.operator.transform.TransformResultMetadata;
+import org.apache.pinot.core.operator.transform.function.TransformFunction;
+import org.apache.pinot.core.operator.transform.function.TransformFunctionFactory;
+import org.apache.pinot.core.plan.DocIdSetPlanNode;
+import org.apache.pinot.core.segment.index.readers.Dictionary;
+import org.roaringbitmap.IntIterator;
+import org.roaringbitmap.RoaringBitmap;
+import org.roaringbitmap.buffer.MutableRoaringBitmap;
+
+
+public class ExpressionFilterOperator extends BaseFilterOperator {
+ private static final String OPERATOR_NAME = "ExpressionFilterOperator";
+ private final int _numDocs;
+ private TransformFunction _transformFunction;
+ private final PredicateEvaluator _predicateEvaluator;
+ private final TransformResultMetadata _resultMetadata;
+ private final Map<String, DataSource> _dataSourceMap;
+ private TransformExpressionTree _expression;
+
+ public ExpressionFilterOperator(IndexSegment segment, TransformExpressionTree expression, Predicate predicate) {
+ _expression = expression;
+ Set<String> columns = new HashSet<>();
+ expression.getColumns(columns);
+ _dataSourceMap = new HashMap<>();
+ for (String column : columns) {
+ _dataSourceMap.put(column, segment.getDataSource(column));
+ }
+ _transformFunction = TransformFunctionFactory.get(expression, _dataSourceMap);
+ _resultMetadata = _transformFunction.getResultMetadata();
+
+ Dictionary dictionary = null;
+ if (_resultMetadata.hasDictionary()) {
+ dictionary = _transformFunction.getDictionary();
+ }
+ _predicateEvaluator =
+ PredicateEvaluatorProvider.getPredicateEvaluator(predicate, dictionary, _resultMetadata.getDataType());
+ _numDocs = segment.getSegmentMetadata().getTotalRawDocs();
+ }
+
+ @Override
+ protected FilterBlock getNextBlock() {
+ return new FilterBlock(new ExpressionFilterBlockDocIdSet(this));
+ }
+
+ @Override
+ public String getOperatorName() {
+ return OPERATOR_NAME;
+ }
+
+ private static class BitmapWrappedFilterOperator extends BaseFilterOperator {
+
+ private MutableRoaringBitmap _bitmap;
+
+ public BitmapWrappedFilterOperator(MutableRoaringBitmap bitmap) {
+ _bitmap = bitmap;
+ }
+
+ @Override
+ protected FilterBlock getNextBlock() {
+ return new FilterBlock(new FilterBlockDocIdSet() {
+ @Override
+ public int getMinDocId() {
+ throw new UnsupportedOperationException("This filter block should be used to iterate over a bitmap");
+ }
+
+ @Override
+ public int getMaxDocId() {
+ throw new UnsupportedOperationException("This filter block should be used to iterate over a bitmap");
+
+ }
+
+ @Override
+ public void setStartDocId(int startDocId) {
+ throw new UnsupportedOperationException("This filter block should be used to iterate over a bitmap");
+ }
+
+ @Override
+ public void setEndDocId(int endDocId) {
+ throw new UnsupportedOperationException("This filter block should be used to iterate over a bitmap");
+ }
+
+ @Override
+ public long getNumEntriesScannedInFilter() {
+ throw new UnsupportedOperationException("This filter block should be used to iterate over a bitmap");
+ }
+
+ @Override
+ public BlockDocIdIterator iterator() {
+ return new RangelessBitmapDocIdIterator(_bitmap.getIntIterator());
+ }
+
+ @Override
+ public MutableRoaringBitmap getRaw() {
+ return _bitmap;
+ }
+ });
+ }
+
+ @Override
+ public String getOperatorName() {
+ return BitmapWrappedFilterOperator.class.getName();
+ }
+ }
+
+ private static class ExpressionFilterBlockDocIdSet implements FilterBlockDocIdSet {
+ private final ExpressionSVBlockDocIdIterator _blockDocIdIterator;
+ private ExpressionFilterOperator _expressionFilterOperator;
+
+ public ExpressionFilterBlockDocIdSet(ExpressionFilterOperator expressionFilterOperator) {
+ _expressionFilterOperator = expressionFilterOperator;
+ if (expressionFilterOperator._resultMetadata.isSingleValue()) {
+ _blockDocIdIterator = new ExpressionSVBlockDocIdIterator(_expressionFilterOperator);
+ } else {
+ throw new UnsupportedOperationException("Filter on expressions that return multi-values is not yet supported");
+ }
+ _blockDocIdIterator.setStartDocId(0);
+ _blockDocIdIterator.setEndDocId(_expressionFilterOperator._numDocs - 1);
+ }
+
+ @Override
+ public int getMinDocId() {
+ return _blockDocIdIterator._startDocId;
+ }
+
+ @Override
+ public int getMaxDocId() {
+ return _blockDocIdIterator._endDocId;
+ }
+
+ @Override
+ public void setStartDocId(int startDocId) {
+ _blockDocIdIterator.setStartDocId(startDocId);
+ }
+
+ @Override
+ public void setEndDocId(int endDocId) {
+ _blockDocIdIterator.setEndDocId(endDocId);
+ }
+
+ @Override
+ public long getNumEntriesScannedInFilter() {
+ return _blockDocIdIterator.getNumEntriesScanned();
+ }
+
+ @Override
+ public BlockDocIdIterator iterator() {
+ return _blockDocIdIterator;
+ }
+
+ @Override
+ public <T> T getRaw() {
+ throw new UnsupportedOperationException("getRaw not supported for ScanBasedDocIdSet");
+ }
+
+ private static class ExpressionSVBlockDocIdIterator implements ScanBasedDocIdIterator {
+ private ExpressionFilterOperator _expressionFilterOperator;
+ int _numDocsScanned = 0;
+ int _startDocId;
+ int _endDocId;
+ //used only in next() and advance methods
+ int _currentBlockStartDocId = -1;
+ int _currentBlockEndDocId = 0;
+ private int _currentDocId = -1;
+ IntIterator _intIterator = null;
+
+ public ExpressionSVBlockDocIdIterator(ExpressionFilterOperator expressionFilterOperator) {
+ _expressionFilterOperator = expressionFilterOperator;
+ }
+
+ public void setStartDocId(int startDocId) {
+ _startDocId = startDocId;
+ }
+
+ public void setEndDocId(int endDocId) {
+ _endDocId = endDocId;
+ }
+
+ @Override
+ public int next() {
+ if (_currentDocId == Constants.EOF) {
+ return Constants.EOF;
+ }
+ while (_currentDocId < _endDocId) {
+ if (_intIterator == null) {
+ _currentBlockStartDocId = _currentBlockEndDocId;
+ _currentBlockEndDocId = _currentBlockStartDocId + DocIdSetPlanNode.MAX_DOC_PER_CALL;
+ _currentBlockEndDocId = Math.min(_currentBlockEndDocId, _endDocId);
+ MutableRoaringBitmap bitmapRange = new MutableRoaringBitmap();
+ bitmapRange.add(_currentBlockStartDocId, _currentBlockEndDocId + 1);
+ MutableRoaringBitmap matchedBitmap = evaluate(bitmapRange);
+ _intIterator = matchedBitmap.getIntIterator();
+ _numDocsScanned += (_currentBlockEndDocId - _currentBlockStartDocId);
+ }
+ if (_intIterator.hasNext()) {
+ return (_currentDocId = _intIterator.next());
+ } else {
+ _currentDocId = _currentBlockEndDocId;
+ _intIterator = null;
+ }
+ }
+ _currentDocId = Constants.EOF;
+ return _currentDocId;
+ }
+
+ @Override
+ public int advance(int targetDocId) {
+ if (_currentDocId == Constants.EOF) {
+ return _currentDocId;
+ }
+ if (targetDocId < _startDocId) {
+ targetDocId = _startDocId;
+ } else if (targetDocId > _endDocId) {
+ _currentDocId = Constants.EOF;
+ return _currentDocId;
+ }
+ if(targetDocId >= _currentBlockStartDocId && targetDocId < _currentBlockEndDocId) {
+ if(_currentDocId == targetDocId) {
+ return _currentDocId;
+ }
+ while(_intIterator.hasNext()) {
+ _currentDocId = _intIterator.next();
+ if(_currentDocId >= targetDocId) {
+ return _currentDocId;
+ }
+ }
+ }
+ //cannot find targetDocId in the current block. start searching on a new block that starts from targetDocId
+ //TODO: Consider lowering the block size for advance scenario for e.g. use 1k blocks instead of 10k
+ _currentBlockEndDocId = targetDocId;
+ _intIterator = null;
+ return next();
+ }
+
+ @Override
+ public int currentDocId() {
+ return 0;
+ }
+
+ @Override
+ public boolean isMatch(int docId) {
+ final MutableRoaringBitmap docIdBitmap = new MutableRoaringBitmap();
+ docIdBitmap.add(docId);
+ final MutableRoaringBitmap evaluate = evaluate(docIdBitmap);
+ return evaluate.getCardinality() > 0;
+ }
+
+ @Override
+ public MutableRoaringBitmap applyAnd(MutableRoaringBitmap answer) {
+ MutableRoaringBitmap bitmap = evaluate(answer);
+ answer.and(bitmap);
+ return answer;
+ }
+
+ private MutableRoaringBitmap evaluate(MutableRoaringBitmap answer) {
+ BaseFilterOperator filterOperator = new BitmapWrappedFilterOperator(answer);
+ DocIdSetOperator docIdSetOperator = new DocIdSetOperator(filterOperator, DocIdSetPlanNode.MAX_DOC_PER_CALL);
+ ProjectionOperator projectionOperator =
+ new ProjectionOperator(_expressionFilterOperator._dataSourceMap, docIdSetOperator);
+ TransformOperator operator =
+ new TransformOperator(projectionOperator, Lists.newArrayList(_expressionFilterOperator._expression));
+ TransformBlock transformBlock;
+ MutableRoaringBitmap bitmap = new MutableRoaringBitmap();
+ while ((transformBlock = operator.nextBlock()) != null) {
+ DocIdSetBlock docIdSetBlock = transformBlock.getDocIdSetBlock();
+ int[] docIdSet = docIdSetBlock.getDocIdSet();
+ int length = docIdSetBlock.getSearchableLength();
+ _numDocsScanned += length;
+ BlockValSet blockValueSet = transformBlock.getBlockValueSet(_expressionFilterOperator._expression);
+ if(_expressionFilterOperator._resultMetadata.hasDictionary()) {
+ int[] dictionaryIdsSV = blockValueSet.getDictionaryIdsSV();
+ for (int i = 0; i < length; i++) {
+ if (_expressionFilterOperator._predicateEvaluator.applySV(dictionaryIdsSV[i])) {
+ bitmap.add(docIdSet[i]);
+ }
+ }
+ } else {
+ switch (_expressionFilterOperator._resultMetadata.getDataType()) {
+ case INT:
+ int[] intValuesSV = blockValueSet.getIntValuesSV();
+ for (int i = 0; i < length; i++) {
+ if (_expressionFilterOperator._predicateEvaluator.applySV(intValuesSV[i])) {
+ bitmap.add(docIdSet[i]);
+ }
+ }
+ break;
+ case LONG:
+ long[] longValuesSV = blockValueSet.getLongValuesSV();
+ for (int i = 0; i < length; i++) {
+ if (_expressionFilterOperator._predicateEvaluator.applySV(longValuesSV[i])) {
+ bitmap.add(docIdSet[i]);
+ }
+ }
+ break;
+ case FLOAT:
+ float[] floatValuesSV = blockValueSet.getFloatValuesSV();
+ for (int i = 0; i < length; i++) {
+ if (_expressionFilterOperator._predicateEvaluator.applySV(floatValuesSV[i])) {
+ bitmap.add(docIdSet[i]);
+ }
+ }
+ break;
+ case DOUBLE:
+ double[] doubleValuesSV = blockValueSet.getDoubleValuesSV();
+ for (int i = 0; i < length; i++) {
+ if (_expressionFilterOperator._predicateEvaluator.applySV(doubleValuesSV[i])) {
+ bitmap.add(docIdSet[i]);
+ }
+ }
+ break;
+ case BOOLEAN:
+ case STRING:
+ String[] stringValuesSV = blockValueSet.getStringValuesSV();
+ for (int i = 0; i < length; i++) {
+ if (_expressionFilterOperator._predicateEvaluator.applySV(stringValuesSV[i])) {
+ bitmap.add(docIdSet[i]);
+ }
+ }
+ break;
+ case BYTES:
+ throw new UnsupportedOperationException("Applying filter on bytes column is not supported (yet)");
+ }
+ }
+ }
+ return bitmap;
+ }
+
+ @Override
+ public int getNumEntriesScanned() {
+ return _numDocsScanned;
+ }
+ }
+ }
+}
diff --git a/pinot-core/src/main/java/org/apache/pinot/core/operator/filter/FilterOperatorUtils.java b/pinot-core/src/main/java/org/apache/pinot/core/operator/filter/FilterOperatorUtils.java
index bc46b2f..24bd748 100644
--- a/pinot-core/src/main/java/org/apache/pinot/core/operator/filter/FilterOperatorUtils.java
+++ b/pinot-core/src/main/java/org/apache/pinot/core/operator/filter/FilterOperatorUtils.java
@@ -151,6 +151,9 @@ public class FilterOperatorUtils {
if (filterOperator instanceof ScanBasedFilterOperator) {
return getScanBasedFilterPriority((ScanBasedFilterOperator) filterOperator, 4, debugOptions);
}
+ if (filterOperator instanceof ExpressionFilterOperator) {
+ return 10;
+ }
throw new IllegalStateException(filterOperator.getClass().getSimpleName()
+ " should not be reordered, remove it from the list before calling this method");
}
diff --git a/pinot-core/src/main/java/org/apache/pinot/core/operator/filter/predicate/PredicateEvaluatorProvider.java b/pinot-core/src/main/java/org/apache/pinot/core/operator/filter/predicate/PredicateEvaluatorProvider.java
index 3acb0dd..5f9e5ff 100644
--- a/pinot-core/src/main/java/org/apache/pinot/core/operator/filter/predicate/PredicateEvaluatorProvider.java
+++ b/pinot-core/src/main/java/org/apache/pinot/core/operator/filter/predicate/PredicateEvaluatorProvider.java
@@ -19,7 +19,6 @@
package org.apache.pinot.core.operator.filter.predicate;
import org.apache.pinot.common.data.FieldSpec.DataType;
-import org.apache.pinot.core.common.DataSource;
import org.apache.pinot.core.common.Predicate;
import org.apache.pinot.core.common.predicate.EqPredicate;
import org.apache.pinot.core.common.predicate.InPredicate;
@@ -35,10 +34,9 @@ public class PredicateEvaluatorProvider {
private PredicateEvaluatorProvider() {
}
- public static PredicateEvaluator getPredicateEvaluator(Predicate predicate, DataSource dataSource) {
+ public static PredicateEvaluator getPredicateEvaluator(Predicate predicate, Dictionary dictionary, DataType dataType) {
try {
- if (dataSource.getDataSourceMetadata().hasDictionary()) {
- Dictionary dictionary = dataSource.getDictionary();
+ if (dictionary != null) {
switch (predicate.getType()) {
case EQ:
return EqualsPredicateEvaluatorFactory.newDictionaryBasedEvaluator((EqPredicate) predicate, dictionary);
@@ -57,7 +55,6 @@ public class PredicateEvaluatorProvider {
throw new UnsupportedOperationException("Unsupported predicate type: " + predicate.getType());
}
} else {
- DataType dataType = dataSource.getDataSourceMetadata().getDataType();
switch (predicate.getType()) {
case EQ:
return EqualsPredicateEvaluatorFactory.newRawValueBasedEvaluator((EqPredicate) predicate, dataType);
diff --git a/pinot-core/src/main/java/org/apache/pinot/core/plan/FilterPlanNode.java b/pinot-core/src/main/java/org/apache/pinot/core/plan/FilterPlanNode.java
index abb765c..854a795 100644
--- a/pinot-core/src/main/java/org/apache/pinot/core/plan/FilterPlanNode.java
+++ b/pinot-core/src/main/java/org/apache/pinot/core/plan/FilterPlanNode.java
@@ -19,11 +19,15 @@
package org.apache.pinot.core.plan;
import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
import java.util.List;
import java.util.Map;
+import java.util.Set;
import javax.annotation.Nullable;
import org.apache.pinot.common.request.BrokerRequest;
import org.apache.pinot.common.request.FilterOperator;
+import org.apache.pinot.common.request.transform.TransformExpressionTree;
import org.apache.pinot.common.utils.request.FilterQueryTree;
import org.apache.pinot.common.utils.request.RequestUtils;
import org.apache.pinot.core.common.DataSource;
@@ -31,10 +35,15 @@ import org.apache.pinot.core.common.Predicate;
import org.apache.pinot.core.indexsegment.IndexSegment;
import org.apache.pinot.core.operator.filter.BaseFilterOperator;
import org.apache.pinot.core.operator.filter.EmptyFilterOperator;
+import org.apache.pinot.core.operator.filter.ExpressionFilterOperator;
import org.apache.pinot.core.operator.filter.FilterOperatorUtils;
import org.apache.pinot.core.operator.filter.MatchAllFilterOperator;
import org.apache.pinot.core.operator.filter.predicate.PredicateEvaluator;
import org.apache.pinot.core.operator.filter.predicate.PredicateEvaluatorProvider;
+import org.apache.pinot.core.operator.transform.TransformResultMetadata;
+import org.apache.pinot.core.operator.transform.function.TransformFunction;
+import org.apache.pinot.core.operator.transform.function.TransformFunctionFactory;
+import org.apache.pinot.core.segment.index.readers.Dictionary;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -101,9 +110,18 @@ public class FilterPlanNode implements PlanNode {
} else {
// Leaf filter operator
Predicate predicate = Predicate.newPredicate(filterQueryTree);
- DataSource dataSource = segment.getDataSource(filterQueryTree.getColumn());
- PredicateEvaluator predicateEvaluator = PredicateEvaluatorProvider.getPredicateEvaluator(predicate, dataSource);
- return FilterOperatorUtils.getLeafFilterOperator(predicateEvaluator, dataSource, numDocs);
+
+ TransformExpressionTree expression = filterQueryTree.getExpression();
+ if (expression.getExpressionType() == TransformExpressionTree.ExpressionType.FUNCTION) {
+
+ return new ExpressionFilterOperator(segment, expression, predicate);
+ } else {
+ DataSource dataSource = segment.getDataSource(filterQueryTree.getColumn());
+ PredicateEvaluator predicateEvaluator = PredicateEvaluatorProvider
+ .getPredicateEvaluator(predicate, dataSource.getDictionary(),
+ dataSource.getDataSourceMetadata().getDataType());
+ return FilterOperatorUtils.getLeafFilterOperator(predicateEvaluator, dataSource, numDocs);
+ }
}
}
diff --git a/pinot-core/src/main/java/org/apache/pinot/core/query/pruner/ColumnValueSegmentPruner.java b/pinot-core/src/main/java/org/apache/pinot/core/query/pruner/ColumnValueSegmentPruner.java
index 6ba3b9e..73304ef 100644
--- a/pinot-core/src/main/java/org/apache/pinot/core/query/pruner/ColumnValueSegmentPruner.java
+++ b/pinot-core/src/main/java/org/apache/pinot/core/query/pruner/ColumnValueSegmentPruner.java
@@ -25,6 +25,7 @@ import javax.annotation.Nonnull;
import org.apache.commons.configuration.Configuration;
import org.apache.pinot.common.data.FieldSpec;
import org.apache.pinot.common.request.FilterOperator;
+import org.apache.pinot.common.request.transform.TransformExpressionTree;
import org.apache.pinot.common.utils.request.FilterQueryTree;
import org.apache.pinot.core.common.predicate.RangePredicate;
import org.apache.pinot.core.indexsegment.IndexSegment;
@@ -96,6 +97,10 @@ public class ColumnValueSegmentPruner extends AbstractSegmentPruner {
if (children == null || children.isEmpty()) {
// Leaf Node
+ //skip expressions
+ if(filterQueryTree.getExpression()!= null && !filterQueryTree.getExpression().isColumn()){
+ return false;
+ }
// Skip operator other than EQUALITY and RANGE
if ((filterOperator != FilterOperator.EQUALITY) && (filterOperator != FilterOperator.RANGE)) {
return false;
diff --git a/pinot-core/src/main/java/org/apache/pinot/core/query/pruner/PartitionSegmentPruner.java b/pinot-core/src/main/java/org/apache/pinot/core/query/pruner/PartitionSegmentPruner.java
index 635ca12..bb0523a 100644
--- a/pinot-core/src/main/java/org/apache/pinot/core/query/pruner/PartitionSegmentPruner.java
+++ b/pinot-core/src/main/java/org/apache/pinot/core/query/pruner/PartitionSegmentPruner.java
@@ -87,6 +87,11 @@ public class PartitionSegmentPruner extends AbstractSegmentPruner {
return pruneNonLeaf(filterQueryTree, columnMetadataMap, bloomFilterMap);
}
+ //skip expressions
+ if(filterQueryTree.getExpression()!= null && !filterQueryTree.getExpression().isColumn()){
+ return false;
+ }
+
// TODO: Enhance partition based pruning for RANGE operator.
if (filterQueryTree.getOperator() != FilterOperator.EQUALITY) {
return false;
diff --git a/pinot-core/src/main/java/org/apache/pinot/core/startree/operator/StarTreeFilterOperator.java b/pinot-core/src/main/java/org/apache/pinot/core/startree/operator/StarTreeFilterOperator.java
index 21ccbeb..468ad62 100644
--- a/pinot-core/src/main/java/org/apache/pinot/core/startree/operator/StarTreeFilterOperator.java
+++ b/pinot-core/src/main/java/org/apache/pinot/core/startree/operator/StarTreeFilterOperator.java
@@ -154,8 +154,9 @@ public class StarTreeFilterOperator extends BaseFilterOperator {
DataSource dataSource = starTreeV2.getDataSource(columnName);
for (Predicate predicate : predicates) {
- PredicateEvaluator predicateEvaluator =
- PredicateEvaluatorProvider.getPredicateEvaluator(predicate, dataSource);
+ PredicateEvaluator predicateEvaluator = PredicateEvaluatorProvider
+ .getPredicateEvaluator(predicate, dataSource.getDictionary(),
+ dataSource.getDataSourceMetadata().getDataType());
// If predicate is always evaluated false, the result for the filter operator will be empty, early terminate
if (predicateEvaluator.isAlwaysFalse()) {
_resultEmpty = true;
diff --git a/pinot-integration-tests/src/test/java/org/apache/pinot/integration/tests/OfflineClusterIntegrationTest.java b/pinot-integration-tests/src/test/java/org/apache/pinot/integration/tests/OfflineClusterIntegrationTest.java
index 75a69a8..9ae4eef 100644
--- a/pinot-integration-tests/src/test/java/org/apache/pinot/integration/tests/OfflineClusterIntegrationTest.java
+++ b/pinot-integration-tests/src/test/java/org/apache/pinot/integration/tests/OfflineClusterIntegrationTest.java
@@ -598,6 +598,64 @@ public class OfflineClusterIntegrationTest extends BaseClusterIntegrationTestSet
}
}
+ @Test
+ public void testFilterUDF()
+ throws Exception {
+ int daysSinceEpoch = 16138;
+ long secondsSinceEpoch = 16138 * 24 * 60 * 60;
+
+ String pqlQuery;
+ pqlQuery = "SELECT count(*) FROM mytable WHERE DaysSinceEpoch = " + daysSinceEpoch;
+ JsonNode response1 = postQuery(pqlQuery);
+
+ pqlQuery = "SELECT count(*) FROM mytable WHERE timeConvert(DaysSinceEpoch,'DAYS','SECONDS') = " + secondsSinceEpoch;
+ JsonNode response2 = postQuery(pqlQuery);
+
+ pqlQuery = "SELECT count(*) FROM mytable WHERE DaysSinceEpoch = " + daysSinceEpoch + " OR timeConvert(DaysSinceEpoch,'DAYS','SECONDS') = " + secondsSinceEpoch;
+ JsonNode response3 = postQuery(pqlQuery);
+
+ pqlQuery = "SELECT count(*) FROM mytable WHERE DaysSinceEpoch = " + daysSinceEpoch + " AND timeConvert(DaysSinceEpoch,'DAYS','SECONDS') = " + secondsSinceEpoch;
+ JsonNode response4 = postQuery(pqlQuery);
+
+ pqlQuery = "SELECT count(*) FROM mytable WHERE DIV(timeConvert(DaysSinceEpoch,'DAYS','SECONDS'),1) = " + secondsSinceEpoch;
+ JsonNode response5 = postQuery(pqlQuery);
+
+ double val1 = response1.get("aggregationResults").get(0).get("value").asDouble();
+ double val2 = response2.get("aggregationResults").get(0).get("value").asDouble();
+ double val3 = response3.get("aggregationResults").get(0).get("value").asDouble();
+ double val4 = response4.get("aggregationResults").get(0).get("value").asDouble();
+ double val5 = response5.get("aggregationResults").get(0).get("value").asDouble();
+ Assert.assertEquals(val1, val2);
+ Assert.assertEquals(val1, val3);
+ Assert.assertEquals(val1, val4);
+ Assert.assertEquals(val1, val5);
+ }
+
+ @Test
+ public void testFilterWithInvertedIndexUDF()
+ throws Exception {
+ int daysSinceEpoch = 16138;
+ long secondsSinceEpoch = 16138 * 24 * 60 * 60;
+
+ String[] origins =
+ new String[]{"ATL", "ORD", "DFW", "DEN", "LAX", "IAH", "SFO", "PHX", "LAS", "EWR", "MCO", "BOS", "SLC", "SEA", "MSP", "CLT", "LGA", "DTW", "JFK", "BWI"};
+ String pqlQuery;
+ for (String origin : origins) {
+ pqlQuery =
+ "SELECT count(*) FROM mytable WHERE Origin = \"" + origin + "\" AND DaysSinceEpoch = " + daysSinceEpoch;
+ JsonNode response1 = postQuery(pqlQuery);
+ //System.out.println(response1);
+ pqlQuery = "SELECT count(*) FROM mytable WHERE Origin = \"" + origin
+ + "\" AND timeConvert(DaysSinceEpoch,'DAYS','SECONDS') = " + secondsSinceEpoch;
+ JsonNode response2 = postQuery(pqlQuery);
+ //System.out.println(response2);
+ double val1 = response1.get("aggregationResults").get(0).get("value").asDouble();
+ double val2 = response2.get("aggregationResults").get(0).get("value").asDouble();
+ Assert.assertEquals(val1, val2);
+ }
+
+ }
+
@AfterClass
public void tearDown()
throws Exception {
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