walterddr commented on code in PR #9769:
URL: https://github.com/apache/pinot/pull/9769#discussion_r1019308867
##########
pinot-query-runtime/src/main/java/org/apache/pinot/query/runtime/operator/SortOperator.java:
##########
@@ -52,14 +52,23 @@ public class SortOperator extends
BaseOperator<TransferableBlock> {
public SortOperator(Operator<TransferableBlock> upstreamOperator,
List<RexExpression> collationKeys,
List<RelFieldCollation.Direction> collationDirections, int fetch, int
offset, DataSchema dataSchema) {
+ this(upstreamOperator, collationKeys, collationDirections, fetch, offset,
dataSchema,
+ SelectionOperatorUtils.MAX_ROW_HOLDER_INITIAL_CAPACITY);
+ }
+
+ @VisibleForTesting
+ SortOperator(Operator<TransferableBlock> upstreamOperator,
List<RexExpression> collationKeys,
+ List<RelFieldCollation.Direction> collationDirections, int fetch, int
offset, DataSchema dataSchema,
+ int maxHolderCapacity) {
Review Comment:
+1. good idea to test configurable constrains
##########
pinot-query-runtime/src/test/java/org/apache/pinot/query/runtime/operator/SortOperatorTest.java:
##########
@@ -0,0 +1,363 @@
+/**
+ * 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.query.runtime.operator;
+
+import com.google.common.collect.ImmutableList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+import org.apache.calcite.rel.RelFieldCollation.Direction;
+import org.apache.pinot.common.datablock.DataBlock;
+import org.apache.pinot.common.utils.DataSchema;
+import org.apache.pinot.core.common.Operator;
+import org.apache.pinot.query.planner.logical.RexExpression;
+import org.apache.pinot.query.runtime.blocks.TransferableBlock;
+import org.apache.pinot.query.runtime.blocks.TransferableBlockUtils;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.MockitoAnnotations;
+import org.testng.Assert;
+import org.testng.annotations.AfterMethod;
+import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.Test;
+
+import static org.apache.pinot.common.utils.DataSchema.ColumnDataType.INT;
+import static org.apache.pinot.common.utils.DataSchema.ColumnDataType.STRING;
+
+
+public class SortOperatorTest {
+
+ private AutoCloseable _mocks;
+
+ @Mock
+ private Operator<TransferableBlock> _input;
+
+ @BeforeMethod
+ public void setUp() {
+ _mocks = MockitoAnnotations.openMocks(this);
+ }
+
+ @AfterMethod
+ public void tearDown()
+ throws Exception {
+ _mocks.close();
+ }
+
+ @Test
+ public void shouldHandleUpstreamErrorBlock() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{INT});
+ SortOperator op = new SortOperator(_input, collation, directions, 10, 0,
schema);
+
+ Mockito.when(_input.nextBlock())
+ .thenReturn(TransferableBlockUtils.getErrorTransferableBlock(new
Exception("foo!")));
+
+ // When:
+ TransferableBlock block = op.nextBlock();
+
+ // Then:
+ Assert.assertTrue(block.isErrorBlock(), "expected error block to
propagate");
+ }
+
+ @Test
+ public void shouldHandleUpstreamNoOpBlock() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{INT});
+ SortOperator op = new SortOperator(_input, collation, directions, 10, 0,
schema);
+
+
Mockito.when(_input.nextBlock()).thenReturn(TransferableBlockUtils.getNoOpTransferableBlock());
+
+ // When:
+ TransferableBlock block = op.nextBlock();
+
+ // Then:
+ Assert.assertTrue(block.isNoOpBlock(), "expected noop block to propagate");
+ }
+
+ @Test
+ public void shouldCreateEmptyBlockOnUpstreamEOS() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{INT});
+ SortOperator op = new SortOperator(_input, collation, directions, 10, 0,
schema);
+
+
Mockito.when(_input.nextBlock()).thenReturn(TransferableBlockUtils.getEndOfStreamTransferableBlock());
+
+ // When:
+ TransferableBlock block = op.nextBlock();
+
+ // Then:
+ Assert.assertTrue(block.isEndOfStreamBlock(), "expected EOS block to
propagate");
+ }
+
+ @Test
+ public void shouldConsumeAndSortInputOneBlockWithTwoRows() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{INT});
+ SortOperator op = new SortOperator(_input, collation, directions, 10, 0,
schema);
+
+ Mockito.when(_input.nextBlock())
+ .thenReturn(block(schema, new Object[]{2}, new Object[]{1}))
+ .thenReturn(TransferableBlockUtils.getEndOfStreamTransferableBlock());
+
+ // When:
+ op.nextBlock(); // consume, create NOOP
+ TransferableBlock block = op.nextBlock(); // construct
+ TransferableBlock block2 = op.nextBlock(); // eos
+
+ // Then:
+ Assert.assertEquals(block.getNumRows(), 2);
+ Assert.assertEquals(block.getContainer().get(0), new Object[]{1});
+ Assert.assertEquals(block.getContainer().get(1), new Object[]{2});
+ Assert.assertTrue(block2.isEndOfStreamBlock(), "expected EOS block to
propagate");
+ }
+
+ @Test
+ public void shouldConsumeAndSortInputOneBlockWithTwoRowsNonNumeric() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{STRING});
+ SortOperator op = new SortOperator(_input, collation, directions, 10, 0,
schema);
+
+ Mockito.when(_input.nextBlock())
+ .thenReturn(block(schema, new Object[]{"b"}, new Object[]{"a"}))
+ .thenReturn(TransferableBlockUtils.getEndOfStreamTransferableBlock());
+
+ // When:
+ op.nextBlock(); // consume, create NOOP
+ TransferableBlock block = op.nextBlock(); // construct
+ TransferableBlock block2 = op.nextBlock(); // eos
+
+ // Then:
+ Assert.assertEquals(block.getNumRows(), 2);
+ Assert.assertEquals(block.getContainer().get(0), new Object[]{"a"});
+ Assert.assertEquals(block.getContainer().get(1), new Object[]{"b"});
+ Assert.assertTrue(block2.isEndOfStreamBlock(), "expected EOS block to
propagate");
+ }
+
+ @Test
+ public void shouldConsumeAndSortDescending() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.DESCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{INT});
+ SortOperator op = new SortOperator(_input, collation, directions, 10, 0,
schema);
+
+ Mockito.when(_input.nextBlock())
+ .thenReturn(block(schema, new Object[]{2}, new Object[]{1}))
+ .thenReturn(TransferableBlockUtils.getEndOfStreamTransferableBlock());
+
+ // When:
+ op.nextBlock(); // consume, create NOOP
+ TransferableBlock block = op.nextBlock(); // construct
+ TransferableBlock block2 = op.nextBlock(); // eos
+
+ // Then:
+ Assert.assertEquals(block.getNumRows(), 2);
+ Assert.assertEquals(block.getContainer().get(0), new Object[]{2});
+ Assert.assertEquals(block.getContainer().get(1), new Object[]{1});
+ Assert.assertTrue(block2.isEndOfStreamBlock(), "expected EOS block to
propagate");
+ }
+
+ @Test
+ public void shouldOffsetSortInputOneBlockWithThreeRows() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{INT});
+ SortOperator op = new SortOperator(_input, collation, directions, 10, 1,
schema);
+
+ Mockito.when(_input.nextBlock())
+ .thenReturn(block(schema, new Object[]{2}, new Object[]{1}, new
Object[]{3}))
+ .thenReturn(TransferableBlockUtils.getEndOfStreamTransferableBlock());
+
+ // When:
+ op.nextBlock(); // consume, create NOOP
+ TransferableBlock block = op.nextBlock(); // construct
+ TransferableBlock block2 = op.nextBlock(); // eos
+
+ // Then:
+ Assert.assertEquals(block.getNumRows(), 2);
+ Assert.assertEquals(block.getContainer().get(0), new Object[]{2});
+ Assert.assertEquals(block.getContainer().get(1), new Object[]{3});
+ Assert.assertTrue(block2.isEndOfStreamBlock(), "expected EOS block to
propagate");
+ }
+
+ @Test
+ public void shouldOffsetLimitSortInputOneBlockWithThreeRows() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{INT});
+ SortOperator op = new SortOperator(_input, collation, directions, 1, 1,
schema);
+
+ Mockito.when(_input.nextBlock())
+ .thenReturn(block(schema, new Object[]{2}, new Object[]{1}, new
Object[]{3}))
+ .thenReturn(TransferableBlockUtils.getEndOfStreamTransferableBlock());
+
+ // When:
+ op.nextBlock(); // consume, create NOOP
+ TransferableBlock block = op.nextBlock(); // construct
+ TransferableBlock block2 = op.nextBlock(); // eos
+
+ // Then:
+ Assert.assertEquals(block.getNumRows(), 1);
+ Assert.assertEquals(block.getContainer().get(0), new Object[]{2});
+ Assert.assertTrue(block2.isEndOfStreamBlock(), "expected EOS block to
propagate");
+ }
+
+ @Test
+ public void shouldRespectMaxLimit() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{INT});
+ SortOperator op = new SortOperator(_input, collation, directions, 2, 0,
schema, 1);
+
+ Mockito.when(_input.nextBlock())
+ .thenReturn(block(schema, new Object[]{2}, new Object[]{1}, new
Object[]{3}))
+ .thenReturn(TransferableBlockUtils.getEndOfStreamTransferableBlock());
+
+ // When:
+ op.nextBlock(); // consume, create NOOP
+ TransferableBlock block = op.nextBlock(); // construct
+ TransferableBlock block2 = op.nextBlock(); // eos
+
+ // Then:
+ Assert.assertEquals(block.getNumRows(), 1, "expected 1 element even though
fetch is 2 because of max limit");
+ Assert.assertEquals(block.getContainer().get(0), new Object[]{1});
+ Assert.assertTrue(block2.isEndOfStreamBlock(), "expected EOS block to
propagate");
+ }
+
+ @Test
+ public void shouldFetchAllWithNegativeFetch() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{INT});
+ SortOperator op = new SortOperator(_input, collation, directions, -1, 0,
schema);
+
+ Mockito.when(_input.nextBlock())
+ .thenReturn(block(schema, new Object[]{2}, new Object[]{1}, new
Object[]{3}))
+ .thenReturn(TransferableBlockUtils.getEndOfStreamTransferableBlock());
+
+ // When:
+ op.nextBlock(); // consume, create NOOP
+ TransferableBlock block = op.nextBlock(); // construct
+ TransferableBlock block2 = op.nextBlock(); // eos
+
+ // Then:
+ Assert.assertEquals(block.getNumRows(), 3);
+ Assert.assertTrue(block2.isEndOfStreamBlock(), "expected EOS block to
propagate");
+ }
+
+ @Test
+ public void shouldConsumeAndSortTwoInputBlocksWithOneRowEach() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{INT});
+ SortOperator op = new SortOperator(_input, collation, directions, 10, 0,
schema);
+
+ Mockito.when(_input.nextBlock())
+ .thenReturn(block(schema, new Object[]{2}))
+ .thenReturn(block(schema, new Object[]{1}))
+ .thenReturn(TransferableBlockUtils.getEndOfStreamTransferableBlock());
+
+ // When:
+ op.nextBlock(); // consume, create NOOP
+ op.nextBlock(); // consume, create NOOP
+ TransferableBlock block = op.nextBlock(); // construct
+ TransferableBlock block2 = op.nextBlock(); // eos
+
+ // Then:
+ Assert.assertEquals(block.getNumRows(), 2);
+ Assert.assertEquals(block.getContainer().get(0), new Object[]{1});
+ Assert.assertEquals(block.getContainer().get(1), new Object[]{2});
+ Assert.assertTrue(block2.isEndOfStreamBlock(), "expected EOS block to
propagate");
+ }
+
+ @Test
+ public void shouldBreakTiesUsingSecondCollationKey() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"first", "second"}, new
DataSchema.ColumnDataType[]{INT, INT});
+ SortOperator op = new SortOperator(_input, collation, directions, 10, 0,
schema);
+
+ Mockito.when(_input.nextBlock())
+ .thenReturn(block(schema, new Object[]{1, 2}, new Object[]{1, 1}))
+ .thenReturn(TransferableBlockUtils.getEndOfStreamTransferableBlock());
+
+ // When:
+ op.nextBlock(); // consume, create NOOP
+ TransferableBlock block = op.nextBlock(); // construct
+ TransferableBlock block2 = op.nextBlock(); // eos
+
+ // Then:
+ Assert.assertEquals(block.getNumRows(), 2);
+ Assert.assertEquals(block.getContainer().get(0), new Object[]{1, 1});
+ Assert.assertEquals(block.getContainer().get(1), new Object[]{1, 2});
+ Assert.assertTrue(block2.isEndOfStreamBlock(), "expected EOS block to
propagate");
+ }
+
+ @Test
+ public void shouldHandleNoOpUpstreamBlockWhileConstructing() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{INT});
+ SortOperator op = new SortOperator(_input, collation, directions, 10, 0,
schema);
+
+ Mockito.when(_input.nextBlock())
+ .thenReturn(block(schema, new Object[]{2}))
+ .thenReturn(TransferableBlockUtils.getNoOpTransferableBlock())
+ .thenReturn(block(schema, new Object[]{1}))
+ .thenReturn(TransferableBlockUtils.getEndOfStreamTransferableBlock());
+
+ // When:
+ op.nextBlock(); // consume, create NOOP
+ op.nextBlock(); // consume and do nothing
+ op.nextBlock(); // consume, create NOOP
+ TransferableBlock block = op.nextBlock(); // construct
+ TransferableBlock block2 = op.nextBlock(); // eos
+
+ // Then:
+ Assert.assertEquals(block.getNumRows(), 2);
+ Assert.assertEquals(block.getContainer().get(0), new Object[]{1});
+ Assert.assertEquals(block.getContainer().get(1), new Object[]{2});
+ Assert.assertTrue(block2.isEndOfStreamBlock(), "expected EOS block to
propagate");
+ }
+
+ private static List<RexExpression> collation(int... indexes) {
+ return
Arrays.stream(indexes).mapToObj(RexExpression.InputRef::new).collect(Collectors.toList());
+ }
Review Comment:
i am pretty sure but can we test collation indexes that are not the
beginning one?
##########
pinot-query-runtime/src/test/java/org/apache/pinot/query/runtime/operator/SortOperatorTest.java:
##########
@@ -0,0 +1,363 @@
+/**
+ * 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.query.runtime.operator;
+
+import com.google.common.collect.ImmutableList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+import org.apache.calcite.rel.RelFieldCollation.Direction;
+import org.apache.pinot.common.datablock.DataBlock;
+import org.apache.pinot.common.utils.DataSchema;
+import org.apache.pinot.core.common.Operator;
+import org.apache.pinot.query.planner.logical.RexExpression;
+import org.apache.pinot.query.runtime.blocks.TransferableBlock;
+import org.apache.pinot.query.runtime.blocks.TransferableBlockUtils;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.MockitoAnnotations;
+import org.testng.Assert;
+import org.testng.annotations.AfterMethod;
+import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.Test;
+
+import static org.apache.pinot.common.utils.DataSchema.ColumnDataType.INT;
+import static org.apache.pinot.common.utils.DataSchema.ColumnDataType.STRING;
+
+
+public class SortOperatorTest {
+
+ private AutoCloseable _mocks;
+
+ @Mock
+ private Operator<TransferableBlock> _input;
+
+ @BeforeMethod
+ public void setUp() {
+ _mocks = MockitoAnnotations.openMocks(this);
+ }
+
+ @AfterMethod
+ public void tearDown()
+ throws Exception {
+ _mocks.close();
+ }
+
+ @Test
+ public void shouldHandleUpstreamErrorBlock() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{INT});
+ SortOperator op = new SortOperator(_input, collation, directions, 10, 0,
schema);
+
+ Mockito.when(_input.nextBlock())
+ .thenReturn(TransferableBlockUtils.getErrorTransferableBlock(new
Exception("foo!")));
+
+ // When:
+ TransferableBlock block = op.nextBlock();
+
+ // Then:
+ Assert.assertTrue(block.isErrorBlock(), "expected error block to
propagate");
+ }
+
+ @Test
+ public void shouldHandleUpstreamNoOpBlock() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{INT});
+ SortOperator op = new SortOperator(_input, collation, directions, 10, 0,
schema);
+
+
Mockito.when(_input.nextBlock()).thenReturn(TransferableBlockUtils.getNoOpTransferableBlock());
+
+ // When:
+ TransferableBlock block = op.nextBlock();
+
+ // Then:
+ Assert.assertTrue(block.isNoOpBlock(), "expected noop block to propagate");
+ }
+
+ @Test
+ public void shouldCreateEmptyBlockOnUpstreamEOS() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{INT});
+ SortOperator op = new SortOperator(_input, collation, directions, 10, 0,
schema);
+
+
Mockito.when(_input.nextBlock()).thenReturn(TransferableBlockUtils.getEndOfStreamTransferableBlock());
+
+ // When:
+ TransferableBlock block = op.nextBlock();
+
+ // Then:
+ Assert.assertTrue(block.isEndOfStreamBlock(), "expected EOS block to
propagate");
+ }
+
+ @Test
+ public void shouldConsumeAndSortInputOneBlockWithTwoRows() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{INT});
+ SortOperator op = new SortOperator(_input, collation, directions, 10, 0,
schema);
+
+ Mockito.when(_input.nextBlock())
+ .thenReturn(block(schema, new Object[]{2}, new Object[]{1}))
+ .thenReturn(TransferableBlockUtils.getEndOfStreamTransferableBlock());
+
+ // When:
+ op.nextBlock(); // consume, create NOOP
+ TransferableBlock block = op.nextBlock(); // construct
+ TransferableBlock block2 = op.nextBlock(); // eos
+
+ // Then:
+ Assert.assertEquals(block.getNumRows(), 2);
+ Assert.assertEquals(block.getContainer().get(0), new Object[]{1});
+ Assert.assertEquals(block.getContainer().get(1), new Object[]{2});
+ Assert.assertTrue(block2.isEndOfStreamBlock(), "expected EOS block to
propagate");
+ }
+
+ @Test
+ public void shouldConsumeAndSortInputOneBlockWithTwoRowsNonNumeric() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{STRING});
+ SortOperator op = new SortOperator(_input, collation, directions, 10, 0,
schema);
+
+ Mockito.when(_input.nextBlock())
+ .thenReturn(block(schema, new Object[]{"b"}, new Object[]{"a"}))
+ .thenReturn(TransferableBlockUtils.getEndOfStreamTransferableBlock());
+
+ // When:
+ op.nextBlock(); // consume, create NOOP
+ TransferableBlock block = op.nextBlock(); // construct
+ TransferableBlock block2 = op.nextBlock(); // eos
+
+ // Then:
+ Assert.assertEquals(block.getNumRows(), 2);
+ Assert.assertEquals(block.getContainer().get(0), new Object[]{"a"});
+ Assert.assertEquals(block.getContainer().get(1), new Object[]{"b"});
+ Assert.assertTrue(block2.isEndOfStreamBlock(), "expected EOS block to
propagate");
+ }
+
+ @Test
+ public void shouldConsumeAndSortDescending() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.DESCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{INT});
+ SortOperator op = new SortOperator(_input, collation, directions, 10, 0,
schema);
+
+ Mockito.when(_input.nextBlock())
+ .thenReturn(block(schema, new Object[]{2}, new Object[]{1}))
+ .thenReturn(TransferableBlockUtils.getEndOfStreamTransferableBlock());
+
+ // When:
+ op.nextBlock(); // consume, create NOOP
+ TransferableBlock block = op.nextBlock(); // construct
+ TransferableBlock block2 = op.nextBlock(); // eos
+
+ // Then:
+ Assert.assertEquals(block.getNumRows(), 2);
+ Assert.assertEquals(block.getContainer().get(0), new Object[]{2});
+ Assert.assertEquals(block.getContainer().get(1), new Object[]{1});
+ Assert.assertTrue(block2.isEndOfStreamBlock(), "expected EOS block to
propagate");
+ }
+
+ @Test
+ public void shouldOffsetSortInputOneBlockWithThreeRows() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{INT});
+ SortOperator op = new SortOperator(_input, collation, directions, 10, 1,
schema);
+
+ Mockito.when(_input.nextBlock())
+ .thenReturn(block(schema, new Object[]{2}, new Object[]{1}, new
Object[]{3}))
+ .thenReturn(TransferableBlockUtils.getEndOfStreamTransferableBlock());
+
+ // When:
+ op.nextBlock(); // consume, create NOOP
+ TransferableBlock block = op.nextBlock(); // construct
+ TransferableBlock block2 = op.nextBlock(); // eos
+
+ // Then:
+ Assert.assertEquals(block.getNumRows(), 2);
+ Assert.assertEquals(block.getContainer().get(0), new Object[]{2});
+ Assert.assertEquals(block.getContainer().get(1), new Object[]{3});
+ Assert.assertTrue(block2.isEndOfStreamBlock(), "expected EOS block to
propagate");
+ }
+
+ @Test
+ public void shouldOffsetLimitSortInputOneBlockWithThreeRows() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{INT});
+ SortOperator op = new SortOperator(_input, collation, directions, 1, 1,
schema);
+
+ Mockito.when(_input.nextBlock())
+ .thenReturn(block(schema, new Object[]{2}, new Object[]{1}, new
Object[]{3}))
+ .thenReturn(TransferableBlockUtils.getEndOfStreamTransferableBlock());
+
+ // When:
+ op.nextBlock(); // consume, create NOOP
+ TransferableBlock block = op.nextBlock(); // construct
+ TransferableBlock block2 = op.nextBlock(); // eos
+
+ // Then:
+ Assert.assertEquals(block.getNumRows(), 1);
+ Assert.assertEquals(block.getContainer().get(0), new Object[]{2});
+ Assert.assertTrue(block2.isEndOfStreamBlock(), "expected EOS block to
propagate");
+ }
+
+ @Test
+ public void shouldRespectMaxLimit() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{INT});
+ SortOperator op = new SortOperator(_input, collation, directions, 2, 0,
schema, 1);
+
+ Mockito.when(_input.nextBlock())
+ .thenReturn(block(schema, new Object[]{2}, new Object[]{1}, new
Object[]{3}))
+ .thenReturn(TransferableBlockUtils.getEndOfStreamTransferableBlock());
+
+ // When:
+ op.nextBlock(); // consume, create NOOP
+ TransferableBlock block = op.nextBlock(); // construct
+ TransferableBlock block2 = op.nextBlock(); // eos
+
+ // Then:
+ Assert.assertEquals(block.getNumRows(), 1, "expected 1 element even though
fetch is 2 because of max limit");
+ Assert.assertEquals(block.getContainer().get(0), new Object[]{1});
+ Assert.assertTrue(block2.isEndOfStreamBlock(), "expected EOS block to
propagate");
+ }
+
+ @Test
+ public void shouldFetchAllWithNegativeFetch() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{INT});
+ SortOperator op = new SortOperator(_input, collation, directions, -1, 0,
schema);
+
+ Mockito.when(_input.nextBlock())
+ .thenReturn(block(schema, new Object[]{2}, new Object[]{1}, new
Object[]{3}))
+ .thenReturn(TransferableBlockUtils.getEndOfStreamTransferableBlock());
+
+ // When:
+ op.nextBlock(); // consume, create NOOP
+ TransferableBlock block = op.nextBlock(); // construct
+ TransferableBlock block2 = op.nextBlock(); // eos
+
+ // Then:
+ Assert.assertEquals(block.getNumRows(), 3);
+ Assert.assertTrue(block2.isEndOfStreamBlock(), "expected EOS block to
propagate");
+ }
+
+ @Test
+ public void shouldConsumeAndSortTwoInputBlocksWithOneRowEach() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"sort"}, new
DataSchema.ColumnDataType[]{INT});
+ SortOperator op = new SortOperator(_input, collation, directions, 10, 0,
schema);
+
+ Mockito.when(_input.nextBlock())
+ .thenReturn(block(schema, new Object[]{2}))
+ .thenReturn(block(schema, new Object[]{1}))
+ .thenReturn(TransferableBlockUtils.getEndOfStreamTransferableBlock());
+
+ // When:
+ op.nextBlock(); // consume, create NOOP
+ op.nextBlock(); // consume, create NOOP
+ TransferableBlock block = op.nextBlock(); // construct
+ TransferableBlock block2 = op.nextBlock(); // eos
+
+ // Then:
+ Assert.assertEquals(block.getNumRows(), 2);
+ Assert.assertEquals(block.getContainer().get(0), new Object[]{1});
+ Assert.assertEquals(block.getContainer().get(1), new Object[]{2});
+ Assert.assertTrue(block2.isEndOfStreamBlock(), "expected EOS block to
propagate");
+ }
+
+ @Test
+ public void shouldBreakTiesUsingSecondCollationKey() {
+ // Given:
+ List<RexExpression> collation = collation(0);
+ List<Direction> directions = ImmutableList.of(Direction.ASCENDING);
+ DataSchema schema = new DataSchema(new String[]{"first", "second"}, new
DataSchema.ColumnDataType[]{INT, INT});
+ SortOperator op = new SortOperator(_input, collation, directions, 10, 0,
schema);
+
+ Mockito.when(_input.nextBlock())
+ .thenReturn(block(schema, new Object[]{1, 2}, new Object[]{1, 1}))
+ .thenReturn(TransferableBlockUtils.getEndOfStreamTransferableBlock());
+
+ // When:
+ op.nextBlock(); // consume, create NOOP
+ TransferableBlock block = op.nextBlock(); // construct
+ TransferableBlock block2 = op.nextBlock(); // eos
+
+ // Then:
+ Assert.assertEquals(block.getNumRows(), 2);
+ Assert.assertEquals(block.getContainer().get(0), new Object[]{1, 1});
+ Assert.assertEquals(block.getContainer().get(1), new Object[]{1, 2});
+ Assert.assertTrue(block2.isEndOfStreamBlock(), "expected EOS block to
propagate");
+ }
+
+ @Test
+ public void shouldHandleNoOpUpstreamBlockWhileConstructing() {
+ // Given:
+ List<RexExpression> collation = collation(0);
Review Comment:
need a multiple collation test.
need a multiple collation and multiple ASCENDING/DESCENDING direction mix
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