Fix non-sqlcompat validation in CalciteWindowQueryTest (#15086)

* fixes

* check for latest rewrite place

* Revert "check for latest rewrite place"

This reverts commit 5cf1e2c1ca.

* some stuff

(cherry picked from commit ab346d4373ea888eb8ef6115e018e7fb0d27407f)

* update test output

* updates to test ouptuts

* some stuff

* move validator

* cleanup

* fix

* change test slightly

* add apidoc cleanup warnings

* cleanup/etc

* instead of telling the story; add a fail with some reason whats the issue

* lead-lag fix

* add test

* remove unnecessary throw

* druidexception-trial

* Revert "druidexception-trial"

This reverts commit 8fa06644bc.

* undo changes to no_grouping; add no_grouping2

* add missing assert on resultcount

* rename method; update

* introduce enum/etc

* make resultmatchmode accessible from TestBuilder#expectedResults

* fix dump results to use log

* fix

* handle null correctly

* disable feature type based things for MSQ

* fix varianssqlaggtest

* use eps in other test

* fix intellij error

* add final

* addrss review

* update test/string/etc

* write concat in 3 lines :D

extensions-contrib/tdigestsketch/src/test/java/org/apache/druid/query/aggregation/tdigestsketch/sql/TDigestSketchSqlAggregatorTest.java

@@ -53,7 +53,6 @@ import org.apache.druid.sql.calcite.util.SpecificSegmentsQuerySegmentWalker;
 import org.apache.druid.sql.calcite.util.TestDataBuilder;
 import org.apache.druid.timeline.DataSegment;
 import org.apache.druid.timeline.partition.LinearShardSpec;
-import org.junit.Assert;
 import org.junit.Test;
 
 import java.io.IOException;
@@ -130,6 +129,7 @@ public class TDigestSketchSqlAggregatorTest extends BaseCalciteQueryTest
                   .context(QUERY_CONTEXT_DEFAULT)
                   .build()
         ),
+        ResultMatchMode.EQUALS_EPS,
         ImmutableList.of(
             new String[]{
                 "\"AAAAAT/wAAAAAAAAQBgAAAAAAABAaQAAAAAAAAAAAAY/8AAAAAAAAD/wAAAAAAAAP/AAAAAAAABAAAAAAAAAAD/wAAAAAAAAQAgAAAAAAAA/8AAAAAAAAEAQAAAAAAAAP/AAAAAAAABAFAAAAAAAAD/wAAAAAAAAQBgAAAAAAAA=\""
@@ -166,6 +166,7 @@ public class TDigestSketchSqlAggregatorTest extends BaseCalciteQueryTest
                   .context(QUERY_CONTEXT_DEFAULT)
                   .build()
         ),
+        ResultMatchMode.EQUALS_EPS,
         ImmutableList.of(
             NullHandling.replaceWithDefault()
             ? new String[]{
@@ -198,6 +199,7 @@ public class TDigestSketchSqlAggregatorTest extends BaseCalciteQueryTest
                   .context(QUERY_CONTEXT_DEFAULT)
                   .build()
         ),
+        ResultMatchMode.EQUALS_EPS,
         ImmutableList.of(
             new Object[]{"\"AAAAAT/wAAAAAAAAQBgAAAAAAABAWQAAAAAAAAAAAAY/8AAAAAAAAD/wAAAAAAAAP/AAAAAAAABAAAAAAAAAAD/wAAAAAAAAQAgAAAAAAAA/8AAAAAAAAEAQAAAAAAAAP/AAAAAAAABAFAAAAAAAAD/wAAAAAAAAQBgAAAAAAAA=\""}
         )
@@ -242,6 +244,7 @@ public class TDigestSketchSqlAggregatorTest extends BaseCalciteQueryTest
                   .context(QUERY_CONTEXT_DEFAULT)
                   .build()
         ),
+        ResultMatchMode.EQUALS_EPS,
         expectedResults
     );
   }
@@ -297,6 +300,7 @@ public class TDigestSketchSqlAggregatorTest extends BaseCalciteQueryTest
                         .setContext(QUERY_CONTEXT_DEFAULT)
                         .build()
         ),
+        ResultMatchMode.EQUALS_EPS,
         expectedResults
     );
   }
@@ -334,6 +338,7 @@ public class TDigestSketchSqlAggregatorTest extends BaseCalciteQueryTest
                   .context(QUERY_CONTEXT_DEFAULT)
                   .build()
         ),
+        ResultMatchMode.EQUALS_EPS,
         expectedResults
     );
   }
@@ -370,6 +375,7 @@ public class TDigestSketchSqlAggregatorTest extends BaseCalciteQueryTest
                   .context(QUERY_CONTEXT_DEFAULT)
                   .build()
         ),
+        ResultMatchMode.EQUALS_EPS,
         ImmutableList.of(
             new Object[]{1.0, 3.5, 6.0}
         )
@@ -421,6 +427,7 @@ public class TDigestSketchSqlAggregatorTest extends BaseCalciteQueryTest
                   .context(QUERY_CONTEXT_DEFAULT)
                   .build()
         ),
+        ResultMatchMode.EQUALS_EPS,
         ImmutableList.of(
             NullHandling.replaceWithDefault()
             ? new Object[]{0.0, 0.5, 10.1}
@@ -455,6 +462,7 @@ public class TDigestSketchSqlAggregatorTest extends BaseCalciteQueryTest
                   .context(QUERY_CONTEXT_DEFAULT)
                   .build()
         ),
+        ResultMatchMode.EQUALS_EPS,
         ImmutableList.of(
             new Object[]{"\"AAAAAX/wAAAAAAAA//AAAAAAAABAWQAAAAAAAAAAAAA=\"", Double.NaN}
         )
@@ -499,32 +507,13 @@ public class TDigestSketchSqlAggregatorTest extends BaseCalciteQueryTest
                         .setContext(QUERY_CONTEXT_DEFAULT)
                         .build()
         ),
+        ResultMatchMode.EQUALS_EPS,
         ImmutableList.of(
             new Object[]{"a", "\"AAAAAX/wAAAAAAAA//AAAAAAAABAWQAAAAAAAAAAAAA=\"", Double.NaN}
         )
     );
   }
 
-  @Override
-  public void assertResultsEquals(String sql, List<Object[]> expectedResults, List<Object[]> results)
-  {
-    Assert.assertEquals(expectedResults.size(), results.size());
-    for (int i = 0; i < expectedResults.size(); i++) {
-      Object[] expectedResult = expectedResults.get(i);
-      Object[] result = results.get(i);
-      Assert.assertEquals(expectedResult.length, result.length);
-      for (int j = 0; j < expectedResult.length; j++) {
-        if (expectedResult[j] instanceof Float) {
-          Assert.assertEquals((Float) expectedResult[j], (Float) result[j], 0.000001);
-        } else if (expectedResult[j] instanceof Double) {
-          Assert.assertEquals((Double) expectedResult[j], (Double) result[j], 0.000001);
-        } else {
-          Assert.assertEquals(expectedResult[j], result[j]);
-        }
-      }
-    }
-  }
-
   private static PostAggregator makeFieldAccessPostAgg(String name)
   {
     return new FieldAccessPostAggregator(name, name);

extensions-core/stats/src/test/java/org/apache/druid/query/aggregation/variance/sql/VarianceSqlAggregatorTest.java

@@ -62,7 +62,6 @@ import org.apache.druid.sql.calcite.util.SpecificSegmentsQuerySegmentWalker;
 import org.apache.druid.sql.calcite.util.TestDataBuilder;
 import org.apache.druid.timeline.DataSegment;
 import org.apache.druid.timeline.partition.LinearShardSpec;
-import org.junit.Assert;
 import org.junit.Test;
 
 import java.io.IOException;
@@ -196,6 +195,7 @@ public class VarianceSqlAggregatorTest extends BaseCalciteQueryTest
                   .context(BaseCalciteQueryTest.QUERY_CONTEXT_DEFAULT)
                   .build()
         ),
+        ResultMatchMode.EQUALS_EPS,
         expectedResults
     );
   }
@@ -243,6 +243,7 @@ public class VarianceSqlAggregatorTest extends BaseCalciteQueryTest
                   .context(BaseCalciteQueryTest.QUERY_CONTEXT_DEFAULT)
                   .build()
         ),
+        ResultMatchMode.EQUALS_EPS,
         expectedResults
     );
   }
@@ -298,6 +299,7 @@ public class VarianceSqlAggregatorTest extends BaseCalciteQueryTest
                   .context(BaseCalciteQueryTest.QUERY_CONTEXT_DEFAULT)
                   .build()
         ),
+        ResultMatchMode.EQUALS_EPS,
         expectedResults
     );
   }
@@ -351,6 +353,7 @@ public class VarianceSqlAggregatorTest extends BaseCalciteQueryTest
                   .context(BaseCalciteQueryTest.QUERY_CONTEXT_DEFAULT)
                   .build()
         ),
+        ResultMatchMode.EQUALS_EPS,
         expectedResults
     );
   }
@@ -409,6 +412,7 @@ public class VarianceSqlAggregatorTest extends BaseCalciteQueryTest
                   .context(BaseCalciteQueryTest.QUERY_CONTEXT_DEFAULT)
                   .build()
         ),
+        ResultMatchMode.EQUALS_EPS,
         expectedResults
     );
   }
@@ -455,6 +459,7 @@ public class VarianceSqlAggregatorTest extends BaseCalciteQueryTest
                         .setContext(BaseCalciteQueryTest.QUERY_CONTEXT_DEFAULT)
                         .build()
         ),
+        ResultMatchMode.EQUALS_EPS,
         expectedResults
     );
   }
@@ -491,6 +496,7 @@ public class VarianceSqlAggregatorTest extends BaseCalciteQueryTest
             .context(BaseCalciteQueryTest.QUERY_CONTEXT_DEFAULT)
             .build()
         ),
+        ResultMatchMode.EQUALS_EPS,
         ImmutableList.of(
             NullHandling.replaceWithDefault()
             ? new Object[]{3.61497656362466, 3.960008417499471, 3.960008417499471, 15.681666666666667}
@@ -541,6 +547,7 @@ public class VarianceSqlAggregatorTest extends BaseCalciteQueryTest
                   .context(BaseCalciteQueryTest.QUERY_CONTEXT_DEFAULT)
                   .build()
         ),
+        ResultMatchMode.EQUALS_EPS,
         ImmutableList.of(
             NullHandling.replaceWithDefault()
             ? new Object[]{0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}
@@ -621,6 +628,7 @@ public class VarianceSqlAggregatorTest extends BaseCalciteQueryTest
                         .setContext(QUERY_CONTEXT_DEFAULT)
                         .build()
         ),
+        ResultMatchMode.EQUALS_EPS,
         ImmutableList.of(
             NullHandling.replaceWithDefault()
             ? new Object[]{"a", 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0}
@@ -674,27 +682,8 @@ public class VarianceSqlAggregatorTest extends BaseCalciteQueryTest
                   .context(BaseCalciteQueryTest.QUERY_CONTEXT_DEFAULT)
                   .build()
         ),
+        ResultMatchMode.EQUALS_EPS,
         expectedResults
     );
   }
-
-  @Override
-  public void assertResultsEquals(String sql, List<Object[]> expectedResults, List<Object[]> results)
-  {
-    Assert.assertEquals(expectedResults.size(), results.size());
-    for (int i = 0; i < expectedResults.size(); i++) {
-      Object[] expectedResult = expectedResults.get(i);
-      Object[] result = results.get(i);
-      Assert.assertEquals(expectedResult.length, result.length);
-      for (int j = 0; j < expectedResult.length; j++) {
-        if (expectedResult[j] instanceof Float) {
-          Assert.assertEquals((Float) expectedResult[j], (Float) result[j], 1e-5);
-        } else if (expectedResult[j] instanceof Double) {
-          Assert.assertEquals((Double) expectedResult[j], (Double) result[j], 1e-5);
-        } else {
-          Assert.assertEquals(expectedResult[j], result[j]);
-        }
-      }
-    }
-  }
 }

processing/src/main/java/org/apache/druid/common/config/NullHandling.java

@@ -22,6 +22,7 @@ package org.apache.druid.common.config;
 import com.google.common.annotations.VisibleForTesting;
 import com.google.common.base.Strings;
 import com.google.inject.Inject;
+import org.apache.druid.segment.column.ValueType;
 import org.apache.druid.segment.data.Indexed;
 
 import javax.annotation.Nullable;
@@ -161,6 +162,28 @@ public class NullHandling
     }
   }
 
+  /**
+   * Returns the default value for the given {@link ValueType}.
+   *
+   * May be null or non-null based on the current SQL-compatible null handling mode.
+   */
+  @Nullable
+  @SuppressWarnings("unchecked")
+  public static Object defaultValueForType(ValueType type)
+  {
+    if (type == ValueType.FLOAT) {
+      return defaultFloatValue();
+    } else if (type == ValueType.DOUBLE) {
+      return defaultDoubleValue();
+    } else if (type == ValueType.LONG) {
+      return defaultLongValue();
+    } else if (type == ValueType.STRING) {
+      return defaultStringValue();
+    } else {
+      return null;
+    }
+  }
+
   public static boolean isNullOrEquivalent(@Nullable String value)
   {
     return replaceWithDefault() ? Strings.isNullOrEmpty(value) : value == null;

processing/src/test/java/org/apache/druid/common/config/NullHandlingTest.java

@@ -20,6 +20,7 @@
 package org.apache.druid.common.config;
 
 import org.apache.druid.java.util.common.StringUtils;
+import org.apache.druid.segment.column.ValueType;
 import org.apache.druid.segment.data.ListIndexed;
 import org.apache.druid.testing.InitializedNullHandlingTest;
 import org.junit.Assert;
@@ -27,6 +28,8 @@ import org.junit.Test;
 
 import java.util.Collections;
 
+import static org.apache.druid.common.config.NullHandling.defaultValueForClass;
+import static org.apache.druid.common.config.NullHandling.defaultValueForType;
 import static org.apache.druid.common.config.NullHandling.replaceWithDefault;
 import static org.junit.Assert.assertEquals;
 
@@ -89,6 +92,17 @@ public final class NullHandlingTest extends InitializedNullHandlingTest
     Assert.assertNull(NullHandling.defaultValueForClass(Object.class));
   }
 
+  @Test
+  public void test_defaultValueForType()
+  {
+    assertEquals(defaultValueForClass(Float.class), defaultValueForType(ValueType.FLOAT));
+    assertEquals(defaultValueForClass(Double.class), defaultValueForType(ValueType.DOUBLE));
+    assertEquals(defaultValueForClass(Long.class), defaultValueForType(ValueType.LONG));
+    assertEquals(defaultValueForClass(String.class), defaultValueForType(ValueType.STRING));
+    assertEquals(defaultValueForClass(Object.class), defaultValueForType(ValueType.COMPLEX));
+    assertEquals(defaultValueForClass(Object.class), defaultValueForType(ValueType.ARRAY));
+  }
+
   @Test
   public void test_ignoreNullsStrings()
   {

sql/src/test/java/org/apache/druid/sql/calcite/BaseCalciteQueryTest.java

@@ -77,6 +77,7 @@ import org.apache.druid.query.topn.TopNQueryConfig;
 import org.apache.druid.segment.column.ColumnHolder;
 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.segment.join.JoinType;
 import org.apache.druid.segment.join.JoinableFactoryWrapper;
 import org.apache.druid.segment.virtual.ExpressionVirtualColumn;
@@ -86,6 +87,7 @@ import org.apache.druid.server.security.AuthenticationResult;
 import org.apache.druid.server.security.ForbiddenException;
 import org.apache.druid.server.security.ResourceAction;
 import org.apache.druid.sql.SqlStatementFactory;
+import org.apache.druid.sql.calcite.QueryTestRunner.QueryResults;
 import org.apache.druid.sql.calcite.expression.DruidExpression;
 import org.apache.druid.sql.calcite.planner.Calcites;
 import org.apache.druid.sql.calcite.planner.PlannerConfig;
@@ -120,19 +122,22 @@ import org.junit.rules.ExpectedException;
 import org.junit.rules.TemporaryFolder;
 
 import javax.annotation.Nullable;
+
 import java.io.IOException;
-import java.io.PrintStream;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashMap;
 import java.util.List;
-import java.util.Locale;
 import java.util.Map;
+import java.util.Optional;
 import java.util.Properties;
 import java.util.Set;
 import java.util.function.Consumer;
 import java.util.stream.Collectors;
 
+import static org.junit.Assert.assertEquals;
+
 /**
  * A base class for SQL query testing. It sets up query execution environment, provides useful helper methods,
  * and populates data using {@link CalciteTests#createMockWalker}.
@@ -140,6 +145,7 @@ import java.util.stream.Collectors;
 public class BaseCalciteQueryTest extends CalciteTestBase
     implements QueryComponentSupplier, PlannerComponentSupplier
 {
+  public static final double ASSERTION_EPSILON = 1e-5;
   public static String NULL_STRING;
   public static Float NULL_FLOAT;
   public static Long NULL_LONG;
@@ -839,6 +845,20 @@ public class BaseCalciteQueryTest extends CalciteTestBase
         .run();
   }
 
+  public void testQuery(
+      final String sql,
+      final List<Query<?>> expectedQueries,
+      final ResultMatchMode resultsMatchMode,
+      final List<Object[]> expectedResults
+  )
+  {
+    testBuilder()
+        .sql(sql)
+        .expectedQueries(expectedQueries)
+        .expectedResults(resultsMatchMode, expectedResults)
+        .run();
+  }
+
   public void testQuery(
       final String sql,
       final List<Query<?>> expectedQueries,
@@ -1033,11 +1053,13 @@ public class BaseCalciteQueryTest extends CalciteTestBase
     @Override
     public ResultsVerifier defaultResultsVerifier(
         List<Object[]> expectedResults,
+        ResultMatchMode expectedResultMatchMode,
         RowSignature expectedResultSignature
     )
     {
       return BaseCalciteQueryTest.this.defaultResultsVerifier(
           expectedResults,
+          expectedResultMatchMode,
           expectedResultSignature
       );
     }
@@ -1055,6 +1077,114 @@ public class BaseCalciteQueryTest extends CalciteTestBase
     }
   }
 
+  public enum ResultMatchMode
+  {
+    EQUALS {
+      @Override
+      void validate(int row, int column, ValueType type, Object expectedCell, Object resultCell)
+      {
+        assertEquals(
+            mismatchMessage(row, column),
+            expectedCell,
+            resultCell);
+      }
+    },
+    RELAX_NULLS {
+      @Override
+      void validate(int row, int column, ValueType type, Object expectedCell, Object resultCell)
+      {
+        if (expectedCell == null) {
+          if (resultCell == null) {
+            return;
+          }
+          expectedCell = NullHandling.defaultValueForType(type);
+        }
+        EQUALS.validate(row, column, type, expectedCell, resultCell);
+      }
+    },
+    EQUALS_EPS {
+      @Override
+      void validate(int row, int column, ValueType type, Object expectedCell, Object resultCell)
+      {
+        if (expectedCell instanceof Float) {
+          assertEquals(
+              mismatchMessage(row, column),
+              (Float) expectedCell,
+              (Float) resultCell,
+              ASSERTION_EPSILON);
+        } else if (expectedCell instanceof Double) {
+          assertEquals(
+              mismatchMessage(row, column),
+              (Double) expectedCell,
+              (Double) resultCell,
+              ASSERTION_EPSILON);
+        } else {
+          EQUALS.validate(row, column, type, expectedCell, resultCell);
+        }
+      }
+    };
+
+    abstract void validate(int row, int column, ValueType type, Object expectedCell, Object resultCell);
+
+    private static String mismatchMessage(int row, int column)
+    {
+      return StringUtils.format("column content mismatch at %d,%d", row, column);
+    }
+
+  }
+
+  /**
+   * Validates the results with slight loosening in case {@link NullHandling} is not sql compatible.
+   *
+   * In case {@link NullHandling#replaceWithDefault()} is true, if the expected result is <code>null</code> it accepts
+   * both <code>null</code> and the default value for that column as actual result.
+   */
+  public void assertResultsValid(final ResultMatchMode matchMode, final List<Object[]> expected, final QueryResults queryResults)
+  {
+    final List<Object[]> results = queryResults.results;
+    Assert.assertEquals("Result count mismatch", expected.size(), results.size());
+
+    final List<ValueType> types = new ArrayList<>();
+
+    final boolean isMSQ = isMSQRowType(queryResults.signature);
+
+    if (!isMSQ) {
+      for (int i = 0; i < queryResults.signature.getColumnNames().size(); i++) {
+        Optional<ColumnType> columnType = queryResults.signature.getColumnType(i);
+        if (columnType.isPresent()) {
+          types.add(columnType.get().getType());
+        } else {
+          types.add(null);
+        }
+      }
+    }
+
+    final int numRows = results.size();
+    for (int row = 0; row < numRows; row++) {
+      final Object[] expectedRow = expected.get(row);
+      final Object[] resultRow = results.get(row);
+      assertEquals("column count mismatch; at row#" + row, expectedRow.length, resultRow.length);
+
+      for (int i = 0; i < resultRow.length; i++) {
+        final Object resultCell = resultRow[i];
+        final Object expectedCell = expectedRow[i];
+
+        matchMode.validate(
+            row,
+            i,
+            isMSQ ? null : types.get(i),
+            expectedCell,
+            resultCell);
+      }
+    }
+  }
+
+  private boolean isMSQRowType(RowSignature signature)
+  {
+    List<String> colNames = signature.getColumnNames();
+    return colNames.size() == 1 && "TASK".equals(colNames.get(0));
+  }
+
   public void assertResultsEquals(String sql, List<Object[]> expectedResults, List<Object[]> results)
   {
     int minSize = Math.min(results.size(), expectedResults.size());
@@ -1331,15 +1461,16 @@ public class BaseCalciteQueryTest extends CalciteTestBase
       // do nothing
     }
 
-    void verify(String sql, List<Object[]> results);
+    void verify(String sql, QueryResults queryResults);
   }
 
   private ResultsVerifier defaultResultsVerifier(
       final List<Object[]> expectedResults,
+      ResultMatchMode expectedResultMatchMode,
       final RowSignature expectedSignature
   )
   {
-    return new DefaultResultsVerifier(expectedResults, expectedSignature);
+    return new DefaultResultsVerifier(expectedResults, expectedResultMatchMode, expectedSignature);
   }
 
   public class DefaultResultsVerifier implements ResultsVerifier
@@ -1347,11 +1478,18 @@ public class BaseCalciteQueryTest extends CalciteTestBase
     protected final List<Object[]> expectedResults;
     @Nullable
     protected final RowSignature expectedResultRowSignature;
+    protected final ResultMatchMode expectedResultMatchMode;
+
+    public DefaultResultsVerifier(List<Object[]> expectedResults, ResultMatchMode expectedResultMatchMode, RowSignature expectedSignature)
+    {
+      this.expectedResults = expectedResults;
+      this.expectedResultMatchMode = expectedResultMatchMode;
+      this.expectedResultRowSignature = expectedSignature;
+    }
 
     public DefaultResultsVerifier(List<Object[]> expectedResults, RowSignature expectedSignature)
     {
-      this.expectedResults = expectedResults;
-      this.expectedResultRowSignature = expectedSignature;
+      this(expectedResults, ResultMatchMode.EQUALS, expectedSignature);
     }
 
     @Override
@@ -1363,17 +1501,18 @@ public class BaseCalciteQueryTest extends CalciteTestBase
     }
 
     @Override
-    public void verify(String sql, List<Object[]> results)
+    public void verify(String sql, QueryResults queryResults)
     {
       try {
-        Assert.assertEquals(StringUtils.format("result count: %s", sql), expectedResults.size(), results.size());
-        assertResultsEquals(sql, expectedResults, results);
+        assertResultsValid(expectedResultMatchMode, expectedResults, queryResults);
       }
       catch (AssertionError e) {
-        displayResults("Actual", results);
+        log.info("sql: %s", sql);
+        log.info(resultsToString("Actual", queryResults.results));
         throw e;
       }
     }
+
   }
 
   /**
@@ -1382,58 +1521,84 @@ public class BaseCalciteQueryTest extends CalciteTestBase
    * expected results: let the test fail with empty results. The actual results
    * are printed to the console. Copy them into the test.
    */
-  public static void displayResults(String name, List<Object[]> results)
+  public static String resultsToString(String name, List<Object[]> results)
   {
-    PrintStream out = System.out;
-    out.printf(Locale.ENGLISH, "-- %s results --", name);
-    for (int rowIndex = 0; rowIndex < results.size(); rowIndex++) {
-      printArray(results.get(rowIndex), out);
-      if (rowIndex < results.size() - 1) {
-        out.print(",");
+    return new ResultsPrinter(name, results).getResult();
+  }
+
+  static class ResultsPrinter
+  {
+    private StringBuilder sb;
+
+    private ResultsPrinter(String name, List<Object[]> results)
+    {
+      sb = new StringBuilder();
+      sb.append("-- ");
+      sb.append(name);
+      sb.append(" results --\n");
+
+      for (int rowIndex = 0; rowIndex < results.size(); rowIndex++) {
+        printArray(results.get(rowIndex));
+        if (rowIndex < results.size() - 1) {
+          outprint(",");
+        }
+        sb.append('\n');
       }
-      out.println();
+      sb.append("----");
     }
-    out.println("----");
-  }
 
-  private static void printArray(final Object[] array, final PrintStream out)
-  {
-    printArrayImpl(array, out, "new Object[]{", "}");
-  }
-
-  private static void printList(final List<?> list, final PrintStream out)
-  {
-    printArrayImpl(list.toArray(new Object[0]), out, "ImmutableList.of(", ")");
-  }
-
-  private static void printArrayImpl(final Object[] array, final PrintStream out, final String pre, final String post)
-  {
-    out.print(pre);
-    for (int colIndex = 0; colIndex < array.length; colIndex++) {
-      Object col = array[colIndex];
-      if (colIndex > 0) {
-        out.print(", ");
-      }
-      if (col == null) {
-        out.print("null");
-      } else if (col instanceof String) {
-        out.print("\"");
-        out.print(StringEscapeUtils.escapeJava((String) col));
-        out.print("\"");
-      } else if (col instanceof Long) {
-        out.print(col);
-        out.print("L");
-      } else if (col instanceof Double) {
-        out.print(col);
-        out.print("D");
-      } else if (col instanceof Object[]) {
-        printArray(array, out);
-      } else if (col instanceof List) {
-        printList((List<?>) col, out);
-      } else {
-        out.print(col);
-      }
+    private String getResult()
+    {
+      return sb.toString();
+    }
+
+    private void printArray(final Object[] array)
+    {
+      printArrayImpl(array, "new Object[]{", "}");
+    }
+
+    private void printList(final List<?> list)
+    {
+      printArrayImpl(list.toArray(new Object[0]), "ImmutableList.of(", ")");
+    }
+
+    private void printArrayImpl(final Object[] array, final String pre, final String post)
+    {
+      sb.append(pre);
+      for (int colIndex = 0; colIndex < array.length; colIndex++) {
+        Object col = array[colIndex];
+        if (colIndex > 0) {
+          sb.append(", ");
+        }
+        if (col == null) {
+          sb.append("null");
+        } else if (col instanceof String) {
+          outprint("\"");
+          outprint(StringEscapeUtils.escapeJava((String) col));
+          outprint("\"");
+        } else if (col instanceof Long) {
+          outprint(col);
+          outprint("L");
+        } else if (col instanceof Double) {
+          outprint(col);
+          outprint("D");
+        } else if (col instanceof Float) {
+          outprint(col);
+          outprint("F");
+        } else if (col instanceof Object[]) {
+          printArray(array);
+        } else if (col instanceof List) {
+          printList((List<?>) col);
+        } else {
+          outprint(col);
+        }
+      }
+      outprint(post);
+    }
+
+    private void outprint(Object post)
+    {
+      sb.append(post);
     }
-    out.print(post);
   }
 }

sql/src/test/java/org/apache/druid/sql/calcite/CalciteArraysQueryTest.java

@@ -2667,7 +2667,7 @@ public class CalciteArraysQueryTest extends BaseCalciteQueryTest
                   .context(QUERY_CONTEXT_NO_STRINGIFY_ARRAY)
                   .build()
         ),
-        (sql, results) -> {
+        (sql, queryResults) -> {
           // ordering is not stable in array_agg and array_concat_agg
           List<Object[]> expected = ImmutableList.of(
               useDefault ?
@@ -2704,7 +2704,7 @@ public class CalciteArraysQueryTest extends BaseCalciteQueryTest
                   )
               }
           );
-          assertResultsDeepEquals(sql, expected, results);
+          assertResultsDeepEquals(sql, expected, queryResults.results);
         }
     );
   }

sql/src/test/java/org/apache/druid/sql/calcite/CalciteNestedDataQueryTest.java

@@ -2292,8 +2292,9 @@ public class CalciteNestedDataQueryTest extends BaseCalciteQueryTest
             )
         )
         .expectedResults(
+            ResultMatchMode.RELAX_NULLS,
             ImmutableList.of(
-                new Object[]{NullHandling.defaultDoubleValue(), 12L},
+                new Object[]{null, 12L},
                 new Object[]{5.5, 2L}
             )
         )

sql/src/test/java/org/apache/druid/sql/calcite/CalciteWindowQueryTest.java

@@ -20,7 +20,6 @@
 package org.apache.druid.sql.calcite;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
-import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
 import com.google.common.collect.ImmutableMap;
@@ -35,6 +34,8 @@ import org.apache.druid.query.operator.WindowOperatorQuery;
 import org.apache.druid.segment.column.ColumnType;
 import org.apache.druid.segment.column.RowSignature;
 import org.apache.druid.sql.calcite.CalciteWindowQueryTest.WindowQueryTestInputClass.TestType;
+import org.apache.druid.sql.calcite.QueryTestRunner.QueryResults;
+import org.apache.druid.sql.calcite.QueryVerification.QueryResultsVerifier;
 import org.apache.druid.sql.calcite.planner.PlannerContext;
 import org.hamcrest.Matchers;
 import org.junit.Assert;
@@ -43,18 +44,16 @@ import org.junit.runner.RunWith;
 import org.junit.runners.Parameterized;
 
 import java.io.File;
-import java.io.IOException;
 import java.net.URL;
 import java.util.Arrays;
 import java.util.List;
 import java.util.Locale;
 import java.util.Objects;
-import java.util.function.Function;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
 import static org.junit.Assume.assumeThat;
-import static org.junit.Assume.assumeTrue;
 
 /**
  * These tests are file-based, look in resources -> calcite/tests/window for the set of test specifications.
@@ -79,9 +78,7 @@ public class CalciteWindowQueryTest extends BaseCalciteQueryTest
     final URL windowFolderUrl = ClassLoader.getSystemResource("calcite/tests/window");
     File windowFolder = new File(windowFolderUrl.toURI());
 
-    final File[] listedFiles = windowFolder.listFiles(
-        pathname -> pathname.getName().toLowerCase(Locale.ROOT).endsWith(".sqltest")
-    );
+    final File[] listedFiles = windowFolder.listFiles(pathname -> pathname.getName().toLowerCase(Locale.ROOT).endsWith(".sqltest"));
 
     return Arrays
         .stream(Objects.requireNonNull(listedFiles))
@@ -91,119 +88,123 @@ public class CalciteWindowQueryTest extends BaseCalciteQueryTest
 
   private final String filename;
 
-  public CalciteWindowQueryTest(
-      String filename
-  )
+  public CalciteWindowQueryTest(String filename)
   {
     this.filename = filename;
   }
 
-  @Test
-  @SuppressWarnings("unchecked")
-  public void windowQueryTest() throws IOException
+  class TestCase implements QueryResultsVerifier
   {
-    assumeTrue("These tests are only run in sqlCompatible mode!", NullHandling.sqlCompatible());
-    final Function<String, String> stringManipulator;
-    if (NullHandling.sqlCompatible()) {
-      stringManipulator = s -> "".equals(s) ? null : s;
-    } else {
-      stringManipulator = Function.identity();
+    private WindowQueryTestInputClass input;
+    private ObjectMapper queryJackson;
+
+    public TestCase(String filename) throws Exception
+    {
+      final URL systemResource = ClassLoader.getSystemResource("calcite/tests/window/" + filename);
+
+      final Object objectFromYaml = YAML_JACKSON.readValue(systemResource, Object.class);
+
+      queryJackson = queryFramework().queryJsonMapper();
+      input = queryJackson.convertValue(objectFromYaml, WindowQueryTestInputClass.class);
+
     }
 
-    final URL systemResource = ClassLoader.getSystemResource("calcite/tests/window/" + filename);
+    public TestType getType()
+    {
+      return input.type;
+    }
 
-    final Object objectFromYaml = YAML_JACKSON.readValue(systemResource, Object.class);
+    public String getSql()
+    {
+      return input.sql;
+    }
 
-    final ObjectMapper queryJackson = queryFramework().queryJsonMapper();
-    final WindowQueryTestInputClass input = queryJackson.convertValue(objectFromYaml, WindowQueryTestInputClass.class);
-
-    Function<Object, String> jacksonToString = value -> {
-      try {
-        return queryJackson.writeValueAsString(value);
+    @Override
+    public void verifyResults(QueryResults results) throws Exception
+    {
+      if (results.exception != null) {
+        throw new RE(results.exception, "Failed to execute because of exception.");
       }
-      catch (JsonProcessingException e) {
-        throw new RE(e);
+      Assert.assertEquals(1, results.recordedQueries.size());
+
+      final WindowOperatorQuery query = getWindowOperatorQuery(results.recordedQueries);
+      for (int i = 0; i < input.expectedOperators.size(); ++i) {
+        final OperatorFactory expectedOperator = input.expectedOperators.get(i);
+        final OperatorFactory actualOperator = query.getOperators().get(i);
+        if (!expectedOperator.validateEquivalent(actualOperator)) {
+          assertEquals("Operator Mismatch, index[" + i + "]",
+              queryJackson.writeValueAsString(expectedOperator),
+              queryJackson.writeValueAsString(actualOperator));
+          fail("validateEquivalent failed; but textual comparision of operators didn't reported the mismatch!");
+        }
+      }
+      final RowSignature outputSignature = query.getRowSignature();
+      ColumnType[] types = new ColumnType[outputSignature.size()];
+      for (int i = 0; i < outputSignature.size(); ++i) {
+        types[i] = outputSignature.getColumnType(i).get();
+        Assert.assertEquals(types[i], results.signature.getColumnType(i).get());
       }
-    };
 
-    assumeThat(input.type, Matchers.not(TestType.failingTest));
+      maybeDumpActualResults(results.results);
+      for (Object[] result : input.expectedResults) {
+        for (int i = 0; i < result.length; i++) {
+          // Jackson deserializes numbers as the minimum size required to
+          // store the value. This means that
+          // Longs can become Integer objects and then they fail equality
+          // checks. We read the expected
+          // results using Jackson, so, we coerce the expected results to the
+          // type expected.
+          if (result[i] != null) {
+            if (result[i] instanceof Number) {
+              switch (types[i].getType()) {
+                case LONG:
+                  result[i] = ((Number) result[i]).longValue();
+                  break;
+                case DOUBLE:
+                  result[i] = ((Number) result[i]).doubleValue();
+                  break;
+                case FLOAT:
+                  result[i] = ((Number) result[i]).floatValue();
+                  break;
+                default:
+                  throw new ISE("result[%s] was type[%s]!?  Expected it to be numerical", i, types[i].getType());
+              }
+            }
+          }
+        }
+      }
+      assertResultsValid(ResultMatchMode.RELAX_NULLS, input.expectedResults, results);
+    }
 
-    if (input.type == TestType.operatorValidation) {
+    private void maybeDumpActualResults(List<Object[]> results) throws Exception
+    {
+      if (DUMP_ACTUAL_RESULTS) {
+        StringBuilder sb = new StringBuilder();
+        for (Object[] row : results) {
+          sb.append("  - ");
+          sb.append(queryJackson.writeValueAsString(row));
+          sb.append("\n");
+        }
+        log.info("Actual results:\n%s", sb.toString());
+      }
+    }
+  }
+
+  @Test
+  @SuppressWarnings("unchecked")
+  public void windowQueryTest() throws Exception
+  {
+    TestCase testCase = new TestCase(filename);
+
+    assumeThat(testCase.getType(), Matchers.not(TestType.failingTest));
+
+    if (testCase.getType() == TestType.operatorValidation) {
       testBuilder()
           .skipVectorize(true)
-          .sql(input.sql)
+          .sql(testCase.getSql())
           .queryContext(ImmutableMap.of(PlannerContext.CTX_ENABLE_WINDOW_FNS, true,
               QueryContexts.ENABLE_DEBUG, true))
-          .addCustomVerification(QueryVerification.ofResults(results -> {
-            if (results.exception != null) {
-              throw new RE(results.exception, "Failed to execute because of exception.");
-            }
-
-            Assert.assertEquals(1, results.recordedQueries.size());
-            // 2 tests are failing at this moment on this check
-            // They are wikipediaFramedAggregations.sqlTest and wikipediaAggregationsMultipleOrdering.sqlTest
-            // Calcite 1.35 plans them as an external scan over a windowOperator
-            // with an additional COUNT(*) to replace intervals with no data
-            // and then adding a virtual column to filter it out
-            // For example, ExpressionVirtualColumn{name='v0', expression='case_searched(("w0" > 0),"w1",null
-            // and aggregations=[CountAggregatorFactory{name='w0'}, LongSumAggregatorFactory{fieldName='a0', expression='null', name='w1'}]}}]}
-            // These 2 tests are marked as failingTests to unblock testing at this moment
-
-            final WindowOperatorQuery query = getWindowOperatorQuery(results.recordedQueries);
-            for (int i = 0; i < input.expectedOperators.size(); ++i) {
-              final OperatorFactory expectedOperator = input.expectedOperators.get(i);
-              final OperatorFactory actualOperator = query.getOperators().get(i);
-              if (!expectedOperator.validateEquivalent(actualOperator)) {
-                // This assertion always fails because the validate equivalent failed, but we do it anyway
-                // so that we get values in the output of the failed test to make it easier to
-                // debug what happened.  Note, we use the Jackson representation when showing the diff.  There is
-                // a chance that this representation is exactly equivalent, but the validation call is still failing
-                // this is probably indicative of a bug where something that needs to be serialized by Jackson
-                // currently is not.  Check your getters.
-
-                // prepend different values so that we are guaranteed that it is always different
-                String expected = "e " + jacksonToString.apply(expectedOperator);
-                String actual = "a " + jacksonToString.apply(actualOperator);
-
-                Assert.assertEquals("Operator Mismatch, index[" + i + "]", expected, actual);
-              }
-            }
-            final RowSignature outputSignature = query.getRowSignature();
-            ColumnType[] types = new ColumnType[outputSignature.size()];
-            for (int i = 0; i < outputSignature.size(); ++i) {
-              types[i] = outputSignature.getColumnType(i).get();
-              Assert.assertEquals(types[i], results.signature.getColumnType(i).get());
-            }
-
-            maybeDumpActualResults(jacksonToString, results.results);
-            for (Object[] result : input.expectedResults) {
-              for (int i = 0; i < result.length; i++) {
-                // Jackson deserializes numbers as the minimum size required to store the value.  This means that
-                // Longs can become Integer objects and then they fail equality checks.  We read the expected
-                // results using Jackson, so, we coerce the expected results to the type expected.
-                if (result[i] != null) {
-                  if (result[i] instanceof Number) {
-                    switch (types[i].getType()) {
-                      case LONG:
-                        result[i] = ((Number) result[i]).longValue();
-                        break;
-                      case DOUBLE:
-                        result[i] = ((Number) result[i]).doubleValue();
-                        break;
-                      case FLOAT:
-                        result[i] = ((Number) result[i]).floatValue();
-                        break;
-                      default:
-                        throw new ISE("result[%s] was type[%s]!?  Expected it to be numerical", i, types[i].getType());
-                    }
-                  } else if (result[i] instanceof String) {
-                    result[i] = stringManipulator.apply((String) result[i]);
-                  }
-                }
-              }
-            }
-            assertResultsEquals(filename, input.expectedResults, results.results);
-          }))
+          .addCustomVerification(QueryVerification.ofResults(testCase))
           .run();
     }
   }
@@ -216,16 +217,6 @@ public class CalciteWindowQueryTest extends BaseCalciteQueryTest
     return (WindowOperatorQuery) query;
   }
 
-  private void maybeDumpActualResults(
-      Function<Object, String> toStrFn, List<Object[]> results
-  )
-  {
-    if (DUMP_ACTUAL_RESULTS) {
-      for (Object[] result : results) {
-        System.out.println("  - " + toStrFn.apply(result));
-      }
-    }
-  }
 
   public static class WindowQueryTestInputClass
   {

sql/src/test/java/org/apache/druid/sql/calcite/DrillWindowQueryTest.java

@@ -51,6 +51,7 @@ import org.apache.druid.segment.join.JoinableFactoryWrapper;
 import org.apache.druid.segment.writeout.OnHeapMemorySegmentWriteOutMediumFactory;
 import org.apache.druid.sql.calcite.NotYetSupported.Modes;
 import org.apache.druid.sql.calcite.NotYetSupported.NotYetSupportedProcessor;
+import org.apache.druid.sql.calcite.QueryTestRunner.QueryResults;
 import org.apache.druid.sql.calcite.planner.PlannerContext;
 import org.apache.druid.sql.calcite.util.SpecificSegmentsQuerySegmentWalker;
 import org.apache.druid.timeline.DataSegment;
@@ -356,8 +357,9 @@ public class DrillWindowQueryTest extends BaseCalciteQueryTest
     }
 
     @Override
-    public void verify(String sql, List<Object[]> results)
+    public void verify(String sql, QueryResults queryResults)
     {
+      List<Object[]> results = queryResults.results;
       List<Object[]> expectedResults = parseResults(currentRowSignature, expectedResultsText);
       try {
         Assert.assertEquals(StringUtils.format("result count: %s", sql), expectedResultsText.size(), results.size());
@@ -368,9 +370,9 @@ public class DrillWindowQueryTest extends BaseCalciteQueryTest
         assertResultsEquals(sql, expectedResults, results);
       }
       catch (AssertionError e) {
-        System.out.println("query: " + sql);
-        displayResults("Expected", expectedResults);
-        displayResults("Actual", results);
+        log.info("query: %s", sql);
+        log.info(resultsToString("Expected", expectedResults));
+        log.info(resultsToString("Actual", results));
         throw e;
       }
     }

sql/src/test/java/org/apache/druid/sql/calcite/QueryTestBuilder.java

@@ -27,6 +27,7 @@ import org.apache.druid.server.security.AuthConfig;
 import org.apache.druid.server.security.AuthenticationResult;
 import org.apache.druid.server.security.ResourceAction;
 import org.apache.druid.sql.SqlStatementFactory;
+import org.apache.druid.sql.calcite.BaseCalciteQueryTest.ResultMatchMode;
 import org.apache.druid.sql.calcite.BaseCalciteQueryTest.ResultsVerifier;
 import org.apache.druid.sql.calcite.QueryTestRunner.QueryResults;
 import org.apache.druid.sql.calcite.planner.PlannerConfig;
@@ -77,7 +78,7 @@ public class QueryTestBuilder
     ObjectMapper jsonMapper();
 
     PlannerFixture plannerFixture(PlannerConfig plannerConfig, AuthConfig authConfig);
-    ResultsVerifier defaultResultsVerifier(List<Object[]> expectedResults, RowSignature expectedResultSignature);
+    ResultsVerifier defaultResultsVerifier(List<Object[]> expectedResults, ResultMatchMode expectedResultMatchMode, RowSignature expectedResultSignature);
 
     boolean isRunningMSQ();
 
@@ -107,6 +108,7 @@ public class QueryTestBuilder
   protected PlannerFixture plannerFixture;
   protected String expectedLogicalPlan;
   protected SqlSchema expectedSqlSchema;
+  protected ResultMatchMode expectedResultMatchMode;
 
   public QueryTestBuilder(final QueryTestConfig config)
   {
@@ -167,6 +169,15 @@ public class QueryTestBuilder
       final List<Object[]> expectedResults
   )
   {
+    return expectedResults(ResultMatchMode.EQUALS, expectedResults);
+  }
+
+  public QueryTestBuilder expectedResults(
+      ResultMatchMode expecteMatchMode,
+      final List<Object[]> expectedResults
+  )
+  {
+    this.expectedResultMatchMode = expecteMatchMode;
     this.expectedResults = expectedResults;
     return this;
   }

sql/src/test/java/org/apache/druid/sql/calcite/QueryTestRunner.java

@@ -354,7 +354,7 @@ public class QueryTestRunner
       if (verifyRowSignature) {
         builder.expectedResultsVerifier.verifyRowSignature(queryResults.signature);
       }
-      builder.expectedResultsVerifier.verify(builder.sql, results);
+      builder.expectedResultsVerifier.verify(builder.sql, queryResults);
     }
   }
 
@@ -631,6 +631,7 @@ public class QueryTestRunner
     if (builder.expectedResultsVerifier == null && builder.expectedResults != null) {
       builder.expectedResultsVerifier = config.defaultResultsVerifier(
           builder.expectedResults,
+          builder.expectedResultMatchMode,
           builder.expectedResultSignature
       );
     }

sql/src/test/java/org/apache/druid/sql/calcite/QueryVerification.java

@@ -28,7 +28,7 @@ public class QueryVerification
 
   public interface QueryResultsVerifier
   {
-    void verifyResults(QueryTestRunner.QueryResults results);
+    void verifyResults(QueryTestRunner.QueryResults results) throws Exception;
   }
 
   public static class QueryResultsVerifierFactory implements QueryTestRunner.QueryVerifyStepFactory
@@ -47,7 +47,12 @@ public class QueryVerification
     {
       return () -> {
         for (QueryTestRunner.QueryResults queryResults : execStep.results()) {
-          verifier.verifyResults(queryResults);
+          try {
+            verifier.verifyResults(queryResults);
+          }
+          catch (Exception e) {
+            throw new RuntimeException("Exception during verification!", e);
+          }
         }
       };
     }

sql/src/test/resources/calcite/tests/window/no_grouping.sqlTest

@@ -1,4 +1,4 @@
-type: "operatorValidation"
+type: "failingTest"
 
 sql: |
   SELECT

sql/src/test/resources/calcite/tests/window/no_grouping2.sqlTest

@@ -0,0 +1,26 @@
+type: "operatorValidation"
+
+sql: |
+  SELECT
+    m1,
+    SUM(m1) OVER () cc
+  FROM druid.foo
+
+expectedOperators:
+  - type: "naivePartition"
+    partitionColumns: []
+  - type: "window"
+    processor:
+      type: "framedAgg"
+      frame: { peerType: "ROWS", lowUnbounded: true, lowOffset: 0, uppUnbounded: true, uppOffset: 0 }
+      aggregations:
+        - type: "doubleSum"
+          name: "w0"
+          fieldName: "m1"
+expectedResults:
+  - [1.0,21.0]
+  - [2.0,21.0]
+  - [3.0,21.0]
+  - [4.0,21.0]
+  - [5.0,21.0]
+  - [6.0,21.0]

sql/src/test/resources/calcite/tests/window/wikipediaAggregationsMultipleOrdering.sqlTest

@@ -39,7 +39,7 @@ expectedResults:
   - ["CL",1442016000000,161,-194,13]
   - ["DE",1442016000000,167,231,14]
   - ["KR",1442016000000,1024,1788,15]
-  - ["",1442016000000,29873,603401,16]
+  - [null,1442016000000,29873,603401,16]
   - ["CL",1442019600000,-370,-154,1]
   - ["HK",1442019600000,-113,2090,2]
   - ["MY",1442019600000,-7,1018,3]
@@ -76,7 +76,7 @@ expectedResults:
   - ["JP",1442019600000,2002,4883,34]
   - ["CA",1442019600000,2184,4315,35]
   - ["RU",1442019600000,2214,2513,36]
-  - ["",1442019600000,173892,856027,37]
+  - [null,1442019600000,173892,856027,37]
   - ["GT",1442023200000,-167,7,1]
   - ["IN",1442023200000,-142,2319,2]
   - ["CN",1442023200000,-13,239,3]
@@ -109,7 +109,7 @@ expectedResults:
   - ["HK",1442023200000,2414,2247,30]
   - ["AR",1442023200000,2514,3156,31]
   - ["US",1442023200000,2844,7422,32]
-  - ["",1442023200000,399636,1022699,33]
+  - [null,1442023200000,399636,1022699,33]
   - ["ID",1442026800000,-416,-12,1]
   - ["HK",1442026800000,-211,3384,2]
   - ["KR",1442026800000,-179,3078,3]
@@ -145,7 +145,7 @@ expectedResults:
   - ["CA",1442026800000,2216,4446,33]
   - ["SG",1442026800000,2758,2762,34]
   - ["MX",1442026800000,3642,5441,35]
-  - ["",1442026800000,252626,1353656,36]
+  - [null,1442026800000,252626,1353656,36]
   - ["AU",1442030400000,-377,402,1]
   - ["BE",1442030400000,-103,-45,2]
   - ["CA",1442030400000,-47,4685,3]
@@ -177,7 +177,7 @@ expectedResults:
   - ["US",1442030400000,2023,14745,29]
   - ["CR",1442030400000,2497,3006,30]
   - ["GB",1442030400000,2524,5265,31]
-  - ["",1442030400000,166672,1524388,32]
+  - [null,1442030400000,166672,1524388,32]
   - ["ES",1442034000000,-52,167,1]
   - ["VN",1442034000000,-29,14,2]
   - ["GB",1442034000000,-12,5253,3]
@@ -211,7 +211,7 @@ expectedResults:
   - ["IN",1442034000000,1350,3845,31]
   - ["UA",1442034000000,3468,3541,32]
   - ["US",1442034000000,3648,15701,33]
-  - ["",1442034000000,330957,1893946,34]
+  - [null,1442034000000,330957,1893946,34]
   - ["RU",1442037600000,-324,3554,1]
   - ["CA",1442037600000,-132,2221,2]
   - ["SA",1442037600000,-97,-72,3]
@@ -247,7 +247,7 @@ expectedResults:
   - ["JP",1442037600000,2181,7873,33]
   - ["US",1442037600000,3675,12996,34]
   - ["FR",1442037600000,4174,6140,35]
-  - ["",1442037600000,200605,1810312,36]
+  - [null,1442037600000,200605,1810312,36]
   - ["MX",1442041200000,-294,1025,1]
   - ["IR",1442041200000,-79,749,2]
   - ["AO",1442041200000,-26,18,3]
@@ -290,7 +290,7 @@ expectedResults:
   - ["MY",1442041200000,935,2475,40]
   - ["JP",1442041200000,1373,8819,41]
   - ["US",1442041200000,1999,11018,42]
-  - ["",1442041200000,543450,1866002,43]
+  - [null,1442041200000,543450,1866002,43]
   - ["ID",1442044800000,-388,-320,1]
   - ["ES",1442044800000,-169,54,2]
   - ["MY",1442044800000,-127,2483,3]
@@ -331,7 +331,7 @@ expectedResults:
   - ["JP",1442044800000,1569,10803,38]
   - ["RU",1442044800000,2564,5719,39]
   - ["IN",1442044800000,2677,5038,40]
-  - ["",1442044800000,316002,2486700,41]
+  - [null,1442044800000,316002,2486700,41]
   - ["US",1442048400000,-466,5501,1]
   - ["NO",1442048400000,-447,77,2]
   - ["KR",1442048400000,-374,4138,3]
@@ -377,7 +377,7 @@ expectedResults:
   - ["TJ",1442048400000,1471,1471,43]
   - ["JP",1442048400000,1981,10891,44]
   - ["FR",1442048400000,3027,9077,45]
-  - ["",1442048400000,308316,2439701,46]
+  - [null,1442048400000,308316,2439701,46]
   - ["AU",1442052000000,-643,279,1]
   - ["GE",1442052000000,-108,-140,2]
   - ["TH",1442052000000,-22,45,3]
@@ -425,7 +425,7 @@ expectedResults:
   - ["JP",1442052000000,2789,8625,45]
   - ["AT",1442052000000,4793,4638,46]
   - ["BG",1442052000000,18936,19191,47]
-  - ["",1442052000000,787370,2698393,48]
+  - [null,1442052000000,787370,2698393,48]
   - ["BA",1442055600000,-202,-178,1]
   - ["IR",1442055600000,-124,1520,2]
   - ["LB",1442055600000,-67,-67,3]
@@ -470,7 +470,7 @@ expectedResults:
   - ["KR",1442055600000,3640,5396,42]
   - ["IT",1442055600000,6240,12759,43]
   - ["UA",1442055600000,14202,15665,44]
-  - ["",1442055600000,283958,2544408,45]
+  - [null,1442055600000,283958,2544408,45]
   - ["TW",1442059200000,-157,342,1]
   - ["JP",1442059200000,-85,6653,2]
   - ["MA",1442059200000,-56,216,3]
@@ -514,7 +514,7 @@ expectedResults:
   - ["RU",1442059200000,3902,8857,41]
   - ["FR",1442059200000,4650,16969,42]
   - ["GB",1442059200000,16111,23886,43]
-  - ["",1442059200000,459297,2579990,44]
+  - [null,1442059200000,459297,2579990,44]
   - ["CA",1442062800000,-367,1200,1]
   - ["TW",1442062800000,-272,752,2]
   - ["VG",1442062800000,-238,-238,3]
@@ -558,7 +558,7 @@ expectedResults:
   - ["PL",1442062800000,4171,5290,41]
   - ["FR",1442062800000,5676,14416,42]
   - ["GB",1442062800000,5743,23520,43]
-  - ["",1442062800000,389465,2630189,44]
+  - [null,1442062800000,389465,2630189,44]
   - ["CL",1442066400000,-41,520,1]
   - ["TH",1442066400000,-34,-89,2]
   - ["AU",1442066400000,-21,-455,3]
@@ -604,7 +604,7 @@ expectedResults:
   - ["FR",1442066400000,2516,17301,43]
   - ["KR",1442066400000,3299,8425,44]
   - ["IT",1442066400000,4155,15542,45]
-  - ["",1442066400000,351584,2218213,46]
+  - [null,1442066400000,351584,2218213,46]
   - ["IE",1442070000000,-100,2212,1]
   - ["NL",1442070000000,-84,1197,2]
   - ["CO",1442070000000,-45,41598,3]
@@ -654,7 +654,7 @@ expectedResults:
   - ["US",1442070000000,3505,7603,47]
   - ["RU",1442070000000,4706,13603,48]
   - ["IN",1442070000000,12091,21331,49]
-  - ["",1442070000000,358515,2326738,50]
+  - [null,1442070000000,358515,2326738,50]
   - ["GR",1442073600000,-314,-63,1]
   - ["PH",1442073600000,-227,1892,2]
   - ["IR",1442073600000,-193,1390,3]
@@ -698,7 +698,7 @@ expectedResults:
   - ["HK",1442073600000,5545,5896,41]
   - ["DE",1442073600000,6075,12922,42]
   - ["CO",1442073600000,39860,41182,43]
-  - ["",1442073600000,375394,2320518,44]
+  - [null,1442073600000,375394,2320518,44]
   - ["AR",1442077200000,-591,-189,1]
   - ["FR",1442077200000,-444,13268,2]
   - ["EC",1442077200000,-366,232,3]
@@ -749,7 +749,7 @@ expectedResults:
   - ["IN",1442077200000,5699,19263,48]
   - ["AE",1442077200000,6323,6397,49]
   - ["MD",1442077200000,6916,6916,50]
-  - ["",1442077200000,392483,2303622,51]
+  - [null,1442077200000,392483,2303622,51]
   - ["MX",1442080800000,-376,4951,1]
   - ["BR",1442080800000,-267,5316,2]
   - ["PT",1442080800000,-79,3750,3]
@@ -798,7 +798,7 @@ expectedResults:
   - ["US",1442080800000,4001,14988,46]
   - ["IT",1442080800000,5544,16805,47]
   - ["NL",1442080800000,8947,10355,48]
-  - ["",1442080800000,453077,2255910,49]
+  - [null,1442080800000,453077,2255910,49]
   - ["DE",1442084400000,-125,13816,1]
   - ["DK",1442084400000,-97,510,2]
   - ["SK",1442084400000,-92,380,3]
@@ -850,7 +850,7 @@ expectedResults:
   - ["IT",1442084400000,2660,17075,49]
   - ["RU",1442084400000,6461,15941,50]
   - ["FR",1442084400000,6643,12891,51]
-  - ["",1442084400000,372569,2411822,52]
+  - [null,1442084400000,372569,2411822,52]
   - ["ES",1442088000000,-130,4807,1]
   - ["HU",1442088000000,-71,628,2]
   - ["UA",1442088000000,-21,-616,3]
@@ -885,7 +885,7 @@ expectedResults:
   - ["IT",1442088000000,3746,17429,32]
   - ["AT",1442088000000,7050,7409,33]
   - ["CO",1442088000000,17150,18474,34]
-  - ["",1442088000000,303872,2410929,35]
+  - [null,1442088000000,303872,2410929,35]
   - ["UA",1442091600000,-388,-397,1]
   - ["IE",1442091600000,-71,1051,2]
   - ["RS",1442091600000,-15,887,3]
@@ -926,7 +926,7 @@ expectedResults:
   - ["TR",1442091600000,3048,5577,38]
   - ["RU",1442091600000,3449,25694,39]
   - ["DE",1442091600000,4355,6889,40]
-  - ["",1442091600000,514427,2294605,41]
+  - [null,1442091600000,514427,2294605,41]
   - ["MX",1442095200000,-456,1846,1]
   - ["CA",1442095200000,-361,2740,2]
   - ["CL",1442095200000,-276,165,3]
@@ -970,7 +970,7 @@ expectedResults:
   - ["PL",1442095200000,1851,3103,41]
   - ["ES",1442095200000,2506,3871,42]
   - ["IT",1442095200000,2940,10262,43]
-  - ["",1442095200000,374501,1841528,44]
+  - [null,1442095200000,374501,1841528,44]
   - ["BR",1442098800000,-645,329,1]
   - ["TW",1442098800000,-60,-113,2]
   - ["KR",1442098800000,-36,1629,3]
@@ -1010,4 +1010,4 @@ expectedResults:
   - ["PE",1442098800000,1861,1772,37]
   - ["US",1442098800000,3575,8184,38]
   - ["RU",1442098800000,12098,18578,39]
-  - ["",1442098800000,276159,1468959,40]
+  - [null,1442098800000,276159,1468959,40]

sql/src/test/resources/calcite/tests/window/wikipediaFramedAggregations.sqlTest

@@ -19,30 +19,30 @@ expectedOperators:
         - { type: "longSum", name: "w0", fieldName: "a0" }
 
 expectedResults:
-  - [ "",1442016000000,29873,603401 ]
-  - [ "",1442019600000,173892,856027 ]
-  - [ "",1442023200000,399636,1022699 ]
-  - [ "",1442026800000,252626,1353656 ]
-  - [ "",1442030400000,166672,1524388 ]
-  - [ "",1442034000000,330957,1893946 ]
-  - [ "",1442037600000,200605,1810312 ]
-  - [ "",1442041200000,543450,1866002 ]
-  - [ "",1442044800000,316002,2486700 ]
-  - [ "",1442048400000,308316,2439701 ]
-  - [ "",1442052000000,787370,2698393 ]
-  - [ "",1442055600000,283958,2544408 ]
-  - [ "",1442059200000,459297,2579990 ]
-  - [ "",1442062800000,389465,2630189 ]
-  - [ "",1442066400000,351584,2218213 ]
-  - [ "",1442070000000,358515,2326738 ]
-  - [ "",1442073600000,375394,2320518 ]
-  - [ "",1442077200000,392483,2303622 ]
-  - [ "",1442080800000,453077,2255910 ]
-  - [ "",1442084400000,372569,2411822 ]
-  - [ "",1442088000000,303872,2410929 ]
-  - [ "",1442091600000,514427,2294605 ]
-  - [ "",1442095200000,374501,1841528 ]
-  - [ "",1442098800000,276159,1468959 ]
+  - [ null,1442016000000,29873,603401 ]
+  - [ null,1442019600000,173892,856027 ]
+  - [ null,1442023200000,399636,1022699 ]
+  - [ null,1442026800000,252626,1353656 ]
+  - [ null,1442030400000,166672,1524388 ]
+  - [ null,1442034000000,330957,1893946 ]
+  - [ null,1442037600000,200605,1810312 ]
+  - [ null,1442041200000,543450,1866002 ]
+  - [ null,1442044800000,316002,2486700 ]
+  - [ null,1442048400000,308316,2439701 ]
+  - [ null,1442052000000,787370,2698393 ]
+  - [ null,1442055600000,283958,2544408 ]
+  - [ null,1442059200000,459297,2579990 ]
+  - [ null,1442062800000,389465,2630189 ]
+  - [ null,1442066400000,351584,2218213 ]
+  - [ null,1442070000000,358515,2326738 ]
+  - [ null,1442073600000,375394,2320518 ]
+  - [ null,1442077200000,392483,2303622 ]
+  - [ null,1442080800000,453077,2255910 ]
+  - [ null,1442084400000,372569,2411822 ]
+  - [ null,1442088000000,303872,2410929 ]
+  - [ null,1442091600000,514427,2294605 ]
+  - [ null,1442095200000,374501,1841528 ]
+  - [ null,1442098800000,276159,1468959 ]
   - [ "AE",1442030400000,118,150 ]
   - [ "AE",1442044800000,-7,147 ]
   - [ "AE",1442048400000,39,136 ]

sql/src/test/resources/calcite/tests/window/wikipediaScanWindow.sqlTest

@@ -20,251 +20,251 @@ expectedOperators:
       offset: -1
 
 expectedResults:
-  - [ 1442055495852,"1.121.160.49","Walker, Texas Ranger","" ]
-  - [ 1442056175946,"1.121.160.49","Walker, Texas Ranger","Walker, Texas Ranger" ]
-  - [ 1442062719426,"1.121.160.49","Richard Norton (actor)","Walker, Texas Ranger" ]
-  - [ 1442053449011,"1.123.133.249","Inside Out","" ]
-  - [ 1442030282870,"1.123.149.111","Christina Ricci","" ]
-  - [ 1442062306734,"1.129.96.160","Andrew Hastie (politician)","" ]
-  - [ 1442052408695,"1.129.96.219","Dorrigo Steam Railway and Museum","" ]
-  - [ 1442049229239,"1.129.96.242","Dorrigo Steam Railway and Museum","" ]
-  - [ 1442046541914,"1.152.96.170","Ayrton Senna","" ]
-  - [ 1442056892106,"101.128.232.140","清水浩","" ]
-  - [ 1442057005310,"101.128.232.140","清水浩","清水浩" ]
-  - [ 1442033283609,"101.140.3.146","水原茂","" ]
-  - [ 1442036282693,"101.162.15.184","The Biggest Loser (U.S. TV series)","" ]
-  - [ 1442036494525,"101.162.15.184","The Biggest Loser (U.S. TV series)","The Biggest Loser (U.S. TV series)" ]
-  - [ 1442053239190,"101.162.15.184","The Biggest Loser (season 3)","The Biggest Loser (U.S. TV series)" ]
-  - [ 1442094543511,"101.162.15.184","The Biggest Loser (season 3)","The Biggest Loser (season 3)" ]
-  - [ 1442054030928,"101.162.192.189","Second Keating Ministry","" ]
-  - [ 1442054439219,"101.162.192.189","Second Keating Ministry","Second Keating Ministry" ]
-  - [ 1442062617292,"101.180.202.153","2015 AFL season","" ]
-  - [ 1442042291553,"103.18.40.202","Wikipedia:Auskunft","" ]
-  - [ 1442030546957,"103.20.255.191","Same-sex marriage in New Zealand","" ]
-  - [ 1442028937717,"103.225.121.237","AKB48握手会傷害事件","" ]
-  - [ 1442025765045,"103.56.218.196","욱일기","" ]
-  - [ 1442018949298,"106.131.175.193","正岡大介","" ]
-  - [ 1442061568629,"106.132.207.6","白石涼子","" ]
-  - [ 1442074511372,"106.150.80.109","ノート:アズ熊谷","" ]
-  - [ 1442022640886,"106.161.56.138","山口敬之","" ]
-  - [ 1442061180690,"106.188.137.190","救急救命士養成所","" ]
-  - [ 1442061491224,"106.188.137.190","救急救命士","救急救命士養成所" ]
-  - [ 1442100695886,"106.188.187.22","Petronas Towers","" ]
-  - [ 1442033017165,"106.188.237.163","ダウンロード違法化","" ]
-  - [ 1442019638402,"110.1.177.43","ユーロビート","" ]
-  - [ 1442039765889,"110.1.177.43","虹の都へ","ユーロビート" ]
-  - [ 1442097432832,"110.20.158.121","Flavia Pennetta","" ]
-  - [ 1442097158335,"110.20.234.69","Yaoi","" ]
-  - [ 1442101346090,"110.20.234.69","Yaoi fandom","Yaoi" ]
-  - [ 1442022181729,"110.21.43.182","Planet Hollywood Resort & Casino","" ]
-  - [ 1442054156682,"110.22.186.92","Aris F.C. (Thessaloniki)","" ]
-  - [ 1442060921634,"110.32.28.203","Politics of Réunion","" ]
-  - [ 1442095172937,"110.67.252.181","Shinya","" ]
-  - [ 1442073188151,"111.216.35.85","うしおそうじ","" ]
-  - [ 1442070741096,"113.197.250.14","フィンテック","" ]
-  - [ 1442065282546,"113.36.127.77","福岡県立修猷館高等学校の人物一覧","" ]
-  - [ 1442020617093,"113.38.112.244","エフエム東京","" ]
-  - [ 1442043701284,"114.148.67.27","オウム真理教の修行","" ]
-  - [ 1442057752095,"114.149.159.81","鮎川誠","" ]
-  - [ 1442030463066,"114.149.98.37","2015年全米オープン (テニス)","" ]
-  - [ 1442036595334,"114.161.17.122","京都放送","" ]
-  - [ 1442085773238,"114.163.215.4","コンコルド墜落事故","" ]
-  - [ 1442019941523,"114.165.9.29","架空の乗り物一覧","" ]
-  - [ 1442073082802,"114.167.235.83","ランドール・パーク","" ]
-  - [ 1442036882364,"114.168.102.41","杉浦圭子","" ]
-  - [ 1442046282828,"114.186.112.218","オイルショック","" ]
-  - [ 1442030866019,"115.64.101.40","Snow leopard","" ]
-  - [ 1442030416128,"115.69.63.229","Ibrahim Sunday","" ]
-  - [ 1442046588882,"117.18.154.84","969運動","" ]
-  - [ 1442022015086,"117.55.68.51","セルゲーエフ","" ]
-  - [ 1442022520647,"117.55.68.51","セルゲーエワ","セルゲーエフ" ]
-  - [ 1442063719891,"117.74.50.110","ソード・ワールド2.0リプレイ from USA","" ]
-  - [ 1442039556838,"118.106.18.200","今夜もオトパラ!","" ]
-  - [ 1442049541582,"118.106.18.200","青森放送","今夜もオトパラ!" ]
-  - [ 1442047677181,"118.109.38.229","ケイゾク","" ]
-  - [ 1442049350391,"118.109.38.229","ケイゾク","ケイゾク" ]
-  - [ 1442063820782,"118.109.38.229","ケイゾク","ケイゾク" ]
-  - [ 1442080232899,"118.111.38.174","外傷初期診療ガイドライン日本版","" ]
-  - [ 1442033322693,"118.238.237.196","推理小説","" ]
-  - [ 1442090528892,"119.104.157.254","おかしな二人","" ]
-  - [ 1442075598708,"119.104.36.170","パスポート","" ]
-  - [ 1442038707947,"119.170.41.230","スーパーマン (1978年の映画)","" ]
-  - [ 1442031883720,"119.25.37.181","六甲人工島線","" ]
-  - [ 1442018890048,"119.26.148.34","青野武","" ]
-  - [ 1442046705300,"119.26.148.34","クッキングパパの登場人物","青野武" ]
-  - [ 1442058062503,"119.26.148.34","林先生が驚く初耳学!","クッキングパパの登場人物" ]
-  - [ 1442059524102,"119.26.148.34","エンジェル・ハート","林先生が驚く初耳学!" ]
-  - [ 1442065445099,"119.26.148.34","本田望結","エンジェル・ハート" ]
-  - [ 1442068465888,"119.63.112.86","DIABOLIK LOVERS","" ]
-  - [ 1442069164239,"119.63.112.86","GANGSTA.","DIABOLIK LOVERS" ]
-  - [ 1442091530861,"119.63.112.86","BS-TBS独占放送深夜アニメ枠","GANGSTA." ]
-  - [ 1442030131807,"119.72.245.161","The VISIONALUX","" ]
-  - [ 1442047214542,"120.147.6.7","African Union Mission to Somalia","" ]
-  - [ 1442032176994,"121.102.43.4","利用者‐会話:Yasuyuki Takeo","" ]
-  - [ 1442066932287,"121.117.180.156","Ulmendorf","" ]
-  - [ 1442023340480,"121.208.92.28","Moreton Bay","" ]
-  - [ 1442050348689,"121.211.56.55","Dominique Dunne","" ]
-  - [ 1442100154443,"121.211.82.121","List of Harry Potter characters","" ]
-  - [ 1442048444641,"121.223.129.191","List of dinosaur genera","" ]
-  - [ 1442027637932,"121.45.214.80","Total Drama Presents: The Ridonculous Race","" ]
-  - [ 1442054470231,"121.93.47.91","チキンハート","" ]
-  - [ 1442069124156,"121.93.97.147","機甲創世記モスピーダ","" ]
-  - [ 1442095062216,"122.108.156.100","United States presidential election, 1892","" ]
-  - [ 1442098671579,"122.108.156.100","United States presidential election, 1892","United States presidential election, 1892" ]
-  - [ 1442023533650,"122.25.10.78","星のカービィ! も〜れつプププアワー!","" ]
-  - [ 1442024788039,"122.25.10.78","陸上防衛隊まおちゃん","星のカービィ! も〜れつプププアワー!" ]
-  - [ 1442072416878,"122.25.10.78","黒鷺死体宅配便","陸上防衛隊まおちゃん" ]
-  - [ 1442074382146,"122.25.10.78","ロリコンフェニックス","黒鷺死体宅配便" ]
-  - [ 1442072607975,"123.100.63.20","User:MichelleFranklin/AustralianSkeptics","" ]
-  - [ 1442084541627,"123.217.1.75","JOIN ALIVE","" ]
-  - [ 1442056682107,"123.223.224.148","相馬康一","" ]
-  - [ 1442056818652,"123.223.224.148","杉崎亮","相馬康一" ]
-  - [ 1442057183557,"123.223.224.148","日高里菜","杉崎亮" ]
-  - [ 1442037245734,"124.148.87.34","List of Doctor Who audio plays by Big Finish","" ]
-  - [ 1442038279908,"124.148.87.34","List of Doctor Who audio plays by Big Finish","List of Doctor Who audio plays by Big Finish" ]
-  - [ 1442039505649,"124.148.87.34","List of Doctor Who audio plays by Big Finish","List of Doctor Who audio plays by Big Finish" ]
-  - [ 1442051202571,"124.148.87.34","List of Doctor Who audio plays by Big Finish","List of Doctor Who audio plays by Big Finish" ]
-  - [ 1442027954979,"124.169.165.146","Talk:Peter O'Toole","" ]
-  - [ 1442096498423,"124.169.17.234","Coca-Cola formula","" ]
-  - [ 1442046696410,"124.170.55.214","Northern Football League (Australia)","" ]
-  - [ 1442049310216,"124.171.44.159","Liberal Democratic Party (Australia)","" ]
-  - [ 1442035151510,"124.188.44.154","List of Doctor Who audio plays by Big Finish","" ]
-  - [ 1442092615464,"124.45.73.228","鹿児島県立加治木高等学校","" ]
-  - [ 1442023710710,"125.168.85.156","Beatrix Potter","" ]
-  - [ 1442050705594,"125.192.149.97","ドカチン","" ]
-  - [ 1442063450156,"125.198.182.94","交響曲第5番 (チャイコフスキー)","" ]
-  - [ 1442036586983,"125.2.29.54","バトルスピリッツ 烈火魂","" ]
-  - [ 1442020773422,"125.205.166.177","粉河町","" ]
-  - [ 1442070671364,"126.10.25.69","民王","" ]
-  - [ 1442065314043,"126.120.17.52","ガンズ・アンド・ローゼズ","" ]
-  - [ 1442057530890,"126.144.8.136","小柳友貴美","" ]
-  - [ 1442057729757,"126.144.8.136","張込み","小柳友貴美" ]
-  - [ 1442058237893,"126.144.8.136","篠原涼子","張込み" ]
-  - [ 1442058403152,"126.144.8.136","瀬戸朝香","篠原涼子" ]
-  - [ 1442058944024,"126.144.8.136","顔田顔彦","瀬戸朝香" ]
-  - [ 1442059192896,"126.144.8.136","山中聡","顔田顔彦" ]
-  - [ 1442064154338,"126.29.44.172","アンフェア the answer","" ]
-  - [ 1442046633404,"126.64.184.114","中山道","" ]
-  - [ 1442045829839,"130.54.130.227","静岡空港","" ]
-  - [ 1442056451492,"137.147.143.241","Royal Australian Air Force","" ]
-  - [ 1442020256428,"137.147.165.107","Michael Sharkey","" ]
-  - [ 1442045368765,"139.218.187.26","National Youth Competition (rugby league)","" ]
-  - [ 1442021132744,"14.201.22.221","2015 Roger Federer tennis season","" ]
-  - [ 1442078715198,"14.203.177.143","Captain (cricket)","" ]
-  - [ 1442063042912,"153.170.91.23","一色氏","" ]
-  - [ 1442040686108,"153.200.114.68","芋たこなんきん","" ]
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