[timeseries] Remove Time Series Specific Code from V1 Engine

pinot-common/src/main/java/org/apache/pinot/common/function/TransformFunctionType.java

@@ -232,9 +232,10 @@ public enum TransformFunctionType {
   TANH("tanh"),
   DEGREES("degrees"),
   RADIANS("radians"),
-
   // Complex type handling
-  ITEM("item");
+  ITEM("item"),
+  // Time series functions
+  TIME_SERIES_BUCKET("timeSeriesBucket");
 
   private final String _name;
   private final List<String> _names;

pinot-core/src/main/java/org/apache/pinot/core/operator/blocks/results/ResultsBlockUtils.java

@@ -18,18 +18,15 @@
  */
 package org.apache.pinot.core.operator.blocks.results;
 
-import com.google.common.base.Preconditions;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
 import org.apache.commons.lang3.tuple.Pair;
 import org.apache.pinot.common.request.context.ExpressionContext;
 import org.apache.pinot.common.request.context.FilterContext;
-import org.apache.pinot.common.request.context.TimeSeriesContext;
 import org.apache.pinot.common.utils.DataSchema;
 import org.apache.pinot.common.utils.DataSchema.ColumnDataType;
-import org.apache.pinot.core.operator.blocks.TimeSeriesBuilderBlock;
 import org.apache.pinot.core.query.aggregation.function.AggregationFunction;
 import org.apache.pinot.core.query.aggregation.function.AggregationFunctionUtils;
 import org.apache.pinot.core.query.distinct.table.DistinctTable;
@@ -44,9 +41,6 @@ private ResultsBlockUtils() {
   }
 
   public static BaseResultsBlock buildEmptyQueryResults(QueryContext queryContext) {
-    if (QueryContextUtils.isTimeSeriesQuery(queryContext)) {
-      return buildEmptyTimeSeriesResults(queryContext);
-    }
     if (QueryContextUtils.isSelectionQuery(queryContext)) {
       return buildEmptySelectionQueryResults(queryContext);
     }
@@ -125,11 +119,4 @@ private static DistinctResultsBlock buildEmptyDistinctQueryResults(QueryContext
             queryContext.isNullHandlingEnabled());
     return new DistinctResultsBlock(distinctTable, queryContext);
   }
-
-  private static TimeSeriesResultsBlock buildEmptyTimeSeriesResults(QueryContext queryContext) {
-    TimeSeriesContext timeSeriesContext = queryContext.getTimeSeriesContext();
-    Preconditions.checkNotNull(timeSeriesContext);
-    return new TimeSeriesResultsBlock(
-        new TimeSeriesBuilderBlock(timeSeriesContext.getTimeBuckets(), Collections.emptyMap()));
-  }
 }