Join context hints

extensions-core/datasketches/src/test/java/org/apache/druid/query/aggregation/datasketches/quantiles/sql/DoublesSketchSqlAggregatorTest.java

@@ -27,6 +27,7 @@
 import org.apache.druid.java.util.common.Intervals;
 import org.apache.druid.java.util.common.granularity.Granularities;
 import org.apache.druid.query.Druids;
+import org.apache.druid.query.JoinAlgorithm;
 import org.apache.druid.query.JoinDataSource;
 import org.apache.druid.query.QueryContexts;
 import org.apache.druid.query.QueryDataSource;
@@ -390,7 +391,8 @@ public void testSubqueryWithNestedGroupBy()
                         JoinType.INNER,
                         null,
                         TestExprMacroTable.INSTANCE,
-                        null
+                        null,
+                        JoinAlgorithm.BROADCAST
                     )
                 )
                 .intervals(querySegmentSpec(Intervals.ETERNITY))

extensions-core/multi-stage-query/src/main/java/org/apache/druid/msq/indexing/error/BroadcastTablesTooLargeFault.java

@@ -24,7 +24,7 @@
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonTypeName;
 import org.apache.druid.java.util.common.StringUtils;
-import org.apache.druid.sql.calcite.planner.JoinAlgorithm;
+import org.apache.druid.query.JoinAlgorithm;
 import org.apache.druid.sql.calcite.planner.PlannerContext;
 
 import javax.annotation.Nullable;

extensions-core/multi-stage-query/src/main/java/org/apache/druid/msq/querykit/BroadcastJoinSegmentMapFnProcessor.java

@@ -38,11 +38,11 @@
 import org.apache.druid.msq.input.ReadableInput;
 import org.apache.druid.query.DataSource;
 import org.apache.druid.query.InlineDataSource;
+import org.apache.druid.query.JoinAlgorithm;
 import org.apache.druid.query.Query;
 import org.apache.druid.segment.ColumnValueSelector;
 import org.apache.druid.segment.Cursor;
 import org.apache.druid.segment.SegmentReference;
-import org.apache.druid.sql.calcite.planner.JoinAlgorithm;
 import org.apache.druid.sql.calcite.planner.PlannerContext;
 
 import java.io.IOException;

extensions-core/multi-stage-query/src/main/java/org/apache/druid/msq/querykit/DataSourcePlan.java

@@ -47,6 +47,7 @@
 import org.apache.druid.query.DataSource;
 import org.apache.druid.query.FilteredDataSource;
 import org.apache.druid.query.InlineDataSource;
+import org.apache.druid.query.JoinAlgorithm;
 import org.apache.druid.query.JoinDataSource;
 import org.apache.druid.query.LookupDataSource;
 import org.apache.druid.query.QueryContext;
@@ -65,8 +66,6 @@
 import org.apache.druid.segment.join.JoinConditionAnalysis;
 import org.apache.druid.sql.calcite.external.ExternalDataSource;
 import org.apache.druid.sql.calcite.parser.DruidSqlInsert;
-import org.apache.druid.sql.calcite.planner.JoinAlgorithm;
-import org.apache.druid.sql.calcite.planner.PlannerContext;
 import org.joda.time.Interval;
 
 import javax.annotation.Nullable;
@@ -212,18 +211,19 @@ public static DataSourcePlan forDataSource(
           broadcast
       );
     } else if (dataSource instanceof JoinDataSource) {
-      final JoinAlgorithm preferredJoinAlgorithm = PlannerContext.getJoinAlgorithm(queryContext);
+      JoinDataSource joinDataSource = (JoinDataSource) dataSource;
+      final JoinAlgorithm preferredJoinAlgorithm = joinDataSource.getJoinAlgorithm();
       final JoinAlgorithm deducedJoinAlgorithm = deduceJoinAlgorithm(
           preferredJoinAlgorithm,
-          ((JoinDataSource) dataSource)
+          joinDataSource
       );
 
       switch (deducedJoinAlgorithm) {
         case BROADCAST:
           return forBroadcastHashJoin(
               queryKitSpec,
               queryContext,
-              (JoinDataSource) dataSource,
+              joinDataSource,
               querySegmentSpec,
               filter,
               filterFields,
@@ -234,7 +234,7 @@ public static DataSourcePlan forDataSource(
         case SORT_MERGE:
           return forSortMergeJoin(
               queryKitSpec,
-              (JoinDataSource) dataSource,
+              joinDataSource,
               querySegmentSpec,
               minStageNumber,
               broadcast
@@ -615,7 +615,8 @@ private static DataSourcePlan forBroadcastHashJoin(
           clause.getJoinType(),
           // First JoinDataSource (i == 0) involves the base table, so we need to propagate the base table filter.
           i == 0 ? analysis.getJoinBaseTableFilter().orElse(null) : null,
-          dataSource.getJoinableFactoryWrapper()
+          dataSource.getJoinableFactoryWrapper(),
+          clause.getJoinAlgorithm()
       );
       inputSpecs.addAll(clausePlan.getInputSpecs());
       clausePlan.getBroadcastInputs().intStream().forEach(n -> broadcastInputs.add(n + shift));

extensions-core/multi-stage-query/src/test/java/org/apache/druid/msq/exec/MSQSelectTest.java

@@ -50,6 +50,7 @@
 import org.apache.druid.msq.test.MSQTestBase;
 import org.apache.druid.msq.util.MultiStageQueryContext;
 import org.apache.druid.query.InlineDataSource;
+import org.apache.druid.query.JoinAlgorithm;
 import org.apache.druid.query.LookupDataSource;
 import org.apache.druid.query.OrderBy;
 import org.apache.druid.query.Query;
@@ -81,7 +82,6 @@
 import org.apache.druid.sql.calcite.filtration.Filtration;
 import org.apache.druid.sql.calcite.planner.ColumnMapping;
 import org.apache.druid.sql.calcite.planner.ColumnMappings;
-import org.apache.druid.sql.calcite.planner.JoinAlgorithm;
 import org.apache.druid.sql.calcite.planner.PlannerContext;
 import org.apache.druid.sql.calcite.util.CalciteTests;
 import org.hamcrest.CoreMatchers;
@@ -1043,7 +1043,9 @@ private void testJoin(String contextName, Map<String, Object> context, final Joi
                                 DruidExpression.ofColumn(ColumnType.FLOAT, "m1"),
                                 DruidExpression.ofColumn(ColumnType.FLOAT, "j0.m1")
                             ),
-                            JoinType.INNER
+                            JoinType.INNER,
+                            null,
+                            joinAlgorithm
                         )
                     )
                     .setInterval(querySegmentSpec(Filtration.eternity()))
@@ -2523,7 +2525,9 @@ public void testJoinUsesDifferentAlgorithm(String contextName, Map<String, Objec
                 ),
                 "j0.",
                 "(CAST(floor(100), 'DOUBLE') == \"j0.d0\")",
-                JoinType.LEFT
+                JoinType.LEFT,
+                null,
+                JoinAlgorithm.SORT_MERGE
             )
         )
         .setAggregatorSpecs(

extensions-core/multi-stage-query/src/test/java/org/apache/druid/msq/indexing/error/MSQFaultSerdeTest.java

@@ -26,9 +26,9 @@
 import org.apache.druid.java.util.common.Intervals;
 import org.apache.druid.java.util.common.granularity.Granularities;
 import org.apache.druid.msq.guice.MSQIndexingModule;
+import org.apache.druid.query.JoinAlgorithm;
 import org.apache.druid.segment.TestHelper;
 import org.apache.druid.segment.column.ColumnType;
-import org.apache.druid.sql.calcite.planner.JoinAlgorithm;
 import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;

extensions-core/multi-stage-query/src/test/java/org/apache/druid/msq/querykit/BroadcastJoinSegmentMapFnProcessorTest.java

@@ -42,6 +42,7 @@
 import org.apache.druid.msq.indexing.error.MSQException;
 import org.apache.druid.query.DataSource;
 import org.apache.druid.query.InlineDataSource;
+import org.apache.druid.query.JoinAlgorithm;
 import org.apache.druid.query.JoinDataSource;
 import org.apache.druid.query.Query;
 import org.apache.druid.query.QueryContext;
@@ -50,7 +51,6 @@
 import org.apache.druid.segment.TestIndex;
 import org.apache.druid.segment.join.JoinConditionAnalysis;
 import org.apache.druid.segment.join.JoinType;
-import org.apache.druid.sql.calcite.planner.JoinAlgorithm;
 import org.apache.druid.sql.calcite.planner.PlannerContext;
 import org.apache.druid.testing.InitializedNullHandlingTest;
 import org.easymock.EasyMock;
@@ -190,6 +190,7 @@ public void testBuildTableAndInlineData() throws IOException
             JoinConditionAnalysis.forExpression("x == \"j.x\"", "j.", ExprMacroTable.nil()),
             JoinType.INNER,
             null,
+            null,
             null
         )
     );

extensions-core/multi-stage-query/src/test/java/org/apache/druid/msq/test/CalciteSelectJoinQueryMSQTest.java

@@ -21,11 +21,11 @@
 
 import com.google.common.collect.ImmutableMap;
 import org.apache.druid.msq.sql.MSQTaskSqlEngine;
+import org.apache.druid.query.JoinAlgorithm;
 import org.apache.druid.sql.calcite.BaseCalciteQueryTest;
 import org.apache.druid.sql.calcite.CalciteJoinQueryTest;
 import org.apache.druid.sql.calcite.QueryTestBuilder;
 import org.apache.druid.sql.calcite.SqlTestFrameworkConfig;
-import org.apache.druid.sql.calcite.planner.JoinAlgorithm;
 import org.apache.druid.sql.calcite.planner.PlannerContext;
 import java.util.Map;