Update SummaryDiskAccessValidator for struct fields.

2 files changed, 42 insertions, 2 deletions

diff --git a/config-model/src/main/java/com/yahoo/searchdefinition/processing/SummaryDiskAccessValidator.java b/config-model/src/main/java/com/yahoo/searchdefinition/processing/SummaryDiskAccessValidator.java
index 8c0c6a74037..2fab941b10e 100644
--- a/config-model/src/main/java/com/yahoo/searchdefinition/processing/SummaryDiskAccessValidator.java
+++ b/config-model/src/main/java/com/yahoo/searchdefinition/processing/SummaryDiskAccessValidator.java
@@ -7,11 +7,14 @@ import com.yahoo.searchdefinition.derived.SummaryClass;
 import com.yahoo.searchdefinition.document.ImmutableSDField;
 import com.yahoo.vespa.documentmodel.DocumentSummary;
 import com.yahoo.vespa.documentmodel.SummaryField;
+import com.yahoo.vespa.documentmodel.SummaryTransform;
 import com.yahoo.vespa.model.container.search.QueryProfiles;
 
 import java.util.Optional;
 import java.util.logging.Level;
 
+import static com.yahoo.searchdefinition.document.ComplexAttributeFieldUtils.isComplexFieldWithOnlyStructFieldAttributes;
+
 /**
  * Emits a warning for summaries which accesses disk.
  *
@@ -41,7 +44,7 @@ public class SummaryDiskAccessValidator extends Processor {
                     if (field == null && ! source.getName().equals(SummaryClass.DOCUMENT_ID_FIELD))
                         throw new IllegalArgumentException(summaryField + " in " + summary + " references " +
                                                            source + ", but this field does not exist");
-                    if ( ! isInMemory(field) && ! summary.isFromDisk()) {
+                    if ( ! isInMemory(field, summaryField) && ! summary.isFromDisk()) {
                         deployLogger.log(Level.WARNING, summaryField + " in " + summary + " references " +
                                                         source + ", which is not an attribute: Using this " +
                                                         "summary will cause disk accesses. " +
@@ -52,8 +55,13 @@ public class SummaryDiskAccessValidator extends Processor {
         }
     }
 
-    private boolean isInMemory(ImmutableSDField field) {
+    private boolean isInMemory(ImmutableSDField field, SummaryField summaryField) {
         if (field == null) return false; // For DOCUMENT_ID_FIELD, which may be implicit, but is then not in memory
+        if (isComplexFieldWithOnlyStructFieldAttributes(field) &&
+                (summaryField.getTransform() == SummaryTransform.ATTRIBUTECOMBINER ||
+                        summaryField.getTransform() == SummaryTransform.MATCHED_ATTRIBUTE_ELEMENTS_FILTER)) {
+            return true;
+        }
         return field.doesAttributing();
     }
 
diff --git a/config-model/src/test/java/com/yahoo/searchdefinition/SummaryTestCase.java b/config-model/src/test/java/com/yahoo/searchdefinition/SummaryTestCase.java
index f94ac1c285c..6fbd80adaa9 100644
--- a/config-model/src/test/java/com/yahoo/searchdefinition/SummaryTestCase.java
+++ b/config-model/src/test/java/com/yahoo/searchdefinition/SummaryTestCase.java
@@ -97,4 +97,36 @@ public class SummaryTestCase {
         assertTrue(logger.entries.isEmpty());
     }
 
+    @Test
+    public void testStructMemorySummary() throws ParseException {
+        String sd =
+                "search structmemorysummary {\n" +
+                        "  document structmemorysummary {\n" +
+                        "      struct elem {\n" +
+                        "        field name type string {}\n" +
+                        "        field weight type int {}\n" +
+                        "      }\n" +
+                        "      field elem_array type array<elem> {\n" +
+                        "          indexing: summary\n" +
+                        "          struct-field name {\n" +
+                        "              indexing: attribute\n" +
+                        "          }\n" +
+                        "          struct-field weight {\n" +
+                        "              indexing: attribute\n" +
+                        "          }\n" +
+                        "      }\n" +
+                        "  }\n" +
+                        "  document-summary filtered {\n" +
+                        "      summary elem_array_filtered type array<elem> {\n" +
+                        "          source: elem_array\n" +
+                        "          matched-elements-only\n" +
+                        "      }\n" +
+                        "  }\n" +
+                        "\n" +
+                        "}";
+        DeployLoggerStub logger = new DeployLoggerStub();
+        SearchBuilder.createFromString(sd, logger);
+        assertTrue(logger.entries.isEmpty());
+    }
+
 }