Setting attribute on a field that has struct or map sub-type(s) is not supported.

Fail instead of silently ignoring it as that makes the user believe it should work.

2 files changed, 51 insertions, 0 deletions

diff --git a/config-model/src/main/java/com/yahoo/searchdefinition/document/SDField.java b/config-model/src/main/java/com/yahoo/searchdefinition/document/SDField.java
index 8b523211471..c4e0f4cafef 100644
--- a/config-model/src/main/java/com/yahoo/searchdefinition/document/SDField.java
+++ b/config-model/src/main/java/com/yahoo/searchdefinition/document/SDField.java
@@ -463,12 +463,33 @@ public class SDField extends Field implements TypedKey, FieldOperationContainer,
                     }
                 }
             }.visit(indexingScript);
+        } else {
+            if (!getDataType().equals(PositionDataType.INSTANCE) &&
+                !getDataType().equals(DataType.getArray(PositionDataType.INSTANCE)) &&
+                hasAttributeExpression(exp))
+            {
+                throw new IllegalArgumentException("For field '" + getName() + "': Setting attribute on a field that has struct or map sub-type(s) is not supported");
+            }
         }
         for (SDField structField : getStructFields()) {
             structField.setIndexingScript(exp);
         }
     }
 
+    private static boolean hasAttributeExpression(ScriptExpression exp) {
+        var visitor = new ExpressionVisitor() {
+            boolean result = false;
+            @Override
+            protected void doVisit(Expression exp) {
+                if (exp instanceof AttributeExpression) {
+                    result = true;
+                }
+            }
+        };
+        visitor.visit(exp);
+        return visitor.result;
+    }
+
     @Override
     public ScriptExpression getIndexingScript() {
         return indexingScript;
diff --git a/config-model/src/test/java/com/yahoo/vespa/model/application/validation/ComplexAttributeFieldsValidatorTestCase.java b/config-model/src/test/java/com/yahoo/vespa/model/application/validation/ComplexAttributeFieldsValidatorTestCase.java
index 3ba3745f46e..a0c05193661 100644
--- a/config-model/src/test/java/com/yahoo/vespa/model/application/validation/ComplexAttributeFieldsValidatorTestCase.java
+++ b/config-model/src/test/java/com/yahoo/vespa/model/application/validation/ComplexAttributeFieldsValidatorTestCase.java
@@ -49,6 +49,36 @@ public class ComplexAttributeFieldsValidatorTestCase {
     }
 
     @Test
+    public void throws_when_attribute_is_set_on_a_field_with_struct_sub_type() throws IOException, SAXException {
+        exceptionRule.expect(IllegalArgumentException.class);
+        exceptionRule.expectMessage("For field 'struct_array.f2': Setting attribute on a field that has struct or map sub-type(s) is not supported");
+        createModelAndValidate(joinLines(createSearchDefintionWithInvalidStructFieldAttribute("array<s1>")));
+    }
+
+    @Test
+    public void throws_when_attribute_is_set_on_a_field_with_map_sub_type() throws IOException, SAXException {
+        exceptionRule.expect(IllegalArgumentException.class);
+        exceptionRule.expectMessage("For field 'struct_array.f2': Setting attribute on a field that has struct or map sub-type(s) is not supported");
+        createModelAndValidate(joinLines(createSearchDefintionWithInvalidStructFieldAttribute("map<string, int>")));
+    }
+
+    private String createSearchDefintionWithInvalidStructFieldAttribute(String invalidFieldType) {
+        return joinLines("search test {",
+                "  document test {",
+                "    struct s1 {",
+                "      field f1 type int {}",
+                "    }",
+                "    struct s2 {",
+                "      field f2 type " + invalidFieldType + " {}",
+                "    }",
+                "    field struct_array type array<s2> {",
+                "      struct-field f2 { indexing: attribute }",
+                "    }",
+                "  }",
+                "}");
+    }
+
+    @Test
     public void validation_passes_when_only_supported_struct_field_attributes_are_used() throws IOException, SAXException {
         createModelAndValidate(joinLines("search test {",
                 "  document test {",