1 files changed, 57 insertions, 0 deletions
diff --git a/config-model/src/main/java/com/yahoo/schema/processing/AttributesImplicitWord.java b/config-model/src/main/java/com/yahoo/schema/processing/AttributesImplicitWord.java
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+++ b/config-model/src/main/java/com/yahoo/schema/processing/AttributesImplicitWord.java
@@ -0,0 +1,57 @@
+// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.schema.processing;
+
+import com.yahoo.config.application.api.DeployLogger;
+import com.yahoo.schema.RankProfileRegistry;
+import com.yahoo.document.DataType;
+import com.yahoo.schema.Schema;
+import com.yahoo.schema.document.ImmutableSDField;
+import com.yahoo.schema.document.MatchType;
+import com.yahoo.document.NumericDataType;
+import com.yahoo.vespa.model.container.search.QueryProfiles;
+
+/**
+ * Fields that derive to attribute(s) and no indices should use the WORD indexing form,
+ * in a feeble attempt to match the most peoples expectations as closely as possible.
+ *
+ * @author Vegard Havdal
+ */
+public class AttributesImplicitWord extends Processor {
+
+    public AttributesImplicitWord(Schema schema, DeployLogger deployLogger, RankProfileRegistry rankProfileRegistry, QueryProfiles queryProfiles) {
+        super(schema, deployLogger, rankProfileRegistry, queryProfiles);
+    }
+
+    @Override
+    public void process(boolean validate, boolean documentsOnly) {
+        for (ImmutableSDField field : schema.allConcreteFields()) {
+            processFieldRecursive(field);
+        }
+    }
+
+    private void processFieldRecursive(ImmutableSDField field) {
+        processField(field);
+        for (ImmutableSDField structField : field.getStructFields()) {
+            processFieldRecursive(structField);
+        }
+    }
+
+    private void processField(ImmutableSDField field) {
+        if (fieldImplicitlyWordMatch(field)) {
+            field.getMatching().setType(MatchType.WORD);
+        }
+    }
+
+    private boolean fieldImplicitlyWordMatch(ImmutableSDField field) {
+        // numeric types should not trigger exact-match query parsing
+        DataType dt = field.getDataType().getPrimitiveType();
+        if (dt != null && dt instanceof NumericDataType) {
+            return false;
+        }
+        return (! field.hasIndex()
+                && !field.getAttributes().isEmpty()
+                && field.getIndices().isEmpty()
+                && !field.getMatching().isTypeUserSet());
+    }
+
+}