nfsantos commented on code in PR #649:
URL: https://github.com/apache/jackrabbit-oak/pull/649#discussion_r950282226
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oak-search-elastic/src/main/java/org/apache/jackrabbit/oak/plugins/index/elastic/index/ElasticIndexHelper.java:
##########
@@ -207,21 +222,57 @@ private static void mapIndexRules(ElasticIndexDefinition
indexDefinition, XConte
useInSuggest = true;
}
}
-
+ /* TODO: (Add JIRA issue # once available) Potential future
optimization:
+ * If a property has propertyIndex=false, we could in principle
create an ES mapping with index=false to
+ * avoid creating an index for this property, thus saving time
and space. However, there is an issue
+ * with function indexes, which incorrectly rely on the index
being created even in the case where
+ * propertyIndex=false. Once this issue is solved, revise the
logic below to set index=false in the ES
+ * field if propertyIndex=false.
+ */
mappingBuilder.startObject(name);
{
//
https://www.elastic.co/guide/en/elasticsearch/reference/current/mapping-types.html
if (Type.BINARY.equals(type)) {
mappingBuilder.field("type", "binary");
+ // ignore_malformed not allowed for binary fields but also
not needed as there is no type conversion
+ if (indexDefinition.isAnalyzed(propertyDefinitions)) {
+ createNestedAnalyzed(mappingBuilder);
+ }
} else if (Type.LONG.equals(type)) {
mappingBuilder.field("type", "long");
+ mappingBuilder.field("ignore_malformed", true);
+ if (indexDefinition.isAnalyzed(propertyDefinitions)) {
+ createNestedAnalyzed(mappingBuilder);
+ }
} else if (Type.DOUBLE.equals(type) ||
Type.DECIMAL.equals(type)) {
mappingBuilder.field("type", "double");
+ mappingBuilder.field("ignore_malformed", true);
+ if (indexDefinition.isAnalyzed(propertyDefinitions)) {
+ createNestedAnalyzed(mappingBuilder);
+ }
} else if (Type.DATE.equals(type)) {
mappingBuilder.field("type", "date");
+ mappingBuilder.field("ignore_malformed", true);
+ if (indexDefinition.isAnalyzed(propertyDefinitions)) {
+ createNestedAnalyzed(mappingBuilder);
+ }
} else if (Type.BOOLEAN.equals(type)) {
mappingBuilder.field("type", "boolean");
+ // ES does not support "ignore_malformed" on boolean
properties, so all values added to the index
+ // must parse as valid booleans or else the document is
rejected. We therefore also do not support
+ // the nested full text field, because to do so we would
need to provide a value for the top level
+ // field, which must be a valid value. As in this case we
cannot set ignore_malformed=true to still
+ // index as full-text the invalid values, we cannot have a
full-text index. This breaks compatibility
+ // with Lucene, which accepts any value, even if it is not
a valid boolean, but this is unlikely to
+ // have much impact because setting analyzed=true in a
boolean property should have no real world
Review Comment:
I added this comment to the Elastic documentation:
```
* Properties of type Boolean do not support `analyzed=true`.
```
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