/**
* Prepares an update request by converting it into an index or delete request or an update
* response (no action).
*/
@SuppressWarnings("unchecked")
public Result prepare(UpdateRequest request, IndexShard indexShard) {
final GetResult getResult =
indexShard
.getService()
.get(
request.type(),
request.id(),
new String[] {
RoutingFieldMapper.NAME,
ParentFieldMapper.NAME,
TTLFieldMapper.NAME,
TimestampFieldMapper.NAME
},
true,
request.version(),
request.versionType(),
FetchSourceContext.FETCH_SOURCE,
false);
return prepare(indexShard.shardId(), request, getResult);
}
/**
* Prepares an update request by converting it into an index request.
*
* <p>TODO: detect a NOOP and return an update response if true
*/
@SuppressWarnings("unchecked")
public IndexRequest prepareUpdate(
DocTableInfo tableInfo,
ShardUpsertRequest request,
ShardUpsertRequest.Item item,
ShardId shardId)
throws ElasticsearchException {
IndexService indexService = indicesService.indexServiceSafe(shardId.getIndex());
IndexShard indexShard = indexService.shardSafe(shardId.id());
final GetResult getResult =
indexShard
.getService()
.get(
request.type(),
item.id(),
new String[] {RoutingFieldMapper.NAME, ParentFieldMapper.NAME, TTLFieldMapper.NAME},
true,
item.version(),
VersionType.INTERNAL,
FetchSourceContext.FETCH_SOURCE,
false);
if (!getResult.isExists()) {
throw new DocumentMissingException(
new ShardId(request.index(), request.shardId()), request.type(), item.id());
}
if (getResult.internalSourceRef() == null) {
// no source, we can't do nothing, through a failure...
throw new DocumentSourceMissingException(
new ShardId(request.index(), request.shardId()), request.type(), item.id());
}
Tuple<XContentType, Map<String, Object>> sourceAndContent =
XContentHelper.convertToMap(getResult.internalSourceRef(), true);
final Map<String, Object> updatedSourceAsMap;
final XContentType updateSourceContentType = sourceAndContent.v1();
String routing =
getResult.getFields().containsKey(RoutingFieldMapper.NAME)
? getResult.field(RoutingFieldMapper.NAME).getValue().toString()
: null;
String parent =
getResult.getFields().containsKey(ParentFieldMapper.NAME)
? getResult.field(ParentFieldMapper.NAME).getValue().toString()
: null;
updatedSourceAsMap = sourceAndContent.v2();
SymbolToFieldExtractorContext ctx =
new SymbolToFieldExtractorContext(functions, item.insertValues());
Map<String, Object> pathsToUpdate = new LinkedHashMap<>();
Map<String, Object> updatedGeneratedColumns = new LinkedHashMap<>();
for (int i = 0; i < request.updateColumns().length; i++) {
/**
* NOTE: mapping isn't applied. So if an Insert was done using the ES Rest Endpoint the data
* might be returned in the wrong format (date as string instead of long)
*/
String columnPath = request.updateColumns()[i];
Object value =
SYMBOL_TO_FIELD_EXTRACTOR.convert(item.updateAssignments()[i], ctx).extract(getResult);
ReferenceInfo referenceInfo = tableInfo.getReferenceInfo(ColumnIdent.fromPath(columnPath));
if (referenceInfo instanceof GeneratedReferenceInfo) {
updatedGeneratedColumns.put(columnPath, value);
} else {
pathsToUpdate.put(columnPath, value);
}
}
processGeneratedColumns(
tableInfo,
pathsToUpdate,
updatedGeneratedColumns,
request.validateGeneratedColumns(),
getResult);
updateSourceByPaths(updatedSourceAsMap, pathsToUpdate);
final IndexRequest indexRequest =
Requests.indexRequest(request.index())
.type(request.type())
.id(item.id())
.routing(routing)
.parent(parent)
.source(updatedSourceAsMap, updateSourceContentType)
.version(getResult.getVersion());
indexRequest.operationThreaded(false);
return indexRequest;
}