Examples with DeleteByQueryRequest org.elasticsearch.index.reindex.DeleteByQueryRequest used on opensource projects

Example 11 with DeleteByQueryRequest

use of org.elasticsearch.index.reindex.DeleteByQueryRequest in project elasticsearch-indexing-proxy by codelibs.

the class RequestUtils method createDeleteByQueryRequest.

public static DeleteByQueryRequestBuilder createDeleteByQueryRequest(final Client client, final StreamInput streamInput, final String index) throws IOException {
    final DeleteByQueryRequestBuilder builder = client.prepareExecute(DeleteByQueryAction.INSTANCE);
    final DeleteByQueryRequest request = builder.request();
    request.readFrom(streamInput);
    if (index != null) {
        request.indices(index);
    }
    return builder;
}

Example 12 with DeleteByQueryRequest

use of org.elasticsearch.index.reindex.DeleteByQueryRequest in project gora by apache.

the class ElasticsearchStore method deleteByQuery.

@Override
public long deleteByQuery(Query<K, T> query) throws GoraException {
    try {
        BulkByScrollResponse bulkResponse;
        if (query.getFields() != null && query.getFields().length < elasticsearchMapping.getFields().size()) {
            UpdateByQueryRequest updateRequest = new UpdateByQueryRequest(elasticsearchMapping.getIndexName());
            QueryBuilder matchDocumentsWithinRange = QueryBuilders.rangeQuery("gora_id").from(query.getStartKey()).to(query.getEndKey());
            updateRequest.setQuery(matchDocumentsWithinRange);
            // Create a script for deleting fields
            StringBuilder toDelete = new StringBuilder();
            String[] fieldsToDelete = query.getFields();
            for (String field : fieldsToDelete) {
                String elasticsearchField = elasticsearchMapping.getFields().get(field).getName();
                toDelete.append(String.format(Locale.getDefault(), "ctx._source.remove('%s');", elasticsearchField));
            }
            // toDelete.deleteCharAt(toDelete.length() - 1);
            updateRequest.setScript(new Script(ScriptType.INLINE, "painless", toDelete.toString(), Collections.emptyMap()));
            bulkResponse = client.updateByQuery(updateRequest, RequestOptions.DEFAULT);
            return bulkResponse.getUpdated();
        } else {
            DeleteByQueryRequest deleteRequest = new DeleteByQueryRequest(elasticsearchMapping.getIndexName());
            QueryBuilder matchDocumentsWithinRange = QueryBuilders.rangeQuery("gora_id").from(query.getStartKey()).to(query.getEndKey());
            deleteRequest.setQuery(matchDocumentsWithinRange);
            bulkResponse = client.deleteByQuery(deleteRequest, RequestOptions.DEFAULT);
            return bulkResponse.getDeleted();
        }
    } catch (IOException ex) {
        throw new GoraException(ex);
    }
}