schema means that documents in the same collection do not need to have the same set of fields or structure, and common fields in a collection's documents may hold different types of data.Below given table shows the relationship of RDBMS terminology with MongoDBRDBMS...
Dynamic schema means that documents in the same collection do not need to have the same set of fields or structure, and common fields in a collection's documents may hold different types of data. Below given table shows the relationship of RDBMS terminology with MongoDB RDBMS MongoDB Database...
private BasicDBList createCriteriaList(Criteria[] criteria) { BasicDBList bsonList = new BasicDBList(); for (Criteria c : criteria) { bsonList.add(c.getCriteriaObject()); } return bsonList; } 代码来源:spring-projects/spring-data-mongodb Shape$Center.toDBObject() @Override public DBObjec...
@InjectpublicIndexFieldTypesService(MongoConnectionmongoConnection,MongoJackObjectMapperProviderobjectMapperProvider){this.db=JacksonDBCollection.wrap(mongoConnection.getDatabase().getCollection("index_field_types"),IndexFieldTypesDTO.class,ObjectId.class,objectMapperProvider.get());this.db.createIndex(newBasic...
代码示例来源:origin: org.mongodb/mongo-java-driver /** * Deals with encoding database references. * * @param name the name of the field in the document * @param ref the database reference object */ protected void putDBRef(final String name, final DBRef ref) { BasicDBObject dbRefDocume...
Data types Nulls In Pig a null data element means the value is unknown.which is completely different from the concept of null in C, Java, Python, etc. Schemas dividends = load 'NYSE_dividends' ...Hadoop集群安装Pig 下载压缩包:http://www.apache.org/dyn/closer.cgi/pig 解压: 配置: 在 ...
MariaDBLinkedService MariaDBSource MariaDBTableDataset MarketoLinkedService MarketoObjectDataset MarketoSource MetadataItem MicrosoftAccessLinkedService MicrosoftAccessSink MicrosoftAccessSource MicrosoftAccessTableDataset MongoDbAtlasCollectionDataset MongoDbAtlasLinkedService MongoDbAtlasSink MongoDbAtlasSource MongoDb...
MongoDB Monster API (Independent Publisher) Moosend (Independent Publisher) MoreApp Forms Morf Morta MotaWord Translations Motimate MQ MS Graph Groups and Users MSN Weather Mtarget SMS Muhimbi PDF MURAL My Acclaro MySQL myStrom (Independent Publisher) N-able Cloud Commander N-able Cloud User Hub ...
包路径:org.bson.types.BasicBSONList类名称:BasicBSONList方法名:<init> BasicBSONList.<init>介绍 暂无 代码示例 代码示例来源:origin: org.mongodb/mongo-java-driver /** * Factory method for creating a new BSON List. * * @return a new BasicBSONList. */ protected BSONObject createList() { ...
An action is invoked via theaction(type=”type” …)object. Type is mandatory and must contain the name of the plugin to be called (e.g. “omfile” or “ommongodb”). Other parameters may be present. Their type and use depends on the output plugin in question. ...