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PersistenceManager
Persist Objects Retrieve Objects Update Objects Delete Objects Making an object transient Any JDO-enabled application will require at least one PersistenceManager (PM). This ... -
GitHub 趋势日报 (2025年04月30日)
📈 今日整体趋势 Top 10 📊 分语言趋势 Top 5 Swift Java C++ PHP C Kotlin Dart Python Rust Go MDX Ruby C JavaScript Jupyter Notebook Lua Markdown Vim Script TypeScript PowerShe... -
Using Logstore
Real-Time data in LogStore Overview Prerequisites for using LogStore Double write LogStore and FileStore Due to the limitations of traditional offline data warehouse architect... -
Schema Evolution
Schema Evolution on Write Type Promotions Schema Evolution on read Adding Columns Altering Columns Deleting Columns Renaming columns Schema Evolution in Action Related Reso... -
3. Getting Started With Hive Beeline
Getting Started With Hive Beeline Getting Beeline Getting Started With Hive Beeline Getting Beeline $ bin / beeline -- help Usage : java org . apache . hive . cli... -
Trino
Iceberg format Paimon format Mixed format Install Support SQL statement Query Table Query BaseStore of Table Query ChangeStore of Table Trino and Amoro Type Mapping: Trino ... -
Function
always comparator compose construct curry useWith flip groupBy identity invoker nAry once pipe tap binary unary ap empty of constructN converge curryN __ bin... -
Timeline
Actions States Active and Archived timeline LSM Timeline Archival Configs Spark write client configs Flink Options At its core, Hudi maintains a timeline which is a log of... -
4. Data serialization
Data serialization is extensively used by Redisson to marshall and unmarshall bytes received or sent over network link with Redis server. Many popular codecs are available for usa... -
Queries
Querying with SQL Querying with DataFrames Catalogs with DataFrameReader Time travel SQL DataFrame Incremental read Inspecting tables History Metadata Log Entries Snapshot...
