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Configuration
Spark Configuration Catalogs Spark adds an API to plug in table catalogs that are used to load, create, and manage Iceberg tables. Spark catalogs are configured by setting Spark ... -
Object
clone values eqProps keys omit pick pickAll project prop props keysIn path valuesIn toPairs toPairsIn propOr has hasIn clone {*} → {*} Parameters valueThe ... -
Spark Writes
Writing with SQL INSERT OVERWRITE INSERT INTO Upsert to table with primary keys. DELETE FROM UPDATE MERGE INTO Writing with DataFrames Appending data Overwriting data Crea... -
Branching and Tagging
Branching and Tagging Overview Iceberg table metadata maintains a snapshot log, which represents the changes applied to a table. Snapshots are fundamental in Iceberg as they are ... -
Math
clone values eqProps keys omit pick pickAll project prop props keysIn path valuesIn toPairs toPairsIn clone {*} → {*} Parameters valueThe object or array to c... -
Object
clone values eqProps keys omit pick pickAll project prop props where clone {*} → {*} Parameters valueThe object or array to clone Returns * A deeply cloned copy... -
Structured Streaming
Spark Structured Streaming Iceberg uses Apache Spark’s DataSourceV2 API for data source and catalog implementations. Spark DSv2 is an evolving API with different levels of support... -
Administrator CLI
Usage Manage kyuubi servers List server Create server Get server Delete server Manage kyuubi engines List engine Get engine Delete engine Usage bin / kyuubi - ctl -- h... -
第四章：线程安全问题
学习目标 1. 什么是线程安全 1.1 线程安全的定义 1.2 线程安全的重要性 2. 共享资源访问的竞态条件 2.1 什么是竞态条件 2.2 竞态条件示例 2.3 竞态条件的类型 读-改-写竞态条件 检查再执行竞态条件 3. 线程安全问题的表现形式 3.1 原子性问题 3.2 可见性问题 3.3 有序性问题 4. 实战案例：商品... -
Prepared Statements
Cypher Parameter Format Prepared Statements Preparation Prepared Statements Execution Cypher can run a read query within a Prepared Statement. When using parameters with stored...
