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SET
Terminal SET clauses Set a property Return created vertex Remove a property Set multiple properties using one SET clause The SET clause is used to update labels and properti... -
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... -
Flink Queries
Flink Queries Iceberg support streaming and batch read With Apache Flink ‘s DataStream API and Table API. Reading with SQL Iceberg support both streaming and batch read in Flink... -
Object
clone values eqProps keys omit pick pickAll project prop props keysIn path valuesIn toPairs toPairsIn clone {*} → {*} Parameters valueThe object or array to c... -
ORDER BY
Introduction Order nodes by property Order nodes by multiple properties Order nodes in descending order Ordering null ORDER BY is a sub-clause following WITH . ORDER BY spec... -
第六章：volatile关键字
学习目标 1 内存可见性问题 1.1 什么是内存可见性 1.2 内存可见性问题的原因 2 volatile的作用与使用场景 2.1 volatile关键字介绍 2.2 volatile的内存语义 2.3 volatile的适用场景 2.4 volatile不能解决的问题 3 volatile与synchronized的区别 3.1 可见性与... -
State Management and Watermarks
Managing Watermarks in a Job Basics Task Failures Multi-Dataset Jobs Gobblin State Deep Dive State class hierarchy How States are Used in a Gobblin Job This page has two p... -
Logic
and isEmpty not or cond ifElse allPass anyPass defaultTo both complement either propSatisfies unless when pathSatisfies until and a → b → a | b Added in v0.1.... -
Writes
Spark Writes To use Iceberg in Spark, first configure Spark catalogs . Some plans are only available when using Iceberg SQL extensions in Spark 3. Iceberg uses Apache Spark’s D... -
Introduction
Documentation Apache Iceberg is an open table format for huge analytic datasets. Iceberg adds tables to compute engines including Spark, Trino, PrestoDB, Flink, Hive and Impala u...
