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Tag: LogicalPlan
3 items with this tag.
Feb 28, 2026
Spark SQL 全局架构：从 SQL 文本到 RDD 执行的完整旅程
Spark
SparkSQL
Catalyst
DataFrame
Dataset
LogicalPlan
PhysicalPlan
RDD
架构
Feb 28, 2026
Catalyst 解析与分析：从 AST 到 Analyzed LogicalPlan
Spark
SparkSQL
Catalyst
Parser
Analyzer
AST
LogicalPlan
Catalog
Antlr4
Resolution
Feb 28, 2026
Catalyst 逻辑优化：Rule-Based Optimizer 的核心规则
Spark
SparkSQL
Catalyst
Optimizer
RBO
谓词下推
列裁剪
常量折叠
子查询优化
LogicalPlan