1. Overview
  2. Architecture
    ❱
    1. Workspace and Crates
    2. SQL Query Processing Pipeline
    3. Data Formats and Arrow Integration
  4. SQL Interface
    ❱
    1. SqlEngine API
    2. SQL Preprocessing and Dialect Handling
    3. INSERT Buffering System
  6. Query Planning
    ❱
    1. Plan Structures
    2. Subquery and Correlation Handling
  8. Expression System
    ❱
    1. Expression AST
    2. Expression Translation
    3. Program Compilation
    4. Scalar Evaluation and NumericKernels
    5. Aggregation System
  10. Query Execution
    ❱
    1. TablePlanner and TableExecutor
    2. Scan Execution and Optimization
    3. Filter Evaluation
  12. Storage Layer
    ❱
    1. Table Abstraction
    2. Column Storage and ColumnStore
    3. Pager Interface and SIMD Optimization
  14. Catalog and Metadata Management
    ❱
    1. CatalogManager API
    2. System Catalog and SysCatalog
    3. Custom Types and Type Registry