1. 🇬🇧 English
  2. 2026
    ❱
    1. Week 13
      ❱
      1. UUID and Base32hex Encoding
      2. JSONPath String Methods: Cleaning JSON Inside the Path—and a Long Debate About Immutability
    2. Week 12
      ❱
      1. Reduce Planning Time for Large NOT IN Lists Containing NULL
    3. Week 11
      ❱
      1. Converting NOT IN Sublinks to Anti-Joins When Safe
    4. Week 10
      ❱
      1. Generic Plans and Initial Pruning: Fewer Locks for Partitioned Tables
    5. Week 09
      ❱
      1. More Speedups for Tuple Deformation: Precalculating attcacheoff
    6. Week 08
      ❱
      1. Eliminating SPI from RI Triggers: A Fast Path for Foreign Key Checks
    7. Week 07
      ❱
      1. SQL Property Graph Queries (SQL/PGQ): Bringing Graph Queries to PostgreSQL
      2. Reducing LEFT JOIN to ANTI JOIN: A Planner Optimization for "WHERE col IS NULL"
    8. Week 06
      ❱
      1. COPY TO with JSON Format: Native JSON Export from PostgreSQL
    9. Week 05
      ❱
      1. GOO: A Greedy Join Search Algorithm for Large Join Problems
      2. Batching in Executor: Batch-Oriented Tuple Processing
    10. Week 04
      ❱
      1. PostgreSQL Planner Optimization: Automatic COUNT(*) Conversion
    11. Week 03
      ❱
      1. Extended Statistics Import/Export Functions
      2. pg_plan_advice: Query Plan Control
  3. 🇨🇳 中文
  4. 2026
    ❱
    1. 第 13 周
      ❱
      1. UUID 与 base32hex 编码
      2. JSONPath 字符串方法:在路径里清洗 JSON,以及一场关于不可变性的长跑讨论
    2. 第 12 周
      ❱
      1. 缩短含 NULL 的大规模 NOT IN 列表的规划时间
    3. 第 11 周
      ❱
      1. 将 NOT IN 子链接安全地转换为 ANTI JOIN
    4. 第 10 周
      ❱
      1. 通用计划与初始裁剪:为分区表减少锁竞争
    5. 第 09 周
      ❱
      1. 元组解构的进一步加速:预计算 attcacheoff
    6. 第 08 周
      ❱
      1. 消除 RI 触发器中的 SPI:外键检查的快速路径
    7. 第 07 周
      ❱
      1. SQL 属性图查询(SQL/PGQ):为 PostgreSQL 引入图查询能力
      2. 将 LEFT JOIN 归约为 ANTI JOIN:针对 "WHERE col IS NULL" 的优化器优化
    8. 第 06 周
      ❱
      1. COPY TO 的 JSON 格式:PostgreSQL 原生 JSON 导出
    9. 第 05 周
      ❱
      1. GOO:面向大规模连接问题的贪心连接顺序搜索算法
      2. 执行器批处理:面向批量的元组处理
    10. 第 04 周
      ❱
      1. PostgreSQL 查询优化器优化:自动 COUNT(*) 转换
    11. 第 03 周
      ❱
      1. 扩展统计信息导入/导出功能
      2. pg_plan_advice:查询计划控制

Postgres Weekly, A Hacker’s Digest

2026 Archive

PostgreSQL Weekly posts for 2026.

Weeks

  • Week 13
    • UUID and Base32hex Encoding
    • JSONPath String Methods: Cleaning JSON Inside the Path—and a Long Debate About Immutability
  • Week 12
    • Reduce Planning Time for Large NOT IN Lists Containing NULL
  • Week 11
    • Converting NOT IN Sublinks to Anti-Joins When Safe
  • Week 10
    • Generic Plans and Initial Pruning: Fewer Locks for Partitioned Tables
  • Week 09
    • More Speedups for Tuple Deformation: Precalculating attcacheoff
  • Week 08
    • Eliminating SPI from RI Triggers: A Fast Path for Foreign Key Checks
  • Week 07
    • SQL Property Graph Queries (SQL/PGQ): Bringing Graph Queries to PostgreSQL
    • Reducing LEFT JOIN to ANTI JOIN: A Planner Optimization for "WHERE col IS NULL"
  • Week 06
    • COPY TO with JSON Format: Native JSON Export from PostgreSQL
  • Week 05
    • GOO: A Greedy Join Search Algorithm for Large Join Problems
    • Batching in Executor: Batch-Oriented Tuple Processing
  • Week 04
    • PostgreSQL Planner Optimization: Automatic COUNT(*) Conversion
  • Week 03
    • Extended Statistics Import/Export Functions
    • pg_plan_advice: Query Plan Control
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