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Slow queries on simple index
  2026-01-17 13:58 UTC  Lillian Berry <[email protected]>
` Re: Slow queries on simple index
  2026-01-17 14:59 UTC  Pavel Stehule <[email protected]>
` Re: Slow queries on simple index
  2026-01-17 15:28 UTC  Ken Marshall <[email protected]>
` Re: Slow queries on simple index
  2026-01-17 16:57 UTC  Tom Lane <[email protected]>
` Re: Slow queries on simple index
  2026-01-17 19:33 UTC  Lillian Berry <[email protected]>
` Re: Slow queries on simple index
  2026-01-17 20:21 UTC  Andrei Lepikhov <[email protected]>
` Re: Slow queries on simple index
  2026-01-17 20:52 UTC  Lillian Berry <[email protected]>
` Re: Slow queries on simple index
  2026-01-17 21:10 UTC  Tom Lane <[email protected]>
` [Solved] Slow queries on simple index
  2026-01-17 22:06 UTC  Lillian Berry <[email protected]>
` Re: Slow queries on simple index
  2026-01-18 09:24 UTC  Andrei Lepikhov <[email protected]>
  [10+ messages in thread]

Troubleshooting a brief spike in active sessions
  2026-01-09 21:41 UTC  Dirschel, Steve-CW <[email protected]>
` Re: Troubleshooting a brief spike in active sessions
  2026-01-09 21:58 UTC  Joshua Banton <[email protected]>
` Re: Troubleshooting a brief spike in active sessions
  2026-01-09 22:27 UTC  Nikolay Samokhvalov <[email protected]>
` Re: Troubleshooting a brief spike in active sessions
  2026-01-09 22:29 UTC  Nikolay Samokhvalov <[email protected]>
  [4+ messages in thread]

Another unexpected planner choice in simple JOIN
  2026-01-09 00:12 UTC  Mark Kirkwood <[email protected]>
` Re: Another unexpected planner choice in simple JOIN
  2026-01-09 01:15 UTC  Mark Kirkwood <[email protected]>
  [2+ messages in thread]

Unexpected planner choice in simple JOIN
  2026-01-08 01:35 UTC  Mark Kirkwood <[email protected]>
` Re: Unexpected planner choice in simple JOIN
  2026-01-08 03:34 UTC  Mark Kirkwood <[email protected]>
` Re: Unexpected planner choice in simple JOIN
  2026-01-08 03:56 UTC  David Rowley <[email protected]>
` Re: Unexpected planner choice in simple JOIN
  2026-01-08 04:03 UTC  Mark Kirkwood <[email protected]>
` Re: Unexpected planner choice in simple JOIN
  2026-01-08 04:14 UTC  David Rowley <[email protected]>
` Re: Unexpected planner choice in simple JOIN
  2026-01-08 04:24 UTC  Mark Kirkwood <[email protected]>
` Re: Unexpected planner choice in simple JOIN
  2026-01-08 04:34 UTC  Tom Lane <[email protected]>
` Re: Unexpected planner choice in simple JOIN
  2026-01-08 04:44 UTC  Mark Kirkwood <[email protected]>
` Re: Unexpected planner choice in simple JOIN
  2026-01-08 04:51 UTC  Tom Lane <[email protected]>
` Re: Unexpected planner choice in simple JOIN
  2026-01-08 04:55 UTC  Mark Kirkwood <[email protected]>
  [10+ messages in thread]

Surprising optimizer behavior with a subquery, a GROUP BY, and a range filter
  2026-01-02 20:26 UTC  wotq <[email protected]>
` Re: Surprising optimizer behavior with a subquery, a GROUP BY, and a range filter
  2026-01-02 20:46 UTC  Tom Lane <[email protected]>
  [2+ messages in thread]

Seeking guidance on extremely slow pg_restore despite strong I/O performance
  2025-12-05 10:30 UTC  MentionTheElephant <[email protected]>
` Re: Seeking guidance on extremely slow pg_restore despite strong I/O performance
  2025-12-05 20:27 UTC  [email protected]
` Re: Seeking guidance on extremely slow pg_restore despite strong I/O performance
  2025-12-08 00:53 UTC  Jeff Janes <[email protected]>
  [3+ messages in thread]

Client-server communication for FETCH
  2025-12-03 18:02 UTC  Tim Fors <[email protected]>
` Re: Client-server communication for FETCH
  2025-12-03 18:41 UTC  Tom Lane <[email protected]>
` Re: Client-server communication for FETCH
  2025-12-03 19:45 UTC  Tim Fors <[email protected]>
` Re: Client-server communication for FETCH
  2025-12-05 09:08 UTC  Jan Claeys <[email protected]>
  [4+ messages in thread]

Why is my query 3 times faster on my workstation than on my server?
  2025-12-04 18:46 UTC  Vincent Veyron <[email protected]>
` Re: Why is my query 3 times faster on my workstation than on my server?
  2025-12-04 18:53 UTC  Pavel Stehule <[email protected]>
` Re: Why is my query 3 times faster on my workstation than on my server?
  2025-12-04 19:06 UTC  Tom Lane <[email protected]>
` RE: Why is my query 3 times faster on my workstation than on my server?
  2025-12-04 19:51 UTC  Clay Jackson (cjackson) <[email protected]>
` Re: Why is my query 3 times faster on my workstation than on my server?
  2025-12-04 22:56 UTC  Vincent Veyron <[email protected]>
  [5+ messages in thread]

Multicolumn index scan efficiency
  2025-11-10 02:44 UTC  Vitalii Tymchyshyn <[email protected]>
` Re: Multicolumn index scan efficiency
  2025-11-10 04:20 UTC  Peter Geoghegan <[email protected]>
` Re: Multicolumn index scan efficiency
  2025-11-10 05:12 UTC  Vitalii Tymchyshyn <[email protected]>
` Re: Multicolumn index scan efficiency
  2025-11-10 17:00 UTC  Peter Geoghegan <[email protected]>
  [4+ messages in thread]

Index Searches higher than expected for skip scan
  2025-11-06 19:00 UTC  Michael Christofides <[email protected]>
` Re: Index Searches higher than expected for skip scan
  2025-11-06 19:54 UTC  Peter Geoghegan <[email protected]>
` Re: Index Searches higher than expected for skip scan
  2025-11-06 20:39 UTC  Peter Geoghegan <[email protected]>
` Re: Index Searches higher than expected for skip scan
  2025-11-07 11:16 UTC  Michael Christofides <[email protected]>
` Re: Index Searches higher than expected for skip scan
  2025-11-07 15:00 UTC  Peter Geoghegan <[email protected]>
  [5+ messages in thread]

Problem getting query to use index inside a function
  2025-11-05 16:02 UTC  Dirschel, Steve <[email protected]>
` Re: Problem getting query to use index inside a function
  2025-11-05 16:18 UTC  Tom Lane <[email protected]>
` RE: [EXT] Re: Problem getting query to use index inside a function
  2025-11-05 16:55 UTC  Dirschel, Steve <[email protected]>
` Re: [EXT] Re: Problem getting query to use index inside a function
  2025-11-05 19:17 UTC  Tom Lane <[email protected]>
` RE: [EXT] Re: Problem getting query to use index inside a function
  2025-11-05 20:18 UTC  Dirschel, Steve <[email protected]>
  [5+ messages in thread]

trgm and index-usage when using similarity function
  2025-11-05 08:18 UTC  Andreas Joseph Krogh <[email protected]>

GEQO plans much slower than standard join plans
  2025-10-27 18:17 UTC  Carlo Sganzerla <[email protected]>
` Re: GEQO plans much slower than standard join plans
  2025-10-28 01:24 UTC  Tomas Vondra <[email protected]>
` Re: GEQO plans much slower than standard join plans
  2025-10-28 15:43 UTC  Carlo Sganzerla <[email protected]>
` Re: GEQO plans much slower than standard join plans
  2025-10-29 02:05 UTC  Tomas Vondra <[email protected]>
` Re: GEQO plans much slower than standard join plans
  2025-10-29 14:57 UTC  Carlo Sganzerla <[email protected]>
` Re: GEQO plans much slower than standard join plans
  2025-10-31 01:19 UTC  David Rowley <[email protected]>
  [6+ messages in thread]

Performance implications of partitioning by UUIDv7 range in PostgreSQL v18
  2025-10-22 03:37 UTC  Jonathan Reis <[email protected]>
` Re: Performance implications of partitioning by UUIDv7 range in PostgreSQL v18
  2025-10-22 19:55 UTC  David Rowley <[email protected]>
` Re: Performance implications of partitioning by UUIDv7 range in PostgreSQL v18
  2025-10-22 21:05 UTC  Olof Salberger <[email protected]>
` Re: Performance implications of partitioning by UUIDv7 range in PostgreSQL v18
  2025-10-23 16:51 UTC  Greg Sabino Mullane <[email protected]>
` Re: Performance implications of partitioning by UUIDv7 range in PostgreSQL v18
  2025-10-23 20:11 UTC  Jonathan Reis <[email protected]>
` Re: Performance implications of partitioning by UUIDv7 range in PostgreSQL v18
  2025-10-23 20:38 UTC  Laurenz Albe <[email protected]>
` Re: Performance implications of partitioning by UUIDv7 range in PostgreSQL v18
  2025-10-23 22:54 UTC  David Rowley <[email protected]>
` Re: Performance implications of partitioning by UUIDv7 range in PostgreSQL v18
  2025-10-24 02:14 UTC  Jonathan Reis <[email protected]>
` Re: Performance implications of partitioning by UUIDv7 range in PostgreSQL v18
  2025-10-24 05:04 UTC  Laurenz Albe <[email protected]>
` Re: Performance implications of partitioning by UUIDv7 range in PostgreSQL v18
  2025-10-24 12:38 UTC  Greg Sabino Mullane <[email protected]>
` Re: Performance implications of partitioning by UUIDv7 range in PostgreSQL v18
  2025-10-24 15:24 UTC  Jonathan Reis <[email protected]>
  [11+ messages in thread]

Re: Indexes on expressions with multiple columns and operators
  2025-10-13 14:00 UTC  Andrei Lepikhov <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-10-13 14:55 UTC  Tom Lane <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-10-14 09:29 UTC  Andrei Lepikhov <[email protected]>
  [3+ messages in thread]

Re: Indexes on expressions with multiple columns and operators
  2025-10-13 13:56 UTC  Andrei Lepikhov <[email protected]>

Re: Poor performance with row wise comparisons
  2025-10-09 21:53 UTC  Peter Geoghegan <[email protected]>
` Re: Poor performance with row wise comparisons
  2025-10-10 04:21 UTC  [email protected]
` Re: Poor performance with row wise comparisons
  2025-10-11 23:03 UTC  David G. Johnston <[email protected]>
  [3+ messages in thread]

Question about nested loops..
  2025-10-09 08:52 UTC  Frits Jalvingh <[email protected]>
` Re: Question about nested loops..
  2025-10-09 10:00 UTC  Andrei Lepikhov <[email protected]>
` Re: Question about nested loops..
  2025-10-10 09:28 UTC  Andrei Lepikhov <[email protected]>
  [3+ messages in thread]

Partition pruning is not happening (even in PG18)
  2025-09-25 19:34 UTC  Lauro Ojeda <[email protected]>
` Re: Partition pruning is not happening (even in PG18)
  2025-09-25 20:10 UTC  Michał Kłeczek <[email protected]>
` Re: Partition pruning is not happening (even in PG18)
  2025-09-25 20:13 UTC  Michał Kłeczek <[email protected]>
` Re: Partition pruning is not happening (even in PG18)
  2025-09-25 20:17 UTC  David Rowley <[email protected]>
` Re: Partition pruning is not happening (even in PG18)
  2025-09-29 13:49 UTC  Lauro Ojeda <[email protected]>
` Re: Partition pruning is not happening (even in PG18)
  2025-09-29 20:05 UTC  Chetan <[email protected]>
` Re: Partition pruning is not happening (even in PG18)
  2025-09-29 20:08 UTC  David Rowley <[email protected]>
  [7+ messages in thread]

Indexes on expressions with multiple columns and operators
  2025-09-17 13:55 UTC  Frédéric Yhuel <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-09-17 14:22 UTC  Laurenz Albe <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-09-17 14:41 UTC  Tom Lane <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-09-17 14:57 UTC  Frédéric Yhuel <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-09-17 15:33 UTC  Frédéric Yhuel <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-09-18 15:26 UTC  Jehan-Guillaume de Rorthais <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-09-18 15:32 UTC  Tom Lane <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-09-18 16:40 UTC  Tom Lane <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-09-18 16:48 UTC  Ranier Vilela <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-09-18 16:59 UTC  Tom Lane <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-09-19 07:50 UTC  Frédéric Yhuel <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-09-19 14:37 UTC  Jehan-Guillaume de Rorthais <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-09-20 16:51 UTC  Tom Lane <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-09-22 13:37 UTC  Frédéric Yhuel <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-09-22 13:57 UTC  Andrei Lepikhov <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-09-22 16:09 UTC  Frédéric Yhuel <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-09-22 21:15 UTC  Andrei Lepikhov <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-09-23 10:20 UTC  Frédéric Yhuel <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-09-23 10:43 UTC  Andrei Lepikhov <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-09-23 13:31 UTC  Frédéric Yhuel <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-09-25 10:41 UTC  Frédéric Yhuel <[email protected]>
` Re: Indexes on expressions with multiple columns and operators
  2025-09-25 10:43 UTC  Frédéric Yhuel <[email protected]>
  [22+ messages in thread]

Very expensive update to update a single row
  2025-09-23 19:40 UTC  Dirschel, Steve <[email protected]>
` Re: Very expensive update to update a single row
  2025-09-23 21:12 UTC  Sean M <[email protected]>
  [2+ messages in thread]

Re: Poor row estimates from planner, stat `most_common_elems` sometimes missing for a text[] column
  2025-09-08 19:13 UTC  Matt Long <[email protected]>
` Re: Poor row estimates from planner, stat `most_common_elems` sometimes missing for a text[] column
  2025-09-08 23:37 UTC  Tom Lane <[email protected]>
` Re: Poor row estimates from planner, stat `most_common_elems` sometimes missing for a text[] column
  2025-09-09 19:19 UTC  Tom Lane <[email protected]>
` Re: Poor row estimates from planner, stat `most_common_elems` sometimes missing for a text[] column
  2025-09-19 18:26 UTC  Matt Long <[email protected]>
` Re: Poor row estimates from planner, stat `most_common_elems` sometimes missing for a text[] column
  2025-09-19 19:23 UTC  Tom Lane <[email protected]>
  [5+ messages in thread]

Why isn't PG using an index-only scan?
  2025-09-18 06:36 UTC  Jean-Christophe BOGGIO <[email protected]>
` Re: Why isn't PG using an index-only scan?
  2025-09-18 07:20 UTC  David Rowley <[email protected]>
` Re: Why isn't PG using an index-only scan?
  2025-09-18 07:45 UTC  Jean-Christophe BOGGIO <[email protected]>
` Re: Why isn't PG using an index-only scan?
  2025-09-18 07:55 UTC  Andrei Lepikhov <[email protected]>
` Re: Why isn't PG using an index-only scan?
  2025-09-18 11:32 UTC  David Rowley <[email protected]>
` Re: Why isn't PG using an index-only scan?
  2025-09-18 11:35 UTC  David Rowley <[email protected]>
` Re: Why isn't PG using an index-only scan?
  2025-09-18 11:55 UTC  Andrei Lepikhov <[email protected]>
` Re: Why isn't PG using an index-only scan?
  2025-09-19 01:05 UTC  David Rowley <[email protected]>
` Re: Why isn't PG using an index-only scan?
  2025-09-19 07:50 UTC  Andrei Lepikhov <[email protected]>
  [9+ messages in thread]

Planner makes sub-optimal execution plan
  2025-09-01 09:07 UTC  Алексей Борщёв <[email protected]>
` Re: Planner makes sub-optimal execution plan
  2025-09-01 12:41 UTC  Alena Rybakina <[email protected]>
` Re: Planner makes sub-optimal execution plan
  2025-09-02 04:41 UTC  David Rowley <[email protected]>
  [3+ messages in thread]

Re: Any way to get nested loop index joins on CTEs?
  2025-08-29 16:38 UTC  Renan Alves Fonseca <[email protected]>


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