A Smooth Sea Never Made a Skillful Sailor

This is my series of articles covering short "Today I learned" topics as I work with CockroachDB. Today, we're diagnosing cert issues, looking at client verification of server certificates differences in the cockroach and the psql clients, and checking the node and the CA certificate expiration programmatically. Previous articles Volume 1 Volume 2 Volume 3 Volume 4 Volume 5 Volume 6 Volume 7 Volume 8 Volume 9 Volume 10 Volume 11 Volume 12 Topics Topic 1: Diagnose certificate based authentication Topic 2: Differences between cockroach and psql clients for client verification of server certificates Topic 3: Capture the node and the CA certificate expiration programmatically Topic 4: Check the client certificate expiration Topic 1: Diagnose certificate based authentication I was using CockroachDB Serverless with a product called PolyScale.ai for an article I was writing and I've run into a strange issue with certificate-based authN. ...

This is my series of articles covering short "Today I learned" topics as I work with CockroachDB. Today, we're finding partial indexes, identifying the DB Console URL with SQL, experimenting with a light weight pooler called pgcat , handling client disconnects and improving UX with PGSERVICEFILE Previous articles Volume 1 Volume 2 Volume 3 Volume 4 Volume 5 Volume 6 Volume 7 Volume 8 Volume 9 Volume 10 Volume 11 Topics Topic 1: Identify partial indexes Topic 2: Capture the DB Console URL with SQL Topic 3: Experimenting with pgcat Topic 4: CockroachDB and pgbench client disconnects Topic 5: CockroachDB and PGSERVICEFILE Topic 1: Identify partial indexes Our engineering team has issued a technical advisory #96924 where certain schema changes like dropping columns referenced in partial indexes will fail. A customer asks how to identify databases, tables and the associated partial indexes referencing columns to be dropped. The following meth...