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benchmarks.md: the zone-map explanation is half wrong, and the correlation argument behind it does not hold

Status: Open.

#391 In commandprompt/pgcolumnar;

· ChronicallyJD opened on Aug 4, 2026

Analyze PostgreSQL 18, 19 and the upcoming 20 branch for features we can support

Status: Open.

#390 In commandprompt/pgcolumnar;

· jdatcmd opened on Aug 4, 2026

Review what it would take to support Apache Iceberg

Status: Open.

#388 In commandprompt/pgcolumnar;

· jdatcmd opened on Aug 4, 2026

CREATE TABLE AS into a columnar table fails when the source plan is parallel, which is the default at scale

Status: Open.

#387 In commandprompt/pgcolumnar;

· ChronicallyJD opened on Aug 4, 2026

CI: the PostgreSQL install step times out at exit 124, five times on 2026-08-04

bugSomething isn't workingSomething isn't working

Status: Open.

#386 In commandprompt/pgcolumnar;

· jdatcmd opened on Aug 4, 2026

Update symbols to pgcolumnar

Status: Open.

#382 In commandprompt/pgcolumnar;

· jdatcmd opened on Aug 4, 2026

The grouped parallel arm loses to the serial node because the Finalize is priced off estimate_num_groups on an expression key

bugSomething isn't workingSomething isn't working

Status: Open.

#369 In commandprompt/pgcolumnar;

· jdatcmd opened on Aug 4, 2026