Index Access Method Changes
Compare the documented capability states and storage-option inventories of PostgreSQL releases.
Reading PostgreSQL 20devel. Pre-release snapshot; interfaces and behavior may change.
Version comparison
No differences in documented capability states or storage-option inventory between these samples.
This comparison covers capability states and the names of documented storage options. It does not compare every algorithm, performance characteristic, option definition or release-note change.
Capabilities in PostgreSQL 20devel
| Capability | B-tree | Hash | GiST | SP-GiST | GIN | BRIN |
|---|---|---|---|---|---|---|
| Sorted output | Yes | No | No | No | No | No |
| Unique keys | Yes | No | No | No | No | No |
| Multiple key columns | Yes | No | Yes | No | Yes | Yes |
| INCLUDE columns | Yes | No | Yes | Yes | No | No |
| Index-only scans | Yes | No | Conditional | Conditional | No | No |
| Distance ordering | Not established | Not established | Conditional | Conditional | Not established | Not established |
| Parallel index scan | Yes | No | No | No | No | No |
| Parallel index build | Yes | No | No | No | Yes | Yes |