Peter Geoghegan 5d6728e588 Fix nbtree posting list update desc output. ... We cannot use the generic array_desc approach with per-tuple nbtree posting list update metadata because array_desc can only deal with fixed width elements (e.g., page offset numbers). Using array_desc led to incorrect rmgr descriptions for updates from nbtree DELETE/VACUUM WAL records. To fix, add specialized code to describe the update metadata as array elements in desc output. We now iterate over the update metadata using an approach that matches related REDO routines. Also stop showing the updates offset number array separately in nbtree DELETE/VACUUM desc output. It's redundant information, since the same page offset numbers appear in the description of each individual update element. Also make some small tweaks to the way that we format arrays in all desc routines (not just nbtree desc routines) to make arrays a little less verbose. Oversight in commit 1c453cfd, which enhanced the nbtree rmgr desc routines. Author: Peter Geoghegan <pg@bowt.ie> Discussion: https://postgr.es/m/CAH2-WzkbYuvwYKm-Y-72QEh6SPMQcAo9uONv+mR3bMGcu9E_Cg@mail.gmail.com		2023-04-10 11:15:41 -07:00
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src	Fix nbtree posting list update desc output.	2023-04-10 11:15:41 -07:00
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