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Under interval_ops, some equal values are distinguishable. One such pair is '24:00:00' and '1 day'. With that being so, btequalimage() breaches the documented contract for the "equalimage" btree support function. This can cause incorrect results from index-only scans. Users should REINDEX any btree indexes having interval-type columns. After updating, pg_amcheck will report an error for almost all such indexes. This fix makes interval_ops simply omit the support function, like numeric_ops does. Back-pack to v13, where btequalimage() first appeared. In back branches, for the benefit of old catalog content, btequalimage() code will return false for type "interval". Going forward, back-branch initdb will include the catalog change. Reviewed by Peter Geoghegan. Discussion: https://postgr.es/m/20231011013317.22.nmisch@google.com |
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| expected | ||
| sql | ||
| t | ||
| .gitignore | ||
| amcheck--1.0--1.1.sql | ||
| amcheck--1.0.sql | ||
| amcheck--1.1--1.2.sql | ||
| amcheck--1.2--1.3.sql | ||
| amcheck.control | ||
| Makefile | ||
| meson.build | ||
| verify_heapam.c | ||
| verify_nbtree.c | ||