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7f007e4a04
Previously, ltree_prefix_eq_ci() used lowercasing with the default collation; while ltree_crc32_sz() used tolower() directly. These were equivalent only if the default collation provider was libc and the encoding was single-byte. Change both to use casefolding with the default collation. Backpatch through 18, where the casefolding APIs were introduced. The bug exists in earlier versions, but would require some adaptation. A REINDEX is required for ltree indexes where the database default collation is not libc. Reviewed-by: Chao Li <li.evan.chao@gmail.com> Reviewed-by: Peter Eisentraut <peter@eisentraut.org> Backpatch-through: 18 Discussion: https://postgr.es/m/450ceb6260cad30d7afdf155d991a9caafee7c0d.camel@j-davis.com Discussion: https://postgr.es/m/01fc00fd66f641b9693d4f9f1af0ccf44cbdfbdf.camel@j-davis.com |
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| .. | ||
| data | ||
| expected | ||
| sql | ||
| .gitignore | ||
| _ltree_gist.c | ||
| _ltree_op.c | ||
| crc32.c | ||
| crc32.h | ||
| lquery_op.c | ||
| ltree--1.0--1.1.sql | ||
| ltree--1.1--1.2.sql | ||
| ltree--1.1.sql | ||
| ltree--1.2--1.3.sql | ||
| ltree.control | ||
| ltree.h | ||
| ltree_gist.c | ||
| ltree_io.c | ||
| ltree_op.c | ||
| ltreetest.sql | ||
| ltxtquery_io.c | ||
| ltxtquery_op.c | ||
| Makefile | ||
| meson.build | ||