Nishant Sharma wrote: > Testing sort order for '1' & 'a' using ICU library with collation = > 'ja-u-kr-latn-digit' > > With Method ucol_strcollUTF8(): > SORT ORDER ASC : '1', 'a' > > With Method ucol_nextSortKeyPart() (i.e transform and memcmp): > SORT ORDER ASC : 'a', '1'
Yes, ucol_strcoll() with kr-latn-digit has been flawed for a long time [1] and still is in the development branch of ICU. There's a recent ticket about this [2] with a reproducer similar to yours. [1] https://www.postgresql.org/message-id/flat/153201618542.1404.3611626898935613264%40wrigleys.postgresql.org [2] https://unicode-org.atlassian.net/browse/ICU-23016 Best regards, -- Daniel Vérité https://postgresql.verite.pro/
