SEEK-501: restore utf8mb4_unicode_ci collation support - #1349
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wangyunlai-seekdb wants to merge 6 commits into
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SEEK-501: restore utf8mb4_unicode_ci collation support#1349wangyunlai-seekdb wants to merge 6 commits into
wangyunlai-seekdb wants to merge 6 commits into
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Re-enable the UCA collation implementation and register utf8mb4_unicode_ci alongside the existing utf8mb4 collations so common default schemas work again. Related: SEEK-501 Co-authored-by: antmultica-agent <agent@antmultica.alipay.com>
Remove utf16 and other unregistered collation definitions that reference handlers dropped in the charset reduction, fixing SeekDB CI compile errors. Co-authored-by: antmultica-agent <agent@antmultica.alipay.com>
Add utf8mb4_unicode_ci to special_hook and special_stmt result files after restoring the collation in PR oceanbase#1349. Co-authored-by: antmultica-agent <agent@antmultica.alipay.com>
Co-authored-by: antmultica-agent <agent@antmultica.alipay.com>
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Summary
ob_ctype_uca.ccback into the oblib buildutf8mb4_unicode_ci(ID 224) in the charset/collation tables and allow it in server default-collation checksinformation_schema.collationsexpected test outputMotivation
utf8mb4_unicode_ciis a common default collation in many upstream schemas. It was removed during the charset reduction to binary + utf8mb4, which breaks compatibility for those schemas.Test plan
information_schema.collationsmysqltestCOLLATE utf8mb4_unicode_ciand run basic DML/compare queriesRelated: SEEK-501
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