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Marko Makela authored
indexed BLOBs for ROW_FORMAT=DYNAMIC and ROW_FORMAT_COMPRESSED tables (Bug #52746). In these tables, the locally stored prefix of a BLOB can be as small as 20 bytes (BTR_EXTERN_FIELD_REF_SIZE). ROW_FORMAT=REDUNDANT and ROW_FORMAT=COMPACT store a prefix of 768 bytes (REC_MAX_INDEX_COL_LEN). trx_undo_rec_get_col_val(): Relax the ut_ad() assertion and add a reference to dtuple_convert_big_rec(). trx_undo_rec_get_partial_row(): Relax the ut_a() assertion that prompted Bug #52746.
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