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  1. MariaDB Server
  2. MDEV-27788

avoid BLOB fetch in row_sel_sec_rec_is_for_blob() if BLOB's length is less then prefix length

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      As marko noted in https://jira.mariadb.org/browse/MDEV-27746?focusedCommentId=213591&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-213591: "if the BTR_EXTERN_LEN is not at least as long as the column prefix in the secondary index record, a match should be impossible, and we can avoid fetching the BLOB." The "fix versions" can be changed.

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              vlad.lesin Vladislav Lesin
              vlad.lesin Vladislav Lesin
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