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    1319f661
    WL#10891: optimizer_switch to see invisible indexes · 1319f661
    Martin Hansson authored 
    Bug#25837038: FEATURE REQUEST : USE INVISIBLE INDEXES SPECIFIC QUERY

This patch adds the optimizer_switch use_invisible_indexes,
which lets the session's queries leverage invisible
indexes. The variable is read by
TABLE_SHARE::usable_indexes().
    1319f661
    WL#10891: optimizer_switch to see invisible indexes
    Martin Hansson authored 
    Bug#25837038: FEATURE REQUEST : USE INVISIBLE INDEXES SPECIFIC QUERY

This patch adds the optimizer_switch use_invisible_indexes,
which lets the session's queries leverage invisible
indexes. The variable is read by
TABLE_SHARE::usable_indexes().