"Specifies how MyISAM index statistics collection code should threat NULLs. "
"Possible values of name are \"nulls_unequal\" (default behavior for 4.1/5.0), "
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@@ -6110,7 +6110,7 @@ The minimum value for this variable is 4096.",
"Each thread that does a sequential scan allocates a buffer of this size for each table it scans. If you do many sequential scans, you may want to increase this value.",