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Improved code comment and removed nop test

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This commit is contained in:
Monty
2021-03-15 14:53:55 +02:00
committed by Sergei Golubchik
parent 08bc062e3c
commit db9398ba5e
4 changed files with 16 additions and 7 deletions
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7
sql/sql_join_cache.h
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@ -206,11 +206,14 @@ protected:
/*
This flag indicates that records written into the join buffer contain
a match flag field. The flag must be set by the init method.
a match flag field.
This is set to true for the first inner table of an outer join or a
semi-join.
The flag must be set by the init method.
Currently any implementation of the virtial init method calls
the function JOIN_CACHE::calc_record_fields() to set this flag.
*/
bool with_match_flag;
bool with_match_flag;
/*
This flag indicates that any record is prepended with the length of the
record which allows us to skip the record or part of it without reading.