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MDEV-33281 Make BNL() hint enable hashed join buffers

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Since BNL() hint does not specify which whether hashed or non-hashed
join cache should be employed, allow usage of hashed ones
where possible
This commit is contained in:
Oleg Smirnov
2024-11-27 14:34:24 +07:00
parent 67319f3e8d
commit af14196b8a
7 changed files with 69 additions and 67 deletions
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20
sql/opt_hints.h
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@@ -543,21 +543,6 @@ bool hint_key_state(const THD *thd, const TABLE *table,
uint keyno, opt_hints_enum type_arg,
uint optimizer_switch);
/**
Returns table hint value if hint is specified, returns
optimizer switch value if hint is not specified.
@param thd Pointer to THD object
@param tab Pointer to TABLE object
@param type_arg Hint type
@param optimizer_switch Optimizer switch flag
@return table hint value if hint is specified,
otherwise optimizer switch value.
*/
bool hint_table_state(const THD *thd, const TABLE *table,
opt_hints_enum type_arg,
uint optimizer_switch);
/**
Returns table hint value if hint is specified, returns
@@ -571,7 +556,6 @@ bool hint_table_state(const THD *thd, const TABLE *table,
@return table hint value if hint is specified,
otherwise fallback value.
*/
bool hint_table_state_or_fallback(const THD *thd, const TABLE *table,
opt_hints_enum type_arg,
bool fallback_value);
bool hint_table_state(const THD *thd, const TABLE *table,
opt_hints_enum type_arg, bool fallback_value);
#endif /* OPT_HINTS_INCLUDED */