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Bug #4981: 4.x and 5.x produce non-optimal execution path,

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3.23 regression test failure

The member SEL_ARG::min_flag was not initialized, 
due to which the condition for no GEOM_FLAG in function 
key_or did not choose "Range checked for each record" as 
the correct access method.
This commit is contained in:
gkodinov@mysql.com
2006-06-02 12:04:03 +03:00
parent de8a1b4f19
commit b519877c90
3 changed files with 29 additions and 1 deletions
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2
sql/opt_range.cc
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@ -64,7 +64,7 @@ public:
uint8 min_flag, uint8 max_flag, uint8 maybe_flag);
SEL_ARG(enum Type type_arg)
:elements(1),use_count(1),left(0),next_key_part(0),color(BLACK),
type(type_arg)
type(type_arg),min_flag(0)
{}
inline bool is_same(SEL_ARG *arg)
{