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cleanup: key parts comparison

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Engine specific code moved to engine.
This commit is contained in:
Eugene Kosov
2019-10-14 16:20:16 +03:00
parent 5a42a114fd
commit 7ccc1710a0
5 changed files with 121 additions and 64 deletions
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14
sql/handler.cc
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@ -6953,6 +6953,20 @@ void handler::set_lock_type(enum thr_lock_type lock)
table->reginfo.lock_type= lock;
}
Compare_keys handler::compare_key_parts(const Field &old_field,
const Column_definition &new_field,
const KEY_PART_INFO &old_part,
const KEY_PART_INFO &new_part) const
{
if (!old_field.is_equal(new_field))
return Compare_keys::NotEqual;
if (old_part.length != new_part.length)
return Compare_keys::NotEqual;
return Compare_keys::Equal;
}
#ifdef WITH_WSREP
/**
@details