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authorunknown <timour@askmonty.org>2010-10-27 16:28:19 +0300
committerunknown <timour@askmonty.org>2010-10-27 16:28:19 +0300
commit3bdede3c67032345ca5f71dd53ca308377dc2398 (patch)
tree79783890f39bab36e4fbb941cd4472fa29213cb3 /storage/innobase/include/buf0lru.h
parent3b11e4f8347884c716bdf0b11aba34e8aee1a0c4 (diff)
downloadmariadb-git-3bdede3c67032345ca5f71dd53ca308377dc2398.tar.gz
Fixed LP bug #613009
The set of Ordered keys of a rowid merge engine is dense. Thus when we decide not to create a key for a column that has only NULLs, this column shouldn't be counted. Notice that the caller has already precomputed the correct total number of keys that should be created.
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