Re: B-Tree index ignored. Why?
Change this
WHERE 153742088 BETWEEN tStart and tEnd
to
WHERE tStart>=153742088 and tEnd<=153742088
Anyway it cannot use the composite index (tStart,tEnd), a single index will do.
Maybe it can use merge index optimisation in MySQL 5.0, if you have separate index on tStart and tEnd
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7077
March 14, 2007 12:46PM
Re: B-Tree index ignored. Why?
2692
March 14, 2007 07:39PM
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