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If a query uses an index where one or more of the columns of the index is
authordrh <>
Wed, 19 Oct 2022 10:56:05 +0000 (10:56 +0000)
committerdrh <>
Wed, 19 Oct 2022 10:56:05 +0000 (10:56 +0000)
commit805055f734b1dde892dfeb4c66888b448fb25cff
treeaadc294bf0517109408404d39273ab30ac76ee2b
parenta817b30f0b93b3dc6ffaa5ab863ef866942de8ad
parent72ab36619233cdf216716f5f17541dfc78d60abd
If a query uses an index where one or more of the columns of the index is
an expression or a virtual column, and if the corresponding expression is
used elsewhere in the query, then strive to read the value of the expression
out of the index, rather than recomputing it.  This is the
"Indexed Expression Optimizations".

FossilOrigin-Name: 2435112867fbd7b6ebb7f2c2b9da57cdf1e23fab6c2869870b66133a9f9faedc
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