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make sure all sqlite selects have indexes

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Bearing in mind that these indexes are really uniqueness constraints
that just happen to also make sqlite generate indexes.

In Database.ContentIndentifier, the ContentIndentifiersKeyRemoteCidIndex
is fine as a uniqueness constraint because it contains all rows from the
table. The ContentIndentifiersCidRemoteIndex is also ok because there
can only be one key for a given (cid, uuid) combination.

In Database.Export, the new ExportTreeFileKeyIndex is the same pair as
the old ExportTreeKeyFileIndex (previously ExportTreeIndex). And
in Database.Keys.SQL, the new InodeCacheKeyIndex is the same pair as the
old KeyInodeCacheIndex.
This commit is contained in:
Joey Hess 2019-10-30 13:40:29 -04:00
parent 3732f27722
commit 9085a2cfec
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5 changed files with 10 additions and 19 deletions
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Database/ContentIdentifier.hs
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@ -53,6 +53,8 @@ ContentIdentifiers
remote UUID
cid ContentIdentifier
key Key
ContentIndentifiersKeyRemoteCidIndex key remote cid
ContentIndentifiersCidRemoteIndex cid remote
-- The last git-annex branch tree sha that was used to update
-- ContentIdentifiers
AnnexBranch