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| author | drh <> | 2024-01-01 17:48:02 +0000 |
|---|---|---|
| committer | drh <> | 2024-01-01 17:48:02 +0000 |
| commit | 4ccf707c6ebd294f1ecf6e9f304bd083fbc3a71d (patch) | |
| tree | 2f10eef71da620ee91e338843e5e6cfbe4e8453e /src/sqliteInt.h | |
| parent | 307f326ba3d448c55abd04e241d46af903667653 (diff) | |
| download | sqlite-4ccf707c6ebd294f1ecf6e9f304bd083fbc3a71d.tar.gz sqlite-4ccf707c6ebd294f1ecf6e9f304bd083fbc3a71d.zip | |
Extra steps taken to avoid using low-quality indexes in a query plan.
This branch accomplishes the same end as the nearby enhanced-stat1 branch,
but with much less change and hence less risk.
FossilOrigin-Name: c030e646262fee43a59b45fdc1630d972f8bf88ac3c142b6bdaf4cbb36695a4f
Diffstat (limited to 'src/sqliteInt.h')
| -rw-r--r-- | src/sqliteInt.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/sqliteInt.h b/src/sqliteInt.h index 75ac749c0..79a36e060 100644 --- a/src/sqliteInt.h +++ b/src/sqliteInt.h @@ -2766,6 +2766,7 @@ struct Index { unsigned isCovering:1; /* True if this is a covering index */ unsigned noSkipScan:1; /* Do not try to use skip-scan if true */ unsigned hasStat1:1; /* aiRowLogEst values come from sqlite_stat1 */ + unsigned bLowQual:1; /* sqlite_stat1 says this is a low-quality index */ unsigned bNoQuery:1; /* Do not use this index to optimize queries */ unsigned bAscKeyBug:1; /* True if the bba7b69f9849b5bf bug applies */ unsigned bHasVCol:1; /* Index references one or more VIRTUAL columns */ |