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| author | drh <drh@noemail.net> | 2019-04-05 15:44:55 +0000 |
|---|---|---|
| committer | drh <drh@noemail.net> | 2019-04-05 15:44:55 +0000 |
| commit | 86223e8d65a6dc10ad19b5c8aa535baba86a7e5c (patch) | |
| tree | 89d2cdc35648c44e6f0b5b24f112d11f2698f8b0 /src | |
| parent | d1f9932e4b26007da9fc6ef2b4a8121bcb196011 (diff) | |
| download | sqlite-86223e8d65a6dc10ad19b5c8aa535baba86a7e5c.tar.gz sqlite-86223e8d65a6dc10ad19b5c8aa535baba86a7e5c.zip | |
In the xfer-optimization, do early detection of when the source and destination
index share the same btree, to avoid a long delay prior to reporting the
database corruption.
FossilOrigin-Name: af1e5873d44d31466023ae145bdfc6b4191eb48b62e5752c6e683bcf571980e7
Diffstat (limited to 'src')
| -rw-r--r-- | src/insert.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/insert.c b/src/insert.c index b3535b22a..575e3a783 100644 --- a/src/insert.c +++ b/src/insert.c @@ -2275,6 +2275,9 @@ static int xferOptimization( if( pSrcIdx==0 ){ return 0; /* pDestIdx has no corresponding index in pSrc */ } + if( pSrcIdx->tnum==pDestIdx->tnum && pSrc->pSchema==pDest->pSchema ){ + return 0; /* Corrupt schema - two indexes on the same btree */ + } } #ifndef SQLITE_OMIT_CHECK if( pDest->pCheck && sqlite3ExprListCompare(pSrc->pCheck,pDest->pCheck,-1) ){ |