database/sqlite
1
0
Fork 0
mirror of https://github.com/sqlite/sqlite.git synced 2025-12-03 08:01:19 +03:00
Code Activity

Omit the "x IN (y)" to "x==y" optimization of check-in [e68b427afbc82e20]

Browse Source 
(and ticket [e39d032577df6942]) as it causes difficult affinity problems
as demonstrated by ticket [dbaf8a6820be1ece] and the original assertion fault
is no longer a factor due to countless other changes of the previous 5 years.

FossilOrigin-Name: 7f5168a76a400fc2e1e40c6950470b1bfb38a0be54fc5518c17c29fdae7d8f1f
This commit is contained in:
drh
2019-08-27 17:01:07 +00:00
parent 6397a78b2b
commit 790b37a240
9 changed files with 26 additions and 56 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/where.c
View File

@@ -2517,8 +2517,6 @@ static int whereLoopAddBtreeIndex(
}else if( ALWAYS(pExpr->x.pList && pExpr->x.pList->nExpr) ){
/* "x IN (value, value, ...)" */
nIn = sqlite3LogEst(pExpr->x.pList->nExpr);
assert( nIn>0 ); /* RHS always has 2 or more terms... The parser
** changes "x IN (?)" into "x=?". */
}
if( pProbe->hasStat1 ){
LogEst M, logK, safetyMargin;