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Fix a problem triggered by DELETE statements with WHERE clauses that use the

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OR-optimization on some virtual tables.

FossilOrigin-Name: ecf5caa7e9825a8b03d15ee525ec68be78c55926ddfaca27a040a7614caf0e85
This commit is contained in:
dan
2019-01-15 14:31:01 +00:00
parent 9c039d9f2e
commit 58ed374370
4 changed files with 20 additions and 9 deletions
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3
src/where.c
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@@ -4919,9 +4919,10 @@ WhereInfo *sqlite3WhereBegin(
if( (wctrlFlags & WHERE_ONEPASS_DESIRED)!=0 ){
int wsFlags = pWInfo->a[0].pWLoop->wsFlags;
int bOnerow = (wsFlags & WHERE_ONEROW)!=0;
assert( !(wsFlags & WHERE_VIRTUALTABLE) || IsVirtual(pTabList->a[0].pTab) );
if( bOnerow || (
0!=(wctrlFlags & WHERE_ONEPASS_MULTIROW)
&& 0==(wsFlags & WHERE_VIRTUALTABLE)
&& !IsVirtual(pTabList->a[0].pTab)
&& (0==(wsFlags & WHERE_MULTI_OR) || (wctrlFlags & WHERE_DUPLICATES_OK))
)){
pWInfo->eOnePass = bOnerow ? ONEPASS_SINGLE : ONEPASS_MULTI;