diff options
Diffstat (limited to 'src/resolve.c')
| -rw-r--r-- | src/resolve.c | 33 |
1 files changed, 31 insertions, 2 deletions
diff --git a/src/resolve.c b/src/resolve.c index 24e4778..fdf260d 100644 --- a/src/resolve.c +++ b/src/resolve.c @@ -468,8 +468,37 @@ static int lookupName( } } if( 0==cnt && VisibleRowid(pTab) ){ + /* pTab is a potential ROWID match. Keep track of it and match + ** the ROWID later if that seems appropriate. (Search for "cntTab" + ** to find related code.) Only allow a ROWID match if there is + ** a single ROWID match candidate. + */ +#ifdef SQLITE_ALLOW_ROWID_IN_VIEW + /* In SQLITE_ALLOW_ROWID_IN_VIEW mode, allow a ROWID match + ** if there is a single VIEW candidate or if there is a single + ** non-VIEW candidate plus multiple VIEW candidates. In other + ** words non-VIEW candidate terms take precedence over VIEWs. + */ + if( cntTab==0 + || (cntTab==1 + && ALWAYS(pMatch!=0) + && ALWAYS(pMatch->pTab!=0) + && (pMatch->pTab->tabFlags & TF_Ephemeral)!=0 + && (pTab->tabFlags & TF_Ephemeral)==0) + ){ + cntTab = 1; + pMatch = pItem; + }else{ + cntTab++; + } +#else + /* The (much more common) non-SQLITE_ALLOW_ROWID_IN_VIEW case is + ** simpler since we require exactly one candidate, which will + ** always be a non-VIEW + */ cntTab++; pMatch = pItem; +#endif } } if( pMatch ){ @@ -595,13 +624,13 @@ static int lookupName( ** Perhaps the name is a reference to the ROWID */ if( cnt==0 - && cntTab==1 + && cntTab>=1 && pMatch && (pNC->ncFlags & (NC_IdxExpr|NC_GenCol))==0 && sqlite3IsRowid(zCol) && ALWAYS(VisibleRowid(pMatch->pTab) || pMatch->fg.isNestedFrom) ){ - cnt = 1; + cnt = cntTab; if( pMatch->fg.isNestedFrom==0 ) pExpr->iColumn = -1; pExpr->affExpr = SQLITE_AFF_INTEGER; } |