commit a62bb8d4d71f39807fc74f1a06ec409512d01feb
author drh <drh@noemail.net> Mon Nov 23 21:23:45 2009 +0000
committer drh <drh@noemail.net> Mon Nov 23 21:23:45 2009 +0000
tree a1a265503e52c21d5c581d97d592b16b8c5e94b6
parent 1ac399e8eb9a0bb645661b43bd9462dcf7b16406

Make sure registers computed for the VFilter opcode are marked invalid
after the VFilter opcode finishes.  Ticket [16fbf14cb2].

FossilOrigin-Name: 83dc7d38c2695d1b2a7d4866a4df9be9e41d1abe

src/where.c

diff --git a/src/where.c b/src/where.c
index c395040..067ec40 100644
--- a/src/where.c
+++ b/src/where.c
@@ -2876,6 +2876,7 @@
     const struct sqlite3_index_constraint *aConstraint =
                                                 pVtabIdx->aConstraint;
 
+    sqlite3ExprCachePush(pParse);
     iReg = sqlite3GetTempRange(pParse, nConstraint+2);
     for(j=1; j<=nConstraint; j++){
       for(k=0; k<nConstraint; k++){
@@ -2902,6 +2903,7 @@
     pLevel->p1 = iCur;
     pLevel->p2 = sqlite3VdbeCurrentAddr(v);
     sqlite3ReleaseTempRange(pParse, iReg, nConstraint+2);
+    sqlite3ExprCachePop(pParse, 1);
   }else
 #endif /* SQLITE_OMIT_VIRTUALTABLE */