Index: src/delete.c
==================================================================
--- src/delete.c
+++ src/delete.c
@@ -583,21 +583,32 @@
   int *aRegIdx                    /* Only delete if (aRegIdx && aRegIdx[i]>0) */
 ){
   Vdbe *v = pParse->pVdbe;
   Index *pPk;
   int iPk;
+  int iPkCsr;
   int i;
   int regKey;
   Index *pIdx;
 
   regKey = sqlite4GetTempReg(pParse);
   pPk = sqlite4FindPrimaryKey(pTab, &iPk);
+  iPkCsr = baseCur+iPk;
 
   for(i=0, pIdx=pTab->pIndex; pIdx; pIdx=pIdx->pNext, i++){
-    if( pIdx!=pPk && (aRegIdx==0 || aRegIdx[i]>0) ){
+    if( pIdx->eIndexType==SQLITE4_INDEX_FTS5 ){
+      int iCol;
+      int iReg = pParse->nMem+1;
+      pParse->nMem += (1 + pTab->nCol);
+      for(iCol=0; iCol<pTab->nCol; iCol++){
+        sqlite4VdbeAddOp3(v, OP_Column, iPkCsr, iCol, iReg+iCol);
+      }
+      sqlite4VdbeAddOp2(v, OP_RowKey, iPkCsr, iReg+pTab->nCol);
+      sqlite4Fts5CodeUpdate(pParse, pIdx, iReg+pTab->nCol, iReg, 1);
+    }else if( pIdx!=pPk && (aRegIdx==0 || aRegIdx[i]>0) ){
       int addrNotFound;
-      sqlite4EncodeIndexKey(pParse, pPk, baseCur+iPk, pIdx, baseCur+i,0,regKey);
+      sqlite4EncodeIndexKey(pParse, pPk, baseCur+iPk,pIdx,baseCur+i,0,regKey);
       addrNotFound = sqlite4VdbeAddOp4(v,
           OP_NotFound, baseCur+i, 0, regKey, 0, P4_INT32
       );
       sqlite4VdbeAddOp1(v, OP_Delete, baseCur+i);
       sqlite4VdbeJumpHere(v, addrNotFound);

Index: src/fts5.c
==================================================================
--- src/fts5.c
+++ src/fts5.c
@@ -1092,11 +1092,11 @@
       memcpy(&aKey[nKey], pPK, nPK);
       nKey += nPK;
 
       if( bDel ){
         /* delete key aKey/nKey... */
-        assert( 0 );
+        rc = sqlite4KVStoreReplace(pStore, aKey, nKey, 0, -1);
       }else{
         const KVByteArray *aData = (const KVByteArray *)&pTerm[1];
         aData += pTerm->nToken;
         rc = sqlite4KVStoreReplace(pStore, aKey, nKey, aData, pTerm->nData);
       }
@@ -1133,20 +1133,22 @@
 
 void sqlite4Fts5CodeUpdate(
   Parse *pParse, 
   Index *pIdx, 
   int iRegPk, 
-  int iRegData
+  int iRegData,
+  int bDel
 ){
   Vdbe *v;
   Fts5Info *pInfo;                /* p4 argument for FtsUpdate opcode */
 
   if( 0==(pInfo = fts5InfoCreate(pParse, pIdx)) ) return;
 
   v = sqlite4GetVdbe(pParse);
   sqlite4VdbeAddOp3(v, OP_FtsUpdate, iRegPk, 0, iRegData);
   sqlite4VdbeChangeP4(v, -1, (const char *)pInfo, P4_FTS5INFO);
+  sqlite4VdbeChangeP5(v, (u8)bDel);
 }
 
 void sqlite4Fts5FreeInfo(sqlite4 *db, Fts5Info *p){
   if( db->pnBytesFreed==0 ){
     if( p->p ) p->pTokenizer->xDestroy(p->p);

Index: src/insert.c
==================================================================
--- src/insert.c
+++ src/insert.c
@@ -1420,11 +1420,11 @@
   for(i=0, pIdx=pTab->pIndex; pIdx; i++, pIdx=pIdx->pNext){
     assert( pIdx->eIndexType!=SQLITE4_INDEX_PRIMARYKEY || aRegIdx[i] );
     if( pIdx->eIndexType==SQLITE4_INDEX_FTS5 ){
       int iPK;
       sqlite4FindPrimaryKey(pTab, &iPK);
-      sqlite4Fts5CodeUpdate(pParse, pIdx, aRegIdx[iPK], regContent);
+      sqlite4Fts5CodeUpdate(pParse, pIdx, aRegIdx[iPK], regContent, 0);
     }
     else if( aRegIdx[i] ){
       int regData = 0;
       int flags = 0;
       if( pIdx->eIndexType==SQLITE4_INDEX_PRIMARYKEY ){

Index: src/sqliteInt.h
==================================================================
--- src/sqliteInt.h
+++ src/sqliteInt.h
@@ -3269,9 +3269,9 @@
 void sqlite4Fts5IndexInit(Parse *, Index *, ExprList *);
 void sqlite4Fts5IndexFree(sqlite4 *, Index *);
 
 int sqlite4Fts5Update(sqlite4 *, Fts5Info *, Mem *pPk, Mem *aArg, int, char **);
 void sqlite4Fts5FreeInfo(sqlite4 *db, Fts5Info *);
-void sqlite4Fts5CodeUpdate(Parse *, Index *pIdx, int iRegPk, int iRegData);
+void sqlite4Fts5CodeUpdate(Parse *, Index *pIdx, int iRegPk, int iRegData, int);
 void sqlite4Fts5CodeCksum(Parse *, Index *, int, int, int);
 
 #endif /* _SQLITEINT_H_ */

Index: src/update.c
==================================================================
--- src/update.c
+++ src/update.c
@@ -506,11 +506,11 @@
     j1 = sqlite4VdbeAddOp4(v, OP_NotFound, iCur+iPk, 0, regOldKey, 0, P4_INT32);
     sqlite4GenerateRowIndexDelete(pParse, pTab, 0, iCur, aRegIdx);
   
     /* Delete the old record */
     if( hasFK || bChngPk ){
-      sqlite4VdbeAddOp2(v, OP_Delete, iCur, 0);
+      sqlite4VdbeAddOp2(v, OP_Delete, iCur+iPk, 0);
     }
     sqlite4VdbeJumpHere(v, j1);
 
     if( hasFK ){
       sqlite4FkCheck(pParse, pTab, 0, regNew);

Index: src/where.c
==================================================================
--- src/where.c
+++ src/where.c
@@ -3022,10 +3022,12 @@
     WhereTerm *pTerm;             /* A single term of the WHERE clause */
 #ifdef SQLITE4_ENABLE_STAT3
     WhereTerm *pFirstTerm = 0;    /* First term matching the index */
 #endif
     int nCol = pProbe->nColumn;   /* Total columns in index record */
+
+    if( pProbe->eIndexType==SQLITE4_INDEX_FTS5 ) continue;
 
     /* Unless pProbe is the primary key index, then the encoded PK column 
     ** values are at the end of each record. Set variable nCol to the total
     ** number of columns encoded into each index record, including the PK  
     ** columns.  */

ADDED   test/fts5query1.test
Index: test/fts5query1.test
==================================================================
--- /dev/null
+++ test/fts5query1.test
@@ -0,0 +1,38 @@
+# 2012 December 17
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#*************************************************************************
+#
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix fts5query1
+
+do_execsql_test 1.0 {
+  CREATE TABLE t1(a PRIMARY KEY, b, c);
+  CREATE INDEX i1 ON t1 USING fts5();
+}
+
+foreach {tn stmt} {
+  1 "INSERT INTO t1 VALUES(1, 'a b c', 'd e f')"
+  2 "INSERT INTO t1 VALUES(2, 'b c e', 'A A a')"
+  3 "INSERT INTO t1 VALUES(3, 'd A A', 'e c a')"
+  4 "DELETE FROM t1 WHERE a=1"
+  5 "DELETE FROM t1"
+  6 "INSERT INTO t1 VALUES(1, 'May you do', 'good and not evil')"
+  7 "INSERT INTO t1 VALUES(2, 'May you find', 'forgiveness for yourself')"
+  8 "UPDATE t1 SET b = 'and forgive others' WHERE a = 2"
+  9 "UPDATE t1 SET a = 4 AND c = 'a b c d' WHERE a = 2"
+} {
+  do_execsql_test 1.$tn.1 $stmt
+  do_execsql_test 1.$tn.2 {PRAGMA fts_check(i1)} ok
+}
+
+finish_test