Rename SQLITE_AFF_NONE to SQLITE_AFF_BLOB.

FossilOrigin-Name: bce3f04186cd2d69414a5a98b5b77dc8f060554a

manifest

@@ -1,5 +1,5 @@
-C Fix\sa\sfaulty\sassert()\sin\sbtree.c.\s\sUpdate\sthe\sdatabase\sfuzz\stest\sfile\swith\nnew\stest\scases.
+C Rename\sSQLITE_AFF_NONE\sto\sSQLITE_AFF_BLOB.
-D 2015-06-02T14:02:18.322
+D 2015-06-02T15:32:08.579
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 994bab32a3a69e0c35bd148b65cde49879772964
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -185,7 +185,7 @@ F spec.template 86a4a43b99ebb3e75e6b9a735d5fd293a24e90ca
 F sqlite.pc.in 42b7bf0d02e08b9e77734a47798d1a55a9e0716b
 F sqlite3.1 fc7ad8990fc8409983309bb80de8c811a7506786
 F sqlite3.pc.in 48fed132e7cb71ab676105d2a4dc77127d8c1f3a
-F src/alter.c 8f6dc4a6ddc1ebc0ed5cc470c4e57ff0d1605e90
+F src/alter.c 48e14b8aea28dc58baafe3cfcb8889c086b7744a
 F src/analyze.c d23790787f80ebed58df7774744b4cf96401498b
 F src/attach.c c38ac5a520a231d5d0308fd7f2ad95191c867bae
 F src/auth.c b56c78ebe40a2110fd361379f7e8162d23f92240
@@ -195,14 +195,14 @@ F src/btmutex.c 45a968cc85afed9b5e6cf55bf1f42f8d18107f79
 F src/btree.c c73a170115df068764126a85288cdec092ec180c
 F src/btree.h 969adc948e89e449220ff0ff724c94bb2a52e9f1
 F src/btreeInt.h 973a22a6fd61350b454ad614832b1f0a5e25a1e4
-F src/build.c 85a169a0a22f8b80caf513eaf2944d39b979f571
+F src/build.c 73da2b9e9311abc4fcb4e36f76c7800c2d2504a4
 F src/callback.c 7b44ce59674338ad48b0e84e7b72f935ea4f68b0
 F src/complete.c a5cf5b4b56390cfb7b8636e8f7ddef90258dd575
 F src/ctime.c 5a0b735dc95604766f5dac73973658eef782ee8b
 F src/date.c e4d50b3283696836ec1036b695ead9a19e37a5ac
 F src/dbstat.c f402e77e25089c6003d0c60b3233b9b3947d599a
 F src/delete.c 37964e6c1d73ff49cbea9ff690c9605fb15f600e
-F src/expr.c 5de0af7c63a3722d4eb5335f81841f386daa4c20
+F src/expr.c 52f5c1c2c16bf47234dc276d9f72b5ea85ae14af
 F src/fault.c 160a0c015b6c2629d3899ed2daf63d75754a32bb
 F src/fkey.c c9b63a217d86582c22121699a47f22f524608869
 F src/func.c 5b8b8e77a0fb644eaf8947d413804622e32692b6
@@ -210,7 +210,7 @@ F src/global.c 4f77cadbc5427d00139ba43d0f3979804cbb700e
 F src/hash.c 4263fbc955f26c2e8cdc0cf214bc42435aa4e4f5
 F src/hash.h c8f3c31722cf3277d03713909761e152a5b81094
 F src/hwtime.h d32741c8f4df852c7d959236615444e2b1063b08
-F src/insert.c 35b7816918406ec49fbcc6c7fa7ab622597f662e
+F src/insert.c d6e1623a97ce33e9af2f1a0c1f0085a2f63327ef
 F src/journal.c b4124532212b6952f42eb2c12fa3c25701d8ba8d
 F src/legacy.c ba1863ea58c4c840335a84ec276fc2b25e22bc4e
 F src/lempar.c 7274c97d24bb46631e504332ccd3bd1b37841770
@@ -250,12 +250,12 @@ F src/printf.c 13ce37e5574f9b0682fa86dbcf9faf76b9d82a15
 F src/random.c ba2679f80ec82c4190062d756f22d0c358180696
 F src/resolve.c 84c571794e3ee5806274d95158a4c0177c6c4708
 F src/rowset.c eccf6af6d620aaa4579bd3b72c1b6395d9e9fa1e
-F src/select.c 5978cc521cb8fc1aa6a0089e35edaf531accb52a
+F src/select.c 7bb5c6334128877a30d4644fb948098a3ec41bbc
 F src/shell.c 07dda7cd692911d2f22269953418d049f2e2c0ee
 F src/sqlite.h.in d165beeceb6b40af60f352a4d4e37e02d9af7df0
 F src/sqlite3.rc 992c9f5fb8285ae285d6be28240a7e8d3a7f2bad
 F src/sqlite3ext.h 2ebeb634e751a61a6f0eebfa0f4669f46a42f6cd
-F src/sqliteInt.h bc8496de6a514ac66a5a938ee0e4f0d17d150c77
+F src/sqliteInt.h bcf51f6ec3ad67dbdf1acf78fcb94884af93c183
 F src/sqliteLimit.h 216557999cb45f2e3578ed53ebefe228d779cb46
 F src/status.c f266ad8a2892d659b74f0f50cb6a88b6e7c12179
 F src/table.c 51b46b2a62d1b3a959633d593b89bab5e2c9155e
@@ -312,13 +312,13 @@ F src/update.c 487747b328b7216bb7f6af0695d6937d5c9e605f
 F src/utf.c fc6b889ba0779b7722634cdeaa25f1930d93820c
 F src/util.c a6431c92803b975b7322724a7b433e538d243539
 F src/vacuum.c 2ddd5cad2a7b9cef7f9e431b8c7771634c6b1701
-F src/vdbe.c 6aee8a041742413ab3113e6682bc7ad1628a2bbe
+F src/vdbe.c 0a6a1df5c31415a0e974e74e7bd412616889453d
 F src/vdbe.h 7e538ecf47dccb307ea2d087c3ddc2dd8d70e79d
 F src/vdbeInt.h f0ccddac48583d5f762dc554a9f79e85ea8807e0
 F src/vdbeapi.c 6a0d7757987018ff6b1b81bc5293219cd26bb299
 F src/vdbeaux.c 46f9bc4b32866082eb87a36b461e487a0bbdbe8e
 F src/vdbeblob.c 4f2e8e075d238392df98c5e03a64342465b03f90
-F src/vdbemem.c 21f9169289a804308f6cdde55e9417fb8336997f
+F src/vdbemem.c 67b302dc6df64b4d6785881c5d22bd4f9b17739d
 F src/vdbesort.c f5009e7a35e3065635d8918b9a31f498a499976b
 F src/vdbetrace.c 8befe829faff6d9e6f6e4dee5a7d3f85cc85f1a0
 F src/vtab.c c535e80259ebe616467181a83a4263555b97c694
@@ -326,7 +326,7 @@ F src/vxworks.h c18586c8edc1bddbc15c004fa16aeb1e1342b4fb
 F src/wal.c ce2cb2d06faab54d1bce3e739bec79e063dd9113
 F src/wal.h df01efe09c5cb8c8e391ff1715cca294f89668a4
 F src/walker.c c253b95b4ee44b21c406e2a1052636c31ea27804
-F src/where.c f6f41c2f8b9903854992170ea5178898f9cb6c9c
+F src/where.c dcdfee81d35ae9261a4c5bda6289ed5fa6d7e1ae
 F src/whereInt.h a6f5a762bc1b4b1c76e1cea79976b437ac35a435
 F test/8_3_names.test ebbb5cd36741350040fd28b432ceadf495be25b2
 F test/aggerror.test a867e273ef9e3d7919f03ef4f0e8c0d2767944f2
@@ -1281,7 +1281,10 @@ F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P f925389eaf5bf8962a28fcaa652b75caa606efba
+P 4e621af1345a001360938de76e3b0a14deb5e991
-R ae4a37b7f156067ca4ef803074aa5dc0
+R ee13a8dd8e0014c6c36d8309e414bd72
+T *branch * blob-affinity-rename
+T *sym-blob-affinity-rename *
+T -sym-trunk *
 U drh
-Z d6aea5d5b820e4f6ddc306cbfe7d28b3
+Z 3dc5f9f8176f1194f0510f7321cda212

manifest.uuid

@@ -1 +1 @@
-4e621af1345a001360938de76e3b0a14deb5e991
+bce3f04186cd2d69414a5a98b5b77dc8f060554a

src/alter.c

@@ -692,7 +692,7 @@ void sqlite3AlterFinishAddColumn(Parse *pParse, Token *pColDef){
   if( pDflt ){
     sqlite3_value *pVal = 0;
     int rc;
-    rc = sqlite3ValueFromExpr(db, pDflt, SQLITE_UTF8, SQLITE_AFF_NONE, &pVal);
+    rc = sqlite3ValueFromExpr(db, pDflt, SQLITE_UTF8, SQLITE_AFF_BLOB, &pVal);
     assert( rc==SQLITE_OK || rc==SQLITE_NOMEM );
     if( rc!=SQLITE_OK ){
       db->mallocFailed = 1;

src/build.c

@@ -1092,10 +1092,10 @@ void sqlite3AddColumn(Parse *pParse, Token *pName){
   pCol->zName = z;
  
   /* If there is no type specified, columns have the default affinity
-  ** 'NONE'. If there is a type specified, then sqlite3AddColumnType() will
+  ** 'BLOB'. If there is a type specified, then sqlite3AddColumnType() will
   ** be called next to set pCol->affinity correctly.
   */
-  pCol->affinity = SQLITE_AFF_NONE;
+  pCol->affinity = SQLITE_AFF_BLOB;
   pCol->szEst = 1;
   p->nCol++;
 }
@@ -1130,7 +1130,7 @@ void sqlite3AddNotNull(Parse *pParse, int onError){
 ** 'CHAR'        | SQLITE_AFF_TEXT
 ** 'CLOB'        | SQLITE_AFF_TEXT
 ** 'TEXT'        | SQLITE_AFF_TEXT
-** 'BLOB'        | SQLITE_AFF_NONE
+** 'BLOB'        | SQLITE_AFF_BLOB
 ** 'REAL'        | SQLITE_AFF_REAL
 ** 'FLOA'        | SQLITE_AFF_REAL
 ** 'DOUB'        | SQLITE_AFF_REAL
@@ -1156,7 +1156,7 @@ char sqlite3AffinityType(const char *zIn, u8 *pszEst){
       aff = SQLITE_AFF_TEXT;
     }else if( h==(('b'<<24)+('l'<<16)+('o'<<8)+'b')          /* BLOB */
         && (aff==SQLITE_AFF_NUMERIC || aff==SQLITE_AFF_REAL) ){
-      aff = SQLITE_AFF_NONE;
+      aff = SQLITE_AFF_BLOB;
       if( zIn[0]=='(' ) zChar = zIn;
 #ifndef SQLITE_OMIT_FLOATING_POINT
     }else if( h==(('r'<<24)+('e'<<16)+('a'<<8)+'l')          /* REAL */
@@ -1548,7 +1548,7 @@ static char *createTableStmt(sqlite3 *db, Table *p){
   zStmt[k++] = '(';
   for(pCol=p->aCol, i=0; i<p->nCol; i++, pCol++){
     static const char * const azType[] = {
-        /* SQLITE_AFF_NONE    */ "",
+        /* SQLITE_AFF_BLOB    */ "",
         /* SQLITE_AFF_TEXT    */ " TEXT",
         /* SQLITE_AFF_NUMERIC */ " NUM",
         /* SQLITE_AFF_INTEGER */ " INT",
@@ -1561,17 +1561,17 @@ static char *createTableStmt(sqlite3 *db, Table *p){
     k += sqlite3Strlen30(&zStmt[k]);
     zSep = zSep2;
     identPut(zStmt, &k, pCol->zName);
-    assert( pCol->affinity-SQLITE_AFF_NONE >= 0 );
+    assert( pCol->affinity-SQLITE_AFF_BLOB >= 0 );
-    assert( pCol->affinity-SQLITE_AFF_NONE < ArraySize(azType) );
+    assert( pCol->affinity-SQLITE_AFF_BLOB < ArraySize(azType) );
-    testcase( pCol->affinity==SQLITE_AFF_NONE );
+    testcase( pCol->affinity==SQLITE_AFF_BLOB );
     testcase( pCol->affinity==SQLITE_AFF_TEXT );
     testcase( pCol->affinity==SQLITE_AFF_NUMERIC );
     testcase( pCol->affinity==SQLITE_AFF_INTEGER );
     testcase( pCol->affinity==SQLITE_AFF_REAL );
     
-    zType = azType[pCol->affinity - SQLITE_AFF_NONE];
+    zType = azType[pCol->affinity - SQLITE_AFF_BLOB];
     len = sqlite3Strlen30(zType);
-    assert( pCol->affinity==SQLITE_AFF_NONE 
+    assert( pCol->affinity==SQLITE_AFF_BLOB 
             || pCol->affinity==sqlite3AffinityType(zType, 0) );
     memcpy(&zStmt[k], zType, len);
     k += len;

src/expr.c

@@ -191,13 +191,13 @@ char sqlite3CompareAffinity(Expr *pExpr, char aff2){
     if( sqlite3IsNumericAffinity(aff1) || sqlite3IsNumericAffinity(aff2) ){
       return SQLITE_AFF_NUMERIC;
     }else{
-      return SQLITE_AFF_NONE;
+      return SQLITE_AFF_BLOB;
     }
   }else if( !aff1 && !aff2 ){
     /* Neither side of the comparison is a column.  Compare the
     ** results directly.
     */
-    return SQLITE_AFF_NONE;
+    return SQLITE_AFF_BLOB;
   }else{
     /* One side is a column, the other is not. Use the columns affinity. */
     assert( aff1==0 || aff2==0 );
@@ -221,7 +221,7 @@ static char comparisonAffinity(Expr *pExpr){
   }else if( ExprHasProperty(pExpr, EP_xIsSelect) ){
     aff = sqlite3CompareAffinity(pExpr->x.pSelect->pEList->a[0].pExpr, aff);
   }else if( !aff ){
-    aff = SQLITE_AFF_NONE;
+    aff = SQLITE_AFF_BLOB;
   }
   return aff;
 }
@@ -235,7 +235,7 @@ static char comparisonAffinity(Expr *pExpr){
 int sqlite3IndexAffinityOk(Expr *pExpr, char idx_affinity){
   char aff = comparisonAffinity(pExpr);
   switch( aff ){
-    case SQLITE_AFF_NONE:
+    case SQLITE_AFF_BLOB:
       return 1;
     case SQLITE_AFF_TEXT:
       return idx_affinity==SQLITE_AFF_TEXT;
@@ -1482,7 +1482,7 @@ int sqlite3ExprCanBeNull(const Expr *p){
 */
 int sqlite3ExprNeedsNoAffinityChange(const Expr *p, char aff){
   u8 op;
-  if( aff==SQLITE_AFF_NONE ) return 1;
+  if( aff==SQLITE_AFF_BLOB ) return 1;
   while( p->op==TK_UPLUS || p->op==TK_UMINUS ){ p = p->pLeft; }
   op = p->op;
   if( op==TK_REGISTER ) op = p->op2;
@@ -1933,7 +1933,7 @@ int sqlite3CodeSubselect(
         int r1, r2, r3;
 
         if( !affinity ){
-          affinity = SQLITE_AFF_NONE;
+          affinity = SQLITE_AFF_BLOB;
         }
         if( pKeyInfo ){
           assert( sqlite3KeyInfoIsWriteable(pKeyInfo) );

src/insert.c

@@ -56,7 +56,7 @@ void sqlite3OpenTable(
 **
 **  Character      Column affinity
 **  ------------------------------
-**  'A'            NONE
+**  'A'            BLOB
 **  'B'            TEXT
 **  'C'            NUMERIC
 **  'D'            INTEGER
@@ -99,9 +99,9 @@ const char *sqlite3IndexAffinityStr(Vdbe *v, Index *pIdx){
 
 /*
 ** Compute the affinity string for table pTab, if it has not already been
-** computed.  As an optimization, omit trailing SQLITE_AFF_NONE affinities.
+** computed.  As an optimization, omit trailing SQLITE_AFF_BLOB affinities.
 **
-** If the affinity exists (if it is no entirely SQLITE_AFF_NONE values) and
+** If the affinity exists (if it is no entirely SQLITE_AFF_BLOB values) and
 ** if iReg>0 then code an OP_Affinity opcode that will set the affinities
 ** for register iReg and following.  Or if affinities exists and iReg==0,
 ** then just set the P4 operand of the previous opcode (which should  be
@@ -111,7 +111,7 @@ const char *sqlite3IndexAffinityStr(Vdbe *v, Index *pIdx){
 **
 **  Character      Column affinity
 **  ------------------------------
-**  'A'            NONE
+**  'A'            BLOB
 **  'B'            TEXT
 **  'C'            NUMERIC
 **  'D'            INTEGER
@@ -133,7 +133,7 @@ void sqlite3TableAffinity(Vdbe *v, Table *pTab, int iReg){
     }
     do{
       zColAff[i--] = 0;
-    }while( i>=0 && zColAff[i]==SQLITE_AFF_NONE );
+    }while( i>=0 && zColAff[i]==SQLITE_AFF_BLOB );
     pTab->zColAff = zColAff;
   }
   i = sqlite3Strlen30(zColAff);

src/select.c

@@ -1709,7 +1709,7 @@ static void selectAddColumnTypeAndCollation(
     }
     szAll += pCol->szEst;
     pCol->affinity = sqlite3ExprAffinity(p);
-    if( pCol->affinity==0 ) pCol->affinity = SQLITE_AFF_NONE;
+    if( pCol->affinity==0 ) pCol->affinity = SQLITE_AFF_BLOB;
     pColl = sqlite3ExprCollSeq(pParse, p);
     if( pColl && pCol->zColl==0 ){
       pCol->zColl = sqlite3DbStrDup(db, pColl->zName);

src/sqliteInt.h

@@ -1501,9 +1501,9 @@ struct CollSeq {
 ** used as the P4 operand, they will be more readable.
 **
 ** Note also that the numeric types are grouped together so that testing
-** for a numeric type is a single comparison.  And the NONE type is first.
+** for a numeric type is a single comparison.  And the BLOB type is first.
 */
-#define SQLITE_AFF_NONE     'A'
+#define SQLITE_AFF_BLOB     'A'
 #define SQLITE_AFF_TEXT     'B'
 #define SQLITE_AFF_NUMERIC  'C'
 #define SQLITE_AFF_INTEGER  'D'

src/vdbe.c

@@ -270,7 +270,7 @@ static void applyNumericAffinity(Mem *pRec, int bTryForInt){
 ** SQLITE_AFF_TEXT:
 **    Convert pRec to a text representation.
 **
-** SQLITE_AFF_NONE:
+** SQLITE_AFF_BLOB:
 **    No-op.  pRec is unchanged.
 */
 static void applyAffinity(
@@ -1780,9 +1780,9 @@ case OP_RealAffinity: {                  /* in1 */
 ** A NULL value is not changed by this routine.  It remains NULL.
 */
 case OP_Cast: {                  /* in1 */
-  assert( pOp->p2>=SQLITE_AFF_NONE && pOp->p2<=SQLITE_AFF_REAL );
+  assert( pOp->p2>=SQLITE_AFF_BLOB && pOp->p2<=SQLITE_AFF_REAL );
   testcase( pOp->p2==SQLITE_AFF_TEXT );
-  testcase( pOp->p2==SQLITE_AFF_NONE );
+  testcase( pOp->p2==SQLITE_AFF_BLOB );
   testcase( pOp->p2==SQLITE_AFF_NUMERIC );
   testcase( pOp->p2==SQLITE_AFF_INTEGER );
   testcase( pOp->p2==SQLITE_AFF_REAL );
@@ -2593,7 +2593,7 @@ case OP_Affinity: {
 ** The mapping from character to affinity is given by the SQLITE_AFF_
 ** macros defined in sqliteInt.h.
 **
-** If P4 is NULL then all index fields have the affinity NONE.
+** If P4 is NULL then all index fields have the affinity BLOB.
 */
 case OP_MakeRecord: {
   u8 *zNewRecord;        /* A buffer to hold the data for the new record */

src/vdbemem.c

@@ -588,7 +588,7 @@ int sqlite3VdbeMemNumerify(Mem *pMem){
 void sqlite3VdbeMemCast(Mem *pMem, u8 aff, u8 encoding){
   if( pMem->flags & MEM_Null ) return;
   switch( aff ){
-    case SQLITE_AFF_NONE: {   /* Really a cast to BLOB */
+    case SQLITE_AFF_BLOB: {   /* Really a cast to BLOB */
       if( (pMem->flags & MEM_Blob)==0 ){
         sqlite3ValueApplyAffinity(pMem, SQLITE_AFF_TEXT, encoding);
         assert( pMem->flags & MEM_Str || pMem->db->mallocFailed );
@@ -1311,7 +1311,7 @@ static int valueFromExpr(
       if( zVal==0 ) goto no_mem;
       sqlite3ValueSetStr(pVal, -1, zVal, SQLITE_UTF8, SQLITE_DYNAMIC);
     }
-    if( (op==TK_INTEGER || op==TK_FLOAT ) && affinity==SQLITE_AFF_NONE ){
+    if( (op==TK_INTEGER || op==TK_FLOAT ) && affinity==SQLITE_AFF_BLOB ){
       sqlite3ValueApplyAffinity(pVal, SQLITE_AFF_NUMERIC, SQLITE_UTF8);
     }else{
       sqlite3ValueApplyAffinity(pVal, affinity, SQLITE_UTF8);

src/where.c

@@ -680,7 +680,7 @@ static int isLikeOrGlob(
   if( op==TK_VARIABLE ){
     Vdbe *pReprepare = pParse->pReprepare;
     int iCol = pRight->iColumn;
-    pVal = sqlite3VdbeGetBoundValue(pReprepare, iCol, SQLITE_AFF_NONE);
+    pVal = sqlite3VdbeGetBoundValue(pReprepare, iCol, SQLITE_AFF_BLOB);
     if( pVal && sqlite3_value_type(pVal)==SQLITE_TEXT ){
       z = (char *)sqlite3_value_text(pVal);
     }
@@ -2824,9 +2824,9 @@ static void disableTerm(WhereLevel *pLevel, WhereTerm *pTerm){
 ** Code an OP_Affinity opcode to apply the column affinity string zAff
 ** to the n registers starting at base. 
 **
-** As an optimization, SQLITE_AFF_NONE entries (which are no-ops) at the
+** As an optimization, SQLITE_AFF_BLOB entries (which are no-ops) at the
 ** beginning and end of zAff are ignored.  If all entries in zAff are
-** SQLITE_AFF_NONE, then no code gets generated.
+** SQLITE_AFF_BLOB, then no code gets generated.
 **
 ** This routine makes its own copy of zAff so that the caller is free
 ** to modify zAff after this routine returns.
@@ -2839,15 +2839,15 @@ static void codeApplyAffinity(Parse *pParse, int base, int n, char *zAff){
   }
   assert( v!=0 );
 
-  /* Adjust base and n to skip over SQLITE_AFF_NONE entries at the beginning
+  /* Adjust base and n to skip over SQLITE_AFF_BLOB entries at the beginning
   ** and end of the affinity string.
   */
-  while( n>0 && zAff[0]==SQLITE_AFF_NONE ){
+  while( n>0 && zAff[0]==SQLITE_AFF_BLOB ){
     n--;
     base++;
     zAff++;
   }
-  while( n>1 && zAff[n-1]==SQLITE_AFF_NONE ){
+  while( n>1 && zAff[n-1]==SQLITE_AFF_BLOB ){
     n--;
   }
 
@@ -2977,17 +2977,17 @@ static int codeEqualityTerm(
 ** Before returning, *pzAff is set to point to a buffer containing a
 ** copy of the column affinity string of the index allocated using
 ** sqlite3DbMalloc(). Except, entries in the copy of the string associated
-** with equality constraints that use NONE affinity are set to
+** with equality constraints that use BLOB or NONE affinity are set to
-** SQLITE_AFF_NONE. This is to deal with SQL such as the following:
+** SQLITE_AFF_BLOB. This is to deal with SQL such as the following:
 **
 **   CREATE TABLE t1(a TEXT PRIMARY KEY, b);
 **   SELECT ... FROM t1 AS t2, t1 WHERE t1.a = t2.b;
 **
 ** In the example above, the index on t1(a) has TEXT affinity. But since
-** the right hand side of the equality constraint (t2.b) has NONE affinity,
+** the right hand side of the equality constraint (t2.b) has BLOB/NONE affinity,
 ** no conversion should be attempted before using a t2.b value as part of
 ** a key to search the index. Hence the first byte in the returned affinity
-** string in this example would be set to SQLITE_AFF_NONE.
+** string in this example would be set to SQLITE_AFF_BLOB.
 */
 static int codeAllEqualityTerms(
   Parse *pParse,        /* Parsing context */
@@ -3074,11 +3074,11 @@ static int codeAllEqualityTerms(
         VdbeCoverage(v);
       }
       if( zAff ){
-        if( sqlite3CompareAffinity(pRight, zAff[j])==SQLITE_AFF_NONE ){
+        if( sqlite3CompareAffinity(pRight, zAff[j])==SQLITE_AFF_BLOB ){
-          zAff[j] = SQLITE_AFF_NONE;
+          zAff[j] = SQLITE_AFF_BLOB;
         }
         if( sqlite3ExprNeedsNoAffinityChange(pRight, zAff[j]) ){
-          zAff[j] = SQLITE_AFF_NONE;
+          zAff[j] = SQLITE_AFF_BLOB;
         }
       }
     }
@@ -3725,14 +3725,14 @@ static Bitmask codeOneLoopStart(
         VdbeCoverage(v);
       }
       if( zStartAff ){
-        if( sqlite3CompareAffinity(pRight, zStartAff[nEq])==SQLITE_AFF_NONE){
+        if( sqlite3CompareAffinity(pRight, zStartAff[nEq])==SQLITE_AFF_BLOB){
           /* Since the comparison is to be performed with no conversions
           ** applied to the operands, set the affinity to apply to pRight to 
-          ** SQLITE_AFF_NONE.  */
+          ** SQLITE_AFF_BLOB.  */
-          zStartAff[nEq] = SQLITE_AFF_NONE;
+          zStartAff[nEq] = SQLITE_AFF_BLOB;
         }
         if( sqlite3ExprNeedsNoAffinityChange(pRight, zStartAff[nEq]) ){
-          zStartAff[nEq] = SQLITE_AFF_NONE;
+          zStartAff[nEq] = SQLITE_AFF_BLOB;
         }
       }  
       nConstraint++;
@@ -3770,7 +3770,7 @@ static Bitmask codeOneLoopStart(
         sqlite3VdbeAddOp2(v, OP_IsNull, regBase+nEq, addrNxt);
         VdbeCoverage(v);
       }
-      if( sqlite3CompareAffinity(pRight, cEndAff)!=SQLITE_AFF_NONE
+      if( sqlite3CompareAffinity(pRight, cEndAff)!=SQLITE_AFF_BLOB
        && !sqlite3ExprNeedsNoAffinityChange(pRight, cEndAff)
       ){
         codeApplyAffinity(pParse, regBase+nEq, 1, &cEndAff);