Remove an unused field from the MemPage object.

FossilOrigin-Name: 5fc0a4c1f353c4c06fcbc4bce8bbe1897ef49eee

manifest

@@ -1,5 +1,5 @@
-C Make\ssure\sall\sbytes\sof\sthe\sWAL\sfile\sare\sinitialized\seven\sif\sthe\schecksums\sare\nnot\sbeing\scomputed\suntil\scommit\sdue\sto\sWAL\soverwrite.
-D 2016-01-12T02:28:19.320
+C Remove\san\sunused\sfield\sfrom\sthe\sMemPage\sobject.
+D 2016-01-12T04:08:54.028
 F Makefile.in 7c8cc4c2f0179efc6fa9492141d1fb65f4807054
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc e45d8b9b56dfa3f2cd860b2c28bd9d304513b042
@@ -276,9 +276,9 @@ F src/auth.c b56c78ebe40a2110fd361379f7e8162d23f92240
 F src/backup.c 2869a76c03eb393ee795416e2387005553df72bc
 F src/bitvec.c 1a78d450a17c5016710eec900bedfc5729bf9bdf
 F src/btmutex.c bc87dd3b062cc26edfe79918de2200ccb8d41e73
-F src/btree.c 6bd9b3d778a023e2238a81cd0b87b00085220e0e
+F src/btree.c 5d93e2477acb99d50a8b045f2e26a0be3d7751fe
 F src/btree.h 68ef301795e00cdf1d3ab93abc44a43b7fe771e0
-F src/btreeInt.h b5f2651b41808f038dee9282c5dc0232ce6532d3
+F src/btreeInt.h c18b7d2a3494695133e4e60ee36061d37f45d9a5
 F src/build.c 9d497ff4bf3c82cecb520436e0e9963785627583
 F src/callback.c 7b44ce59674338ad48b0e84e7b72f935ea4f68b0
 F src/complete.c addcd8160b081131005d5bc2d34adf20c1c5c92f
@@ -1407,7 +1407,7 @@ F tool/vdbe_profile.tcl 246d0da094856d72d2c12efec03250d71639d19f
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh 48bd54594752d5be3337f12c72f28d2080cb630b
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P fc62851667d9120f98a2641c87bbc5a2485482b2
-R 5117171a7e356e05f85dd4c6a03b017d
+P 1f44a9bdc1577aed088d9b91882527228015dcd3
+R dcacd681598087d316aa7da66fd3e6ff
 U drh
-Z 900d53369fb7ca05847989ae4b11e011
+Z a106a14306903405633952b5120c8bc2

manifest.uuid

@@ -1 +1 @@
-1f44a9bdc1577aed088d9b91882527228015dcd3
+5fc0a4c1f353c4c06fcbc4bce8bbe1897ef49eee

src/btree.c

@@ -1079,7 +1079,6 @@ static void btreeParseCellPtrNoPayload(
 ){
   assert( sqlite3_mutex_held(pPage->pBt->mutex) );
   assert( pPage->leaf==0 );
-  assert( pPage->noPayload );
   assert( pPage->childPtrSize==4 );
 #ifndef SQLITE_DEBUG
   UNUSED_PARAMETER(pPage);
@@ -1101,8 +1100,6 @@ static void btreeParseCellPtr(
 
   assert( sqlite3_mutex_held(pPage->pBt->mutex) );
   assert( pPage->leaf==0 || pPage->leaf==1 );
-  assert( pPage->intKeyLeaf || pPage->noPayload );
-  assert( pPage->noPayload==0 );
   assert( pPage->intKeyLeaf );
   assert( pPage->childPtrSize==0 );
   pIter = pCell;
@@ -1171,7 +1168,6 @@ static void btreeParseCellPtrIndex(
   assert( sqlite3_mutex_held(pPage->pBt->mutex) );
   assert( pPage->leaf==0 || pPage->leaf==1 );
   assert( pPage->intKeyLeaf==0 );
-  assert( pPage->noPayload==0 );
   pIter = pCell + pPage->childPtrSize;
   nPayload = *pIter;
   if( nPayload>=0x80 ){
@@ -1232,7 +1228,6 @@ static u16 cellSizePtr(MemPage *pPage, u8 *pCell){
   pPage->xParseCell(pPage, pCell, &debuginfo);
 #endif
 
-  assert( pPage->noPayload==0 );
   nSize = *pIter;
   if( nSize>=0x80 ){
     pEnd = &pIter[8];
@@ -1690,11 +1685,9 @@ static int decodeFlags(MemPage *pPage, int flagByte){
     pPage->intKey = 1;
     if( pPage->leaf ){
       pPage->intKeyLeaf = 1;
-      pPage->noPayload = 0;
       pPage->xParseCell = btreeParseCellPtr;
     }else{
       pPage->intKeyLeaf = 0;
-      pPage->noPayload = 1;
       pPage->xCellSize = cellSizePtrNoPayload;
       pPage->xParseCell = btreeParseCellPtrNoPayload;
     }
@@ -1709,7 +1702,6 @@ static int decodeFlags(MemPage *pPage, int flagByte){
     assert( (PTF_ZERODATA|PTF_LEAF)==10 );
     pPage->intKey = 0;
     pPage->intKeyLeaf = 0;
-    pPage->noPayload = 0;
     pPage->xParseCell = btreeParseCellPtrIndex;
     pPage->maxLocal = pBt->maxLocal;
     pPage->minLocal = pBt->minLocal;

src/btreeInt.h

@@ -276,7 +276,6 @@ struct MemPage {
   u8 nOverflow;        /* Number of overflow cell bodies in aCell[] */
   u8 intKey;           /* True if table b-trees.  False for index b-trees */
   u8 intKeyLeaf;       /* True if the leaf of an intKey table */
-  u8 noPayload;        /* True if internal intKey page (thus w/o data) */
   u8 leaf;             /* True if a leaf page */
   u8 hdrOffset;        /* 100 for page 1.  0 otherwise */
   u8 childPtrSize;     /* 0 if leaf==1.  4 if leaf==0 */