Add WHERETRACE macros showing every entry and exit from

whereLoopAddBtreeIndex().

FossilOrigin-Name: e7653decdcee161d379ced40aa1b27246337b000

manifest

@@ -1,5 +1,5 @@
-C Fix\sSQLITE_OMIT_AUTHORIZATION\sso\sthat\sit\scompiles\scleanly.
-D 2016-09-16T11:53:10.715
+C Add\sWHERETRACE\smacros\sshowing\severy\sentry\sand\sexit\sfrom\nwhereLoopAddBtreeIndex().
+D 2016-09-16T14:50:38.605
 F Makefile.in 6fd48ffcf7c2deea7499062d1f3747f986c19678
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc e1aa788e84f926e42239ee167c53f785bedacacd
@@ -467,7 +467,7 @@ F src/vxworks.h d2988f4e5a61a4dfe82c6524dd3d6e4f2ce3cdb9
 F src/wal.c 02eeecc265f6ffd0597378f5d8ae9070b62a406a
 F src/wal.h 6dd221ed384afdc204bc61e25c23ef7fd5a511f2
 F src/walker.c 2d2cc7fb0f320f7f415215d7247f3c584141ac09
-F src/where.c edbd73a87ba2e186928e9bfc14348b1bbb2628c5
+F src/where.c d0ca1b5e1c56249e7725cea66ce4e172c5845dec
 F src/whereInt.h 14dd243e13b81cbb0a66063d38b70f93a7d6e613
 F src/wherecode.c d172dcf99932ba698dd304edc9a368cd52b4b2e5
 F src/whereexpr.c e3db778ed205e982f31960896db71c50612ae009
@@ -1525,7 +1525,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 792afefa9c750910082fd102f1ccd10309759dfc
-R 8c1833647015caee904c1e0d3421d795
+P a3e3b3e1c57178ccd38fc7375ec1de8e8ae45372
+R e3303608d5424eda671e1d828f84ecf6
 U drh
-Z 8c6311e2ea32e5d653d9fa56ba1b62fa
+Z cc222b0997065c7a36fcdb84d3a6e5ff

manifest.uuid

@@ -1 +1 @@
-a3e3b3e1c57178ccd38fc7375ec1de8e8ae45372
+e7653decdcee161d379ced40aa1b27246337b000

src/where.c

@@ -2322,6 +2322,8 @@ static int whereLoopAddBtreeIndex(
 
   pNew = pBuilder->pNew;
   if( db->mallocFailed ) return SQLITE_NOMEM_BKPT;
+  WHERETRACE(0x800, ("BEGIN addBtreeIdx(%s), nEq=%d\n",
+                     pProbe->zName, pNew->u.btree.nEq));
 
   assert( (pNew->wsFlags & WHERE_VIRTUALTABLE)==0 );
   assert( (pNew->wsFlags & WHERE_TOP_LIMIT)==0 );
@@ -2600,6 +2602,8 @@ static int whereLoopAddBtreeIndex(
     pNew->wsFlags = saved_wsFlags;
   }
 
+  WHERETRACE(0x800, ("END addBtreeIdx(%s), nEq=%d, rc=%d\n",
+                      pProbe->zName, saved_nEq, rc));
   return rc;
 }