Rename the Db.zName field to Db.zDbSName to make it more descriptive and to

distinguish it from all of the other "zName" variables scattered throughout
the code.

FossilOrigin-Name: 92a22f01343a898455fd61c3b8e7d7c954f5b569

24 files changed, 117 insertions, 114 deletions

diff --git a/manifest b/manifest
index 2dccb1db2..28fe5360f 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Fix\sa\sproblem\sin\sthe\sfts5\ssnippet()\sauxiliary\sfunction.
-D 2016-08-17T11:14:39.949
+C Rename\sthe\sDb.zName\sfield\sto\sDb.zDbSName\sto\smake\sit\smore\sdescriptive\sand\sto\ndistinguish\sit\sfrom\sall\sof\sthe\sother\s"zName"\svariables\sscattered\sthroughout\nthe\scode.
+D 2016-08-18T14:33:11.816
 F Makefile.in cfd8fb987cd7a6af046daa87daa146d5aad0e088
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc d66d0395c38571aab3804f8db0fa20707ae4609a
@@ -321,35 +321,35 @@ F spec.template 86a4a43b99ebb3e75e6b9a735d5fd293a24e90ca
 F sqlite.pc.in 42b7bf0d02e08b9e77734a47798d1a55a9e0716b
 F sqlite3.1 fc7ad8990fc8409983309bb80de8c811a7506786
 F sqlite3.pc.in 48fed132e7cb71ab676105d2a4dc77127d8c1f3a
-F src/alter.c cc28ab933ae615b22add0d609794ffb6596b42ea
-F src/analyze.c 37fedc80ac966ce1745811746e68e4d8fa64c7fe
-F src/attach.c 771153bd1f4ab0b97a44a13dde2c7e5e1efeba22
-F src/auth.c 5c8e0f37f785f935f589496801edd19840485853
+F src/alter.c 299117695b1f21ac62dfc5b608588810ba22ed0d
+F src/analyze.c 8b62b2cf4da85451534ac0af82cafc418d837f68
+F src/attach.c 4711ff365df4072b8c3dcd55db5d12dcf8ffa0c6
+F src/auth.c 930b376a9c56998557367e6f7f8aaeac82a2a792
 F src/backup.c 17cd25a36d49330df2bacd2cadf2a61f3b525976
 F src/bitvec.c 3ee4c8b2c94ed3a7377256e18199e6ff5cf33f63
 F src/btmutex.c bc87dd3b062cc26edfe79918de2200ccb8d41e73
 F src/btree.c 2551bd3ecb8b8988fb8b23aabadfb214dbc38e46
 F src/btree.h 075c45707c0f8f8af118f739f36df8098a08b7da
 F src/btreeInt.h c18b7d2a3494695133e4e60ee36061d37f45d9a5
-F src/build.c 7c3c780b703c09314032c8f6e4e7c1d80241a818
+F src/build.c c38fd92a8d886a5b9397267bf63b76ebad05c4d5
 F src/callback.c 2e76147783386374bf01b227f752c81ec872d730
 F src/complete.c a3634ab1e687055cd002e11b8f43eb75c17da23e
 F src/ctime.c e77f3dc297b4b65c96da78b4ae4272fdfae863d7
 F src/date.c 95c9a8d00767e7221a8e9a31f4e913fc8029bf6b
-F src/dbstat.c 4f6f7f52b49beb9636ffbd517cfe44a402ba4ad0
-F src/delete.c 4aba4214a377ce8ddde2d2e609777bcc8235200f
+F src/dbstat.c 19ee7a4e89979d4df8e44cfac7a8f905ec89b77d
+F src/delete.c 76c084f0265f4a3cd1ecf17eee112a94f1ccbc05
 F src/expr.c 9c5eca8602f6c496e8d4eefefe2aae3d831dd510
 F src/fault.c 160a0c015b6c2629d3899ed2daf63d75754a32bb
-F src/fkey.c bc4145347595b7770f9a598cff1c848302cf5413
+F src/fkey.c e2be0968c1adc679c87e467aa5b4f167588f38a8
 F src/func.c 29cc9acb170ec1387b9f63eb52cd85f8de96c771
 F src/global.c c45ea22aff29334f6a9ec549235ac3357c970015
 F src/hash.c 55b5fb474100cee0b901edaf203e26c970940f36
 F src/hash.h ab34c5c54a9e9de2e790b24349ba5aab3dbb4fd4
 F src/hwtime.h 747c1bbe9df21a92e9c50f3bbec1de841dc5e5da
-F src/insert.c 8f4e9fcbd8e95e85f15647ba8b413b18d556ec2b
+F src/insert.c d5cd8315c0577e86e17dda9239b45cffa81022c0
 F src/legacy.c 75d3023be8f0d2b99d60f905090341a03358c58e
 F src/loadext.c dd7a2b77902cc66c22555aef02e1a682554b7aec
-F src/main.c 16c1b2114eae8804caf3a8de8cb47bf2c6d83ad3
+F src/main.c 8dc7adfeace35ee1f4c489b503ee8fe6bc1fa802
 F src/malloc.c 1443d1ad95d67c21d77af7ae3f44678252f0efec
 F src/mem0.c 6a55ebe57c46ca1a7d98da93aaa07f99f1059645
 F src/mem1.c 6919bcf12f221868ea066eec27e579fed95ce98b
@@ -377,19 +377,19 @@ F src/parse.y 99b676e6fc2f4e331ab93e76b3987cffdbd28efa
 F src/pcache.c 5583c8ade4b05075a60ba953ef471d1c1a9c05df
 F src/pcache.h 2cedcd8407eb23017d92790b112186886e179490
 F src/pcache1.c 4bb7a6a5300c67d0b033d25adb509c120c03e812
-F src/pragma.c c8b499756658cb8b82cfdbb5845c22cf11f297aa
+F src/pragma.c d932ba278654617cdd281f88a790a3185fca7c44
 F src/pragma.h 64c78a648751b9f4f297276c4eb7507b14b4628c
-F src/prepare.c 22df6171aec1d86904ed2ad30c2348a5748aa04e
+F src/prepare.c a668988f324961397305b8352cf6bd87776fb347
 F src/printf.c a5f0ca08ddede803c241266abb46356ec748ded1
 F src/random.c ba2679f80ec82c4190062d756f22d0c358180696
-F src/resolve.c 0392c6686586b1d4dac9a4106959f03ddd70e9aa
+F src/resolve.c d67b9a5cc33339256e2088c5a722745fc2ff5219
 F src/rowset.c 7b7e7e479212e65b723bf40128c7b36dc5afdfac
-F src/select.c f3c6e9065fb34f6a23af27ec7f1f717ffbfc2ee4
+F src/select.c 890c32eab22061b57eb2bddcbb55d6af87db7d12
 F src/shell.c 79dda477be6c96eba6e952a934957ad36f87acc7
 F src/sqlite.h.in 0f7580280d1b009b507d8beec1ff0f197ba0cc99
 F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
 F src/sqlite3ext.h 8648034aa702469afb553231677306cc6492a1ae
-F src/sqliteInt.h d6f221a5bd572df935140beda82f357c2185a77c
+F src/sqliteInt.h f81e279da1bae217d9afcc60d5580a0d4615727e
 F src/sqliteLimit.h c0373387c287c8d0932510b5547ecde31b5da247
 F src/status.c a9e66593dfb28a9e746cba7153f84d49c1ddc4b1
 F src/table.c 5226df15ab9179b9ed558d89575ea0ce37b03fc9
@@ -445,21 +445,21 @@ F src/test_wsd.c 41cadfd9d97fe8e3e4e44f61a4a8ccd6f7ca8fe9
 F src/threads.c 4ae07fa022a3dc7c5beb373cf744a85d3c5c6c3c
 F src/tokenize.c 78c8085bc7af1922aa687f0f4bbd716821330de5
 F src/treeview.c c56d6ddbed564efda746236b35bcbb8238daac4b
-F src/trigger.c e14840ee0c3e549e758ec9bf3e4146e166002280
-F src/update.c 4f05ea8cddfa367d045e03589756c02199e8f9bd
+F src/trigger.c 11e20b3b12c847b3b9055594c0f1631266bb53fc
+F src/update.c 8179e699dbd45b92934fd02d3d8e3732e8da8802
 F src/utf.c 699001c79f28e48e9bcdf8a463da029ea660540c
 F src/util.c 810ec3f22e2d1b62e66c30fe3621ebdedd23584d
-F src/vacuum.c 9dd2f5d276bc6094d8f1d85ecd41b30c1a002a43
-F src/vdbe.c ea260b61e73b11a71e70b28a8e25866e2899e5da
+F src/vacuum.c f6f10c88f8af5feb6b3632e5e4133e4482819c4f
+F src/vdbe.c 6242a21f22a68899db5e758c69a32cad163585e2
 F src/vdbe.h 67bc551f7faf04c33493892e4b378aada823ed10
 F src/vdbeInt.h c59381049af5c7751a83456c39b80d1a6fde1f9d
-F src/vdbeapi.c c3f6715a99995c11748ecad91d25e93fd9fc390b
+F src/vdbeapi.c a32d61b7dd05e6890d8fd44d2805f55e2f5ba9f3
 F src/vdbeaux.c a32d79aeaa88dc2b97c261172d952d395254a055
-F src/vdbeblob.c 83d2d266383157b02e2b809350bb197e89d7895b
+F src/vdbeblob.c 3e82a797b60c3b9fed7b8de8c539ca7607874937
 F src/vdbemem.c 1ecaa5ee0caff07255f25d04e8dc88befb6f88d1
 F src/vdbesort.c 91fda3909326860382b0ca8aa251e609c6a9d62c
 F src/vdbetrace.c 41963d5376f0349842b5fc4aaaaacd7d9cdc0834
-F src/vtab.c 6b3cfaff7e4397739d6b48511e777ca58c6d06d4
+F src/vtab.c 5ca4fa8b028f9e2ed4793ee1670911a83cfcefd8
 F src/vxworks.h d2988f4e5a61a4dfe82c6524dd3d6e4f2ce3cdb9
 F src/wal.c 02eeecc265f6ffd0597378f5d8ae9070b62a406a
 F src/wal.h 6dd221ed384afdc204bc61e25c23ef7fd5a511f2
@@ -1510,7 +1510,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P f9035b8e2ea331801402bcb62b203ab092949770
-R c6d38a9772924d9b143e2aa32916b131
-U dan
-Z c5e29b567d02bec227e0b49d5b8a188c
+P a861713cc6a3868a1c89240e8340bc7b2b9559da
+R 99cc7186f7854d08151b32f71928925d
+U drh
+Z 208eab983f2b557e0d2dff78ec685958
diff --git a/manifest.uuid b/manifest.uuid
index 77bfe841e..7bc875b98 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-a861713cc6a3868a1c89240e8340bc7b2b9559da
\ No newline at end of file
+92a22f01343a898455fd61c3b8e7d7c954f5b569
\ No newline at end of file
diff --git a/src/alter.c b/src/alter.c
index 806ed4917..2c86a8bac 100644
--- a/src/alter.c
+++ b/src/alter.c
@@ -413,7 +413,7 @@ void sqlite3AlterRenameTable(
   pTab = sqlite3LocateTableItem(pParse, 0, &pSrc->a[0]);
   if( !pTab ) goto exit_rename_table;
   iDb = sqlite3SchemaToIndex(pParse->db, pTab->pSchema);
-  zDb = db->aDb[iDb].zName;
+  zDb = db->aDb[iDb].zDbSName;
   db->flags |= SQLITE_PreferBuiltin;
 
   /* Get a NULL terminated version of the new table name. */
@@ -611,7 +611,7 @@ void sqlite3AlterFinishAddColumn(Parse *pParse, Token *pColDef){
 
   assert( sqlite3BtreeHoldsAllMutexes(db) );
   iDb = sqlite3SchemaToIndex(db, pNew->pSchema);
-  zDb = db->aDb[iDb].zName;
+  zDb = db->aDb[iDb].zDbSName;
   zTab = &pNew->zName[16];  /* Skip the "sqlite_altertab_" prefix on the name */
   pCol = &pNew->aCol[pNew->nCol-1];
   pDflt = pCol->pDflt;
diff --git a/src/analyze.c b/src/analyze.c
index 3a81c9324..e3955f302 100644
--- a/src/analyze.c
+++ b/src/analyze.c
@@ -210,14 +210,14 @@ static void openStatTable(
   for(i=0; i<ArraySize(aTable); i++){
     const char *zTab = aTable[i].zName;
     Table *pStat;
-    if( (pStat = sqlite3FindTable(db, zTab, pDb->zName))==0 ){
+    if( (pStat = sqlite3FindTable(db, zTab, pDb->zDbSName))==0 ){
       if( aTable[i].zCols ){
         /* The sqlite_statN table does not exist. Create it. Note that a 
         ** side-effect of the CREATE TABLE statement is to leave the rootpage 
         ** of the new table in register pParse->regRoot. This is important 
         ** because the OpenWrite opcode below will be needing it. */
         sqlite3NestedParse(pParse,
-            "CREATE TABLE %Q.%s(%s)", pDb->zName, zTab, aTable[i].zCols
+            "CREATE TABLE %Q.%s(%s)", pDb->zDbSName, zTab, aTable[i].zCols
         );
         aRoot[i] = pParse->regRoot;
         aCreateTbl[i] = OPFLAG_P2ISREG;
@@ -232,7 +232,7 @@ static void openStatTable(
       if( zWhere ){
         sqlite3NestedParse(pParse,
            "DELETE FROM %Q.%s WHERE %s=%Q",
-           pDb->zName, zTab, zWhereType, zWhere
+           pDb->zDbSName, zTab, zWhereType, zWhere
         );
       }else{
         /* The sqlite_stat[134] table already exists.  Delete all rows. */
@@ -994,7 +994,7 @@ static void analyzeOneTable(
   assert( sqlite3SchemaMutexHeld(db, iDb, 0) );
 #ifndef SQLITE_OMIT_AUTHORIZATION
   if( sqlite3AuthCheck(pParse, SQLITE_ANALYZE, pTab->zName, 0,
-      db->aDb[iDb].zName ) ){
+      db->aDb[iDb].zDbSName ) ){
     return;
   }
 #endif
@@ -1384,7 +1384,7 @@ void sqlite3Analyze(Parse *pParse, Token *pName1, Token *pName2){
     /* Form 3: Analyze the fully qualified table name */
     iDb = sqlite3TwoPartName(pParse, pName1, pName2, &pTableName);
     if( iDb>=0 ){
-      zDb = db->aDb[iDb].zName;
+      zDb = db->aDb[iDb].zDbSName;
       z = sqlite3NameFromToken(db, pTableName);
       if( z ){
         if( (pIdx = sqlite3FindIndex(db, z, zDb))!=0 ){
@@ -1844,7 +1844,7 @@ int sqlite3AnalysisLoad(sqlite3 *db, int iDb){
 
   /* Load new statistics out of the sqlite_stat1 table */
   sInfo.db = db;
-  sInfo.zDatabase = db->aDb[iDb].zName;
+  sInfo.zDatabase = db->aDb[iDb].zDbSName;
   if( sqlite3FindTable(db, "sqlite_stat1", sInfo.zDatabase)!=0 ){
     zSql = sqlite3MPrintf(db, 
         "SELECT tbl,idx,stat FROM %Q.sqlite_stat1", sInfo.zDatabase);
diff --git a/src/attach.c b/src/attach.c
index ea378a40a..5d2a55278 100644
--- a/src/attach.c
+++ b/src/attach.c
@@ -97,7 +97,7 @@ static void attachFunc(
     goto attach_error;
   }
   for(i=0; i<db->nDb; i++){
-    char *z = db->aDb[i].zName;
+    char *z = db->aDb[i].zDbSName;
     assert( z && zName );
     if( sqlite3StrICmp(z, zName)==0 ){
       zErrDyn = sqlite3MPrintf(db, "database %s is already in use", zName);
@@ -162,8 +162,8 @@ static void attachFunc(
     sqlite3BtreeLeave(aNew->pBt);
   }
   aNew->safety_level = SQLITE_DEFAULT_SYNCHRONOUS+1;
-  aNew->zName = sqlite3DbStrDup(db, zName);
-  if( rc==SQLITE_OK && aNew->zName==0 ){
+  aNew->zDbSName = sqlite3DbStrDup(db, zName);
+  if( rc==SQLITE_OK && aNew->zDbSName==0 ){
     rc = SQLITE_NOMEM_BKPT;
   }
 
@@ -275,7 +275,7 @@ static void detachFunc(
   for(i=0; i<db->nDb; i++){
     pDb = &db->aDb[i];
     if( pDb->pBt==0 ) continue;
-    if( sqlite3StrICmp(pDb->zName, zName)==0 ) break;
+    if( sqlite3StrICmp(pDb->zDbSName, zName)==0 ) break;
   }
 
   if( i>=db->nDb ){
@@ -433,7 +433,7 @@ void sqlite3FixInit(
   db = pParse->db;
   assert( db->nDb>iDb );
   pFix->pParse = pParse;
-  pFix->zDb = db->aDb[iDb].zName;
+  pFix->zDb = db->aDb[iDb].zDbSName;
   pFix->pSchema = db->aDb[iDb].pSchema;
   pFix->zType = zType;
   pFix->pName = pName;
diff --git a/src/auth.c b/src/auth.c
index 8a3f8e7d0..77a95d4a8 100644
--- a/src/auth.c
+++ b/src/auth.c
@@ -107,9 +107,9 @@ int sqlite3AuthReadCol(
   const char *zCol,               /* Column name */
   int iDb                         /* Index of containing database. */
 ){
-  sqlite3 *db = pParse->db;       /* Database handle */
-  char *zDb = db->aDb[iDb].zName; /* Name of attached database */
-  int rc;                         /* Auth callback return code */
+  sqlite3 *db = pParse->db;          /* Database handle */
+  char *zDb = db->aDb[iDb].zDbSName; /* Schema name of attached database */
+  int rc;                            /* Auth callback return code */
 
   if( db->init.busy ) return SQLITE_OK;
   rc = db->xAuth(db->pAuthArg, SQLITE_READ, zTab,zCol,zDb,pParse->zAuthContext
diff --git a/src/build.c b/src/build.c
index b14e6f2fc..bf7080ed4 100644
--- a/src/build.c
+++ b/src/build.c
@@ -318,10 +318,11 @@ Table *sqlite3FindTable(sqlite3 *db, const char *zName, const char *zDatabase){
 #endif
   for(i=OMIT_TEMPDB; i<db->nDb; i++){
     int j = (i<2) ? i^1 : i;   /* Search TEMP before MAIN */
-    if( zDatabase!=0 && sqlite3StrICmp(zDatabase, db->aDb[j].zName) ) continue;
-    assert( sqlite3SchemaMutexHeld(db, j, 0) );
-    p = sqlite3HashFind(&db->aDb[j].pSchema->tblHash, zName);
-    if( p ) break;
+    if( zDatabase==0 || sqlite3StrICmp(zDatabase, db->aDb[j].zDbSName)==0 ){
+      assert( sqlite3SchemaMutexHeld(db, j, 0) );
+      p = sqlite3HashFind(&db->aDb[j].pSchema->tblHash, zName);
+      if( p ) break;
+    }
   }
   return p;
 }
@@ -395,7 +396,7 @@ Table *sqlite3LocateTableItem(
   assert( p->pSchema==0 || p->zDatabase==0 );
   if( p->pSchema ){
     int iDb = sqlite3SchemaToIndex(pParse->db, p->pSchema);
-    zDb = pParse->db->aDb[iDb].zName;
+    zDb = pParse->db->aDb[iDb].zDbSName;
   }else{
     zDb = p->zDatabase;
   }
@@ -423,7 +424,7 @@ Index *sqlite3FindIndex(sqlite3 *db, const char *zName, const char *zDb){
     int j = (i<2) ? i^1 : i;  /* Search TEMP before MAIN */
     Schema *pSchema = db->aDb[j].pSchema;
     assert( pSchema );
-    if( zDb && sqlite3StrICmp(zDb, db->aDb[j].zName) ) continue;
+    if( zDb && sqlite3StrICmp(zDb, db->aDb[j].zDbSName) ) continue;
     assert( sqlite3SchemaMutexHeld(db, j, 0) );
     p = sqlite3HashFind(&pSchema->idxHash, zName);
     if( p ) break;
@@ -492,8 +493,8 @@ void sqlite3CollapseDatabaseArray(sqlite3 *db){
   for(i=j=2; i<db->nDb; i++){
     struct Db *pDb = &db->aDb[i];
     if( pDb->pBt==0 ){
-      sqlite3DbFree(db, pDb->zName);
-      pDb->zName = 0;
+      sqlite3DbFree(db, pDb->zDbSName);
+      pDb->zDbSName = 0;
       continue;
     }
     if( j<i ){
@@ -713,7 +714,7 @@ int sqlite3FindDbName(sqlite3 *db, const char *zName){
   if( zName ){
     Db *pDb;
     for(i=(db->nDb-1), pDb=&db->aDb[i]; i>=0; i--, pDb--){
-      if( 0==sqlite3StrICmp(pDb->zName, zName) ) break;
+      if( 0==sqlite3StrICmp(pDb->zDbSName, zName) ) break;
     }
   }
   return i;
@@ -883,7 +884,7 @@ void sqlite3StartTable(
        SQLITE_CREATE_VIEW,
        SQLITE_CREATE_TEMP_VIEW
     };
-    char *zDb = db->aDb[iDb].zName;
+    char *zDb = db->aDb[iDb].zDbSName;
     if( sqlite3AuthCheck(pParse, SQLITE_INSERT, SCHEMA_TABLE(isTemp), 0, zDb) ){
       goto begin_table_error;
     }
@@ -902,7 +903,7 @@ void sqlite3StartTable(
   ** collisions.
   */
   if( !IN_DECLARE_VTAB ){
-    char *zDb = db->aDb[iDb].zName;
+    char *zDb = db->aDb[iDb].zDbSName;
     if( SQLITE_OK!=sqlite3ReadSchema(pParse) ){
       goto begin_table_error;
     }
@@ -1995,7 +1996,7 @@ void sqlite3EndTable(
       "UPDATE %Q.%s "
          "SET type='%s', name=%Q, tbl_name=%Q, rootpage=#%d, sql=%Q "
        "WHERE rowid=#%d",
-      db->aDb[iDb].zName, SCHEMA_TABLE(iDb),
+      db->aDb[iDb].zDbSName, SCHEMA_TABLE(iDb),
       zType,
       p->zName,
       p->zName,
@@ -2016,7 +2017,7 @@ void sqlite3EndTable(
       if( pDb->pSchema->pSeqTab==0 ){
         sqlite3NestedParse(pParse,
           "CREATE TABLE %Q.sqlite_sequence(name,seq)",
-          pDb->zName
+          pDb->zDbSName
         );
       }
     }
@@ -2330,7 +2331,7 @@ static void destroyRootPage(Parse *pParse, int iTable, int iDb){
   */
   sqlite3NestedParse(pParse, 
      "UPDATE %Q.%s SET rootpage=%d WHERE #%d AND rootpage=#%d",
-     pParse->db->aDb[iDb].zName, SCHEMA_TABLE(iDb), iTable, r1, r1);
+     pParse->db->aDb[iDb].zDbSName, SCHEMA_TABLE(iDb), iTable, r1, r1);
 #endif
   sqlite3ReleaseTempReg(pParse, r1);
 }
@@ -2406,7 +2407,7 @@ static void sqlite3ClearStatTables(
   const char *zName      /* Name of index or table */
 ){
   int i;
-  const char *zDbName = pParse->db->aDb[iDb].zName;
+  const char *zDbName = pParse->db->aDb[iDb].zDbSName;
   for(i=1; i<=4; i++){
     char zTab[24];
     sqlite3_snprintf(sizeof(zTab),zTab,"sqlite_stat%d",i);
@@ -2459,7 +2460,7 @@ void sqlite3CodeDropTable(Parse *pParse, Table *pTab, int iDb, int isView){
   if( pTab->tabFlags & TF_Autoincrement ){
     sqlite3NestedParse(pParse,
       "DELETE FROM %Q.sqlite_sequence WHERE name=%Q",
-      pDb->zName, pTab->zName
+      pDb->zDbSName, pTab->zName
     );
   }
 #endif
@@ -2473,7 +2474,7 @@ void sqlite3CodeDropTable(Parse *pParse, Table *pTab, int iDb, int isView){
   */
   sqlite3NestedParse(pParse, 
       "DELETE FROM %Q.%s WHERE tbl_name=%Q and type!='trigger'",
-      pDb->zName, SCHEMA_TABLE(iDb), pTab->zName);
+      pDb->zDbSName, SCHEMA_TABLE(iDb), pTab->zName);
   if( !isView && !IsVirtual(pTab) ){
     destroyTable(pParse, pTab);
   }
@@ -2527,7 +2528,7 @@ void sqlite3DropTable(Parse *pParse, SrcList *pName, int isView, int noErr){
   {
     int code;
     const char *zTab = SCHEMA_TABLE(iDb);
-    const char *zDb = db->aDb[iDb].zName;
+    const char *zDb = db->aDb[iDb].zDbSName;
     const char *zArg2 = 0;
     if( sqlite3AuthCheck(pParse, SQLITE_DELETE, zTab, 0, zDb)){
       goto exit_drop_table;
@@ -2768,7 +2769,7 @@ static void sqlite3RefillIndex(Parse *pParse, Index *pIndex, int memRootPage){
 
 #ifndef SQLITE_OMIT_AUTHORIZATION
   if( sqlite3AuthCheck(pParse, SQLITE_REINDEX, pIndex->zName, 0,
-      db->aDb[iDb].zName ) ){
+      db->aDb[iDb].zDbSName ) ){
     return;
   }
 #endif
@@ -3020,7 +3021,7 @@ void sqlite3CreateIndex(
         goto exit_create_index;
       }
     }
-    if( sqlite3FindIndex(db, zName, pDb->zName)!=0 ){
+    if( sqlite3FindIndex(db, zName, pDb->zDbSName)!=0 ){
       if( !ifNotExist ){
         sqlite3ErrorMsg(pParse, "index %s already exists", zName);
       }else{
@@ -3050,7 +3051,7 @@ void sqlite3CreateIndex(
   */
 #ifndef SQLITE_OMIT_AUTHORIZATION
   {
-    const char *zDb = pDb->zName;
+    const char *zDb = pDb->zDbSName;
     if( sqlite3AuthCheck(pParse, SQLITE_INSERT, SCHEMA_TABLE(iDb), 0, zDb) ){
       goto exit_create_index;
     }
@@ -3365,7 +3366,7 @@ void sqlite3CreateIndex(
     */
     sqlite3NestedParse(pParse, 
         "INSERT INTO %Q.%s VALUES('index',%Q,%Q,#%d,%Q);",
-        db->aDb[iDb].zName, SCHEMA_TABLE(iDb),
+        db->aDb[iDb].zDbSName, SCHEMA_TABLE(iDb),
         pIndex->zName,
         pTab->zName,
         iMem,
@@ -3499,7 +3500,7 @@ void sqlite3DropIndex(Parse *pParse, SrcList *pName, int ifExists){
   {
     int code = SQLITE_DROP_INDEX;
     Table *pTab = pIndex->pTable;
-    const char *zDb = db->aDb[iDb].zName;
+    const char *zDb = db->aDb[iDb].zDbSName;
     const char *zTab = SCHEMA_TABLE(iDb);
     if( sqlite3AuthCheck(pParse, SQLITE_DELETE, zTab, 0, zDb) ){
       goto exit_drop_index;
@@ -3517,7 +3518,7 @@ void sqlite3DropIndex(Parse *pParse, SrcList *pName, int ifExists){
     sqlite3BeginWriteOperation(pParse, 1, iDb);
     sqlite3NestedParse(pParse,
        "DELETE FROM %Q.%s WHERE name=%Q AND type='index'",
-       db->aDb[iDb].zName, SCHEMA_TABLE(iDb), pIndex->zName
+       db->aDb[iDb].zDbSName, SCHEMA_TABLE(iDb), pIndex->zName
     );
     sqlite3ClearStatTables(pParse, iDb, "idx", pIndex->zName);
     sqlite3ChangeCookie(pParse, iDb);
@@ -4062,7 +4063,7 @@ void sqlite3CodeVerifyNamedSchema(Parse *pParse, const char *zDb){
   int i;
   for(i=0; i<db->nDb; i++){
     Db *pDb = &db->aDb[i];
-    if( pDb->pBt && (!zDb || 0==sqlite3StrICmp(zDb, pDb->zName)) ){
+    if( pDb->pBt && (!zDb || 0==sqlite3StrICmp(zDb, pDb->zDbSName)) ){
       sqlite3CodeVerifySchema(pParse, i);
     }
   }
@@ -4309,7 +4310,7 @@ void sqlite3Reindex(Parse *pParse, Token *pName1, Token *pName2){
   if( iDb<0 ) return;
   z = sqlite3NameFromToken(db, pObjName);
   if( z==0 ) return;
-  zDb = db->aDb[iDb].zName;
+  zDb = db->aDb[iDb].zDbSName;
   pTab = sqlite3FindTable(db, z, zDb);
   if( pTab ){
     reindexTable(pParse, pTab, 0);
diff --git a/src/dbstat.c b/src/dbstat.c
index 92ce650df..13974bb97 100644
--- a/src/dbstat.c
+++ b/src/dbstat.c
@@ -602,7 +602,7 @@ static int statFilter(
       "  UNION ALL  "
       "SELECT name, rootpage, type"
       "  FROM \"%w\".%s WHERE rootpage!=0"
-      "  ORDER BY name", pTab->db->aDb[pCsr->iDb].zName, zMaster);
+      "  ORDER BY name", pTab->db->aDb[pCsr->iDb].zDbSName, zMaster);
   if( zSql==0 ){
     return SQLITE_NOMEM_BKPT;
   }else{
@@ -656,7 +656,7 @@ static int statColumn(
     default: {          /* schema */
       sqlite3 *db = sqlite3_context_db_handle(ctx);
       int iDb = pCsr->iDb;
-      sqlite3_result_text(ctx, db->aDb[iDb].zName, -1, SQLITE_STATIC);
+      sqlite3_result_text(ctx, db->aDb[iDb].zDbSName, -1, SQLITE_STATIC);
       break;
     }
   }
diff --git a/src/delete.c b/src/delete.c
index e9e669e21..3d9360e92 100644
--- a/src/delete.c
+++ b/src/delete.c
@@ -102,7 +102,7 @@ void sqlite3MaterializeView(
   if( pFrom ){
     assert( pFrom->nSrc==1 );
     pFrom->a[0].zName = sqlite3DbStrDup(db, pView->zName);
-    pFrom->a[0].zDatabase = sqlite3DbStrDup(db, db->aDb[iDb].zName);
+    pFrom->a[0].zDatabase = sqlite3DbStrDup(db, db->aDb[iDb].zDbSName);
     assert( pFrom->a[0].pOn==0 );
     assert( pFrom->a[0].pUsing==0 );
   }
@@ -289,7 +289,7 @@ void sqlite3DeleteFrom(
   }
   iDb = sqlite3SchemaToIndex(db, pTab->pSchema);
   assert( iDb<db->nDb );
-  zDb = db->aDb[iDb].zName;
+  zDb = db->aDb[iDb].zDbSName;
   rcauth = sqlite3AuthCheck(pParse, SQLITE_DELETE, pTab->zName, 0, zDb);
   assert( rcauth==SQLITE_OK || rcauth==SQLITE_DENY || rcauth==SQLITE_IGNORE );
   if( rcauth==SQLITE_DENY ){
diff --git a/src/fkey.c b/src/fkey.c
index 25d9f8491..609c3c601 100644
--- a/src/fkey.c
+++ b/src/fkey.c
@@ -871,7 +871,7 @@ void sqlite3FkCheck(
   if( (db->flags&SQLITE_ForeignKeys)==0 ) return;
 
   iDb = sqlite3SchemaToIndex(db, pTab->pSchema);
-  zDb = db->aDb[iDb].zName;
+  zDb = db->aDb[iDb].zDbSName;
 
   /* Loop through all the foreign key constraints for which pTab is the
   ** child table (the table that the foreign key definition is part of).  */
diff --git a/src/insert.c b/src/insert.c
index 5dc045ab6..dacd37c7f 100644
--- a/src/insert.c
+++ b/src/insert.c
@@ -547,7 +547,7 @@ void sqlite3Insert(
   iDb = sqlite3SchemaToIndex(db, pTab->pSchema);
   assert( iDb<db->nDb );
   pDb = &db->aDb[iDb];
-  zDb = pDb->zName;
+  zDb = pDb->zDbSName;
   if( sqlite3AuthCheck(pParse, SQLITE_INSERT, pTab->zName, 0, zDb) ){
     goto insert_cleanup;
   }
diff --git a/src/main.c b/src/main.c
index f31f86581..e719e7628 100644
--- a/src/main.c
+++ b/src/main.c
@@ -2932,9 +2932,9 @@ static int openDatabase(
   /* The default safety_level for the main database is FULL; for the temp
   ** database it is OFF. This matches the pager layer defaults.  
   */
-  db->aDb[0].zName = "main";
+  db->aDb[0].zDbSName = "main";
   db->aDb[0].safety_level = SQLITE_DEFAULT_SYNCHRONOUS+1;
-  db->aDb[1].zName = "temp";
+  db->aDb[1].zDbSName = "temp";
   db->aDb[1].safety_level = PAGER_SYNCHRONOUS_OFF;
 
   db->magic = SQLITE_MAGIC_OPEN;
@@ -3895,7 +3895,7 @@ Btree *sqlite3DbNameToBtree(sqlite3 *db, const char *zDbName){
   int i;
   for(i=0; i<db->nDb; i++){
     if( db->aDb[i].pBt
-     && (zDbName==0 || sqlite3StrICmp(zDbName, db->aDb[i].zName)==0)
+     && (zDbName==0 || sqlite3StrICmp(zDbName, db->aDb[i].zDbSName)==0)
     ){
       return db->aDb[i].pBt;
     }
diff --git a/src/pragma.c b/src/pragma.c
index 1ee08fbec..e774de342 100644
--- a/src/pragma.c
+++ b/src/pragma.c
@@ -338,7 +338,7 @@ void sqlite3Pragma(
   }
 
   assert( pId2 );
-  zDb = pId2->n>0 ? pDb->zName : 0;
+  zDb = pId2->n>0 ? pDb->zDbSName : 0;
   if( sqlite3AuthCheck(pParse, SQLITE_PRAGMA, zLeft, zRight, zDb) ){
     goto pragma_out;
   }
@@ -1191,10 +1191,10 @@ void sqlite3Pragma(
     setAllColumnNames(v, 3, azCol); assert( 3==ArraySize(azCol) );
     for(i=0; i<db->nDb; i++){
       if( db->aDb[i].pBt==0 ) continue;
-      assert( db->aDb[i].zName!=0 );
+      assert( db->aDb[i].zDbSName!=0 );
       sqlite3VdbeMultiLoad(v, 1, "iss",
          i,
-         db->aDb[i].zName,
+         db->aDb[i].zDbSName,
          sqlite3BtreeGetFilename(db->aDb[i].pBt));
       sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 3);
     }
@@ -1483,7 +1483,7 @@ void sqlite3Pragma(
       sqlite3VdbeChangeP5(v, (u8)i);
       addr = sqlite3VdbeAddOp1(v, OP_IsNull, 2); VdbeCoverage(v);
       sqlite3VdbeAddOp4(v, OP_String8, 0, 3, 0,
-         sqlite3MPrintf(db, "*** in database %s ***\n", db->aDb[i].zName),
+         sqlite3MPrintf(db, "*** in database %s ***\n", db->aDb[i].zDbSName),
          P4_DYNAMIC);
       sqlite3VdbeAddOp3(v, OP_Move, 2, 4, 1);
       sqlite3VdbeAddOp3(v, OP_Concat, 4, 3, 2);
@@ -1922,15 +1922,15 @@ void sqlite3Pragma(
       Btree *pBt;
       const char *zState = "unknown";
       int j;
-      if( db->aDb[i].zName==0 ) continue;
+      if( db->aDb[i].zDbSName==0 ) continue;
       pBt = db->aDb[i].pBt;
       if( pBt==0 || sqlite3BtreePager(pBt)==0 ){
         zState = "closed";
-      }else if( sqlite3_file_control(db, i ? db->aDb[i].zName : 0, 
+      }else if( sqlite3_file_control(db, i ? db->aDb[i].zDbSName : 0, 
                                      SQLITE_FCNTL_LOCKSTATE, &j)==SQLITE_OK ){
          zState = azLockName[j];
       }
-      sqlite3VdbeMultiLoad(v, 1, "ss", db->aDb[i].zName, zState);
+      sqlite3VdbeMultiLoad(v, 1, "ss", db->aDb[i].zDbSName, zState);
       sqlite3VdbeAddOp2(v, OP_ResultRow, 1, 2);
     }
     break;
diff --git a/src/prepare.c b/src/prepare.c
index 6685dfeaf..e193c5466 100644
--- a/src/prepare.c
+++ b/src/prepare.c
@@ -107,7 +107,7 @@ int sqlite3InitCallback(void *pInit, int argc, char **argv, char **NotUsed){
     ** to do here is record the root page number for that index.
     */
     Index *pIndex;
-    pIndex = sqlite3FindIndex(db, argv[0], db->aDb[iDb].zName);
+    pIndex = sqlite3FindIndex(db, argv[0], db->aDb[iDb].zDbSName);
     if( pIndex==0 ){
       /* This can occur if there exists an index on a TEMP table which
       ** has the same name as another index on a permanent index.  Since
@@ -286,7 +286,7 @@ static int sqlite3InitOne(sqlite3 *db, int iDb, char **pzErrMsg){
     char *zSql;
     zSql = sqlite3MPrintf(db, 
         "SELECT name, rootpage, sql FROM \"%w\".%s ORDER BY rowid",
-        db->aDb[iDb].zName, zMasterName);
+        db->aDb[iDb].zDbSName, zMasterName);
 #ifndef SQLITE_OMIT_AUTHORIZATION
     {
       sqlite3_xauth xAuth;
@@ -561,7 +561,7 @@ static int sqlite3Prepare(
       assert( sqlite3BtreeHoldsMutex(pBt) );
       rc = sqlite3BtreeSchemaLocked(pBt);
       if( rc ){
-        const char *zDb = db->aDb[i].zName;
+        const char *zDb = db->aDb[i].zDbSName;
         sqlite3ErrorWithMsg(db, rc, "database schema is locked: %s", zDb);
         testcase( db->flags & SQLITE_ReadUncommitted );
         goto end_prepare;
diff --git a/src/resolve.c b/src/resolve.c
index 8ae7f0919..206015fcf 100644
--- a/src/resolve.c
+++ b/src/resolve.c
@@ -221,8 +221,8 @@ static int lookupName(
       zDb = 0;
     }else{
       for(i=0; i<db->nDb; i++){
-        assert( db->aDb[i].zName );
-        if( sqlite3StrICmp(db->aDb[i].zName,zDb)==0 ){
+        assert( db->aDb[i].zDbSName );
+        if( sqlite3StrICmp(db->aDb[i].zDbSName,zDb)==0 ){
           pSchema = db->aDb[i].pSchema;
           break;
         }
diff --git a/src/select.c b/src/select.c
index e21ac57dc..064ae2a32 100644
--- a/src/select.c
+++ b/src/select.c
@@ -4414,7 +4414,7 @@ static int selectExpander(Walker *pWalker, Select *p){
               continue;
             }
             iDb = sqlite3SchemaToIndex(db, pTab->pSchema);
-            zSchemaName = iDb>=0 ? db->aDb[iDb].zName : "*";
+            zSchemaName = iDb>=0 ? db->aDb[iDb].zDbSName : "*";
           }
           for(j=0; j<pTab->nCol; j++){
             char *zName = pTab->aCol[j].zName;
diff --git a/src/sqliteInt.h b/src/sqliteInt.h
index 0ce56ceab..17f3efc6d 100644
--- a/src/sqliteInt.h
+++ b/src/sqliteInt.h
@@ -1097,7 +1097,7 @@ typedef struct With With;
 ** databases may be attached.
 */
 struct Db {
-  char *zName;         /* Name of this database */
+  char *zDbSName;      /* Name of this database. (schema name, not filename) */
   Btree *pBt;          /* The B*Tree structure for this database file */
   u8 safety_level;     /* How aggressive at syncing data to disk */
   u8 bSyncSet;         /* True if "PRAGMA synchronous=N" has been run */
diff --git a/src/trigger.c b/src/trigger.c
index 72c31eb2a..a1c16dd35 100644
--- a/src/trigger.c
+++ b/src/trigger.c
@@ -214,8 +214,8 @@ void sqlite3BeginTrigger(
 #ifndef SQLITE_OMIT_AUTHORIZATION
   {
     int code = SQLITE_CREATE_TRIGGER;
-    const char *zDb = db->aDb[iTabDb].zName;
-    const char *zDbTrig = isTemp ? db->aDb[1].zName : zDb;
+    const char *zDb = db->aDb[iTabDb].zDbSName;
+    const char *zDbTrig = isTemp ? db->aDb[1].zDbSName : zDb;
     if( iTabDb==1 || isTemp ) code = SQLITE_CREATE_TEMP_TRIGGER;
     if( sqlite3AuthCheck(pParse, code, zName, pTab->zName, zDbTrig) ){
       goto trigger_cleanup;
@@ -309,7 +309,7 @@ void sqlite3FinishTrigger(
     z = sqlite3DbStrNDup(db, (char*)pAll->z, pAll->n);
     sqlite3NestedParse(pParse,
        "INSERT INTO %Q.%s VALUES('trigger',%Q,%Q,0,'CREATE TRIGGER %q')",
-       db->aDb[iDb].zName, SCHEMA_TABLE(iDb), zName,
+       db->aDb[iDb].zDbSName, SCHEMA_TABLE(iDb), zName,
        pTrig->table, z);
     sqlite3DbFree(db, z);
     sqlite3ChangeCookie(pParse, iDb);
@@ -498,7 +498,7 @@ void sqlite3DropTrigger(Parse *pParse, SrcList *pName, int noErr){
   assert( zDb!=0 || sqlite3BtreeHoldsAllMutexes(db) );
   for(i=OMIT_TEMPDB; i<db->nDb; i++){
     int j = (i<2) ? i^1 : i;  /* Search TEMP before MAIN */
-    if( zDb && sqlite3StrICmp(db->aDb[j].zName, zDb) ) continue;
+    if( zDb && sqlite3StrICmp(db->aDb[j].zDbSName, zDb) ) continue;
     assert( sqlite3SchemaMutexHeld(db, j, 0) );
     pTrigger = sqlite3HashFind(&(db->aDb[j].pSchema->trigHash), zName);
     if( pTrigger ) break;
@@ -544,7 +544,7 @@ void sqlite3DropTriggerPtr(Parse *pParse, Trigger *pTrigger){
 #ifndef SQLITE_OMIT_AUTHORIZATION
   {
     int code = SQLITE_DROP_TRIGGER;
-    const char *zDb = db->aDb[iDb].zName;
+    const char *zDb = db->aDb[iDb].zDbSName;
     const char *zTab = SCHEMA_TABLE(iDb);
     if( iDb==1 ) code = SQLITE_DROP_TEMP_TRIGGER;
     if( sqlite3AuthCheck(pParse, code, pTrigger->zName, pTable->zName, zDb) ||
@@ -560,7 +560,7 @@ void sqlite3DropTriggerPtr(Parse *pParse, Trigger *pTrigger){
   if( (v = sqlite3GetVdbe(pParse))!=0 ){
     sqlite3NestedParse(pParse,
        "DELETE FROM %Q.%s WHERE name=%Q AND type='trigger'",
-       db->aDb[iDb].zName, SCHEMA_TABLE(iDb), pTrigger->zName
+       db->aDb[iDb].zDbSName, SCHEMA_TABLE(iDb), pTrigger->zName
     );
     sqlite3ChangeCookie(pParse, iDb);
     sqlite3VdbeAddOp4(v, OP_DropTrigger, iDb, 0, 0, pTrigger->zName, 0);
@@ -663,8 +663,10 @@ static SrcList *targetSrcList(
     pSrc->a[pSrc->nSrc-1].zName = sqlite3DbStrDup(db, pStep->zTarget);
     iDb = sqlite3SchemaToIndex(db, pStep->pTrig->pSchema);
     if( iDb==0 || iDb>=2 ){
+      const char *zDb;
       assert( iDb<db->nDb );
-      pSrc->a[pSrc->nSrc-1].zDatabase = sqlite3DbStrDup(db, db->aDb[iDb].zName);
+      zDb = db->aDb[iDb].zDbSName;
+      pSrc->a[pSrc->nSrc-1].zDatabase =  sqlite3DbStrDup(db, zDb);
     }
   }
   return pSrc;
diff --git a/src/update.c b/src/update.c
index 143650126..15e58e34c 100644
--- a/src/update.c
+++ b/src/update.c
@@ -249,7 +249,7 @@ void sqlite3Update(
       int rc;
       rc = sqlite3AuthCheck(pParse, SQLITE_UPDATE, pTab->zName,
                             j<0 ? "ROWID" : pTab->aCol[j].zName,
-                            db->aDb[iDb].zName);
+                            db->aDb[iDb].zDbSName);
       if( rc==SQLITE_DENY ){
         goto update_cleanup;
       }else if( rc==SQLITE_IGNORE ){
diff --git a/src/vacuum.c b/src/vacuum.c
index b72663c06..eb07664c8 100644
--- a/src/vacuum.c
+++ b/src/vacuum.c
@@ -173,7 +173,7 @@ int sqlite3RunVacuum(char **pzErrMsg, sqlite3 *db){
   rc = execSql(db, pzErrMsg, zSql);
   if( db->nDb>nDb ){
     pDb = &db->aDb[db->nDb-1];
-    assert( strcmp(pDb->zName,"vacuum_db")==0 );
+    assert( strcmp(pDb->zDbSName,"vacuum_db")==0 );
   }
   if( rc!=SQLITE_OK ) goto end_of_vacuum;
   pTemp = db->aDb[db->nDb-1].pBt;
diff --git a/src/vdbe.c b/src/vdbe.c
index 5d21ad064..e8fd26f5c 100644
--- a/src/vdbe.c
+++ b/src/vdbe.c
@@ -4346,7 +4346,7 @@ case OP_InsertInt: {
   if( pOp->p4type==P4_TABLE && HAS_UPDATE_HOOK(db) ){
     assert( pC->isTable );
     assert( pC->iDb>=0 );
-    zDb = db->aDb[pC->iDb].zName;
+    zDb = db->aDb[pC->iDb].zDbSName;
     pTab = pOp->p4.pTab;
     assert( HasRowid(pTab) );
     op = ((pOp->p5 & OPFLAG_ISUPDATE) ? SQLITE_UPDATE : SQLITE_INSERT);
@@ -4463,7 +4463,7 @@ case OP_Delete: {
   if( pOp->p4type==P4_TABLE && HAS_UPDATE_HOOK(db) ){
     assert( pC->iDb>=0 );
     assert( pOp->p4.pTab!=0 );
-    zDb = db->aDb[pC->iDb].zName;
+    zDb = db->aDb[pC->iDb].zDbSName;
     pTab = pOp->p4.pTab;
     if( (pOp->p5 & OPFLAG_SAVEPOSITION)!=0 && pC->isTable ){
       pC->movetoTarget = sqlite3BtreeIntegerKey(pC->uc.pCursor);
@@ -5433,7 +5433,7 @@ case OP_ParseSchema: {
     initData.pzErrMsg = &p->zErrMsg;
     zSql = sqlite3MPrintf(db,
        "SELECT name, rootpage, sql FROM '%q'.%s WHERE %s ORDER BY rowid",
-       db->aDb[iDb].zName, zMaster, pOp->p4.z);
+       db->aDb[iDb].zDbSName, zMaster, pOp->p4.z);
     if( zSql==0 ){
       rc = SQLITE_NOMEM_BKPT;
     }else{
@@ -6817,7 +6817,7 @@ case OP_Init: {          /* jump */
     int i;
     for(i=0; i<db->nDb; i++){
       if( DbMaskTest(p->btreeMask, i)==0 ) continue;
-      sqlite3_file_control(db, db->aDb[i].zName, SQLITE_FCNTL_TRACE, zTrace);
+      sqlite3_file_control(db, db->aDb[i].zDbSName, SQLITE_FCNTL_TRACE, zTrace);
     }
   }
 #endif /* SQLITE_USE_FCNTL_TRACE */
diff --git a/src/vdbeapi.c b/src/vdbeapi.c
index b17c0e0a4..3d36413bc 100644
--- a/src/vdbeapi.c
+++ b/src/vdbeapi.c
@@ -499,7 +499,7 @@ static int doWalCallbacks(sqlite3 *db){
       nEntry = sqlite3PagerWalCallback(sqlite3BtreePager(pBt));
       sqlite3BtreeLeave(pBt);
       if( db->xWalCallback && nEntry>0 && rc==SQLITE_OK ){
-        rc = db->xWalCallback(db->pWalArg, db, db->aDb[i].zName, nEntry);
+        rc = db->xWalCallback(db->pWalArg, db, db->aDb[i].zDbSName, nEntry);
       }
     }
   }
diff --git a/src/vdbeblob.c b/src/vdbeblob.c
index 01827f94d..570e253fd 100644
--- a/src/vdbeblob.c
+++ b/src/vdbeblob.c
@@ -176,7 +176,7 @@ int sqlite3_blob_open(
       goto blob_open_out;
     }
     pBlob->pTab = pTab;
-    pBlob->zDb = db->aDb[sqlite3SchemaToIndex(db, pTab->pSchema)].zName;
+    pBlob->zDb = db->aDb[sqlite3SchemaToIndex(db, pTab->pSchema)].zDbSName;
 
     /* Now search pTab for the exact column. */
     for(iCol=0; iCol<pTab->nCol; iCol++) {
diff --git a/src/vtab.c b/src/vtab.c
index 45c5e79ab..53800dd40 100644
--- a/src/vtab.c
+++ b/src/vtab.c
@@ -344,7 +344,7 @@ void sqlite3VtabBeginParse(
   */
   if( pTable->azModuleArg ){
     sqlite3AuthCheck(pParse, SQLITE_CREATE_VTABLE, pTable->zName, 
-            pTable->azModuleArg[0], pParse->db->aDb[iDb].zName);
+            pTable->azModuleArg[0], pParse->db->aDb[iDb].zDbSName);
   }
 #endif
 }
@@ -408,7 +408,7 @@ void sqlite3VtabFinishParse(Parse *pParse, Token *pEnd){
       "UPDATE %Q.%s "
          "SET type='table', name=%Q, tbl_name=%Q, rootpage=0, sql=%Q "
        "WHERE rowid=#%d",
-      db->aDb[iDb].zName, SCHEMA_TABLE(iDb),
+      db->aDb[iDb].zDbSName, SCHEMA_TABLE(iDb),
       pTab->zName,
       pTab->zName,
       zStmt,
@@ -518,7 +518,7 @@ static int vtabCallConstructor(
   pVTable->pMod = pMod;
 
   iDb = sqlite3SchemaToIndex(db, pTab->pSchema);
-  pTab->azModuleArg[1] = db->aDb[iDb].zName;
+  pTab->azModuleArg[1] = db->aDb[iDb].zDbSName;
 
   /* Invoke the virtual table constructor */
   assert( &db->pVtabCtx );
@@ -682,7 +682,7 @@ int sqlite3VtabCallCreate(sqlite3 *db, int iDb, const char *zTab, char **pzErr){
   Module *pMod;
   const char *zMod;
 
-  pTab = sqlite3FindTable(db, zTab, db->aDb[iDb].zName);
+  pTab = sqlite3FindTable(db, zTab, db->aDb[iDb].zDbSName);
   assert( pTab && (pTab->tabFlags & TF_Virtual)!=0 && !pTab->pVTable );
 
   /* Locate the required virtual table module */
@@ -806,7 +806,7 @@ int sqlite3VtabCallDestroy(sqlite3 *db, int iDb, const char *zTab){
   int rc = SQLITE_OK;
   Table *pTab;
 
-  pTab = sqlite3FindTable(db, zTab, db->aDb[iDb].zName);
+  pTab = sqlite3FindTable(db, zTab, db->aDb[iDb].zDbSName);
   if( pTab!=0 && ALWAYS(pTab->pVTable!=0) ){
     VTable *p;
     int (*xDestroy)(sqlite3_vtab *);