Remove the unused xRename() method from the sqlite3_vfs object.

Add better documentation on the xCurrentTimeInt64() method.

FossilOrigin-Name: 51ec0e5432dd6849b83a3d969a018482eb3bb083

manifest

@@ -1,5 +1,8 @@
-C Further\schanges\sto\stest\sscripts\sso\sthat\sthe\s"inmemory_journal"\spermutation\sworks.
+-----BEGIN PGP SIGNED MESSAGE-----
-D 2010-07-03T16:37:45
+Hash: SHA1
+
+C Remove\sthe\sunused\sxRename()\smethod\sfrom\sthe\ssqlite3_vfs\sobject.\nAdd\sbetter\sdocumentation\son\sthe\sxCurrentTimeInt64()\smethod.
+D 2010-07-03T17:13:32
 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
 F Makefile.in a5cad1f8f3e021356bfcc6c77dc16f6f1952bbc3
 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -154,8 +157,8 @@ F src/os.c c34882169b2f8ee0942c4f6aff9ee705e6110cdf
 F src/os.h d7775504a51e6e0d40315aa427b3e229ff9ff9ca
 F src/os_common.h a8f95b81eca8a1ab8593d23e94f8a35f35d4078f
 F src/os_os2.c 665876d5eec7585226b0a1cf5e18098de2b2da19
-F src/os_unix.c d7910391a4c9fa6898f7c9abbbb821d5d7edb78f
+F src/os_unix.c c6112f0ae34f23ae5ca0189a685e084befbdcf26
-F src/os_win.c dd4c6f238fe464e01dab5e4bc9158187ae305fe8
+F src/os_win.c 883caa09d8cf7c4dfdef6eba6930466cb8a8275c
 F src/pager.c e4470e43f0fefe5f81034efb706a2b1f4db5ca41
 F src/pager.h 879fdde5a102d2f21a3135d6f647530b21c2796c
 F src/parse.y ace5c7a125d9f2a410e431ee3209034105045f7e
@@ -170,7 +173,7 @@ F src/resolve.c 1c0f32b64f8e3f555fe1f732f9d6f501a7f05706
 F src/rowset.c 69afa95a97c524ba6faf3805e717b5b7ae85a697
 F src/select.c 4903ff1bbd08b55cbce00ea43c645530de41b362
 F src/shell.c fd4ccdb37c3b68de0623eb938a649e0990710714
-F src/sqlite.h.in 301476d8556cbb1c5d4bc906370b2dafe4d98a44
+F src/sqlite.h.in 26bcfc3084a2e4b4debba311c59ae434820c8e98
 F src/sqlite3ext.h 69dfb8116af51b84a029cddb3b35062354270c89
 F src/sqliteInt.h 242987ebd2366ea36650a09cdab04a9163c62109
 F src/sqliteLimit.h 196e2f83c3b444c4548fc1874f52f84fdbda40f3
@@ -182,7 +185,7 @@ F src/test2.c e3f564ab1e9fd0b47b0c9e23e7054e38bf0836cf
 F src/test3.c 4c21700c73a890a47fc685c1097bfb661346ac94
 F src/test4.c ad03bb987ddedce928f4258c1e7fa4109a73497d
 F src/test5.c cc55900118fa4add8ec9cf69fc4225a4662f76b1
-F src/test6.c 44e0a99e8bb43c924ff6cdfb1f6e6de10450b7fe
+F src/test6.c e7f71216e4da6fdafbc571c34401d2ef91f58bb7
 F src/test7.c 3f2d63e4ccf97f8c2cf1a7fa0a3c8e2e2a354e6e
 F src/test8.c f959db9a22d882013b64c92753fa793b2ce3bdea
 F src/test9.c bea1e8cf52aa93695487badedd6e1886c321ea60
@@ -192,24 +195,24 @@ F src/test_backup.c c129c91127e9b46e335715ae2e75756e25ba27de
 F src/test_btree.c 47cd771250f09cdc6e12dda5bc71bc0b3abc96e2
 F src/test_config.c 6210f501d358bde619ae761f06f123529c6ba24f
 F src/test_demovfs.c da81a5f7785bb352bda7911c332a983ec4f17f27
-F src/test_devsym.c 41e6b76f74f292cbb581020dc70b72e7c2813d68
+F src/test_devsym.c 5a99203fb7ff43047d7e493d1b159585983d4ea6
 F src/test_func.c 13b582345fb1185a93e46c53310fae8547dcce20
 F src/test_hexio.c 1237f000ec7a491009b1233f5c626ea71bce1ea2
 F src/test_init.c 5d624ffd0409d424cf9adbfe1f056b200270077c
 F src/test_intarray.c d879bbf8e4ce085ab966d1f3c896a7c8b4f5fc99
 F src/test_intarray.h 489edb9068bb926583445cb02589344961054207
-F src/test_journal.c 044c1a53ec4dd6f0dde66727b154cd099f5f34d1
+F src/test_journal.c 424a334cdfdc8a6f975abe3641440147bded3185
 F src/test_loadext.c df586c27176e3c2cb2e099c78da67bf14379a56e
 F src/test_malloc.c 4ab85f2b8ae3a237f4e6557b0a641181a19ffab1
 F src/test_mutex.c ce06b59aca168cd8c520b77159a24352a7469bd3
-F src/test_onefile.c fb979cecd57217fd49023ed5468d8c93429c4fbe
+F src/test_onefile.c 701553cecc466c13fbebdb27cc7022839512f7bd
-F src/test_osinst.c f1e4194860aa7e2f2ed7375c6b1f23a4290dd98c
+F src/test_osinst.c 700a39f4b7d3959fb65b1a97a5503a9b6d952c6b
 F src/test_pcache.c 7bf828972ac0d2403f5cfa4cd14da41f8ebe73d8
 F src/test_schema.c 8c06ef9ddb240c7a0fcd31bc221a6a2aade58bf0
 F src/test_server.c bbba05c144b5fc4b52ff650a4328027b3fa5fcc6
 F src/test_tclvar.c f4dc67d5f780707210d6bb0eb6016a431c04c7fa
 F src/test_thread.c aa9919c885a1fe53eafc73492f0898ee6c0a0726
-F src/test_vfs.c f7e4d92be80bcc885123f0b1733672c71d1708ac
+F src/test_vfs.c bea0f0bdee9b033a62d057bf3451c25760b0414d
 F src/test_wsd.c 41cadfd9d97fe8e3e4e44f61a4a8ccd6f7ca8fe9
 F src/tokenize.c 25ceb0f0a746ea1d0f9553787f3f0a56853cfaeb
 F src/trigger.c 67e95c76d625b92d43409ace771c8e0d02a09ac2
@@ -830,7 +833,14 @@ F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
 F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
-P 3b20ad03be55613d922d81aec5313327bf4098b9
+P 50f2f7dfd64f610982525fd7a0dd7c1ade67bebb
-R c5dbcd1471973b071f8e3d38ae4f1982
+R 477818314ab9a6d00010b5c5e4489546
-U dan
+U drh
-Z a22d0cca6dbea15a214512ee92ecd989
+Z cab31017dffc51bf4ac4822d04e694ee
+-----BEGIN PGP SIGNATURE-----
+Version: GnuPG v1.4.6 (GNU/Linux)
+
+iD8DBQFML2+/oxKgR168RlERArECAJ4of40v91fn+xAS8loTcFI9dK2gmwCeO1af
+zthyzL3fn2DSmXLpH61iQHM=
+=pc51
+-----END PGP SIGNATURE-----

manifest.uuid

@@ -1 +1 @@
-50f2f7dfd64f610982525fd7a0dd7c1ade67bebb
+51ec0e5432dd6849b83a3d969a018482eb3bb083

src/os_unix.c

@@ -6084,7 +6084,6 @@ int sqlite3_os_init(void){
     unixSleep,            /* xSleep */                      \
     unixCurrentTime,      /* xCurrentTime */                \
     unixGetLastError,     /* xGetLastError */               \
-    0,                    /* xRename */                     \
     unixCurrentTimeInt64, /* xCurrentTimeInt64 */           \
   }
 

src/os_win.c

@@ -2478,7 +2478,6 @@ int sqlite3_os_init(void){
     winSleep,            /* xSleep */
     winCurrentTime,      /* xCurrentTime */
     winGetLastError,     /* xGetLastError */
-    0,                   /* xRename */
     winCurrentTimeInt64, /* xCurrentTimeInt64 */
   };
 

src/sqlite.h.in

@@ -827,16 +827,23 @@ typedef struct sqlite3_mutex sqlite3_mutex;
 ** handled as a fatal error by SQLite, vfs implementations should endeavor
 ** to prevent this by setting mxPathname to a sufficiently large value.
 **
-** The xRandomness(), xSleep(), and xCurrentTime() interfaces
+** The xRandomness(), xSleep(), xCurrentTime(), and xCurrentTimeInt64()
-** are not strictly a part of the filesystem, but they are
+** interfaces are not strictly a part of the filesystem, but they are
 ** included in the VFS structure for completeness.
 ** The xRandomness() function attempts to return nBytes bytes
 ** of good-quality randomness into zOut.  The return value is
 ** the actual number of bytes of randomness obtained.
 ** The xSleep() method causes the calling thread to sleep for at
 ** least the number of microseconds given.  The xCurrentTime()
-** method returns a Julian Day Number for the current date and time.
+** method returns a Julian Day Number for the current date and time as
-**
+** a floating point value.
+** The xCurrentTimeInt64() method returns, as an integer, the Julian
+** Day Number multipled by 86400000 (the number of milliseconds in 
+** a 24-hour day).  
+** ^SQLite will use the xCurrentTimeInt64() method to get the current
+** date and time if that method is available (if iVersion is 2 or 
+** greater and the function pointer is not NULL) and will fall back
+** to xCurrentTime() if xCurrentTimeInt64() is unavailable.
 */
 typedef struct sqlite3_vfs sqlite3_vfs;
 struct sqlite3_vfs {
@@ -863,7 +870,6 @@ struct sqlite3_vfs {
   ** The methods above are in version 1 of the sqlite_vfs object
   ** definition.  Those that follow are added in version 2 or later
   */
-  int (*xRename)(sqlite3_vfs*, const char *zOld, const char *zNew, int dirSync);
   int (*xCurrentTimeInt64)(sqlite3_vfs*, sqlite3_int64*);
   /*
   ** The methods above are in versions 1 and 2 of the sqlite_vfs object.

src/test6.c

@@ -813,7 +813,6 @@ static int crashEnableCmd(
     cfSleep,              /* xSleep */
     cfCurrentTime,        /* xCurrentTime */
     0,                    /* xGetlastError */
-    0,                    /* xRename */
     0,                    /* xCurrentTimeInt64 */
   };
 

src/test_devsym.c

@@ -99,7 +99,6 @@ static sqlite3_vfs devsym_vfs = {
   devsymSleep,              /* xSleep */
   devsymCurrentTime,        /* xCurrentTime */
   0,                        /* xGetLastError */
-  0,                        /* xRename */
   0                         /* xCurrentTimeInt64 */
 };
 

src/test_journal.c

@@ -182,7 +182,6 @@ static sqlite3_vfs jt_vfs = {
   jtSleep,                       /* xSleep */
   jtCurrentTime,                 /* xCurrentTime */
   0,                             /* xGetLastError */
-  0,                             /* xRename */
   jtCurrentTimeInt64             /* xCurrentTimeInt64 */
 };
 

src/test_onefile.c

@@ -199,7 +199,6 @@ static fs_vfs_t fs_vfs = {
     fsRandomness,                               /* xRandomness */
     fsSleep,                                    /* xSleep */
     fsCurrentTime,                              /* xCurrentTime */
-    0,                                          /* xRename */
     0                                           /* xCurrentTimeInt64 */
   }, 
   0,                                            /* pFileList */

src/test_osinst.c

@@ -22,7 +22,7 @@
 ** overhead introduced into the application by logging.
 **
 ** All calls on sqlite3_file objects except xFileControl() are logged.
-** Additionally, calls to the xAccess(), xOpen(), xDelete() and xRename() 
+** Additionally, calls to the xAccess(), xOpen(), and xDelete()
 ** methods are logged. The other sqlite3_vfs object methods (xDlXXX,
 ** xRandomness, xSleep, xCurrentTime, xGetLastError and xCurrentTimeInt64) 
 ** are not logged.
@@ -171,7 +171,6 @@ static int vfslogSleep(sqlite3_vfs*, int microseconds);
 static int vfslogCurrentTime(sqlite3_vfs*, double*);
 
 static int vfslogGetLastError(sqlite3_vfs*, int, char *);
-static int vfslogRename(sqlite3_vfs*, const char *, const char *, int);
 static int vfslogCurrentTimeInt64(sqlite3_vfs*, sqlite3_int64*);
 
 static sqlite3_vfs vfslog_vfs = {
@@ -193,7 +192,6 @@ static sqlite3_vfs vfslog_vfs = {
   vfslogSleep,                    /* xSleep */
   vfslogCurrentTime,              /* xCurrentTime */
   vfslogGetLastError,             /* xGetLastError */
-  vfslogRename,                   /* xRename */
   vfslogCurrentTimeInt64          /* xCurrentTime */
 };
 
@@ -616,9 +614,6 @@ static int vfslogCurrentTime(sqlite3_vfs *pVfs, double *pTimeOut){
 static int vfslogGetLastError(sqlite3_vfs *pVfs, int a, char *b){
   return REALVFS(pVfs)->xGetLastError(REALVFS(pVfs), a, b);
 }
-static int vfslogRename(sqlite3_vfs *pVfs, const char *a, const char *b, int c){
-  return REALVFS(pVfs)->xRename(REALVFS(pVfs), a, b, c);
-}
 static int vfslogCurrentTimeInt64(sqlite3_vfs *pVfs, sqlite3_int64 *p){
   return REALVFS(pVfs)->xCurrentTimeInt64(REALVFS(pVfs), p);
 }

src/test_vfs.c

@@ -1296,8 +1296,7 @@ static int testvfs_cmd(
     tvfsSleep,                    /* xSleep */
     tvfsCurrentTime,              /* xCurrentTime */
     0,                            /* xGetLastError */
-    0,
+    0,                            /* xCurrentTimeInt64 */
-    0,
   };
 
   Testvfs *p;                     /* New object */