Fix FTS3 so that it does not run illegal SQL and cause a spurious log

message.  Ticket [42d45a693e6].

FossilOrigin-Name: f186b6a61909be1d65b76a6fbaa42f57bbd0d1e5

ext/fts3/fts3.c

@@ -600,6 +600,14 @@ static int fts3CreateTables(Fts3Table *p){
   return rc;
 }
 
+/*
+** An sqlite3_exec() callback for fts3TableExists.
+*/
+static int fts3TableExistsCallback(void *pArg, int n, char **pp1, char **pp2){
+  *(int*)pArg = 1;
+  return 1;
+}
+
 /*
 ** Determine if a table currently exists in the database.
 */
@@ -612,10 +620,17 @@ static void fts3TableExists(
   u8 *pResult           /* Write results here */
 ){
   int rc = SQLITE_OK;
+  int res = 0;
+  char *zSql;
   if( *pRc ) return;
-  fts3DbExec(&rc, db, "SELECT 1 FROM %Q.'%q%s'", zDb, zName, zSuffix);
-  *pResult = (rc==SQLITE_OK) ? 1 : 0;
-  if( rc!=SQLITE_ERROR ) *pRc = rc;
+  zSql = sqlite3_mprintf(
+    "SELECT 1 FROM %Q.sqlite_master WHERE name='%q%s'",
+    zDb, zName, zSuffix
+  );    
+  rc = sqlite3_exec(db, zSql, fts3TableExistsCallback, &res, 0);
+  sqlite3_free(zSql);
+  *pResult = res & 0xff;
+  if( rc!=SQLITE_ABORT ) *pRc = rc;
 }
 
 /*
@@ -2553,13 +2568,11 @@ int sqlite3Fts3Init(sqlite3 *db){
     rc = sqlite3_create_module_v2(
         db, "fts3", &fts3Module, (void *)pHash, hashDestroy
     );
-#if 0 /* FTS4 is disabled in 3.6.23 since it is not yet ready for publication */
     if( rc==SQLITE_OK ){
       rc = sqlite3_create_module_v2(
           db, "fts4", &fts3Module, (void *)pHash, 0
       );
     }
-#endif /* disable FTS4 */
     return rc;
   }
 

manifest

@@ -1,8 +1,8 @@
 -----BEGIN PGP SIGNED MESSAGE-----
 Hash: SHA1
 
-C Store\sthe\sdatabase\ssize\sin\spages\sin\sbytes\s28..31\sof\sthe\sheader.\s\sCurrently\nthis\sis\sfor\sforensic\suse\sonly,\sbut\sit\smight\sbe\sused\sin\sthe\sfuture.
-D 2010-03-13T02:15:49
+C Fix\sFTS3\sso\sthat\sit\sdoes\snot\srun\sillegal\sSQL\sand\scause\sa\sspurious\slog\nmessage.\s\sTicket\s[42d45a693e6].
+D 2010-03-15T19:27:56
 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
 F Makefile.in 4f2f967b7e58a35bb74fb7ec8ae90e0f4ca7868b
 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -59,7 +59,7 @@ F ext/fts2/mkfts2amal.tcl 974d5d438cb3f7c4a652639262f82418c1e4cff0
 F ext/fts3/README.syntax a19711dc5458c20734b8e485e75fb1981ec2427a
 F ext/fts3/README.tokenizers 998756696647400de63d5ba60e9655036cb966e9
 F ext/fts3/README.txt 8c18f41574404623b76917b9da66fcb0ab38328d
-F ext/fts3/fts3.c dea6740e642a71f32cce37935b7bab95fb29f4ac
+F ext/fts3/fts3.c 54d3c2273c1ef7928f8a77b2dff0b6736e5b8f6b
 F ext/fts3/fts3.h 3a10a0af180d502cecc50df77b1b22df142817fe
 F ext/fts3/fts3Int.h df812ef35f1b47a44ec68a44ec0c2a769c973d85
 F ext/fts3/fts3_expr.c f4ff02ebe854e97ac03ff00b38b728a9ab57fd4b
@@ -118,7 +118,7 @@ F src/btreeInt.h 71ed5e7f009caf17b7dc304350b3cb64b5970135
 F src/build.c 11100b66fb97638d2d874c1d34d8db90650bb1d7
 F src/callback.c 908f3e0172c3d4058f4ca0acd42c637c52e9669f
 F src/complete.c dc1d136c0feee03c2f7550bafc0d29075e36deac
-F src/ctime.c 675186d89e0e6c028390b6c75d5356beffb669d4
+F src/ctime.c ceb247eb31620bba66a94c3f697db489a1652353
 F src/date.c 485a4409a384310e6d93fd1104a9d0a8658becd9
 F src/delete.c 610dc008e88a9599f905f5cbe9577ac9c36e0581
 F src/expr.c 6baed2a0448d494233d9c0a610eea018ab386a32
@@ -796,14 +796,14 @@ F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
 F tool/vdbe-compress.tcl d70ea6d8a19e3571d7ab8c9b75cba86d1173ff0f
-P c2af2164cf7b279ebb3e08201561348be6e765df
-R d4036b1876ef9037b9a7026f7622970f
+P 59f75bba028e1107ed41d447c27aef31a6656b68
+R 1f89c10b36338422510ff672b0f80d2d
 U drh
-Z cefe55d8054e3e1cb0316576971b492f
+Z 6cc5c3980c33b9c6deb66707a1aeeba9
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 Version: GnuPG v1.4.6 (GNU/Linux)
 
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-=rxVW
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+=rlq/
 -----END PGP SIGNATURE-----

manifest.uuid

@@ -1 +1 @@
-59f75bba028e1107ed41d447c27aef31a6656b68
+f186b6a61909be1d65b76a6fbaa42f57bbd0d1e5

src/ctime.c

@@ -84,11 +84,9 @@ static const char * const azCompileOpt[] = {
 #ifdef SQLITE_ENABLE_FTS3_PARENTHESIS
   "ENABLE_FTS3_PARENTHESIS",
 #endif
-#if 0 /* Disabled because FTS4 is not ready for publication */
 #ifdef SQLITE_ENABLE_FTS4
   "ENABLE_FTS4",
 #endif
-#endif
 #ifdef SQLITE_ENABLE_ICU
   "ENABLE_ICU",
 #endif