In the CLI in the ".dump" command, do not attempt to clear the sqlite_sequence

table until the first row of content of that table is seen.  Ticket #3867 (CVS 6664)

FossilOrigin-Name: bedd5ad1942021ef2b3defde3ff3e8aead86137e

manifest

@@ -1,5 +1,5 @@
-C In\sthe\sCLI,\salways\s"dump"\sthe\ssqlite_sequence\stable\slast.\s\sTicket\s#3867\s(CVS\s6663)
+C In\sthe\sCLI\sin\sthe\s".dump"\scommand,\sdo\snot\sattempt\sto\sclear\sthe\ssqlite_sequence\ntable\suntil\sthe\sfirst\srow\sof\scontent\sof\sthat\stable\sis\sseen.\s\sTicket\s#3867\s(CVS\s6664)
-D 2009-05-21T14:51:03
+D 2009-05-21T15:15:01
 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
 F Makefile.in 583e87706abc3026960ed759aff6371faf84c211
 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -159,7 +159,7 @@ F src/random.c 676b9d7ac820fe81e6fb2394ac8c10cff7f38628
 F src/resolve.c 2ce8f8bc8a0c913cbaec3fb3da2be113ea1fa5af
 F src/rowset.c 14d12b5e81b5907b87d511f6f4219805f96a4b55
 F src/select.c 88e654ab5b183e4fdb084680b66b5bfa6f214dc5
-F src/shell.c 7d20ab57cac411a4798335ede7d8d292cb2d2d4c
+F src/shell.c 7eacd0bdaa887931f5ff205c9defc3e8df95a2dd
 F src/sqlite.h.in 0c459a45c1047be24c6a58646e8be4d001a3a28a
 F src/sqlite3ext.h 1db7d63ab5de4b3e6b83dd03d1a4e64fef6d2a17
 F src/sqliteInt.h b4cc76a99bc82894703528376067c743eb27184c
@@ -729,7 +729,7 @@ F tool/speedtest16.c c8a9c793df96db7e4933f0852abb7a03d48f2e81
 F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
 F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
-P e4d1b117c90dca341bfa74291c7dfc2afca38cc6
+P a0028d4808275cb1d020d56344d90b2a04603f4d
-R 15bc7524b83192070e8332740e3dd7dd
+R a6c6ee687310ceffc123f04a82263b69
 U drh
-Z 80201cfb6f117152d032ea15d9f61e5f
+Z 3221b6689b30d8e2afed14ae03e93796

manifest.uuid

@@ -1 +1 @@
-a0028d4808275cb1d020d56344d90b2a04603f4d
+bedd5ad1942021ef2b3defde3ff3e8aead86137e

src/shell.c

@@ -12,7 +12,7 @@
 ** This file contains code to implement the "sqlite" command line
 ** utility for accessing SQLite databases.
 **
-** $Id: shell.c,v 1.208 2009/05/21 14:51:03 drh Exp $
+** $Id: shell.c,v 1.209 2009/05/21 15:15:01 drh Exp $
 */
 #if defined(_WIN32) || defined(WIN32)
 /* This needs to come before any includes for MSVC compiler */
@@ -1644,7 +1644,12 @@ static char *appendText(char *zIn, char const *zAppend, char quote){
 ** This is used, for example, to show the schema of the database by
 ** querying the SQLITE_MASTER table.
 */
-static int run_table_dump_query(FILE *out, sqlite3 *db, const char *zSelect){
+static int run_table_dump_query(
+  FILE *out,              /* Send output here */
+  sqlite3 *db,            /* Database to query */
+  const char *zSelect,    /* SELECT statement to extract content */
+  const char *zFirstRow   /* Print before first row, if not NULL */
+){
   sqlite3_stmt *pSelect;
   int rc;
   rc = sqlite3_prepare(db, zSelect, -1, &pSelect, 0);
@@ -1653,6 +1658,10 @@ static int run_table_dump_query(FILE *out, sqlite3 *db, const char *zSelect){
   }
   rc = sqlite3_step(pSelect);
   while( rc==SQLITE_ROW ){
+    if( zFirstRow ){
+      fprintf(out, "%s", zFirstRow);
+      zFirstRow = 0;
+    }
     fprintf(out, "%s;\n", sqlite3_column_text(pSelect, 0));
     rc = sqlite3_step(pSelect);
   }
@@ -1671,6 +1680,7 @@ static int dump_callback(void *pArg, int nArg, char **azArg, char **azCol){
   const char *zTable;
   const char *zType;
   const char *zSql;
+  const char *zPrepStmt = 0;
   struct callback_data *p = (struct callback_data *)pArg;
 
   UNUSED_PARAMETER(azCol);
@@ -1680,7 +1690,7 @@ static int dump_callback(void *pArg, int nArg, char **azArg, char **azCol){
   zSql = azArg[2];
   
   if( strcmp(zTable, "sqlite_sequence")==0 ){
-    fprintf(p->out, "DELETE FROM sqlite_sequence;\n");
+    zPrepStmt = "DELETE FROM sqlite_sequence;\n";
   }else if( strcmp(zTable, "sqlite_stat1")==0 ){
     fprintf(p->out, "ANALYZE sqlite_master;\n");
   }else if( strncmp(zTable, "sqlite_", 7)==0 ){
@@ -1707,13 +1717,14 @@ static int dump_callback(void *pArg, int nArg, char **azArg, char **azCol){
     char *zSelect = 0;
     char *zTableInfo = 0;
     char *zTmp = 0;
+    int nRow = 0;
    
     zTableInfo = appendText(zTableInfo, "PRAGMA table_info(", 0);
     zTableInfo = appendText(zTableInfo, zTable, '"');
     zTableInfo = appendText(zTableInfo, ");", 0);
 
     rc = sqlite3_prepare(p->db, zTableInfo, -1, &pTableInfo, 0);
-    if( zTableInfo ) free(zTableInfo);
+    free(zTableInfo);
     if( rc!=SQLITE_OK || !pTableInfo ){
       return 1;
     }
@@ -1735,19 +1746,20 @@ static int dump_callback(void *pArg, int nArg, char **azArg, char **azCol){
       }else{
         zSelect = appendText(zSelect, ") ", 0);
       }
+      nRow++;
     }
     rc = sqlite3_finalize(pTableInfo);
-    if( rc!=SQLITE_OK ){
+    if( rc!=SQLITE_OK || nRow==0 ){
-      if( zSelect ) free(zSelect);
+      free(zSelect);
       return 1;
     }
     zSelect = appendText(zSelect, "|| ')' FROM  ", 0);
     zSelect = appendText(zSelect, zTable, '"');
 
-    rc = run_table_dump_query(p->out, p->db, zSelect);
+    rc = run_table_dump_query(p->out, p->db, zSelect, zPrepStmt);
     if( rc==SQLITE_CORRUPT ){
       zSelect = appendText(zSelect, " ORDER BY rowid DESC", 0);
-      rc = run_table_dump_query(p->out, p->db, zSelect);
+      rc = run_table_dump_query(p->out, p->db, zSelect, 0);
     }
     if( zSelect ) free(zSelect);
   }
@@ -2088,7 +2100,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
       );
       run_table_dump_query(p->out, p->db,
         "SELECT sql FROM sqlite_master "
-        "WHERE sql NOT NULL AND type IN ('index','trigger','view')"
+        "WHERE sql NOT NULL AND type IN ('index','trigger','view')", 0
       );
     }else{
       int i;
@@ -2102,7 +2114,7 @@ static int do_meta_command(char *zLine, struct callback_data *p){
           "SELECT sql FROM sqlite_master "
           "WHERE sql NOT NULL"
           "  AND type IN ('index','trigger','view')"
-          "  AND tbl_name LIKE shellstatic()"
+          "  AND tbl_name LIKE shellstatic()", 0
         );
         zShellStatic = 0;
       }