Import SQLite 3.10.2.

third_party/sqlite/src/ext/fts3/tool/fts3view.c

 /*
 ** This program is a debugging and analysis utility that displays
 ** information about an FTS3 or FTS4 index.
 **
 ** Link this program against the SQLite3 amalgamation with the
 ** SQLITE_ENABLE_FTS4 compile-time option.  Then run it as:
 **
 **    fts3view DATABASE
 **
 ** to get a list of all FTS3/4 tables in DATABASE, or do
@@ skipping 380 matching lines @@
            "       count(distinct idx)"
            "  FROM (SELECT length(a.block) AS len, idx"
            "          FROM '%q_segments' a JOIN '%q_segdir' b"
            "         WHERE (a.blockid BETWEEN b.start_block"
                                        " AND b.leaves_end_block)"
            "           AND (b.level%%1024)==%d)",
            pgsz-45, zTab, zTab, i);
     if( sqlite3_step(pStmt)==SQLITE_ROW
      && (nLeaf = sqlite3_column_int(pStmt, 0))>0
     ){
-      int nIdx = sqlite3_column_int(pStmt, 5);
+      nIdx = sqlite3_column_int(pStmt, 5);
       sqlite3_int64 sz;
       printf("For level %d:\n", i);
       printf("  Number of indexes...................... %9d\n", nIdx);
       printf("  Number of leaf segments................ %9d\n", nLeaf);
       if( nIdx>1 ){
         printf("  Average leaf segments per index........ %11.1f\n",
                (double)nLeaf/(double)nIdx);
       }
       printf("  Total size of all leaf segments........ %9lld\n",
              (sz = sqlite3_column_int64(pStmt, 1)));
@@ skipping 85 matching lines @@
       if( iLevel!=prevLevel ){
         printf("level %2d idx %2d", iLevel, iIdx);
         prevLevel = iLevel;
       }else{
         printf("         idx %2d", iIdx);
       }
       sqlite3_snprintf(sizeof(rtag), rtag, "r%lld",
                        sqlite3_column_int64(pStmt,5));
       printf("  root   %9s\n", rtag);
       if( iLEnd>iStart ){
-        sqlite3_int64 iLower, iPrev, iX;
+        sqlite3_int64 iLower, iPrev = 0, iX;
         if( iLEnd+1<=iEnd ){
           sqlite3_bind_int64(pStmt2, 1, iLEnd+1);
           sqlite3_bind_int64(pStmt2, 2, iEnd);
           iLower = -1;        
           while( sqlite3_step(pStmt2)==SQLITE_ROW ){
             iX = sqlite3_column_int64(pStmt2, 0);
             if( iLower<0 ){
               iLower = iPrev = iX;
             }else if( iX==iPrev+1 ){
               iPrev = iX;
@@ skipping 23 matching lines @@
   sqlite3_finalize(pStmt2);
 }
 
 /*
 ** Decode a single segment block and display the results on stdout.
 */
 static void decodeSegment(
   const unsigned char *aData,   /* Content to print */
   int nData                     /* Number of bytes of content */
 ){
-  sqlite3_int64 iChild;
+  sqlite3_int64 iChild = 0;
   sqlite3_int64 iPrefix;
   sqlite3_int64 nTerm;
   sqlite3_int64 n;
   sqlite3_int64 iDocsz;
   int iHeight;
   sqlite3_int64 i = 0;
   int cnt = 0;
   char zTerm[1000];
 
   i += getVarint(aData, &n);
@@ skipping 304 matching lines @@
     showSegmentStats(db, zTab);
   }else if( strcmp(zCmd,"stat")==0 ){
     showStat(db, zTab);
   }else if( strcmp(zCmd,"vocabulary")==0 ){
     showVocabulary(db, zTab);
   }else{
     usage(argv[0]);
   }
   return 0; 
 }