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Overview
Comment:Fix harmless compiler warnings in FTS4. This involved corrupting Martin Porter's beautifully written and elegant stemmer code, making it a little less beautiful and a little less elegant. Today is a sad day. But the warnings from GCC grow increasingly verbose and irksome with each new release and so something had to be done.
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SHA1: df05679838b571c16a7ab7e135f9564cd2d9647c
User & Date: drh 2013-12-21 16:06:47
Context
2013-12-21
17:07
Avoid compiler warnings by only enabling sqlite3ErrName() when SQLITE_TEST is defined. check-in: 862228e5 user: drh tags: trunk
16:06
Fix harmless compiler warnings in FTS4. This involved corrupting Martin Porter's beautifully written and elegant stemmer code, making it a little less beautiful and a little less elegant. Today is a sad day. But the warnings from GCC grow increasingly verbose and irksome with each new release and so something had to be done. check-in: df056798 user: drh tags: trunk
15:46
Fix the ".echo on" dot-command of the shell so that it echos comments in addition to SQL statements and dot-commands. Add the --explain option to speedtest1 so that the output can be piped into the command-line shell to show nicely-formated VDBE code for the entire test. check-in: 96397263 user: drh tags: trunk
Changes
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Changes to ext/fts3/fts3_porter.c.

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  if( z[0]=='y' && hasVowel(z+1) ){
    z[0] = 'i';
  }

  /* Step 2 */
  switch( z[1] ){
   case 'a':
     stem(&z, "lanoita", "ate", m_gt_0) ||
     stem(&z, "lanoit", "tion", m_gt_0);

     break;
   case 'c':
     stem(&z, "icne", "ence", m_gt_0) ||
     stem(&z, "icna", "ance", m_gt_0);

     break;
   case 'e':
     stem(&z, "rezi", "ize", m_gt_0);
     break;
   case 'g':
     stem(&z, "igol", "log", m_gt_0);
     break;
   case 'l':
     stem(&z, "ilb", "ble", m_gt_0) ||
     stem(&z, "illa", "al", m_gt_0) ||
     stem(&z, "iltne", "ent", m_gt_0) ||
     stem(&z, "ile", "e", m_gt_0) ||

     stem(&z, "ilsuo", "ous", m_gt_0);

     break;
   case 'o':
     stem(&z, "noitazi", "ize", m_gt_0) ||
     stem(&z, "noita", "ate", m_gt_0) ||

     stem(&z, "rota", "ate", m_gt_0);

     break;
   case 's':
     stem(&z, "msila", "al", m_gt_0) ||
     stem(&z, "ssenevi", "ive", m_gt_0) ||
     stem(&z, "ssenluf", "ful", m_gt_0) ||

     stem(&z, "ssensuo", "ous", m_gt_0);

     break;
   case 't':
     stem(&z, "itila", "al", m_gt_0) ||
     stem(&z, "itivi", "ive", m_gt_0) ||

     stem(&z, "itilib", "ble", m_gt_0);

     break;
  }

  /* Step 3 */
  switch( z[0] ){
   case 'e':
     stem(&z, "etaci", "ic", m_gt_0) ||
     stem(&z, "evita", "", m_gt_0)   ||

     stem(&z, "ezila", "al", m_gt_0);

     break;
   case 'i':
     stem(&z, "itici", "ic", m_gt_0);
     break;
   case 'l':
     stem(&z, "laci", "ic", m_gt_0) ||
     stem(&z, "luf", "", m_gt_0);

     break;
   case 's':
     stem(&z, "ssen", "", m_gt_0);
     break;
  }

  /* Step 4 */
................................................................................
   case 'n':
     if( z[0]=='t' ){
       if( z[2]=='a' ){
         if( m_gt_1(z+3) ){
           z += 3;
         }
       }else if( z[2]=='e' ){
         stem(&z, "tneme", "", m_gt_1) ||
         stem(&z, "tnem", "", m_gt_1) ||

         stem(&z, "tne", "", m_gt_1);

       }
     }
     break;
   case 'o':
     if( z[0]=='u' ){
       if( m_gt_1(z+2) ){
         z += 2;
................................................................................
     break;
   case 's':
     if( z[0]=='m' && z[2]=='i' && m_gt_1(z+3) ){
       z += 3;
     }
     break;
   case 't':
     stem(&z, "eta", "", m_gt_1) ||
     stem(&z, "iti", "", m_gt_1);

     break;
   case 'u':
     if( z[0]=='s' && z[2]=='o' && m_gt_1(z+3) ){
       z += 3;
     }
     break;
   case 'v':







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  if( z[0]=='y' && hasVowel(z+1) ){
    z[0] = 'i';
  }

  /* Step 2 */
  switch( z[1] ){
   case 'a':
     if( !stem(&z, "lanoita", "ate", m_gt_0) ){
       stem(&z, "lanoit", "tion", m_gt_0);
     }
     break;
   case 'c':
     if( !stem(&z, "icne", "ence", m_gt_0) ){
       stem(&z, "icna", "ance", m_gt_0);
     }
     break;
   case 'e':
     stem(&z, "rezi", "ize", m_gt_0);
     break;
   case 'g':
     stem(&z, "igol", "log", m_gt_0);
     break;
   case 'l':
     if( !stem(&z, "ilb", "ble", m_gt_0) 
      && !stem(&z, "illa", "al", m_gt_0)
      && !stem(&z, "iltne", "ent", m_gt_0)
      && !stem(&z, "ile", "e", m_gt_0)
     ){
       stem(&z, "ilsuo", "ous", m_gt_0);
     }
     break;
   case 'o':
     if( !stem(&z, "noitazi", "ize", m_gt_0)
      && !stem(&z, "noita", "ate", m_gt_0)
     ){
       stem(&z, "rota", "ate", m_gt_0);
     }
     break;
   case 's':
     if( !stem(&z, "msila", "al", m_gt_0)
      && !stem(&z, "ssenevi", "ive", m_gt_0)
      && !stem(&z, "ssenluf", "ful", m_gt_0)
     ){
       stem(&z, "ssensuo", "ous", m_gt_0);
     }
     break;
   case 't':
     if( !stem(&z, "itila", "al", m_gt_0)
      && !stem(&z, "itivi", "ive", m_gt_0)
     ){
       stem(&z, "itilib", "ble", m_gt_0);
     }
     break;
  }

  /* Step 3 */
  switch( z[0] ){
   case 'e':
     if( !stem(&z, "etaci", "ic", m_gt_0)
      && !stem(&z, "evita", "", m_gt_0)
     ){
       stem(&z, "ezila", "al", m_gt_0);
     }
     break;
   case 'i':
     stem(&z, "itici", "ic", m_gt_0);
     break;
   case 'l':
     if( !stem(&z, "laci", "ic", m_gt_0) ){
       stem(&z, "luf", "", m_gt_0);
     }
     break;
   case 's':
     stem(&z, "ssen", "", m_gt_0);
     break;
  }

  /* Step 4 */
................................................................................
   case 'n':
     if( z[0]=='t' ){
       if( z[2]=='a' ){
         if( m_gt_1(z+3) ){
           z += 3;
         }
       }else if( z[2]=='e' ){
         if( !stem(&z, "tneme", "", m_gt_1)
          && !stem(&z, "tnem", "", m_gt_1)
         ){
           stem(&z, "tne", "", m_gt_1);
         }
       }
     }
     break;
   case 'o':
     if( z[0]=='u' ){
       if( m_gt_1(z+2) ){
         z += 2;
................................................................................
     break;
   case 's':
     if( z[0]=='m' && z[2]=='i' && m_gt_1(z+3) ){
       z += 3;
     }
     break;
   case 't':
     if( !stem(&z, "eta", "", m_gt_1) ){
       stem(&z, "iti", "", m_gt_1);
     }
     break;
   case 'u':
     if( z[0]=='s' && z[2]=='o' && m_gt_1(z+3) ){
       z += 3;
     }
     break;
   case 'v':