*/
typedef struct ShellState ShellState;
struct ShellState {
  sqlite3 *db;           /* The database */
  u8 autoExplain;        /* Automatically turn on .explain mode */
  u8 autoEQP;            /* Run EXPLAIN QUERY PLAN prior to seach SQL stmt */
  u8 autoEQPtest;        /* autoEQP is in test mode */

  u8 statsOn;            /* True to display memory stats before each finalize */
  u8 scanstatsOn;        /* True to display scan stats before each finalize */
  u8 openMode;           /* SHELL_OPEN_NORMAL, _APPENDVFS, or _ZIPFILE */
  u8 doXdgOpen;          /* Invoke start/open/xdg-open in output_reset() */
  u8 nEqpLevel;          /* Depth of the EQP output graph */
  u8 eTraceType;         /* SHELL_TRACE_* value for type of trace */
  unsigned mEqpLines;    /* Mask of veritical lines in the EQP output graph */
................................................................................
  ".dbinfo ?DB?             Show status information about the database",
  ".dump ?TABLE? ...        Render all database content as SQL",
  "   Options:",
  "     --preserve-rowids      Include ROWID values in the output",
  "     --newlines             Allow unescaped newline characters in output",
  "   TABLE is LIKE pattern for the tables to dump",
  ".echo on|off             Turn command echo on or off",
  ".eqp on|off|full         Enable or disable automatic EXPLAIN QUERY PLAN",






  ".excel                   Display the output of next command in a spreadsheet",
  ".exit ?CODE?             Exit this program with return-code CODE",
  ".expert                  EXPERIMENTAL. Suggest indexes for specified queries",
/* Because explain mode comes on automatically now, the ".explain" mode
** is removed from the help screen.  It is still supported for legacy, however */
/*".explain ?on|off|auto?   Turn EXPLAIN output mode on or off or to automatic",*/
  ".fullschema ?--indent?   Show schema and the content of sqlite_stat tables",
................................................................................
      rc = 1;
    }
  }else

  if( c=='e' && strncmp(azArg[0], "eqp", n)==0 ){
    if( nArg==2 ){
      p->autoEQPtest = 0;




      if( strcmp(azArg[1],"full")==0 ){
        p->autoEQP = AUTOEQP_full;
      }else if( strcmp(azArg[1],"trigger")==0 ){
        p->autoEQP = AUTOEQP_trigger;

      }else if( strcmp(azArg[1],"test")==0 ){
        p->autoEQP = AUTOEQP_on;
        p->autoEQPtest = 1;







      }else{
        p->autoEQP = (u8)booleanValue(azArg[1]);
      }
    }else{
      raw_printf(stderr, "Usage: .eqp off|on|trigger|full\n");
      rc = 1;
    }
  }else

  if( c=='e' && strncmp(azArg[0], "exit", n)==0 ){
    if( nArg>1 && (rc = (int)integerValue(azArg[1]))!=0 ) exit(rc);
    rc = 2;

*/
typedef struct ShellState ShellState;
struct ShellState {
  sqlite3 *db;           /* The database */
  u8 autoExplain;        /* Automatically turn on .explain mode */
  u8 autoEQP;            /* Run EXPLAIN QUERY PLAN prior to seach SQL stmt */
  u8 autoEQPtest;        /* autoEQP is in test mode */
  u8 autoEQPtrace;       /* autoEQP is in trace mode */
  u8 statsOn;            /* True to display memory stats before each finalize */
  u8 scanstatsOn;        /* True to display scan stats before each finalize */
  u8 openMode;           /* SHELL_OPEN_NORMAL, _APPENDVFS, or _ZIPFILE */
  u8 doXdgOpen;          /* Invoke start/open/xdg-open in output_reset() */
  u8 nEqpLevel;          /* Depth of the EQP output graph */
  u8 eTraceType;         /* SHELL_TRACE_* value for type of trace */
  unsigned mEqpLines;    /* Mask of veritical lines in the EQP output graph */
................................................................................
  ".dbinfo ?DB?             Show status information about the database",
  ".dump ?TABLE? ...        Render all database content as SQL",
  "   Options:",
  "     --preserve-rowids      Include ROWID values in the output",
  "     --newlines             Allow unescaped newline characters in output",
  "   TABLE is LIKE pattern for the tables to dump",
  ".echo on|off             Turn command echo on or off",
  ".eqp on|off|full|...     Enable or disable automatic EXPLAIN QUERY PLAN",
  "   Other Modes:",
#ifdef SQLITE_DEBUG
  "      test                  Show raw EXPLAIN QUERY PLAN output",
  "      trace                 Like \"full\" but also enable \"PRAGMA vdbe_trace\"",
#endif
  "      trigger               Like \"full\" but also show trigger bytecode",
  ".excel                   Display the output of next command in a spreadsheet",
  ".exit ?CODE?             Exit this program with return-code CODE",
  ".expert                  EXPERIMENTAL. Suggest indexes for specified queries",
/* Because explain mode comes on automatically now, the ".explain" mode
** is removed from the help screen.  It is still supported for legacy, however */
/*".explain ?on|off|auto?   Turn EXPLAIN output mode on or off or to automatic",*/
  ".fullschema ?--indent?   Show schema and the content of sqlite_stat tables",
................................................................................
      rc = 1;
    }
  }else

  if( c=='e' && strncmp(azArg[0], "eqp", n)==0 ){
    if( nArg==2 ){
      p->autoEQPtest = 0;
      if( p->autoEQPtrace ){
        if( p->db ) sqlite3_exec(p->db, "PRAGMA vdbe_trace=OFF;", 0, 0, 0);
        p->autoEQPtrace = 0;
      }
      if( strcmp(azArg[1],"full")==0 ){
        p->autoEQP = AUTOEQP_full;
      }else if( strcmp(azArg[1],"trigger")==0 ){
        p->autoEQP = AUTOEQP_trigger;
#ifdef SQLITE_DEBUG
      }else if( strcmp(azArg[1],"test")==0 ){
        p->autoEQP = AUTOEQP_on;
        p->autoEQPtest = 1;
      }else if( strcmp(azArg[1],"trace")==0 ){
        p->autoEQP = AUTOEQP_full;
        p->autoEQPtrace = 1;
        open_db(p, 0);
        (void)sqlite3_table_column_metadata(p->db, "x","x",0,0,0,0,0,0);
        sqlite3_exec(p->db, "PRAGMA vdbe_trace=ON;", 0, 0, 0);
#endif
      }else{
        p->autoEQP = (u8)booleanValue(azArg[1]);
      }
    }else{
      raw_printf(stderr, "Usage: .eqp off|on|trace|trigger|full\n");
      rc = 1;
    }
  }else

  if( c=='e' && strncmp(azArg[0], "exit", n)==0 ){
    if( nArg>1 && (rc = (int)integerValue(azArg[1]))!=0 ) exit(rc);
    rc = 2;