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Overview
Comment:better column names in the shell (CVS 111)
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 57022a9d504e553d862f363b164c42ba53d8b489
User & Date: drh 2000-07-29 13:20:21.000
Context
2000-07-30
20:04
documentation updates (CVS 112) (check-in: c686c6076a user: drh tags: trunk)
2000-07-29
13:20
better column names in the shell (CVS 111) (check-in: 57022a9d50 user: drh tags: trunk)
13:06
better column labels in select results (CVS 110) (check-in: 3bf434d93a user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/shell.c.
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**   drh@hwaci.com
**   http://www.hwaci.com/drh/
**
*************************************************************************
** This file contains code to implement the "sqlite" command line
** utility for accessing SQLite databases.
**
** $Id: shell.c,v 1.16 2000/07/28 14:32:49 drh Exp $
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "sqlite.h"
#include <unistd.h>
#include <ctype.h>








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**   drh@hwaci.com
**   http://www.hwaci.com/drh/
**
*************************************************************************
** This file contains code to implement the "sqlite" command line
** utility for accessing SQLite databases.
**
** $Id: shell.c,v 1.17 2000/07/29 13:20:21 drh Exp $
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include "sqlite.h"
#include <unistd.h>
#include <ctype.h>
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  int cnt;               /* Number of records displayed so far */
  FILE *out;             /* Write results here */
  int mode;              /* An output mode setting */
  int showHeader;        /* True to show column names in List or Column mode */
  int escape;            /* Escape this character when in MODE_List */
  char zDestTable[250];  /* Name of destination table when MODE_Insert */
  char separator[20];    /* Separator character for MODE_List */
  int colWidth[30];      /* Width of each column when in column mode */

};

/*
** These are the allowed modes.
*/
#define MODE_Line     0  /* One column per line.  Blank line between records */
#define MODE_Column   1  /* One record per line in neat columns */








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  int cnt;               /* Number of records displayed so far */
  FILE *out;             /* Write results here */
  int mode;              /* An output mode setting */
  int showHeader;        /* True to show column names in List or Column mode */
  int escape;            /* Escape this character when in MODE_List */
  char zDestTable[250];  /* Name of destination table when MODE_Insert */
  char separator[20];    /* Separator character for MODE_List */
  int colWidth[100];     /* Requested width of each column when in column mode*/
  int actualWidth[100];  /* Actual width of each column */
};

/*
** These are the allowed modes.
*/
#define MODE_Line     0  /* One column per line.  Blank line between records */
#define MODE_Column   1  /* One record per line in neat columns */
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      if( p->cnt++>0 ) fprintf(p->out,"\n");
      for(i=0; i<nArg; i++){
        fprintf(p->out,"%s = %s\n", azCol[i], azArg[i] ? azArg[i] : 0);
      }
      break;
    }
    case MODE_Column: {
      if( p->cnt++==0 && p->showHeader ){
        for(i=0; i<nArg; i++){
          int w;
          if( i<ArraySize(p->colWidth) && p->colWidth[i]>0 ){
             w = p->colWidth[i]; 
          }else{
             w = 10;
          }










          fprintf(p->out,"%-*.*s%s",w,w,azCol[i], i==nArg-1 ? "\n": "  ");
        }


        for(i=0; i<nArg; i++){
          int w;
          if( i<ArraySize(p->colWidth) && p->colWidth[i]>0 ){
             w = p->colWidth[i];
          }else{
             w = 10;
          }
          fprintf(p->out,"%-*.*s%s",w,w,"-------------------------------------"
                 "------------------------------------------------------------",
                  i==nArg-1 ? "\n": "  ");
        }
      }

      for(i=0; i<nArg; i++){
        int w;
        if( i<ArraySize(p->colWidth) && p->colWidth[i]>0 ){
           w = p->colWidth[i];
        }else{
           w = 10;
        }
        fprintf(p->out,"%-*.*s%s",w,w,
            azArg[i] ? azArg[i] : "", i==nArg-1 ? "\n": "  ");
      }
      break;








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      if( p->cnt++>0 ) fprintf(p->out,"\n");
      for(i=0; i<nArg; i++){
        fprintf(p->out,"%s = %s\n", azCol[i], azArg[i] ? azArg[i] : 0);
      }
      break;
    }
    case MODE_Column: {
      if( p->cnt++==0 ){
        for(i=0; i<nArg; i++){
          int w, n;
          if( i<ArraySize(p->colWidth) ){
             w = p->colWidth[i];
          }else{
             w = 0;
          }
          if( w<=0 ){
            w = strlen(azCol[i]);
            if( w<10 ) w = 10;
            n = strlen(azArg[i]);
            if( w<n ) w = n;
          }
          if( i<ArraySize(p->actualWidth) ){
            p->actualWidth[i] = w; 
          }
          if( p->showHeader ){
            fprintf(p->out,"%-*.*s%s",w,w,azCol[i], i==nArg-1 ? "\n": "  ");
          }
        }
        if( p->showHeader ){
          for(i=0; i<nArg; i++){
            int w;
            if( i<ArraySize(p->actualWidth) ){
               w = p->actualWidth[i];
            }else{
               w = 10;
            }
            fprintf(p->out,"%-*.*s%s",w,w,"-----------------------------------"
                   "----------------------------------------------------------",
                    i==nArg-1 ? "\n": "  ");
          }
        }
      }
      for(i=0; i<nArg; i++){
        int w;
        if( i<ArraySize(p->actualWidth) ){
           w = p->actualWidth[i];
        }else{
           w = 10;
        }
        fprintf(p->out,"%-*.*s%s",w,w,
            azArg[i] ? azArg[i] : "", i==nArg-1 ? "\n": "  ");
      }
      break;
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