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Overview
Comment:Improved output formatting for the showstat4 tool.
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SHA1:7df82c46da437bc743576358c25e758280067df8
User & Date: drh 2014-11-04 21:38:45
Context
2014-11-05
09:07
Add the ".scanstats on" command to the shell tool. Executing this command causes the shell tool to print values from sqlite3_stmt_scanstatus() after each query is run. check-in: 7974c0ed user: dan tags: trunk
2014-11-04
21:38
Improved output formatting for the showstat4 tool. check-in: 7df82c46 user: drh tags: trunk
17:23
Add various requirements evidence marks for sqlite3_config() options. check-in: d423349d user: drh tags: trunk
Changes
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Changes to tool/showstat4.c.

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  sqlite3_stmt *pStmt;
  char *zIdx = 0;
  int rc, j, x, y, mxHdr;
  const unsigned char *aSample;
  int nSample;
  i64 iVal;
  const char *zSep;


  if( argc!=2 ){
    fprintf(stderr, "Usage: %s DATABASE-FILE\n", argv[0]);
    exit(1);
  }
  rc = sqlite3_open(argv[1], &db);
  if( rc!=SQLITE_OK || db==0 ){
................................................................................
  if( rc!=SQLITE_OK || pStmt==0 ){
    fprintf(stderr, "%s\n", sqlite3_errmsg(db));
    sqlite3_close(db);
    exit(1);
  }
  while( SQLITE_ROW==sqlite3_step(pStmt) ){
    if( zIdx==0 || strcmp(zIdx, (const char*)sqlite3_column_text(pStmt,0))!=0 ){
      if( zIdx ) printf("\n");

      sqlite3_free(zIdx);
      zIdx = sqlite3_mprintf("%s", sqlite3_column_text(pStmt,0));
      printf("%s:\n", zIdx);
    }else{
      printf("  -----------------------------------------------------------\n");

    }

    printf("  nEq    = %s\n", sqlite3_column_text(pStmt,1));
    printf("  nLt    = %s\n", sqlite3_column_text(pStmt,2));
    printf("  nDLt   = %s\n", sqlite3_column_text(pStmt,3));
    printf("  sample = x'");
    aSample = sqlite3_column_blob(pStmt,4);
    nSample = sqlite3_column_bytes(pStmt,4);
    for(j=0; j<nSample; j++) printf("%02x", aSample[j]);







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  sqlite3_stmt *pStmt;
  char *zIdx = 0;
  int rc, j, x, y, mxHdr;
  const unsigned char *aSample;
  int nSample;
  i64 iVal;
  const char *zSep;
  int iRow = 0;

  if( argc!=2 ){
    fprintf(stderr, "Usage: %s DATABASE-FILE\n", argv[0]);
    exit(1);
  }
  rc = sqlite3_open(argv[1], &db);
  if( rc!=SQLITE_OK || db==0 ){
................................................................................
  if( rc!=SQLITE_OK || pStmt==0 ){
    fprintf(stderr, "%s\n", sqlite3_errmsg(db));
    sqlite3_close(db);
    exit(1);
  }
  while( SQLITE_ROW==sqlite3_step(pStmt) ){
    if( zIdx==0 || strcmp(zIdx, (const char*)sqlite3_column_text(pStmt,0))!=0 ){
      if( zIdx ) printf("\n**************************************"
                        "**************\n\n");
      sqlite3_free(zIdx);
      zIdx = sqlite3_mprintf("%s", sqlite3_column_text(pStmt,0));



      iRow = 0;
    }
    printf("%s sample %d ------------------------------------\n", zIdx, ++iRow);
    printf("  nEq    = %s\n", sqlite3_column_text(pStmt,1));
    printf("  nLt    = %s\n", sqlite3_column_text(pStmt,2));
    printf("  nDLt   = %s\n", sqlite3_column_text(pStmt,3));
    printf("  sample = x'");
    aSample = sqlite3_column_blob(pStmt,4);
    nSample = sqlite3_column_bytes(pStmt,4);
    for(j=0; j<nSample; j++) printf("%02x", aSample[j]);