mariadb/storage/myisam/rt_test.c

/* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
   
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.
   
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335  USA */

/* Testing of the basic functions of a MyISAM rtree table         */
/* Written by Alex Barkov who has a shared copyright to this code */


#include <my_global.h>
#include "myisam.h"
#include "rt_index.h"

#define MAX_REC_LENGTH 1024
#define ndims 2
#define KEYALG HA_KEY_ALG_RTREE

static int read_with_pos(MI_INFO * file, int silent);
static void create_record(uchar *record,uint rownr);
static void create_record1(uchar *record,uint rownr);
static void print_record(uchar * record,my_off_t offs,const char * tail);
static  int run_test(const char *filename);

static double rt_data[]=
{
  /*1*/  0,10,0,10,
  /*2*/  5,15,0,10,
  /*3*/  0,10,5,15,
  /*4*/  10,20,10,20,
  /*5*/  0,10,0,10,
  /*6*/  5,15,0,10,
  /*7*/  0,10,5,15,
  /*8*/  10,20,10,20,
  /*9*/  0,10,0,10,
  /*10*/  5,15,0,10,
  /*11*/  0,10,5,15,
  /*12*/  10,20,10,20,
  /*13*/  0,10,0,10,
  /*14*/  5,15,0,10,
  /*15*/  0,10,5,15,
  /*16*/  10,20,10,20,
  /*17*/  5,15,0,10,
  /*18*/  0,10,5,15,
  /*19*/  10,20,10,20,
  /*20*/  0,10,0,10,

  /*1*/  100,110,0,10,
  /*2*/  105,115,0,10,
  /*3*/  100,110,5,15,
  /*4*/  110,120,10,20,
  /*5*/  100,110,0,10,
  /*6*/  105,115,0,10,
  /*7*/  100,110,5,15,
  /*8*/  110,120,10,20,
  /*9*/  100,110,0,10,
  /*10*/  105,115,0,10,
  /*11*/  100,110,5,15,
  /*12*/  110,120,10,20,
  /*13*/  100,110,0,10,
  /*14*/  105,115,0,10,
  /*15*/  100,110,5,15,
  /*16*/  110,120,10,20,
  /*17*/  105,115,0,10,
  /*18*/  100,110,5,15,
  /*19*/  110,120,10,20,
  /*20*/  100,110,0,10,
  -1
};

int main(int argc __attribute__((unused)),char *argv[] __attribute__((unused)))
{
  MY_INIT(argv[0]);
  exit(run_test("rt_test"));
}


static int run_test(const char *filename)
{
  MI_INFO        *file;
  MI_UNIQUEDEF   uniquedef;
  MI_CREATE_INFO create_info;
  MI_COLUMNDEF   recinfo[20];
  MI_KEYDEF      keyinfo[20];
  HA_KEYSEG      keyseg[20];
  key_range	range;

  int silent=0;
  int opt_unique=0;
  int create_flag=0;
  int key_type=HA_KEYTYPE_DOUBLE;
  int key_length=8;
  int null_fields=0;
  int nrecords=sizeof(rt_data)/(sizeof(double)*4);/* 3000;*/
  int uniques=0;
  int i, max_i;
  int error;
  int row_count=0;
  uchar record[MAX_REC_LENGTH];
  uchar read_record[MAX_REC_LENGTH];
  int upd= 10;
  ha_rows hrows;
  page_range pages;

  bzero(&uniquedef, sizeof(uniquedef));
  bzero(&create_info, sizeof(create_info));
  bzero(recinfo, sizeof(recinfo));
  bzero(keyinfo, sizeof(keyinfo));
  bzero(keyseg, sizeof(keyseg));

  /* Define a column for NULLs and DEL markers*/
  
  recinfo[0].type=FIELD_NORMAL;
  recinfo[0].length=1; /* For NULL bits */
  
  /* Define 2*ndims columns for coordinates*/
  
  for (i=1; i<=2*ndims ;i++){
    recinfo[i].type=FIELD_NORMAL;
    recinfo[i].length=key_length;
  }
  
  /* Define a key with 2*ndims segments */
  
  keyinfo[0].seg=keyseg;
  keyinfo[0].keysegs=2*ndims;
  keyinfo[0].flag=0;
  keyinfo[0].key_alg=KEYALG;
  
  for (i=0; i<2*ndims; i++){
    keyinfo[0].seg[i].type= key_type;
    keyinfo[0].seg[i].flag=0;          /* Things like HA_REVERSE_SORT */
    keyinfo[0].seg[i].start= (key_length*i)+1;
    keyinfo[0].seg[i].length=key_length;
    keyinfo[0].seg[i].null_bit= null_fields ? 2 : 0;
    keyinfo[0].seg[i].null_pos=0;
    keyinfo[0].seg[i].language=default_charset_info->number;
  }
  
  if (!silent)
    printf("- Creating isam-file\n");
  
  create_info.max_rows=10000000;
  
  if (mi_create(filename,
                1,            /*  keys   */
                keyinfo,
                1+2*ndims+opt_unique, /* columns */
                recinfo,uniques,&uniquedef,&create_info,create_flag))
    goto err;
  
  if (!silent)
    printf("- Open isam-file\n");
  
  if (!(file=mi_open(filename,2,HA_OPEN_ABORT_IF_LOCKED)))
    goto err;

  if (!silent)
    printf("- Writing key:s\n");
  
  for (i=0; i<nrecords; i++ )
  {
    create_record(record,i);
    error=mi_write(file,record);
    print_record(record,mi_position(file),"\n");
    if (!error)
    {
      row_count++;
    }
    else
    {
      printf("mi_write: %d\n", error);
      goto err;
    }
  }

  if ((error=read_with_pos(file,silent)))
    goto err;

  if (!silent)
    printf("- Reading rows with key\n");
  
  for (i=0 ; i < nrecords ; i++)
  {
    my_errno=0;
    create_record(record,i);
    
    bzero((char*) read_record,MAX_REC_LENGTH);
    error=mi_rkey(file,read_record,0,record+1,HA_WHOLE_KEY,HA_READ_MBR_EQUAL);
    
    if (error && error!=HA_ERR_KEY_NOT_FOUND)
    {
      printf("     mi_rkey: %3d  errno: %3d\n",error,my_errno);
      goto err;
    }
    if (error == HA_ERR_KEY_NOT_FOUND)
    {
      print_record(record,mi_position(file),"  NOT FOUND\n");
      continue;
    }
    print_record(read_record,mi_position(file),"\n");
  }

  if (!silent)
    printf("- Deleting rows\n");
  for (i=0; i < nrecords/4; i++)
  {
    my_errno=0;
    bzero((char*) read_record,MAX_REC_LENGTH);
    error=mi_rrnd(file,read_record,i == 0 ? 0L : HA_OFFSET_ERROR);
    if (error)
    {
      printf("pos: %2d  mi_rrnd: %3d  errno: %3d\n",i,error,my_errno);
      goto err;
    }
    print_record(read_record,mi_position(file),"\n");

    error=mi_delete(file,read_record);
    if (error)
    {
      printf("pos: %2d mi_delete: %3d errno: %3d\n",i,error,my_errno);
      goto err;
    }
  }

  if (!silent)
    printf("- Updating rows with position\n");
  /* We are looking for nrecords-necords/2 non-deleted records */
  for (i=0, max_i= nrecords - nrecords/2; i < max_i ; i++)
  {
    my_errno=0;
    bzero((char*) read_record,MAX_REC_LENGTH);
    error=mi_rrnd(file,read_record,i == 0 ? 0L : HA_OFFSET_ERROR);
    if (error)
    {
      if (error==HA_ERR_RECORD_DELETED)
      {
        printf("found deleted record\n");
        max_i++; /* don't count such record */
        continue;
      }
      printf("pos: %2d  mi_rrnd: %3d  errno: %3d\n",i,error,my_errno);
      goto err;
    }
    print_record(read_record,mi_position(file),"");
    create_record(record,i+nrecords*upd);
    printf("\t-> ");
    print_record(record,mi_position(file),"\n");
    error=mi_update(file,read_record,record);
    if (error)
    {
      printf("pos: %2d  mi_update: %3d  errno: %3d\n",i,error,my_errno);
      goto err;
    }
  }

  if ((error=read_with_pos(file,silent)))
    goto err;

  if (!silent)
    printf("- Test mi_rkey then a sequence of mi_rnext_same\n");
  
  create_record(record, nrecords*4/5);
  print_record(record,0,"  search for\n");
  
  if ((error=mi_rkey(file,read_record,0,record+1,HA_WHOLE_KEY,
                     HA_READ_MBR_INTERSECT)))
  {
    printf("mi_rkey: %3d  errno: %3d\n",error,my_errno);
    goto err;
  }
  print_record(read_record,mi_position(file),"  mi_rkey\n");
  row_count=1;

  for (;;)
  {
    if ((error=mi_rnext_same(file,read_record)))
    {
      if (error==HA_ERR_END_OF_FILE)
        break;
      printf("mi_next: %3d  errno: %3d\n",error,my_errno);
      goto err;
    }
    print_record(read_record,mi_position(file),"  mi_rnext_same\n");
      row_count++;
  }
  printf("     %d rows\n",row_count);

  if (!silent)
    printf("- Test mi_rfirst then a sequence of mi_rnext\n");

  error=mi_rfirst(file,read_record,0);
  if (error)
  {
    printf("mi_rfirst: %3d  errno: %3d\n",error,my_errno);
    goto err;
  }
  row_count=1;
  print_record(read_record,mi_position(file),"  mi_frirst\n");
  
  for (i=0;i<nrecords;i++)
  {
    if ((error=mi_rnext(file,read_record,0)))
    {
      if (error==HA_ERR_END_OF_FILE)
        break;
      printf("mi_next: %3d  errno: %3d\n",error,my_errno);
      goto err;
    }
    print_record(read_record,mi_position(file),"  mi_rnext\n");
    row_count++;
  }
  printf("     %d rows\n",row_count);

  if (!silent)
    printf("- Test mi_records_in_range()\n");

  create_record1(record, nrecords*4/5);
  print_record(record,0,"\n");
  
  range.key= record+1;
  range.length= 1000;                           /* Big enough */
  range.flag= HA_READ_MBR_INTERSECT;
  hrows= mi_records_in_range(file, 0, &range, (key_range*) 0, &pages);
  printf("     %ld rows\n", (long) hrows);

  if (mi_close(file)) goto err;
  my_end(MY_CHECK_ERROR);
  
  return 0;
  
err:
  printf("got error: %3d when using myisam-database\n",my_errno);
  return 1;           /* skip warning */
}



static int read_with_pos (MI_INFO * file,int silent)
{
  int error;
  int i;
  uchar read_record[MAX_REC_LENGTH];

  if (!silent)
    printf("- Reading rows with position\n");
  for (i=0;;i++)
  {
    my_errno=0;
    bzero((char*) read_record,MAX_REC_LENGTH);
    error=mi_rrnd(file,read_record,i == 0 ? 0L : HA_OFFSET_ERROR);
    if (error)
    {
      if (error==HA_ERR_END_OF_FILE)
        break;
      if (error==HA_ERR_RECORD_DELETED)
        continue;
      printf("pos: %2d  mi_rrnd: %3d  errno: %3d\n",i,error,my_errno);
      return error;
    }
    print_record(read_record,mi_position(file),"\n");
  }
  return 0;
}


static void print_record(uchar * record,
			 my_off_t offs __attribute__((unused)),
			 const char * tail)
{
  int i;
  uchar * pos;
  double c;
  
  printf("     rec=(%d)",(unsigned char)record[0]);
  for ( pos=record+1, i=0; i<2*ndims; i++)
   {
      memcpy(&c,pos,sizeof(c));
      float8get(c,pos);
      printf(" %.14g ",c);
      pos+=sizeof(c);
   }
   printf("pos=%ld",(long int)offs);
   printf("%s",tail);
}



static void create_record1(uchar *record,uint rownr)
{
   int i;
   uchar * pos;
   double c=rownr+10;
   
   bzero((char*) record,MAX_REC_LENGTH);
   record[0]=0x01; /* DEL marker */

   for (pos=record+1, i=0; i<2*ndims; i++)
   {
      memcpy(pos,&c,sizeof(c));
      float8store(pos,c);
      pos+=sizeof(c);
   }
}


static void create_record(uchar *record,uint rownr)
{
   int i;
   uchar *pos;
   double *data= rt_data+rownr*4;
   record[0]=0x01; /* DEL marker */
   for (pos=record+1, i=0; i<ndims*2; i++)
   {
     float8store(pos,data[i]);
     pos+=8;
   }
}

#include "mi_extrafunc.h"