rt_test.c
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上传日期:2022-05-23
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文件大小:11k
- /* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
-
- 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; either version 2 of the License, or
- (at your option) any later version.
-
- 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- /* Testing of the basic functions of a MyISAM rtree table */
- /* Written by Alex Barkov who has a shared copyright to this code */
- #include "myisam.h"
- #ifdef HAVE_RTREE_KEYS
- #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(char *record,uint rownr);
- static void create_record1(char *record,uint rownr);
- static void print_record(char * 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 rec_length=0;
- int uniques=0;
- int i;
- int error;
- int row_count=0;
- char record[MAX_REC_LENGTH];
- char read_record[MAX_REC_LENGTH];
- int upd= 10;
- ha_rows hrows;
-
- /* Define a column for NULLs and DEL markers*/
-
- recinfo[0].type=FIELD_NORMAL;
- recinfo[0].length=1; /* For NULL bits */
- rec_length=1;
-
- /* Define 2*ndims columns for coordinates*/
-
- for (i=1; i<=2*ndims ;i++){
- recinfo[i].type=FIELD_NORMAL;
- recinfo[i].length=key_length;
- rec_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-filen");
-
- bzero((char*) &create_info,sizeof(create_info));
- 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-filen");
-
- if (!(file=mi_open(filename,2,HA_OPEN_ABORT_IF_LOCKED)))
- goto err;
- if (!silent)
- printf("- Writing key:sn");
-
- 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: %dn", error);
- goto err;
- }
- }
- if ((error=read_with_pos(file,silent)))
- goto err;
- if (!silent)
- printf("- Reading rows with keyn");
-
- 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+1,0,HA_READ_MBR_EQUAL);
-
- if (error && error!=HA_ERR_KEY_NOT_FOUND)
- {
- printf(" mi_rkey: %3d errno: %3dn",error,my_errno);
- goto err;
- }
- if (error == HA_ERR_KEY_NOT_FOUND)
- {
- print_record(record,mi_position(file)," NOT FOUNDn");
- continue;
- }
- print_record(read_record,mi_position(file),"n");
- }
- if (!silent)
- printf("- Deleting rowsn");
- 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: %3dn",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: %3dn",i,error,my_errno);
- goto err;
- }
- }
- if (!silent)
- printf("- Updating rows with positionn");
- for (i=0; i < (nrecords - 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)
- {
- if (error==HA_ERR_RECORD_DELETED)
- continue;
- printf("pos: %2d mi_rrnd: %3d errno: %3dn",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: %3dn",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_samen");
-
- create_record(record, nrecords*4/5);
- print_record(record,0," search forn");
-
- if ((error=mi_rkey(file,read_record,0,record+1,0,HA_READ_MBR_INTERSECT)))
- {
- printf("mi_rkey: %3d errno: %3dn",error,my_errno);
- goto err;
- }
- print_record(read_record,mi_position(file)," mi_rkeyn");
- 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: %3dn",error,my_errno);
- goto err;
- }
- print_record(read_record,mi_position(file)," mi_rnext_samen");
- row_count++;
- }
- printf(" %d rowsn",row_count);
- if (!silent)
- printf("- Test mi_rfirst then a sequence of mi_rnextn");
- error=mi_rfirst(file,read_record,0);
- if (error)
- {
- printf("mi_rfirst: %3d errno: %3dn",error,my_errno);
- goto err;
- }
- row_count=1;
- print_record(read_record,mi_position(file)," mi_frirstn");
-
- 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: %3dn",error,my_errno);
- goto err;
- }
- print_record(read_record,mi_position(file)," mi_rnextn");
- row_count++;
- }
- printf(" %d rowsn",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);
- printf(" %ld rowsn", (long) hrows);
- if (mi_close(file)) goto err;
- my_end(MY_CHECK_ERROR);
-
- return 0;
-
- err:
- printf("got error: %3d when using myisam-databasen",my_errno);
- return 1; /* skip warning */
- }
- static int read_with_pos (MI_INFO * file,int silent)
- {
- int error;
- int i;
- char read_record[MAX_REC_LENGTH];
- if (!silent)
- printf("- Reading rows with positionn");
- 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: %3dn",i,error,my_errno);
- return error;
- }
- print_record(read_record,mi_position(file),"n");
- }
- return 0;
- }
- #ifdef NOT_USED
- static void bprint_record(char * record,
- my_off_t offs __attribute__((unused)),
- const char * tail)
- {
- int i;
- char * pos;
- i=(unsigned char)record[0];
- printf("%02X ",i);
-
- for( pos=record+1, i=0; i<32; i++,pos++){
- int b=(unsigned char)*pos;
- printf("%02X",b);
- }
- printf("%s",tail);
- }
- #endif
- static void print_record(char * record,
- my_off_t offs __attribute__((unused)),
- const char * tail)
- {
- int i;
- char * 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(char *record,uint rownr)
- {
- int i;
- char * 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);
- }
- }
- #ifdef NOT_USED
- static void create_record0(char *record,uint rownr)
- {
- int i;
- char * pos;
- double c=rownr+10;
- double c0=0;
-
- bzero((char*) record,MAX_REC_LENGTH);
- record[0]=0x01; /* DEL marker */
- for ( pos=record+1, i=0; i<ndims; i++)
- {
- memcpy(pos,&c0,sizeof(c0));
- float8store(pos,c0);
- pos+=sizeof(c0);
- memcpy(pos,&c,sizeof(c));
- float8store(pos,c);
- pos+=sizeof(c);
- }
- }
- #endif
- static void create_record(char *record,uint rownr)
- {
- int i;
- char *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;
- }
- }
- #else
- int main(int argc __attribute__((unused)),char *argv[] __attribute__((unused)))
- {
- exit(0);
- }
- #endif /*HAVE_RTREE_KEYS*/