mariadb/storage/maria/test_ma_backup.c
2019-01-15 17:05:42 +02:00

449 lines
12 KiB
C

/* Copyright (C) 2018 MariaDB corporation
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 Street, Fifth Floor, Boston, MA 02111-1301 USA */
/* Code for doing backups of Aria tables */
/******************************************************************************
Testing ma_backup interface
Table creation code is taken from ma_test1
******************************************************************************/
#define ROWS_IN_TEST 100000
#include "maria_def.h"
#include "ma_blockrec.h" /* PAGE_SUFFIX_SIZE */
#include "ma_checkpoint.h"
#include <aria_backup.h>
static int silent;
static int create_test_table(const char *table_name, int stage);
static int copy_table(const char *table_name, int stage);
static void create_record(uchar *record,uint rownr);
int main(int argc __attribute__((unused)), char *argv[])
{
int error= 1;
int i;
char buff[FN_REFLEN];
#ifdef SAFE_MUTEX
safe_mutex_deadlock_detector= 1;
#endif
MY_INIT(argv[0]);
maria_data_root= (char *)".";
/* Maria requires that we always have a page cache */
if (maria_init() ||
(init_pagecache(maria_pagecache, maria_block_size * 2000, 0, 0,
maria_block_size, 0, MY_WME) == 0) ||
ma_control_file_open(TRUE, TRUE) ||
(init_pagecache(maria_log_pagecache,
TRANSLOG_PAGECACHE_SIZE, 0, 0,
TRANSLOG_PAGE_SIZE, 0, MY_WME) == 0) ||
translog_init(maria_data_root, TRANSLOG_FILE_SIZE,
0, 0, maria_log_pagecache,
TRANSLOG_DEFAULT_FLAGS, 0) ||
(trnman_init(0) || ma_checkpoint_init(0)))
{
fprintf(stderr, "Error in initialization\n");
exit(1);
}
init_thr_lock();
fn_format(buff, "test_copy", maria_data_root, "", MYF(0));
for (i= 0; i < 5 ; i++)
{
printf("Stage: %d\n", i);
fflush(stdout);
if (create_test_table(buff, i))
goto err;
if (copy_table(buff, i))
goto err;
}
error= 0;
printf("test ok\n");
err:
if (error)
fprintf(stderr, "Test %i failed\n", i);
maria_end();
my_uuid_end();
my_end(MY_CHECK_ERROR);
exit(error);
}
/**
Example of how to read an Aria table
*/
static int copy_table(const char *table_name, int stage)
{
char old_name[FN_REFLEN];
uchar *copy_buffer= 0;
ARIA_TABLE_CAPABILITIES cap;
ulonglong block;
File org_file= -1;
int error= 1;
strxmov(old_name, table_name, ".MAI", NullS);
if ((org_file= my_open(old_name,
O_RDONLY | O_SHARE | O_NOFOLLOW | O_CLOEXEC,
MYF(MY_WME))) < 0)
goto err;
if ((error= aria_get_capabilities(org_file, &cap)))
{
fprintf(stderr, "aria_get_capabilities failed: %d\n", error);
goto err;
}
printf("- Capabilities read. oneline_backup_safe: %d\n",
cap.online_backup_safe);
printf("- Copying index file\n");
copy_buffer= my_malloc(cap.block_size, MYF(0));
for (block= 0 ; ; block++)
{
if ((error= aria_read_index(org_file, &cap, block, copy_buffer) ==
HA_ERR_END_OF_FILE))
break;
if (error)
{
fprintf(stderr, "aria_read_index failed: %d\n", error);
goto err;
}
}
my_close(org_file, MYF(MY_WME));
printf("- Copying data file\n");
strxmov(old_name, table_name, ".MAD", NullS);
if ((org_file= my_open(old_name, O_RDONLY | O_SHARE | O_NOFOLLOW | O_CLOEXEC,
MYF(MY_WME))) < 0)
goto err;
for (block= 0 ; ; block++)
{
size_t length;
if ((error= aria_read_data(org_file, &cap, block, copy_buffer,
&length) == HA_ERR_END_OF_FILE))
break;
if (error)
{
fprintf(stderr, "aria_read_index failed: %d\n", error);
goto err;
}
}
error= 0;
err:
my_free(copy_buffer);
if (org_file >= 0)
my_close(org_file, MYF(MY_WME));
if (error)
fprintf(stderr, "Failed in copy_table stage: %d\n", stage);
return error;
}
/* Code extracted from ma_test1.c */
#define MAX_REC_LENGTH 1024
static MARIA_COLUMNDEF recinfo[4];
static MARIA_KEYDEF keyinfo[10];
static HA_KEYSEG keyseg[10];
static HA_KEYSEG uniqueseg[10];
/**
Create a test table and fill it with some data
*/
static int create_test_table(const char *table_name, int type_of_table)
{
MARIA_HA *file;
int i,error,uniques=0;
int key_field=FIELD_SKIP_PRESPACE,extra_field=FIELD_SKIP_ENDSPACE;
int key_type=HA_KEYTYPE_NUM;
int create_flag=0;
uint offset_to_key;
uint pack_seg=0, pack_keys= 0;
uint key_length;
uchar record[MAX_REC_LENGTH];
MARIA_UNIQUEDEF uniquedef;
MARIA_CREATE_INFO create_info;
enum data_file_type record_type= DYNAMIC_RECORD;
my_bool null_fields= 0, unique_key= 0;
my_bool opt_unique= 0;
my_bool transactional= 0;
key_length= 12;
switch (type_of_table) {
case 0:
break;
case 1:
create_flag|= HA_CREATE_CHECKSUM | HA_CREATE_PAGE_CHECKSUM;
break;
case 2: /* transactional */
create_flag|= HA_CREATE_CHECKSUM | HA_CREATE_PAGE_CHECKSUM;
record_type= BLOCK_RECORD;
transactional= 1;
break;
case 3: /* transactional */
create_flag|= HA_CREATE_CHECKSUM | HA_CREATE_PAGE_CHECKSUM;
record_type= BLOCK_RECORD;
transactional= 1;
key_field=FIELD_VARCHAR; /* varchar keys */
extra_field= FIELD_VARCHAR;
key_type= HA_KEYTYPE_VARTEXT1;
pack_seg|= HA_VAR_LENGTH_PART;
null_fields= 1;
break;
case 4: /* transactional */
create_flag|= HA_CREATE_CHECKSUM | HA_CREATE_PAGE_CHECKSUM;
record_type= BLOCK_RECORD;
transactional= 1;
key_field=FIELD_BLOB; /* blob key */
extra_field= FIELD_BLOB;
pack_seg|= HA_BLOB_PART;
key_type= HA_KEYTYPE_VARTEXT1;
break;
}
bzero((char*) recinfo,sizeof(recinfo));
bzero((char*) &create_info,sizeof(create_info));
/* First define 2 columns */
create_info.null_bytes= 1;
recinfo[0].type= key_field;
recinfo[0].length= (key_field == FIELD_BLOB ? 4+portable_sizeof_char_ptr :
key_length);
if (key_field == FIELD_VARCHAR)
recinfo[0].length+= HA_VARCHAR_PACKLENGTH(key_length);
recinfo[1].type=extra_field;
recinfo[1].length= (extra_field == FIELD_BLOB ? 4 + portable_sizeof_char_ptr : 24);
if (extra_field == FIELD_VARCHAR)
recinfo[1].length+= HA_VARCHAR_PACKLENGTH(recinfo[1].length);
recinfo[1].null_bit= null_fields ? 2 : 0;
if (opt_unique)
{
recinfo[2].type=FIELD_CHECK;
recinfo[2].length=MARIA_UNIQUE_HASH_LENGTH;
}
if (key_type == HA_KEYTYPE_VARTEXT1 &&
key_length > 255)
key_type= HA_KEYTYPE_VARTEXT2;
/* Define a key over the first column */
keyinfo[0].seg=keyseg;
keyinfo[0].keysegs=1;
keyinfo[0].block_length= 0; /* Default block length */
keyinfo[0].key_alg=HA_KEY_ALG_BTREE;
keyinfo[0].seg[0].type= key_type;
keyinfo[0].seg[0].flag= pack_seg;
keyinfo[0].seg[0].start=1;
keyinfo[0].seg[0].length=key_length;
keyinfo[0].seg[0].null_bit= null_fields ? 2 : 0;
keyinfo[0].seg[0].null_pos=0;
keyinfo[0].seg[0].language= default_charset_info->number;
if (pack_seg & HA_BLOB_PART)
{
keyinfo[0].seg[0].bit_start=4; /* Length of blob length */
}
keyinfo[0].flag = (uint8) (pack_keys | unique_key);
if (opt_unique)
{
uint start;
uniques=1;
bzero((char*) &uniquedef,sizeof(uniquedef));
bzero((char*) uniqueseg,sizeof(uniqueseg));
uniquedef.seg=uniqueseg;
uniquedef.keysegs=2;
/* Make a unique over all columns (except first NULL fields) */
for (i=0, start=1 ; i < 2 ; i++)
{
uniqueseg[i].start=start;
start+=recinfo[i].length;
uniqueseg[i].length=recinfo[i].length;
uniqueseg[i].language= default_charset_info->number;
}
uniqueseg[0].type= key_type;
uniqueseg[0].null_bit= null_fields ? 2 : 0;
uniqueseg[1].type= HA_KEYTYPE_TEXT;
if (extra_field == FIELD_BLOB)
{
uniqueseg[1].length=0; /* The whole blob */
uniqueseg[1].bit_start=4; /* long blob */
uniqueseg[1].flag|= HA_BLOB_PART;
}
else if (extra_field == FIELD_VARCHAR)
{
uniqueseg[1].flag|= HA_VAR_LENGTH_PART;
uniqueseg[1].type= (HA_VARCHAR_PACKLENGTH(recinfo[1].length-1) == 1 ?
HA_KEYTYPE_VARTEXT1 : HA_KEYTYPE_VARTEXT2);
}
}
else
uniques=0;
offset_to_key= MY_TEST(null_fields);
if (key_field == FIELD_BLOB || key_field == FIELD_VARCHAR)
offset_to_key+= 2;
if (!silent)
printf("- Creating Aria file\n");
create_info.max_rows= 0;
create_info.transactional= transactional;
if (maria_create(table_name, record_type, 1, keyinfo,2+opt_unique,recinfo,
uniques, &uniquedef, &create_info,
create_flag))
goto err;
if (!(file=maria_open(table_name,2,HA_OPEN_ABORT_IF_LOCKED)))
goto err;
if (!silent)
printf("- Writing key:s\n");
if (maria_begin(file))
goto err;
my_errno=0;
for (i= 0 ; i < ROWS_IN_TEST ; i++)
{
create_record(record,i);
if ((error=maria_write(file,record)))
goto err;
}
if (maria_commit(file) | maria_close(file))
goto err;
printf("- Data copied\n");
return 0;
err:
printf("got error: %3d when using maria-database\n",my_errno);
return 1; /* skip warning */
}
static void create_key_part(uchar *key,uint rownr)
{
if (keyinfo[0].seg[0].type == HA_KEYTYPE_NUM)
{
sprintf((char*) key,"%*d",keyinfo[0].seg[0].length,rownr);
}
else if (keyinfo[0].seg[0].type == HA_KEYTYPE_VARTEXT1 ||
keyinfo[0].seg[0].type == HA_KEYTYPE_VARTEXT2)
{ /* Alpha record */
/* Create a key that may be easily packed */
bfill(key,keyinfo[0].seg[0].length,rownr < 10 ? 'A' : 'B');
sprintf((char*) key+keyinfo[0].seg[0].length-2,"%-2d",rownr % 100);
if ((rownr & 7) == 0)
{
/* Change the key to force a unpack of the next key */
bfill(key+3,keyinfo[0].seg[0].length-5,rownr < 10 ? 'a' : 'b');
}
}
else
{ /* Alpha record */
if (keyinfo[0].seg[0].flag & HA_SPACE_PACK)
sprintf((char*) key,"%-*d",keyinfo[0].seg[0].length,rownr);
else
{
/* Create a key that may be easily packed */
bfill(key,keyinfo[0].seg[0].length,rownr < 10 ? 'A' : 'B');
sprintf((char*) key+keyinfo[0].seg[0].length-2,"%-2d",rownr % 100);
if ((rownr & 7) == 0)
{
/* Change the key to force a unpack of the next key */
key[1]= (rownr < 10 ? 'a' : 'b');
}
}
}
}
static uchar blob_key[MAX_REC_LENGTH];
static uchar blob_record[MAX_REC_LENGTH+20*20];
static void create_record(uchar *record,uint rownr)
{
uchar *pos;
bzero((char*) record,MAX_REC_LENGTH);
record[0]=1; /* delete marker */
if (rownr == 0 && keyinfo[0].seg[0].null_bit)
record[0]|=keyinfo[0].seg[0].null_bit; /* Null key */
pos=record+1;
if (recinfo[0].type == FIELD_BLOB)
{
size_t tmp;
uchar *ptr;
create_key_part(blob_key,rownr);
tmp=strlen((char*) blob_key);
int4store(pos,tmp);
ptr=blob_key;
memcpy(pos+4,&ptr,sizeof(char*));
pos+=recinfo[0].length;
}
else if (recinfo[0].type == FIELD_VARCHAR)
{
size_t tmp, pack_length= HA_VARCHAR_PACKLENGTH(recinfo[0].length-1);
create_key_part(pos+pack_length,rownr);
tmp= strlen((char*) pos+pack_length);
if (pack_length == 1)
*(uchar*) pos= (uchar) tmp;
else
int2store(pos,tmp);
pos+= recinfo[0].length;
}
else
{
create_key_part(pos,rownr);
pos+=recinfo[0].length;
}
if (recinfo[1].type == FIELD_BLOB)
{
size_t tmp;
uchar *ptr;;
sprintf((char*) blob_record,"... row: %d", rownr);
strappend((char*) blob_record, rownr % MAX_REC_LENGTH,'x');
tmp=strlen((char*) blob_record);
int4store(pos,tmp);
ptr=blob_record;
memcpy(pos+4,&ptr,sizeof(char*));
}
else if (recinfo[1].type == FIELD_VARCHAR)
{
size_t tmp, pack_length= HA_VARCHAR_PACKLENGTH(recinfo[1].length-1);
sprintf((char*) pos+pack_length, "... row: %d", rownr);
tmp= strlen((char*) pos+pack_length);
if (pack_length == 1)
*pos= (uchar) tmp;
else
int2store(pos,tmp);
}
else
{
sprintf((char*) pos,"... row: %d", rownr);
strappend((char*) pos,recinfo[1].length,' ');
}
}
#include "ma_check_standalone.h"