diff options
Diffstat (limited to 'storage/maria/test_ma_backup.c')
| -rw-r--r-- | storage/maria/test_ma_backup.c | 444 |
1 files changed, 444 insertions, 0 deletions
diff --git a/storage/maria/test_ma_backup.c b/storage/maria/test_ma_backup.c new file mode 100644 index 00000000..c57ec6ec --- /dev/null +++ b/storage/maria/test_ma_backup.c @@ -0,0 +1,444 @@ +/* Copyright (C) 2018, 2021, 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= "."; + + /* 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, 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(PSI_NOT_INSTRUMENTED, 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 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; + + 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, 0))) + 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" |