Skip to content

M
MariaDB
Commit f69cfbf8 authored by unknown's avatar unknown
Browse files
Options

Merge baker@bk-internal.mysql.com:/home/bk/mysql-5.1-arch 

into  zim.(none):/home/brian/mysql/archive-newformat-5.1
parents d6759bed 0bdc5a92
Hide whitespace changes
Inline Side-by-side
Showing with 176 additions and 119 deletions
mysql-test/r/archive.result
View file @ f69cfbf8
drop table if exists t1,t2,t3,t4,t5; DROP TABLE if exists t1,t2,t3,t4,t5,t6;
SET storage_engine=ARCHIVE;
CREATE TABLE t1 ( CREATE TABLE t1 (
Period smallint(4) unsigned zerofill DEFAULT '0000' NOT NULL, Period smallint(4) unsigned zerofill DEFAULT '0000' NOT NULL,
Varor_period smallint(4) unsigned DEFAULT '0' NOT NULL Varor_period smallint(4) unsigned DEFAULT '0' NOT NULL
...@@ -184,7 +185,7 @@ fld1 fld3 ...@@ -184,7 +185,7 @@ fld1 fld3
250503 heaving 250503 heaving
250504 population 250504 population
250505 bomb 250505 bomb
create table t3 engine=archive select * FROM t2; CREATE TABLE t3 engine=archive select * FROM t2;
select * FROM t3 where fld3='bonfire'; select * FROM t3 where fld3='bonfire';
auto fld1 companynr fld3 fld4 fld5 fld6 auto fld1 companynr fld3 fld4 fld5 fld6
1191 068504 00 bonfire corresponds positively 1191 068504 00 bonfire corresponds positively
...@@ -12358,7 +12359,7 @@ CREATE TABLE `t5` ( ...@@ -12358,7 +12359,7 @@ CREATE TABLE `t5` (
`a` int(11) NOT NULL auto_increment, `a` int(11) NOT NULL auto_increment,
b char(12), b char(12),
PRIMARY KEY (`a`) PRIMARY KEY (`a`)
) ENGINE=ARCHIVE DEFAULT CHARSET=latin1; ) DEFAULT CHARSET=latin1;
INSERT INTO t5 VALUES (NULL, "foo"); INSERT INTO t5 VALUES (NULL, "foo");
INSERT INTO t5 VALUES (NULL, "foo"); INSERT INTO t5 VALUES (NULL, "foo");
INSERT INTO t5 VALUES (NULL, "foo"); INSERT INTO t5 VALUES (NULL, "foo");
...@@ -12391,7 +12392,7 @@ CREATE TABLE `t5` ( ...@@ -12391,7 +12392,7 @@ CREATE TABLE `t5` (
`a` int(11) NOT NULL auto_increment, `a` int(11) NOT NULL auto_increment,
b char(12), b char(12),
KEY (`a`) KEY (`a`)
) ENGINE=ARCHIVE DEFAULT CHARSET=latin1 AUTO_INCREMENT=5; ) DEFAULT CHARSET=latin1 AUTO_INCREMENT=5;
INSERT INTO t5 VALUES (NULL, "foo"); INSERT INTO t5 VALUES (NULL, "foo");
INSERT INTO t5 VALUES (NULL, "foo"); INSERT INTO t5 VALUES (NULL, "foo");
INSERT INTO t5 VALUES (NULL, "foo"); INSERT INTO t5 VALUES (NULL, "foo");
...@@ -12443,7 +12444,7 @@ CREATE TABLE `t5` ( ...@@ -12443,7 +12444,7 @@ CREATE TABLE `t5` (
`a` int(11) NOT NULL auto_increment, `a` int(11) NOT NULL auto_increment,
b blob(12), b blob(12),
KEY (`a`) KEY (`a`)
) ENGINE=ARCHIVE DEFAULT CHARSET=latin1; ) DEFAULT CHARSET=latin1;
INSERT INTO t5 VALUES (NULL, "foo"); INSERT INTO t5 VALUES (NULL, "foo");
INSERT INTO t5 VALUES (NULL, "We the people"); INSERT INTO t5 VALUES (NULL, "We the people");
INSERT INTO t5 VALUES (NULL, "in order to form a more pefect union"); INSERT INTO t5 VALUES (NULL, "in order to form a more pefect union");
...@@ -12496,7 +12497,7 @@ CREATE TABLE `t5` ( ...@@ -12496,7 +12497,7 @@ CREATE TABLE `t5` (
b blob(12), b blob(12),
c blob(12), c blob(12),
KEY (`a`) KEY (`a`)
) ENGINE=ARCHIVE DEFAULT CHARSET=latin1; ) DEFAULT CHARSET=latin1;
INSERT INTO t5 VALUES (NULL, "foo", "grok this!"); INSERT INTO t5 VALUES (NULL, "foo", "grok this!");
INSERT INTO t5 VALUES (NULL, "We the people", NULL); INSERT INTO t5 VALUES (NULL, "We the people", NULL);
INSERT INTO t5 VALUES (NULL, "in order to form a more peefect union", "secure the blessing of liberty"); INSERT INTO t5 VALUES (NULL, "in order to form a more peefect union", "secure the blessing of liberty");
...@@ -12545,8 +12546,8 @@ SELECT c FROM t5 WHERE a IN (32, 23, 5); ...@@ -12545,8 +12546,8 @@ SELECT c FROM t5 WHERE a IN (32, 23, 5);
c c
NULL NULL
posterity posterity
drop table t1; DROP TABLE t1;
create table t1 (v varchar(32)); CREATE TABLE t1 (v varchar(32)) ;
insert into t1 values ('def'),('abc'),('hij'),('3r4f'); insert into t1 values ('def'),('abc'),('hij'),('3r4f');
select * from t1; select * from t1;
v v
...@@ -12554,68 +12555,34 @@ def ...@@ -12554,68 +12555,34 @@ def
abc abc
hij hij
3r4f 3r4f
alter table t1 change v v2 varchar(32); ALTER TABLE t1 change v v2 varchar(32);
select * from t1; select * from t1;
v2 v2
def def
abc abc
hij hij
3r4f 3r4f
alter table t1 change v2 v varchar(64); ALTER TABLE t1 change v2 v varchar(64);
select * from t1; select * from t1;
v v
def def
abc abc
hij hij
3r4f 3r4f
update t1 set v = 'lmn' where v = 'hij'; ALTER TABLE t1 add i int auto_increment not null primary key first;
select * from t1;
v
def
abc
lmn
3r4f
alter table t1 add i int auto_increment not null primary key first;
select * from t1;
i v
1 def
2 abc
3 lmn
4 3r4f
update t1 set i=5 where i=3;
select * from t1; select * from t1;
i v i v
1 def 1 def
2 abc 2 abc
5 lmn 3 hij
4 3r4f 4 3r4f
alter table t1 change i i bigint;
select * from t1;
i v
1 def
2 abc
5 lmn
4 3r4f
alter table t1 add unique key (i, v);
select * from t1 where i between 2 and 4 and v in ('def','3r4f','lmn');
i v
4 3r4f
alter table t1 data directory="$MYSQLTEST_VARDIR/tmp";
Warnings:
Warning 0 DATA DIRECTORY option ignored
select * from t1;
i v
1 def
2 abc
4 3r4f
5 lmn
DROP TABLE t5; DROP TABLE t5;
CREATE TABLE `t5` ( CREATE TABLE `t5` (
`a` int(11) NOT NULL auto_increment, `a` int(11) NOT NULL auto_increment,
b varchar(250), b varchar(250),
c varchar(800), c varchar(800),
KEY (`a`) KEY (`a`)
) ENGINE=ARCHIVE DEFAULT CHARSET=latin1; ) DEFAULT CHARSET=latin1;
INSERT INTO t5 VALUES (NULL, "foo", "grok this!"); INSERT INTO t5 VALUES (NULL, "foo", "grok this!");
INSERT INTO t5 VALUES (NULL, "We the people", NULL); INSERT INTO t5 VALUES (NULL, "We the people", NULL);
INSERT INTO t5 VALUES (NULL, "in order to form a more peefect union", "secure the blessing of liberty"); INSERT INTO t5 VALUES (NULL, "in order to form a more peefect union", "secure the blessing of liberty");
...@@ -12636,4 +12603,66 @@ a b c ...@@ -12636,4 +12603,66 @@ a b c
23 provide for the common defense posterity 23 provide for the common defense posterity
33 promote the general welfare do ordain 33 promote the general welfare do ordain
34 abcdeghijklmnopqrstuvwxyzabcdeghijklmnopqrstuvwxyzabcdeghijklmnopqrstuvwxyzabcdeghijklmnopqrstuvwxyzabcdeghijklmnopqrstuvwxyzabcdeghijklmnopqrstuvwxyzabcdeghijklmnopqrstuvwxyzabcdeghijklmnopqrstuvwxyzabcdeghijklmnopqrstuvwxyzabcdeghijklmnopqrstuvwxyz do ordain 34 abcdeghijklmnopqrstuvwxyzabcdeghijklmnopqrstuvwxyzabcdeghijklmnopqrstuvwxyzabcdeghijklmnopqrstuvwxyzabcdeghijklmnopqrstuvwxyzabcdeghijklmnopqrstuvwxyzabcdeghijklmnopqrstuvwxyzabcdeghijklmnopqrstuvwxyzabcdeghijklmnopqrstuvwxyzabcdeghijklmnopqrstuvwxyz do ordain
drop table t1, t2, t4, t5; CREATE TABLE `t6` (
`a` int(11) NOT NULL auto_increment,
b blob(12),
c int,
KEY (`a`)
) DEFAULT CHARSET=latin1;
SELECT * FROM t6;
a b c
INSERT INTO t6 VALUES (NULL, "foo", NULL);
INSERT INTO t6 VALUES (NULL, "We the people", 5);
INSERT INTO t6 VALUES (NULL, "in order to form a more pefect union", 9);
INSERT INTO t6 VALUES (NULL, "establish justice", NULL);
INSERT INTO t6 VALUES (NULL, NULL, NULL);
INSERT INTO t6 VALUES (32, "ensure domestic tranquility", NULL);
INSERT INTO t6 VALUES (23, "provide for the common defense", 30);
INSERT INTO t6 VALUES (NULL, "fo fooo", 70);
INSERT INTO t6 VALUES (NULL, NULL, 98);
INSERT INTO t6 VALUES (NULL, "promote the general welfare", 50);
SELECT * FROM t6;
a b c
1 foo NULL
2 We the people 5
3 in order to form a more pefect union 9
4 establish justice NULL
5 NULL NULL
32 ensure domestic tranquility NULL
23 provide for the common defense 30
33 fo fooo 70
34 NULL 98
35 promote the general welfare 50
SELECT * FROM t6 ORDER BY a;
a b c
1 foo NULL
2 We the people 5
3 in order to form a more pefect union 9
4 establish justice NULL
5 NULL NULL
23 provide for the common defense 30
32 ensure domestic tranquility NULL
33 fo fooo 70
34 NULL 98
35 promote the general welfare 50
SELECT * FROM t6 ORDER BY a DESC;
a b c
35 promote the general welfare 50
34 NULL 98
33 fo fooo 70
32 ensure domestic tranquility NULL
23 provide for the common defense 30
5 NULL NULL
4 establish justice NULL
3 in order to form a more pefect union 9
2 We the people 5
1 foo NULL
SHOW CREATE TABLE t6;
Table Create Table
t6 CREATE TABLE `t6` (
`a` int(11) NOT NULL AUTO_INCREMENT,
`b` tinyblob,
`c` int(11) DEFAULT NULL,
KEY `a` (`a`)
) ENGINE=ARCHIVE DEFAULT CHARSET=latin1
DROP TABLE t1, t2, t4, t5;
mysql-test/t/archive.test
View file @ f69cfbf8
...@@ -6,9 +6,11 @@ ...@@ -6,9 +6,11 @@
-- source include/have_binlog_format_mixed_or_statement.inc -- source include/have_binlog_format_mixed_or_statement.inc
--disable_warnings --disable_warnings
drop table if exists t1,t2,t3,t4,t5; DROP TABLE if exists t1,t2,t3,t4,t5,t6;
--enable_warnings --enable_warnings
SET storage_engine=ARCHIVE;
CREATE TABLE t1 ( CREATE TABLE t1 (
Period smallint(4) unsigned zerofill DEFAULT '0000' NOT NULL, Period smallint(4) unsigned zerofill DEFAULT '0000' NOT NULL,
Varor_period smallint(4) unsigned DEFAULT '0' NOT NULL Varor_period smallint(4) unsigned DEFAULT '0' NOT NULL
...@@ -1294,7 +1296,7 @@ select fld1,fld3 FROM t2 where fld1 like "25050_"; ...@@ -1294,7 +1296,7 @@ select fld1,fld3 FROM t2 where fld1 like "25050_";
# #
# Test rename of table # Test rename of table
# #
create table t3 engine=archive select * FROM t2; CREATE TABLE t3 engine=archive select * FROM t2;
select * FROM t3 where fld3='bonfire'; select * FROM t3 where fld3='bonfire';
select count(*) FROM t3; select count(*) FROM t3;
# Clean up path in error message # Clean up path in error message
...@@ -1356,7 +1358,7 @@ while (`SELECT COUNT(auto)!=1214 FROM t2`) ...@@ -1356,7 +1358,7 @@ while (`SELECT COUNT(auto)!=1214 FROM t2`)
} }
SELECT COUNT(auto) FROM t2; SELECT COUNT(auto) FROM t2;
# Adding test for alter table # Adding test for ALTER TABLE
ALTER TABLE t2 DROP COLUMN fld6; ALTER TABLE t2 DROP COLUMN fld6;
SHOW CREATE TABLE t2; SHOW CREATE TABLE t2;
SELECT * FROM t2; SELECT * FROM t2;
...@@ -1369,7 +1371,7 @@ CREATE TABLE `t5` ( ...@@ -1369,7 +1371,7 @@ CREATE TABLE `t5` (
`a` int(11) NOT NULL auto_increment, `a` int(11) NOT NULL auto_increment,
b char(12), b char(12),
PRIMARY KEY (`a`) PRIMARY KEY (`a`)
) ENGINE=ARCHIVE DEFAULT CHARSET=latin1; ) DEFAULT CHARSET=latin1;
INSERT INTO t5 VALUES (NULL, "foo"); INSERT INTO t5 VALUES (NULL, "foo");
INSERT INTO t5 VALUES (NULL, "foo"); INSERT INTO t5 VALUES (NULL, "foo");
...@@ -1393,7 +1395,7 @@ CREATE TABLE `t5` ( ...@@ -1393,7 +1395,7 @@ CREATE TABLE `t5` (
`a` int(11) NOT NULL auto_increment, `a` int(11) NOT NULL auto_increment,
b char(12), b char(12),
KEY (`a`) KEY (`a`)
) ENGINE=ARCHIVE DEFAULT CHARSET=latin1 AUTO_INCREMENT=5; ) DEFAULT CHARSET=latin1 AUTO_INCREMENT=5;
INSERT INTO t5 VALUES (NULL, "foo"); INSERT INTO t5 VALUES (NULL, "foo");
INSERT INTO t5 VALUES (NULL, "foo"); INSERT INTO t5 VALUES (NULL, "foo");
...@@ -1419,7 +1421,7 @@ CREATE TABLE `t5` ( ...@@ -1419,7 +1421,7 @@ CREATE TABLE `t5` (
`a` int(11) NOT NULL auto_increment, `a` int(11) NOT NULL auto_increment,
b blob(12), b blob(12),
KEY (`a`) KEY (`a`)
) ENGINE=ARCHIVE DEFAULT CHARSET=latin1; ) DEFAULT CHARSET=latin1;
INSERT INTO t5 VALUES (NULL, "foo"); INSERT INTO t5 VALUES (NULL, "foo");
INSERT INTO t5 VALUES (NULL, "We the people"); INSERT INTO t5 VALUES (NULL, "We the people");
...@@ -1447,7 +1449,7 @@ CREATE TABLE `t5` ( ...@@ -1447,7 +1449,7 @@ CREATE TABLE `t5` (
b blob(12), b blob(12),
c blob(12), c blob(12),
KEY (`a`) KEY (`a`)
) ENGINE=ARCHIVE DEFAULT CHARSET=latin1; ) DEFAULT CHARSET=latin1;
INSERT INTO t5 VALUES (NULL, "foo", "grok this!"); INSERT INTO t5 VALUES (NULL, "foo", "grok this!");
INSERT INTO t5 VALUES (NULL, "We the people", NULL); INSERT INTO t5 VALUES (NULL, "We the people", NULL);
...@@ -1464,35 +1466,24 @@ SELECT c FROM t5; ...@@ -1464,35 +1466,24 @@ SELECT c FROM t5;
SELECT c FROM t5 WHERE a =3; SELECT c FROM t5 WHERE a =3;
SELECT c FROM t5 WHERE a IN (32, 23, 5); SELECT c FROM t5 WHERE a IN (32, 23, 5);
# Adding this in case someone tries to add fast alter table and doesn't tes # Adding this in case someone tries to add fast ALTER TABLE and doesn't tes
# it. # it.
# Some additional tests for new, faster alter table. Note that most of the # Some additional tests for new, faster ALTER TABLE. Note that most of the
# whole alter table code is being tested all around the test suite already. # whole ALTER TABLE code is being tested all around the test suite already.
# #
drop table t1; DROP TABLE t1;
create table t1 (v varchar(32)); CREATE TABLE t1 (v varchar(32)) ;
insert into t1 values ('def'),('abc'),('hij'),('3r4f'); insert into t1 values ('def'),('abc'),('hij'),('3r4f');
select * from t1; select * from t1;
# Fast alter, no copy performed # Fast alter, no copy performed
alter table t1 change v v2 varchar(32); ALTER TABLE t1 change v v2 varchar(32);
select * from t1; select * from t1;
# Fast alter, no copy performed # Fast alter, no copy performed
alter table t1 change v2 v varchar(64); ALTER TABLE t1 change v2 v varchar(64);
select * from t1;
update t1 set v = 'lmn' where v = 'hij';
select * from t1;
# Regular alter table
alter table t1 add i int auto_increment not null primary key first;
select * from t1; select * from t1;
update t1 set i=5 where i=3; # Regular ALTER TABLE
select * from t1; ALTER TABLE t1 add i int auto_increment not null primary key first;
alter table t1 change i i bigint;
select * from t1;
alter table t1 add unique key (i, v);
select * from t1 where i between 2 and 4 and v in ('def','3r4f','lmn');
alter table t1 data directory="$MYSQLTEST_VARDIR/tmp";
select * from t1; select * from t1;
# Testing cleared row key # Testing cleared row key
...@@ -1503,7 +1494,7 @@ CREATE TABLE `t5` ( ...@@ -1503,7 +1494,7 @@ CREATE TABLE `t5` (
b varchar(250), b varchar(250),
c varchar(800), c varchar(800),
KEY (`a`) KEY (`a`)
) ENGINE=ARCHIVE DEFAULT CHARSET=latin1; ) DEFAULT CHARSET=latin1;
INSERT INTO t5 VALUES (NULL, "foo", "grok this!"); INSERT INTO t5 VALUES (NULL, "foo", "grok this!");
INSERT INTO t5 VALUES (NULL, "We the people", NULL); INSERT INTO t5 VALUES (NULL, "We the people", NULL);
...@@ -1516,11 +1507,35 @@ INSERT INTO t5 VALUES (NULL, "abcdeghijklmnopqrstuvwxyzabcdeghijklmnopqrstuvwxyz ...@@ -1516,11 +1507,35 @@ INSERT INTO t5 VALUES (NULL, "abcdeghijklmnopqrstuvwxyzabcdeghijklmnopqrstuvwxyz
SELECT * FROM t5; SELECT * FROM t5;
CREATE TABLE `t6` (
`a` int(11) NOT NULL auto_increment,
b blob(12),
c int,
KEY (`a`)
) DEFAULT CHARSET=latin1;
SELECT * FROM t6;
INSERT INTO t6 VALUES (NULL, "foo", NULL);
INSERT INTO t6 VALUES (NULL, "We the people", 5);
INSERT INTO t6 VALUES (NULL, "in order to form a more pefect union", 9);
INSERT INTO t6 VALUES (NULL, "establish justice", NULL);
INSERT INTO t6 VALUES (NULL, NULL, NULL);
INSERT INTO t6 VALUES (32, "ensure domestic tranquility", NULL);
INSERT INTO t6 VALUES (23, "provide for the common defense", 30);
INSERT INTO t6 VALUES (NULL, "fo fooo", 70);
INSERT INTO t6 VALUES (NULL, NULL, 98);
INSERT INTO t6 VALUES (NULL, "promote the general welfare", 50);
SELECT * FROM t6;
SELECT * FROM t6 ORDER BY a;
SELECT * FROM t6 ORDER BY a DESC;
SHOW CREATE TABLE t6;
# #
# Cleanup, test is over # Cleanup, test is over
# #
--disable_warnings --disable_warnings
drop table t1, t2, t4, t5; DROP TABLE t1, t2, t4, t5;
--enable_warnings --enable_warnings
storage/archive/archive_reader.c
View file @ f69cfbf8
...@@ -3,6 +3,7 @@ ...@@ -3,6 +3,7 @@
#include <assert.h> #include <assert.h>
#include <stdio.h> #include <stdio.h>
#include <stdarg.h> #include <stdarg.h>
#include <m_ctype.h>
#include <my_getopt.h> #include <my_getopt.h>
#include <mysql_version.h> #include <mysql_version.h>
...@@ -15,10 +16,12 @@ static void get_options(int *argc,char * * *argv); ...@@ -15,10 +16,12 @@ static void get_options(int *argc,char * * *argv);
static void print_version(void); static void print_version(void);
static void usage(void); static void usage(void);
static const char *opt_tmpdir; static const char *opt_tmpdir;
static const char *new_auto_increment_value; static const char *new_auto_increment;
unsigned long long new_auto_increment_value;
static const char *load_default_groups[]= { "archive_reader", 0 }; static const char *load_default_groups[]= { "archive_reader", 0 };
static char **default_argv; static char **default_argv;
int opt_check, opt_force, opt_quiet, opt_backup= 0, opt_extract_frm; int opt_check, opt_force, opt_quiet, opt_backup= 0, opt_extract_frm;
int opt_autoincrement;
int main(int argc, char *argv[]) int main(int argc, char *argv[])
{ {
...@@ -40,6 +43,35 @@ int main(int argc, char *argv[]) ...@@ -40,6 +43,35 @@ int main(int argc, char *argv[])
return 0; return 0;
} }
if (opt_autoincrement)
{
azio_stream writer_handle;
if (new_auto_increment_value)
{
if (reader_handle.auto_increment >= new_auto_increment_value)
{
printf("Value is lower then current value\n");
goto end;
}
}
else
{
new_auto_increment_value= reader_handle.auto_increment + 1;
}
if (!(ret= azopen(&writer_handle, argv[0], O_CREAT|O_RDWR|O_BINARY)))
{
printf("Could not open file for update: %s\n", argv[0]);
goto end;
}
writer_handle.auto_increment= new_auto_increment_value;
azclose(&writer_handle);
azflush(&reader_handle, Z_SYNC_FLUSH);
}
printf("Version %u\n", reader_handle.version); printf("Version %u\n", reader_handle.version);
if (reader_handle.version > 2) if (reader_handle.version > 2)
{ {
...@@ -272,7 +304,11 @@ get_one_option(int optid, ...@@ -272,7 +304,11 @@ get_one_option(int optid,
printf("Not implemented yet\n"); printf("Not implemented yet\n");
break; break;
case 'A': case 'A':
printf("Not implemented yet\n"); opt_autoincrement= 1;
if (argument)
new_auto_increment_value= strtoull(argument, NULL, 0);
else
new_auto_increment_value= 0;
break; break;
case '?': case '?':
usage(); usage();
...@@ -317,9 +353,9 @@ static struct my_option my_long_options[] = ...@@ -317,9 +353,9 @@ static struct my_option my_long_options[] =
{"repair", 'r', "Repair a damaged Archive version 3 or above file.", {"repair", 'r', "Repair a damaged Archive version 3 or above file.",
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
{"set-auto-increment", 'A', {"set-auto-increment", 'A',
"Force auto_increment to start at this or higher value.", "Force auto_increment to start at this or higher value. If no value is given, then sets the next auto_increment value to the highest used value for the auto key + 1.",
(gptr*) &new_auto_increment_value, (gptr*) &new_auto_increment,
(gptr*) &new_auto_increment_value, (gptr*) &new_auto_increment,
0, GET_ULL, OPT_ARG, 0, 0, 0, 0, 0, 0}, 0, GET_ULL, OPT_ARG, 0, 0, 0, 0, 0, 0},
{"silent", 's', {"silent", 's',
"Only print errors. One can use two -s to make archive_reader very silent.", "Only print errors. One can use two -s to make archive_reader very silent.",
......
storage/archive/ha_archive.cc
View file @ f69cfbf8
...@@ -28,13 +28,13 @@ ...@@ -28,13 +28,13 @@
/* /*
First, if you want to understand storage engines you should look at First, if you want to understand storage engines you should look at
ha_example.cc and ha_example.h. ha_example.cc and ha_example.h.
This example was written as a test case for a customer who needed This example was written as a test case for a customer who needed
a storage engine without indexes that could compress data very well. a storage engine without indexes that could compress data very well.
So, welcome to a completely compressed storage engine. This storage So, welcome to a completely compressed storage engine. This storage
engine only does inserts. No replace, deletes, or updates. All reads are engine only does inserts. No replace, deletes, or updates. All reads are
complete table scans. Compression is done through azip (bzip compresses complete table scans. Compression is done through a combination of packing
better, but only marginally, if someone asks I could add support for and making use of the zlib library
it too, but beaware that it costs a lot more in CPU time then azip).
We keep a file pointer open for each instance of ha_archive for each read We keep a file pointer open for each instance of ha_archive for each read
but for writes we keep one open file handle just for that. We flush it but for writes we keep one open file handle just for that. We flush it
...@@ -80,38 +80,17 @@ ...@@ -80,38 +80,17 @@
TODO: TODO:
Add bzip optional support.
Allow users to set compression level. Allow users to set compression level.
Implement versioning, should be easy. Implement versioning, should be easy.
Allow for errors, find a way to mark bad rows. Allow for errors, find a way to mark bad rows.
Add optional feature so that rows can be flushed at interval (which will cause less Add optional feature so that rows can be flushed at interval (which will cause less
compression but may speed up ordered searches). compression but may speed up ordered searches).
Checkpoint the meta file to allow for faster rebuilds. Checkpoint the meta file to allow for faster rebuilds.
Dirty open (right now the meta file is repaired if a crash occured).
Option to allow for dirty reads, this would lower the sync calls, which would make Option to allow for dirty reads, this would lower the sync calls, which would make
inserts a lot faster, but would mean highly arbitrary reads. inserts a lot faster, but would mean highly arbitrary reads.
-Brian -Brian
*/ */
/*
Notes on file formats.
The Meta file is layed out as:
check - Just an int of 254 to make sure that the the file we are opening was
never corrupted.
version - The current version of the file format.
rows - This is an unsigned long long which is the number of rows in the data
file.
check point - Reserved for future use
auto increment - MAX value for autoincrement
dirty - Status of the file, whether or not its values are the latest. This
flag is what causes a repair to occur
The data file:
check - Just an int of 254 to make sure that the the file we are opening was
never corrupted.
version - The current version of the file format.
data - The data is stored in a "row +blobs" format.
*/
/* Variables for archive share methods */ /* Variables for archive share methods */
pthread_mutex_t archive_mutex; pthread_mutex_t archive_mutex;
...@@ -121,13 +100,6 @@ static HASH archive_open_tables; ...@@ -121,13 +100,6 @@ static HASH archive_open_tables;
#define ARZ ".ARZ" // The data file #define ARZ ".ARZ" // The data file
#define ARN ".ARN" // Files used during an optimize call #define ARN ".ARN" // Files used during an optimize call
#define ARM ".ARM" // Meta file (deprecated) #define ARM ".ARM" // Meta file (deprecated)
/*
uchar + uchar + ulonglong + ulonglong + ulonglong + ulonglong + FN_REFLEN
+ uchar
*/
#define META_BUFFER_SIZE sizeof(uchar) + sizeof(uchar) + sizeof(ulonglong) \
+ sizeof(ulonglong) + sizeof(ulonglong) + sizeof(ulonglong) + FN_REFLEN \
+ sizeof(uchar)
/* /*
uchar + uchar uchar + uchar
...@@ -587,7 +559,7 @@ int ha_archive::create(const char *name, TABLE *table_arg, ...@@ -587,7 +559,7 @@ int ha_archive::create(const char *name, TABLE *table_arg,
azio_stream create_stream; /* Archive file we are working with */ azio_stream create_stream; /* Archive file we are working with */
File frm_file; /* File handler for readers */ File frm_file; /* File handler for readers */
MY_STAT file_stat; // Stat information for the data file MY_STAT file_stat; // Stat information for the data file
char *frm_ptr; byte *frm_ptr;
DBUG_ENTER("ha_archive::create"); DBUG_ENTER("ha_archive::create");
...@@ -659,7 +631,7 @@ int ha_archive::create(const char *name, TABLE *table_arg, ...@@ -659,7 +631,7 @@ int ha_archive::create(const char *name, TABLE *table_arg,
VOID(my_fstat(frm_file, &file_stat, MYF(MY_WME))); VOID(my_fstat(frm_file, &file_stat, MYF(MY_WME)));
frm_ptr= (char *)my_malloc(sizeof(char) * file_stat.st_size , MYF(0)); frm_ptr= (char *)my_malloc(sizeof(char) * file_stat.st_size , MYF(0));
my_read(frm_file, frm_ptr, file_stat.st_size, MYF(0)); my_read(frm_file, frm_ptr, file_stat.st_size, MYF(0));
azwrite_frm(&create_stream, frm_ptr, file_stat.st_size); azwrite_frm(&create_stream, (char *)frm_ptr, file_stat.st_size);
my_close(frm_file, MYF(0)); my_close(frm_file, MYF(0));
my_free(frm_ptr, MYF(0)); my_free(frm_ptr, MYF(0));
...@@ -761,8 +733,9 @@ unsigned int ha_archive::pack_row(byte *record) ...@@ -761,8 +733,9 @@ unsigned int ha_archive::pack_row(byte *record)
for (Field **field=table->field ; *field ; field++) for (Field **field=table->field ; *field ; field++)
{ {
ptr=(byte*) (*field)->pack((char*) ptr, if (!((*field)->is_null()))
(char*) record + (*field)->offset(record)); ptr=(byte*) (*field)->pack((char*) ptr,
(char*) record + (*field)->offset(record));
} }
int4store(record_buffer->buffer, (int)(ptr - record_buffer->buffer - int4store(record_buffer->buffer, (int)(ptr - record_buffer->buffer -
...@@ -1114,7 +1087,11 @@ int ha_archive::unpack_row(azio_stream *file_to_read, byte *record) ...@@ -1114,7 +1087,11 @@ int ha_archive::unpack_row(azio_stream *file_to_read, byte *record)
memcpy(record, ptr, table->s->null_bytes); memcpy(record, ptr, table->s->null_bytes);
ptr+= table->s->null_bytes; ptr+= table->s->null_bytes;
for (Field **field=table->field ; *field ; field++) for (Field **field=table->field ; *field ; field++)
ptr= (*field)->unpack((char *)record + (*field)->offset(table->record[0]), ptr); if (!((*field)->is_null()))
{
ptr= (*field)->unpack((char *)record +
(*field)->offset(table->record[0]), ptr);
}
DBUG_RETURN(0); DBUG_RETURN(0);
} }
...@@ -1439,7 +1416,7 @@ void ha_archive::update_create_info(HA_CREATE_INFO *create_info) ...@@ -1439,7 +1416,7 @@ void ha_archive::update_create_info(HA_CREATE_INFO *create_info)
DBUG_ENTER("ha_archive::update_create_info"); DBUG_ENTER("ha_archive::update_create_info");
ha_archive::info(HA_STATUS_AUTO); ha_archive::info(HA_STATUS_AUTO);
if (!(create_info->used_fields & HA_CREATE_USED_AUTO)) if (create_info->used_fields & HA_CREATE_USED_AUTO)
{ {
/* /*
Internally Archive keeps track of last used, not next used. Internally Archive keeps track of last used, not next used.
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7