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Commit a955cc03 authored by Sergey Vojtovich's avatar Sergey Vojtovich
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Merge fix for BUG48265 to mysql-5.1-bugteam.

parents 1e2eb3cd 1a9c3717
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Showing with 205 additions and 53 deletions
mysql-test/r/merge.result
View file @ a955cc03
......@@ -2219,4 +2219,71 @@ Trigger sql_mode SQL Original Statement character_set_client collation_connectio
tr1 CREATE DEFINER=`root`@`localhost` TRIGGER tr1 AFTER INSERT ON t3 FOR EACH ROW CALL foo() latin1 latin1_swedish_ci latin1_swedish_ci
DROP TRIGGER tr1;
DROP TABLE t1, t2, t3;
#
# BUG#48265 - MRG_MYISAM problem (works in 5.0.85, does't work in 5.1.40)
#
CREATE DATABASE `test/1`;
CREATE TABLE `test/1`.`t/1`(a INT);
CREATE TABLE m1(a INT) ENGINE=MERGE UNION=(`test/1`.`t/1`);
SELECT * FROM m1;
a
SHOW CREATE TABLE m1;
Table Create Table
m1 CREATE TABLE `m1` (
`a` int(11) DEFAULT NULL
) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`test/1`.`t/1`)
DROP TABLE m1;
CREATE TABLE `test/1`.m1(a INT) ENGINE=MERGE UNION=(`test/1`.`t/1`);
SELECT * FROM `test/1`.m1;
a
SHOW CREATE TABLE `test/1`.m1;
Table Create Table
m1 CREATE TABLE `m1` (
`a` int(11) DEFAULT NULL
) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`t/1`)
DROP TABLE `test/1`.m1;
DROP TABLE `test/1`.`t/1`;
CREATE TEMPORARY TABLE `test/1`.`t/1`(a INT);
CREATE TEMPORARY TABLE m1(a INT) ENGINE=MERGE UNION=(`test/1`.`t/1`);
SELECT * FROM m1;
a
SHOW CREATE TABLE m1;
Table Create Table
m1 CREATE TEMPORARY TABLE `m1` (
`a` int(11) DEFAULT NULL
) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`test/1`.`t/1`)
DROP TABLE m1;
CREATE TEMPORARY TABLE `test/1`.m1(a INT) ENGINE=MERGE UNION=(`test/1`.`t/1`);
SELECT * FROM `test/1`.m1;
a
SHOW CREATE TABLE `test/1`.m1;
Table Create Table
m1 CREATE TEMPORARY TABLE `m1` (
`a` int(11) DEFAULT NULL
) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`t/1`)
DROP TABLE `test/1`.m1;
DROP TABLE `test/1`.`t/1`;
DROP DATABASE `test/1`;
CREATE TABLE `t@1`(a INT);
SELECT * FROM m1;
a
SHOW CREATE TABLE m1;
Table Create Table
m1 CREATE TABLE `m1` (
`a` int(11) DEFAULT NULL
) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`t@1`)
DROP TABLE `t@1`;
CREATE DATABASE `test@1`;
CREATE TABLE `test@1`.`t@1`(a INT);
FLUSH TABLE m1;
SELECT * FROM m1;
a
SHOW CREATE TABLE m1;
Table Create Table
m1 CREATE TABLE `m1` (
`a` int(11) DEFAULT NULL
) ENGINE=MRG_MyISAM DEFAULT CHARSET=latin1 UNION=(`test@1`.`t@1`)
DROP TABLE m1;
DROP TABLE `test@1`.`t@1`;
DROP DATABASE `test@1`;
End of 5.1 tests
mysql-test/t/merge.test
View file @ a955cc03
......@@ -7,6 +7,8 @@ drop table if exists t1,t2,t3,t4,t5,t6;
drop database if exists mysqltest;
--enable_warnings
let $MYSQLD_DATADIR= `select @@datadir`;
create table t1 (a int not null primary key auto_increment, message char(20));
create table t2 (a int not null primary key auto_increment, message char(20));
INSERT INTO t1 (message) VALUES ("Testing"),("table"),("t1");
......@@ -1633,4 +1635,59 @@ SHOW CREATE TRIGGER tr1;
DROP TRIGGER tr1;
DROP TABLE t1, t2, t3;
--echo #
--echo # BUG#48265 - MRG_MYISAM problem (works in 5.0.85, does't work in 5.1.40)
--echo #
CREATE DATABASE `test/1`;
CREATE TABLE `test/1`.`t/1`(a INT);
CREATE TABLE m1(a INT) ENGINE=MERGE UNION=(`test/1`.`t/1`);
SELECT * FROM m1;
SHOW CREATE TABLE m1;
DROP TABLE m1;
CREATE TABLE `test/1`.m1(a INT) ENGINE=MERGE UNION=(`test/1`.`t/1`);
SELECT * FROM `test/1`.m1;
SHOW CREATE TABLE `test/1`.m1;
DROP TABLE `test/1`.m1;
DROP TABLE `test/1`.`t/1`;
CREATE TEMPORARY TABLE `test/1`.`t/1`(a INT);
CREATE TEMPORARY TABLE m1(a INT) ENGINE=MERGE UNION=(`test/1`.`t/1`);
SELECT * FROM m1;
SHOW CREATE TABLE m1;
DROP TABLE m1;
CREATE TEMPORARY TABLE `test/1`.m1(a INT) ENGINE=MERGE UNION=(`test/1`.`t/1`);
SELECT * FROM `test/1`.m1;
SHOW CREATE TABLE `test/1`.m1;
DROP TABLE `test/1`.m1;
DROP TABLE `test/1`.`t/1`;
DROP DATABASE `test/1`;
# Test compatibility. Use '@' instead of '/' (was not allowed in 5.0)
CREATE TABLE `t@1`(a INT);
copy_file std_data/bug48265.frm $MYSQLD_DATADIR/test/m1.frm;
write_file $MYSQLD_DATADIR/test/m1.MRG;
t@1
EOF
SELECT * FROM m1;
SHOW CREATE TABLE m1;
DROP TABLE `t@1`;
CREATE DATABASE `test@1`;
CREATE TABLE `test@1`.`t@1`(a INT);
FLUSH TABLE m1;
remove_file $MYSQLD_DATADIR/test/m1.MRG;
write_file $MYSQLD_DATADIR/test/m1.MRG;
./test@1/t@1
EOF
SELECT * FROM m1;
SHOW CREATE TABLE m1;
DROP TABLE m1;
DROP TABLE `test@1`.`t@1`;
DROP DATABASE `test@1`;
--echo End of 5.1 tests
storage/myisammrg/ha_myisammrg.cc
View file @ a955cc03
......@@ -214,36 +214,14 @@ const char *ha_myisammrg::index_type(uint key_number)
static int myisammrg_parent_open_callback(void *callback_param,
const char *filename)
{
ha_myisammrg *ha_myrg;
TABLE *parent;
ha_myisammrg *ha_myrg= (ha_myisammrg*) callback_param;
TABLE *parent= ha_myrg->table_ptr();
TABLE_LIST *child_l;
const char *db;
const char *table_name;
size_t dirlen;
char dir_path[FN_REFLEN];
char name_buf[NAME_LEN];
DBUG_ENTER("myisammrg_parent_open_callback");
/* Extract child table name and database name from filename. */
dirlen= dirname_length(filename);
if (dirlen >= FN_REFLEN)
{
/* purecov: begin inspected */
DBUG_PRINT("error", ("name too long: '%.64s'", filename));
my_errno= ENAMETOOLONG;
DBUG_RETURN(1);
/* purecov: end */
}
table_name= filename + dirlen;
dirlen--; /* Strip off trailing '/'. */
memcpy(dir_path, filename, dirlen);
dir_path[dirlen]= '\0';
db= base_name(dir_path);
dirlen-= db - dir_path; /* This is now the length of 'db'. */
DBUG_PRINT("myrg", ("open: '%s'.'%s'", db, table_name));
ha_myrg= (ha_myisammrg*) callback_param;
parent= ha_myrg->table_ptr();
/* Get a TABLE_LIST object. */
if (!(child_l= (TABLE_LIST*) alloc_root(&parent->mem_root,
sizeof(TABLE_LIST))))
......@@ -255,13 +233,69 @@ static int myisammrg_parent_open_callback(void *callback_param,
}
bzero((char*) child_l, sizeof(TABLE_LIST));
/* Set database (schema) name. */
child_l->db_length= dirlen;
child_l->db= strmake_root(&parent->mem_root, db, dirlen);
/* Set table name. */
child_l->table_name_length= strlen(table_name);
child_l->table_name= strmake_root(&parent->mem_root, table_name,
child_l->table_name_length);
/*
Depending on MySQL version, filename may be encoded by table name to
file name encoding or not. Always encoded if parent table is created
by 5.1.46+. Encoded if parent is created by 5.1.6+ and child table is
in different database.
*/
if (!has_path(filename))
{
/* Child is in the same database as parent. */
child_l->db_length= parent->s->db.length;
child_l->db= strmake_root(&parent->mem_root, parent->s->db.str,
child_l->db_length);
/* Child table name is encoded in parent dot-MRG starting with 5.1.46. */
if (parent->s->mysql_version >= 50146)
{
child_l->table_name_length= filename_to_tablename(filename, name_buf,
sizeof(name_buf));
child_l->table_name= strmake_root(&parent->mem_root, name_buf,
child_l->table_name_length);
}
else
{
child_l->table_name_length= strlen(filename);
child_l->table_name= strmake_root(&parent->mem_root, filename,
child_l->table_name_length);
}
}
else
{
DBUG_ASSERT(strlen(filename) < sizeof(dir_path));
fn_format(dir_path, filename, "", "", 0);
/* Extract child table name and database name from filename. */
dirlen= dirname_length(dir_path);
/* Child db/table name is encoded in parent dot-MRG starting with 5.1.6. */
if (parent->s->mysql_version >= 50106)
{
child_l->table_name_length= filename_to_tablename(dir_path + dirlen,
name_buf,
sizeof(name_buf));
child_l->table_name= strmake_root(&parent->mem_root, name_buf,
child_l->table_name_length);
dir_path[dirlen - 1]= 0;
dirlen= dirname_length(dir_path);
child_l->db_length= filename_to_tablename(dir_path + dirlen, name_buf,
sizeof(name_buf));
child_l->db= strmake_root(&parent->mem_root, name_buf, child_l->db_length);
}
else
{
child_l->table_name_length= strlen(dir_path + dirlen);
child_l->table_name= strmake_root(&parent->mem_root, dir_path + dirlen,
child_l->table_name_length);
dir_path[dirlen - 1]= 0;
dirlen= dirname_length(dir_path);
child_l->db_length= strlen(dir_path + dirlen);
child_l->db= strmake_root(&parent->mem_root, dir_path + dirlen,
child_l->db_length);
}
}
DBUG_PRINT("myrg", ("open: '%.*s'.'%.*s'", child_l->db_length, child_l->db,
child_l->table_name_length, child_l->table_name));
/* Convert to lowercase if required. */
if (lower_case_table_names && child_l->table_name_length)
child_l->table_name_length= my_casedn_str(files_charset_info,
......@@ -1132,7 +1166,7 @@ int ha_myisammrg::create(const char *name, register TABLE *form,
/* Create child path names. */
for (pos= table_names; tables; tables= tables->next_local)
{
const char *table_name;
const char *table_name= buff;
/*
Construct the path to the MyISAM table. Try to meet two conditions:
......@@ -1158,10 +1192,12 @@ int ha_myisammrg::create(const char *name, register TABLE *form,
as the MyISAM tables are from the same database as the MERGE table.
*/
if ((dirname_length(buff) == dirlgt) && ! memcmp(buff, name, dirlgt))
table_name= tables->table_name;
else
if (! (table_name= thd->strmake(buff, length)))
DBUG_RETURN(HA_ERR_OUT_OF_MEM); /* purecov: inspected */
{
table_name+= dirlgt;
length-= dirlgt;
}
if (!(table_name= thd->strmake(table_name, length)))
DBUG_RETURN(HA_ERR_OUT_OF_MEM); /* purecov: inspected */
*pos++= table_name;
}
......@@ -1182,7 +1218,7 @@ void ha_myisammrg::append_create_info(String *packet)
const char *current_db;
size_t db_length;
THD *thd= current_thd;
MYRG_TABLE *open_table, *first;
TABLE_LIST *open_table, *first;
if (file->merge_insert_method != MERGE_INSERT_DISABLED)
{
......@@ -1200,14 +1236,11 @@ void ha_myisammrg::append_create_info(String *packet)
current_db= table->s->db.str;
db_length= table->s->db.length;
for (first=open_table=file->open_tables ;
open_table != file->end_table ;
open_table++)
for (first= open_table= table->child_l;;
open_table= open_table->next_global)
{
LEX_STRING db, name;
LINT_INIT(db.str);
LEX_STRING db= { open_table->db, open_table->db_length };
split_file_name(open_table->table->filename, &db, &name);
if (open_table != first)
packet->append(',');
/* Report database for mapped table if it isn't in current database */
......@@ -1218,7 +1251,10 @@ void ha_myisammrg::append_create_info(String *packet)
append_identifier(thd, packet, db.str, db.length);
packet->append('.');
}
append_identifier(thd, packet, name.str, name.length);
append_identifier(thd, packet, open_table->table_name,
open_table->table_name_length);
if (&open_table->next_global == table->child_last_l)
break;
}
packet->append(')');
}
......
storage/myisammrg/myrg_open.c
View file @ a955cc03
......@@ -311,14 +311,6 @@ MYRG_INFO *myrg_parent_open(const char *parent_name,
if (!child_name_buff[0] || (child_name_buff[0] == '#'))
continue;
if (!has_path(child_name_buff))
{
VOID(strmake(parent_name_buff + dir_length, child_name_buff,
sizeof(parent_name_buff) - 1 - dir_length));
VOID(cleanup_dirname(child_name_buff, parent_name_buff));
}
else
fn_format(child_name_buff, child_name_buff, "", "", 0);
DBUG_PRINT("info", ("child: '%s'", child_name_buff));
/* Callback registers child with handler table. */
......
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