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Merge dfischer@bk-internal.mysql.com:/home/bk/mysql-5.0-build

Browse source 
into  kahlann.erinye.com:/home/df/mysql/build/mysql-5.0-build
This commit is contained in:
df@kahlann.erinye.com 2007-01-18 10:42:06 +01:00
commit 9885afeef4
23 changed files with 809 additions and 266 deletions
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4
configure.in
View file

@ -2516,9 +2516,9 @@ linked_client_targets="linked_libmysql_sources"
if test "$THREAD_SAFE_CLIENT" = "no"
then
sql_client_dirs="strings regex mysys extra libmysql client"
sql_client_dirs="strings regex mysys dbug extra libmysql client"
else
sql_client_dirs="strings regex mysys extra libmysql libmysql_r client"
sql_client_dirs="strings regex mysys dbug extra libmysql libmysql_r client"
linked_client_targets="$linked_client_targets linked_libmysql_r_sources"
AC_CONFIG_FILES(libmysql_r/Makefile)
AC_DEFINE([THREAD_SAFE_CLIENT], [1], [Should be client be thread safe])

2
myisam/mi_packrec.c
View file

@ -592,8 +592,8 @@ static uint copy_decode_table(uint16 *to_pos, uint offset,
uint16 *decode_table)
{
uint prev_offset;
prev_offset= offset;
DBUG_ENTER("copy_decode_table");
prev_offset= offset;
/* Descent on the left side. */
if (!(*decode_table & IS_CHAR))

35
mysql-test/r/ndb_lock.result
View file

@ -87,11 +87,27 @@ x y z
rollback;
commit;
begin;
select * from t1 where y = 'one' or y = 'three' for update;
x y z
# # #
# # #
begin;
select * from t1 where x = 2 for update;
x y z
2 two 2
select * from t1 where x = 1 for update;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
rollback;
commit;
begin;
select * from t1 where y = 'one' or y = 'three' order by x for update;
x y z
1 one 1
3 three 3
begin;
select * from t1 where x = 2 for update;
x y z
2 two 2
select * from t1 where x = 1 for update;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
rollback;
@ -124,6 +140,22 @@ ERROR HY000: Lock wait timeout exceeded; try restarting transaction
rollback;
commit;
begin;
select * from t1 where y = 'one' or y = 'three' lock in share mode;
x y z
# # #
# # #
begin;
select * from t1 where y = 'one' lock in share mode;
x y z
1 one 1
select * from t1 where x = 2 for update;
x y z
2 two 2
select * from t1 where x = 1 for update;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
rollback;
commit;
begin;
select * from t1 where y = 'one' or y = 'three' order by x lock in share mode;
x y z
1 one 1
@ -132,6 +164,9 @@ begin;
select * from t1 where y = 'one' lock in share mode;
x y z
1 one 1
select * from t1 where x = 2 for update;
x y z
2 two 2
select * from t1 where x = 1 for update;
ERROR HY000: Lock wait timeout exceeded; try restarting transaction
rollback;

109
mysql-test/r/ps.result
View file

@ -1055,6 +1055,65 @@ EXECUTE stmt USING @a;
0 0
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
DROP TABLE IF EXISTS t1, t2;
CREATE TABLE t1 (i INT);
PREPARE st_19182
FROM "CREATE TABLE t2 (i INT, j INT, KEY (i), KEY(j)) SELECT i FROM t1";
EXECUTE st_19182;
DESC t2;
Field Type Null Key Default Extra
j int(11) YES MUL NULL
i int(11) YES MUL NULL
DROP TABLE t2;
EXECUTE st_19182;
DESC t2;
Field Type Null Key Default Extra
j int(11) YES MUL NULL
i int(11) YES MUL NULL
DEALLOCATE PREPARE st_19182;
DROP TABLE t2, t1;
drop database if exists mysqltest;
drop table if exists t1, t2;
create database mysqltest character set utf8;
prepare stmt1 from "create table mysqltest.t1 (c char(10))";
prepare stmt2 from "create table mysqltest.t2 select 'test'";
execute stmt1;
execute stmt2;
show create table mysqltest.t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c` char(10) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=utf8
show create table mysqltest.t2;
Table Create Table
t2 CREATE TABLE `t2` (
`test` varchar(4) character set latin1 NOT NULL default ''
) ENGINE=MyISAM DEFAULT CHARSET=utf8
drop table mysqltest.t1;
drop table mysqltest.t2;
alter database mysqltest character set latin1;
execute stmt1;
execute stmt2;
show create table mysqltest.t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c` char(10) character set utf8 default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
show create table mysqltest.t2;
Table Create Table
t2 CREATE TABLE `t2` (
`test` varchar(4) NOT NULL default ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop database mysqltest;
deallocate prepare stmt1;
deallocate prepare stmt2;
execute stmt;
show create table t1;
drop table t1;
execute stmt;
show create table t1;
drop table t1;
deallocate prepare stmt;
End of 4.1 tests.
create table t1 (a varchar(20));
insert into t1 values ('foo');
@ -1536,4 +1595,54 @@ a
2
DEALLOCATE PREPARE stmt;
DROP TABLE t1,t2;
drop table if exists t1;
create table t1 (s1 char(20));
prepare stmt from "alter table t1 modify s1 int";
execute stmt;
execute stmt;
drop table t1;
deallocate prepare stmt;
drop table if exists t1;
create table t1 (a int, b int);
prepare s_6895 from "alter table t1 drop column b";
execute s_6895;
show columns from t1;
Field Type Null Key Default Extra
a int(11) YES NULL
drop table t1;
create table t1 (a int, b int);
execute s_6895;
show columns from t1;
Field Type Null Key Default Extra
a int(11) YES NULL
drop table t1;
create table t1 (a int, b int);
execute s_6895;
show columns from t1;
Field Type Null Key Default Extra
a int(11) YES NULL
deallocate prepare s_6895;
drop table t1;
create table t1 (i int primary key auto_increment) comment='comment for table t1';
create table t2 (i int, j int, k int);
prepare stmt from "alter table t1 auto_increment=100";
execute stmt;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` int(11) NOT NULL auto_increment,
PRIMARY KEY (`i`)
) ENGINE=MyISAM AUTO_INCREMENT=100 DEFAULT CHARSET=latin1 COMMENT='comment for table t1'
flush tables;
select * from t2;
i j k
execute stmt;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`i` int(11) NOT NULL auto_increment,
PRIMARY KEY (`i`)
) ENGINE=MyISAM AUTO_INCREMENT=100 DEFAULT CHARSET=latin1 COMMENT='comment for table t1'
deallocate prepare stmt;
drop table t1, t2;
End of 5.0 tests.

6
mysql-test/r/select.result
View file

@ -3611,3 +3611,9 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range si,ai si 5 NULL 2 Using where
1 SIMPLE t3 eq_ref PRIMARY,ci PRIMARY 4 test.t2.a 1 Using where
DROP TABLE t1,t2,t3;
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(a int);
INSERT into t1 values (1), (2), (3);
SELECT * FROM t1 LIMIT 2, -1;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '-1' at line 1
DROP TABLE t1;

17
mysql-test/r/sp.result
View file

@ -5626,6 +5626,23 @@ Called B
Called B
drop procedure proc_21462_a|
drop procedure proc_21462_b|
drop table if exists t3|
drop procedure if exists proc_bug19733|
create table t3 (s1 int)|
create procedure proc_bug19733()
begin
declare v int default 0;
while v < 100 do
create index i on t3 (s1);
drop index i on t3;
set v = v + 1;
end while;
end|
call proc_bug19733()|
call proc_bug19733()|
call proc_bug19733()|
drop procedure proc_bug19733|
drop table t3|
End of 5.0 tests
DROP TABLE IF EXISTS bug23760|
DROP TABLE IF EXISTS bug23760_log|

49
mysql-test/t/ndb_lock.test
View file

@ -102,16 +102,36 @@ connection con1;
commit;
# table scan
#
# Note that there are two distinct execution paths in which we unlock
# non-matching rows inspected during table scan - one that is used in
# case of filesort and one that used in rest of cases. Below we cover
# the latter (Bug #20390 "SELECT FOR UPDATE does not release locks of
# untouched rows in full table scans").
connection con1;
begin;
select * from t1 where y = 'one' or y = 'three' order by x for update;
# We can't use "order by x" here as it will cause filesort
--replace_column 1 # 2 # 3 #
select * from t1 where y = 'one' or y = 'three' for update;
connection con2;
begin;
# Have to check with pk access here since scans take locks on
# all rows and then release them in chunks
# Bug #20390 SELECT FOR UPDATE does not release locks of untouched rows in full table scans
#select * from t1 where x = 2 for update;
select * from t1 where x = 2 for update;
--error 1205
select * from t1 where x = 1 for update;
rollback;
connection con1;
commit;
# And now the test for case with filesort
begin;
select * from t1 where y = 'one' or y = 'three' order by x for update;
connection con2;
begin;
select * from t1 where x = 2 for update;
--error 1205
select * from t1 where x = 1 for update;
rollback;
@ -157,15 +177,32 @@ commit;
# table scan
connection con1;
begin;
select * from t1 where y = 'one' or y = 'three' order by x lock in share mode;
# We can't use "order by x" here as it will cause filesort
--replace_column 1 # 2 # 3 #
select * from t1 where y = 'one' or y = 'three' lock in share mode;
connection con2;
begin;
select * from t1 where y = 'one' lock in share mode;
# Have to check with pk access here since scans take locks on
# all rows and then release them in chunks
# Bug #20390 SELECT FOR UPDATE does not release locks of untouched rows in full table scans
#select * from t1 where x = 2 for update;
select * from t1 where x = 2 for update;
--error 1205
select * from t1 where x = 1 for update;
rollback;
connection con1;
commit;
# And the same test for case with filesort
connection con1;
begin;
select * from t1 where y = 'one' or y = 'three' order by x lock in share mode;
connection con2;
begin;
select * from t1 where y = 'one' lock in share mode;
select * from t1 where x = 2 for update;
--error 1205
select * from t1 where x = 1 for update;
rollback;

159
mysql-test/t/ps.test
View file

@ -1106,11 +1106,95 @@ EXECUTE stmt USING @a;
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
#
# Bug#19182: CREATE TABLE bar (m INT) SELECT n FROM foo; doesn't work
# from stored procedure.
#
# The cause of a bug was that cached LEX::create_list was modified,
# and then together with LEX::key_list was reset.
#
--disable_warnings
DROP TABLE IF EXISTS t1, t2;
--enable_warnings
CREATE TABLE t1 (i INT);
PREPARE st_19182
FROM "CREATE TABLE t2 (i INT, j INT, KEY (i), KEY(j)) SELECT i FROM t1";
EXECUTE st_19182;
DESC t2;
DROP TABLE t2;
# Check that on second execution we don't loose 'j' column and the keys
# on 'i' and 'j' columns.
EXECUTE st_19182;
DESC t2;
DEALLOCATE PREPARE st_19182;
DROP TABLE t2, t1;
#
# Bug #22060 "ALTER TABLE x AUTO_INCREMENT=y in SP crashes server"
#
# Code which implemented CREATE/ALTER TABLE and CREATE DATABASE
# statement modified HA_CREATE_INFO structure in LEX, making these
# statements PS/SP-unsafe (their re-execution might have resulted
# in incorrect results).
#
--disable_warnings
drop database if exists mysqltest;
drop table if exists t1, t2;
--enable_warnings
# CREATE TABLE and CREATE TABLE ... SELECT
create database mysqltest character set utf8;
prepare stmt1 from "create table mysqltest.t1 (c char(10))";
prepare stmt2 from "create table mysqltest.t2 select 'test'";
execute stmt1;
execute stmt2;
show create table mysqltest.t1;
show create table mysqltest.t2;
drop table mysqltest.t1;
drop table mysqltest.t2;
alter database mysqltest character set latin1;
execute stmt1;
execute stmt2;
show create table mysqltest.t1;
show create table mysqltest.t2;
drop database mysqltest;
deallocate prepare stmt1;
deallocate prepare stmt2;
#
# CREATE TABLE with DATA DIRECTORY option
#
# Protect ourselves from data left in tmp/ by a previos possibly failed
# test
--system rm -f $MYSQLTEST_VARDIR/tmp/t1.*
--disable_query_log
eval prepare stmt from "create table t1 (c char(10)) data directory='$MYSQLTEST_VARDIR/tmp'";
--enable_query_log
execute stmt;
#
# DATA DIRECTORY option does not always work: if the operating
# system does not support symlinks, have_symlinks option is automatically
# disabled.
# In this case DATA DIRECTORY is silently ignored when
# creating a table, and is not output by SHOW CREATE TABLE.
#
--disable_result_log
show create table t1;
--enable_result_log
drop table t1;
execute stmt;
--disable_result_log
show create table t1;
--enable_result_log
drop table t1;
deallocate prepare stmt;
--echo End of 4.1 tests.
############################# 5.0 tests start ################################
#
#
@ -1585,5 +1669,76 @@ EXECUTE stmt USING @arg;
DEALLOCATE PREPARE stmt;
DROP TABLE t1,t2;
#
# Bug#4968 "Stored procedure crash if cursor opened on altered table"
# The bug is not repeatable any more after the fix for
# Bug#15217 "Bug #15217 Using a SP cursor on a table created with PREPARE
# fails with weird error", however ALTER TABLE is not re-execution friendly
# and that caused a valgrind warning. Check that the warning is gone.
#
--disable_warnings
drop table if exists t1;
--enable_warnings
create table t1 (s1 char(20));
prepare stmt from "alter table t1 modify s1 int";
execute stmt;
execute stmt;
drop table t1;
deallocate prepare stmt;
#
# Bug#6895 "Prepared Statements: ALTER TABLE DROP COLUMN does nothing"
#
--disable_warnings
drop table if exists t1;
--enable_warnings
create table t1 (a int, b int);
prepare s_6895 from "alter table t1 drop column b";
execute s_6895;
show columns from t1;
drop table t1;
create table t1 (a int, b int);
execute s_6895;
show columns from t1;
drop table t1;
create table t1 (a int, b int);
execute s_6895;
show columns from t1;
deallocate prepare s_6895;
drop table t1;
#
# Bug #22060 "ALTER TABLE x AUTO_INCREMENT=y in SP crashes server"
#
# 5.0 part of the test.
#
# ALTER TABLE
create table t1 (i int primary key auto_increment) comment='comment for table t1';
create table t2 (i int, j int, k int);
prepare stmt from "alter table t1 auto_increment=100";
execute stmt;
show create table t1;
# Let us trash table-cache's memory
flush tables;
select * from t2;
execute stmt;
show create table t1;
deallocate prepare stmt;
drop table t1, t2;
# 5.1 part of the test.
# CREATE DATABASE
#set @old_character_set_server= @@character_set_server;
#set @@character_set_server= latin1;
#prepare stmt from "create database mysqltest";
#execute stmt;
#show create database mysqltest;
#drop database mysqltest;
#set @@character_set_server= utf8;
#execute stmt;
#show create database mysqltest;
#drop database mysqltest;
#deallocate prepare stmt;
#set @@character_set_server= @old_character_set_server;
--echo End of 5.0 tests.

20
mysql-test/t/select.test
View file

@ -3092,3 +3092,23 @@ SELECT t3.a FROM t1,t2,t3
t3.c IN ('bb','ee');
DROP TABLE t1,t2,t3;
#
# Bug#6298: LIMIT #, -1 no longer works to set start with no end limit
#
--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings
CREATE TABLE t1(a int);
INSERT into t1 values (1), (2), (3);
# LIMIT N, -1 was accepted by accident in 4.0, but was not intended.
# This test verifies that this illegal construct is now properly detected.
--error ER_PARSE_ERROR
SELECT * FROM t1 LIMIT 2, -1;
DROP TABLE t1;

28
mysql-test/t/sp.test
View file

@ -6587,6 +6587,34 @@ call proc_21462_b(1)|
drop procedure proc_21462_a|
drop procedure proc_21462_b|
#
# Bug#19733 "Repeated alter, or repeated create/drop, fails"
# Check that CREATE/DROP INDEX is re-execution friendly.
#
--disable_warnings
drop table if exists t3|
drop procedure if exists proc_bug19733|
--enable_warnings
create table t3 (s1 int)|
create procedure proc_bug19733()
begin
declare v int default 0;
while v < 100 do
create index i on t3 (s1);
drop index i on t3;
set v = v + 1;
end while;
end|
call proc_bug19733()|
call proc_bug19733()|
call proc_bug19733()|
drop procedure proc_bug19733|
drop table t3|
--echo End of 5.0 tests

2
sql/ha_ndbcluster.cc
View file

@ -6111,7 +6111,7 @@ ndb_get_table_statistics(ha_ndbcluster* file, bool report_error, Ndb* ndb,
retry:
if(report_error)
{
if (file)
if (file && pTrans)
{
reterr= file->ndb_err(pTrans);
}

16
sql/mysql_priv.h
View file

@ -773,17 +773,15 @@ int prepare_create_field(create_field *sql_field,
uint table_flags);
bool mysql_create_table(THD *thd,const char *db, const char *table_name,
HA_CREATE_INFO *create_info,
List<create_field> &fields, List<Key> &keys,
Alter_info *alter_info,
bool tmp_table, uint select_field_count);
bool mysql_alter_table(THD *thd, char *new_db, char *new_name,
HA_CREATE_INFO *create_info,
TABLE_LIST *table_list,
List<create_field> &fields,
List<Key> &keys,
uint order_num, ORDER *order, bool ignore,
ALTER_INFO *alter_info, bool do_send_ok);
bool mysql_recreate_table(THD *thd, TABLE_LIST *table_list, bool do_send_ok);
Alter_info *alter_info,
uint order_num, ORDER *order, bool ignore);
bool mysql_recreate_table(THD *thd, TABLE_LIST *table_list);
bool mysql_create_like_table(THD *thd, TABLE_LIST *table,
HA_CREATE_INFO *create_info,
Table_ident *src_table);
@ -792,9 +790,6 @@ bool mysql_rename_table(enum db_type base,
const char * old_name,
const char *new_db,
const char * new_name);
bool mysql_create_index(THD *thd, TABLE_LIST *table_list, List<Key> &keys);
bool mysql_drop_index(THD *thd, TABLE_LIST *table_list,
ALTER_INFO *alter_info);
bool mysql_prepare_update(THD *thd, TABLE_LIST *table_list,
Item **conds, uint order_num, ORDER *order);
int mysql_update(THD *thd,TABLE_LIST *tables,List<Item> &fields,
@ -896,7 +891,8 @@ int get_quote_char_for_identifier(THD *thd, const char *name, uint length);
void mysqld_list_fields(THD *thd,TABLE_LIST *table, const char *wild);
int mysqld_dump_create_info(THD *thd, TABLE_LIST *table_list, int fd);
bool mysqld_show_create(THD *thd, TABLE_LIST *table_list);
bool mysqld_show_create_db(THD *thd, char *dbname, HA_CREATE_INFO *create);
bool mysqld_show_create_db(THD *thd, char *dbname,
const HA_CREATE_INFO *create);
void mysqld_list_processes(THD *thd,const char *user,bool verbose);
int mysqld_show_status(THD *thd);

5
sql/mysqld.cc
View file

@ -5466,6 +5466,11 @@ log and this option does nothing anymore.",
0, 0, 0, 0, 0},
{"use-symbolic-links", 's', "Enable symbolic link support. Deprecated option; use --symbolic-links instead.",
(gptr*) &my_use_symdir, (gptr*) &my_use_symdir, 0, GET_BOOL, NO_ARG,
/*
The system call realpath() produces warnings under valgrind and
purify. These are not suppressed: instead we disable symlinks
option if compiled with valgrind support.
*/
IF_PURIFY(0,1), 0, 0, 0, 0, 0},
{"user", 'u', "Run mysqld daemon as user.", 0, 0, 0, GET_STR, REQUIRED_ARG,
0, 0, 0, 0, 0, 0},

21
sql/sql_class.h
View file

@ -1839,21 +1839,22 @@ class select_insert :public select_result_interceptor {
class select_create: public select_insert {
ORDER *group;
TABLE_LIST *create_table;
List<create_field> *extra_fields;
List<Key> *keys;
HA_CREATE_INFO *create_info;
Alter_info *alter_info;
MYSQL_LOCK *lock;
Field **field;
public:
select_create (TABLE_LIST *table,
HA_CREATE_INFO *create_info_par,
List<create_field> &fields_par,
List<Key> &keys_par,
List<Item> &select_fields,enum_duplicates duplic, bool ignore)
:select_insert (NULL, NULL, &select_fields, 0, 0, duplic, ignore), create_table(table),
extra_fields(&fields_par),keys(&keys_par), create_info(create_info_par),
select_create(TABLE_LIST *table,
HA_CREATE_INFO *create_info_arg,
Alter_info *alter_info_arg,
List<Item> &select_fields,
enum_duplicates duplic, bool ignore)
:select_insert(NULL, NULL, &select_fields, 0, 0, duplic, ignore),
create_table(table),
create_info(create_info_arg),
alter_info(alter_info_arg),
lock(0)
{}
{}
int prepare(List<Item> &list, SELECT_LEX_UNIT *u);
void store_values(List<Item> &values);
void send_error(uint errcode,const char *err);

17
sql/sql_insert.cc
View file

@ -2616,11 +2616,11 @@ bool select_insert::send_eof()
temporary table flag)
create_table in Pointer to TABLE_LIST object providing database
and name for table to be created or to be open
extra_fields in/out Initial list of fields for table to be created
keys in List of keys for table to be created
alter_info in/out Initial list of columns and indexes for the table
to be created
items in List of items which should be used to produce rest
of fields for the table (corresponding fields will
be added to the end of 'extra_fields' list)
be added to the end of alter_info->create_list)
lock out Pointer to the MYSQL_LOCK object for table created
(open) will be returned in this parameter. Since
this table is not included in THD::lock caller is
@ -2642,8 +2642,8 @@ bool select_insert::send_eof()
static TABLE *create_table_from_items(THD *thd, HA_CREATE_INFO *create_info,
TABLE_LIST *create_table,
List<create_field> *extra_fields,
List<Key> *keys, List<Item> *items,
Alter_info *alter_info,
List<Item> *items,
MYSQL_LOCK **lock)
{
TABLE tmp_table; // Used during 'create_field()'
@ -2682,7 +2682,7 @@ static TABLE *create_table_from_items(THD *thd, HA_CREATE_INFO *create_info,
DBUG_RETURN(0);
if (item->maybe_null)
cr_field->flags &= ~NOT_NULL_FLAG;
extra_fields->push_back(cr_field);
alter_info->create_list.push_back(cr_field);
}
/*
create and lock table
@ -2703,8 +2703,7 @@ static TABLE *create_table_from_items(THD *thd, HA_CREATE_INFO *create_info,
{
tmp_disable_binlog(thd);
if (!mysql_create_table(thd, create_table->db, create_table->table_name,
create_info, *extra_fields, *keys, 0,
select_field_count))
create_info, alter_info, 0, select_field_count))
{
/*
If we are here in prelocked mode we either create temporary table
@ -2760,7 +2759,7 @@ select_create::prepare(List<Item> &values, SELECT_LEX_UNIT *u)
unit= u;
table= create_table_from_items(thd, create_info, create_table,
extra_fields, keys, &values, &lock);
alter_info, &values, &lock);
if (!table)
DBUG_RETURN(-1); // abort() deletes table

11
sql/sql_lex.cc
View file

@ -1054,6 +1054,17 @@ int MYSQLlex(void *arg, void *yythd)
}
Alter_info::Alter_info(const Alter_info &rhs, MEM_ROOT *mem_root)
:drop_list(rhs.drop_list, mem_root),
alter_list(rhs.alter_list, mem_root),
key_list(rhs.key_list, mem_root),
create_list(rhs.create_list, mem_root),
flags(rhs.flags),
keys_onoff(rhs.keys_onoff),
tablespace_op(rhs.tablespace_op)
{}
/*
Skip comment in the end of statement.

54
sql/sql_lex.h
View file

@ -686,18 +686,58 @@ typedef class st_select_lex SELECT_LEX;
#define ALTER_CONVERT 1024
#define ALTER_FORCE 2048
typedef struct st_alter_info
/**
@brief Parsing data for CREATE or ALTER TABLE.
This structure contains a list of columns or indexes to be created,
altered or dropped.
*/
class Alter_info
{
public:
List<Alter_drop> drop_list;
List<Alter_column> alter_list;
List<Key> key_list;
List<create_field> create_list;
uint flags;
enum enum_enable_or_disable keys_onoff;
enum tablespace_op_type tablespace_op;
st_alter_info(){clear();}
void clear(){keys_onoff= LEAVE_AS_IS;tablespace_op= NO_TABLESPACE_OP;}
void reset(){drop_list.empty();alter_list.empty();clear();}
} ALTER_INFO;
Alter_info() :
flags(0),
keys_onoff(LEAVE_AS_IS),
tablespace_op(NO_TABLESPACE_OP)
{}
void reset()
{
drop_list.empty();
alter_list.empty();
key_list.empty();
create_list.empty();
flags= 0;
keys_onoff= LEAVE_AS_IS;
tablespace_op= NO_TABLESPACE_OP;
}
/**
Construct a copy of this object to be used for mysql_alter_table
and mysql_create_table. Historically, these two functions modify
their Alter_info arguments. This behaviour breaks re-execution of
prepared statements and stored procedures and is compensated by
always supplying a copy of Alter_info to these functions.
The constructed copy still shares key Key, Alter_drop, create_field
and Alter_column elements of the lists - these structures are not
modified and thus are not copied.
@note You need to use check thd->is_fatal_error for out
of memory condition after calling this function.
*/
Alter_info(const Alter_info &rhs, MEM_ROOT *mem_root);
private:
Alter_info &operator=(const Alter_info &rhs); // not implemented
Alter_info(const Alter_info &rhs); // not implemented
};
struct st_sp_chistics
{
@ -883,8 +923,6 @@ typedef struct st_lex : public Query_tables_list
List<String> interval_list;
List<LEX_USER> users_list;
List<LEX_COLUMN> columns;
List<Key> key_list;
List<create_field> create_list;
List<Item> *insert_list,field_list,value_list,update_list;
List<List_item> many_values;
List<set_var_base> var_list;
@ -977,7 +1015,7 @@ typedef struct st_lex : public Query_tables_list
bool safe_to_cache_query;
bool subqueries, ignore;
st_parsing_options parsing_options;
ALTER_INFO alter_info;
Alter_info alter_info;
/* Prepared statements SQL syntax:*/
LEX_STRING prepared_stmt_name; /* Statement name (in all queries) */
/*

68
sql/sql_list.h
View file

@ -61,21 +61,24 @@ public:
pointer.
*/
class list_node :public Sql_alloc
/**
list_node - a node of a single-linked list.
@note We never call a destructor for instances of this class.
*/
struct list_node :public Sql_alloc
{
public:
list_node *next;
void *info;
list_node(void *info_par,list_node *next_par)
:next(next_par),info(info_par)
{}
{}
list_node() /* For end_of_list */
{
info=0;
next= this;
}
friend class base_list;
friend class base_list_iterator;
{
info= 0;
next= this;
}
};
@ -91,12 +94,57 @@ public:
inline void empty() { elements=0; first= &end_of_list; last=&first;}
inline base_list() { empty(); }
/**
This is a shallow copy constructor that implicitly passes the ownership
from the source list to the new instance. The old instance is not
updated, so both objects end up sharing the same nodes. If one of
the instances then adds or removes a node, the other becomes out of
sync ('last' pointer), while still operational. Some old code uses and
relies on this behaviour. This logic is quite tricky: please do not use
it in any new code.
*/
inline base_list(const base_list &tmp) :Sql_alloc()
{
elements= tmp.elements;
first= tmp.first;
last= elements ? tmp.last : &first;
}
/**
Construct a deep copy of the argument in memory root mem_root.
The elements themselves are copied by pointer.
*/
inline base_list(const base_list &rhs, MEM_ROOT *mem_root)
{
if (rhs.elements)
{
/*
It's okay to allocate an array of nodes at once: we never
call a destructor for list_node objects anyway.
*/
first= (list_node*) alloc_root(mem_root,
sizeof(list_node) * rhs.elements);
if (first)
{
elements= rhs.elements;
list_node *dst= first;
list_node *src= rhs.first;
for (; dst < first + elements - 1; dst++, src= src->next)
{
dst->info= src->info;
dst->next= dst + 1;
}
/* Copy the last node */
dst->info= src->info;
dst->next= &end_of_list;
/* Setup 'last' member */
last= &dst->next;
return;
}
}
elements= 0;
first= &end_of_list;
last= &first;
}
inline base_list(bool error) { }
inline bool push_back(void *info)
{
@ -347,6 +395,8 @@ template <class T> class List :public base_list
public:
inline List() :base_list() {}
inline List(const List<T> &tmp) :base_list(tmp) {}
inline List(const List<T> &tmp, MEM_ROOT *mem_root) :
base_list(tmp, mem_root) {}
inline bool push_back(T *a) { return base_list::push_back(a); }
inline bool push_back(T *a, MEM_ROOT *mem_root)
{ return base_list::push_back(a, mem_root); }

232
sql/sql_parse.cc
View file

@ -2894,17 +2894,35 @@ mysql_execute_command(THD *thd)
// Skip first table, which is the table we are creating
TABLE_LIST *create_table= lex->unlink_first_table(&link_to_local);
TABLE_LIST *select_tables= lex->query_tables;
/*
Code below (especially in mysql_create_table() and select_create
methods) may modify HA_CREATE_INFO structure in LEX, so we have to
use a copy of this structure to make execution prepared statement-
safe. A shallow copy is enough as this code won't modify any memory
referenced from this structure.
*/
HA_CREATE_INFO create_info(lex->create_info);
Alter_info alter_info(lex->alter_info, thd->mem_root);
if (thd->is_fatal_error)
{
/* out of memory when creating a copy of alter_info */
res= 1;
goto end_with_restore_list;
}
if ((res= create_table_precheck(thd, select_tables, create_table)))
goto end_with_restore_list;
create_info.alias= create_table->alias;
#ifndef HAVE_READLINK
lex->create_info.data_file_name=lex->create_info.index_file_name=0;
create_info.data_file_name= create_info.index_file_name= NULL;
#else
/* Fix names if symlinked tables */
if (append_file_to_dir(thd, &lex->create_info.data_file_name,
if (append_file_to_dir(thd, &create_info.data_file_name,
create_table->table_name) ||
append_file_to_dir(thd, &lex->create_info.index_file_name,
append_file_to_dir(thd, &create_info.index_file_name,
create_table->table_name))
goto end_with_restore_list;
#endif
@ -2912,14 +2930,14 @@ mysql_execute_command(THD *thd)
If we are using SET CHARSET without DEFAULT, add an implicit
DEFAULT to not confuse old users. (This may change).
*/
if ((lex->create_info.used_fields &
if ((create_info.used_fields &
(HA_CREATE_USED_DEFAULT_CHARSET | HA_CREATE_USED_CHARSET)) ==
HA_CREATE_USED_CHARSET)
{
lex->create_info.used_fields&= ~HA_CREATE_USED_CHARSET;
lex->create_info.used_fields|= HA_CREATE_USED_DEFAULT_CHARSET;
lex->create_info.default_table_charset= lex->create_info.table_charset;
lex->create_info.table_charset= 0;
create_info.used_fields&= ~HA_CREATE_USED_CHARSET;
create_info.used_fields|= HA_CREATE_USED_DEFAULT_CHARSET;
create_info.default_table_charset= create_info.table_charset;
create_info.table_charset= 0;
}
/*
The create-select command will open and read-lock the select table
@ -2953,7 +2971,7 @@ mysql_execute_command(THD *thd)
Is table which we are changing used somewhere in other parts
of query
*/
if (!(lex->create_info.options & HA_LEX_CREATE_TMP_TABLE))
if (!(create_info.options & HA_LEX_CREATE_TMP_TABLE))
{
TABLE_LIST *duplicate;
if ((duplicate= unique_table(thd, create_table, select_tables)))
@ -2964,10 +2982,10 @@ mysql_execute_command(THD *thd)
}
}
/* If we create merge table, we have to test tables in merge, too */
if (lex->create_info.used_fields & HA_CREATE_USED_UNION)
if (create_info.used_fields & HA_CREATE_USED_UNION)
{
TABLE_LIST *tab;
for (tab= (TABLE_LIST*) lex->create_info.merge_list.first;
for (tab= (TABLE_LIST*) create_info.merge_list.first;
tab;
tab= tab->next_local)
{
@ -2980,14 +2998,16 @@ mysql_execute_command(THD *thd)
}
}
}
/*
select_create is currently not re-execution friendly and
needs to be created for every execution of a PS/SP.
*/
if ((result= new select_create(create_table,
&lex->create_info,
lex->create_list,
lex->key_list,
select_lex->item_list,
lex->duplicates,
lex->ignore)))
&create_info,
&alter_info,
select_lex->item_list,
lex->duplicates,
lex->ignore)))
{
/*
CREATE from SELECT give its SELECT_LEX for SELECT,
@ -2996,23 +3016,19 @@ mysql_execute_command(THD *thd)
res= handle_select(thd, lex, result, 0);
delete result;
}
/* reset for PS */
lex->create_list.empty();
lex->key_list.empty();
}
}
else
{
/* regular create */
if (lex->name)
res= mysql_create_like_table(thd, create_table, &lex->create_info,
(Table_ident *)lex->name);
res= mysql_create_like_table(thd, create_table, &create_info,
(Table_ident *)lex->name);
else
{
res= mysql_create_table(thd, create_table->db,
create_table->table_name, &lex->create_info,
lex->create_list,
lex->key_list, 0, 0);
create_table->table_name, &create_info,
&alter_info, 0, 0);
}
if (!res)
send_ok(thd);
@ -3024,16 +3040,49 @@ end_with_restore_list:
break;
}
case SQLCOM_CREATE_INDEX:
/* Fall through */
case SQLCOM_DROP_INDEX:
/*
CREATE INDEX and DROP INDEX are implemented by calling ALTER
TABLE with proper arguments. This isn't very fast but it
should work for most cases.
In the future ALTER TABLE will notice that only added
indexes and create these one by one for the existing table
without having to do a full rebuild.
One should normally create all indexes with CREATE TABLE or
ALTER TABLE.
*/
{
Alter_info alter_info(lex->alter_info, thd->mem_root);
HA_CREATE_INFO create_info;
if (thd->is_fatal_error) /* out of memory creating a copy of alter_info*/
goto error;
DBUG_ASSERT(first_table == all_tables && first_table != 0);
if (check_one_table_access(thd, INDEX_ACL, all_tables))
if (check_one_table_access(thd, INDEX_ACL, first_table))
goto error; /* purecov: inspected */
thd->enable_slow_log= opt_log_slow_admin_statements;
if (end_active_trans(thd))
goto error;
else
res = mysql_create_index(thd, first_table, lex->key_list);
break;
/*
Currently CREATE INDEX or DROP INDEX cause a full table rebuild
and thus classify as slow administrative statements just like
ALTER TABLE.
*/
thd->enable_slow_log= opt_log_slow_admin_statements;
bzero((char*) &create_info, sizeof(create_info));
create_info.db_type= DB_TYPE_DEFAULT;
create_info.row_type= ROW_TYPE_NOT_USED;
create_info.default_table_charset= thd->variables.collation_database;
res= mysql_alter_table(thd, first_table->db, first_table->table_name,
&create_info, first_table, &alter_info,
0, (ORDER*) 0, 0);
break;
}
#ifdef HAVE_REPLICATION
case SQLCOM_SLAVE_START:
{
@ -3074,6 +3123,17 @@ end_with_restore_list:
DBUG_ASSERT(first_table == all_tables && first_table != 0);
{
ulong priv=0;
/*
Code in mysql_alter_table() may modify its HA_CREATE_INFO argument,
so we have to use a copy of this structure to make execution
prepared statement- safe. A shallow copy is enough as no memory
referenced from this structure will be modified.
*/
HA_CREATE_INFO create_info(lex->create_info);
Alter_info alter_info(lex->alter_info, thd->mem_root);
if (thd->is_fatal_error) /* out of memory creating a copy of alter_info */
goto error;
if (lex->name && (!lex->name[0] || strlen(lex->name) > NAME_LEN))
{
my_error(ER_WRONG_TABLE_NAME, MYF(0), lex->name);
@ -3088,7 +3148,7 @@ end_with_restore_list:
is_schema_db(select_lex->db))||
check_merge_table_access(thd, first_table->db,
(TABLE_LIST *)
lex->create_info.merge_list.first))
create_info.merge_list.first))
goto error; /* purecov: inspected */
if (grant_option)
{
@ -3107,13 +3167,13 @@ end_with_restore_list:
}
}
/* Don't yet allow changing of symlinks with ALTER TABLE */
if (lex->create_info.data_file_name)
if (create_info.data_file_name)
push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, 0,
"DATA DIRECTORY option ignored");
if (lex->create_info.index_file_name)
if (create_info.index_file_name)
push_warning(thd, MYSQL_ERROR::WARN_LEVEL_WARN, 0,
"INDEX DIRECTORY option ignored");
lex->create_info.data_file_name=lex->create_info.index_file_name=0;
create_info.data_file_name= create_info.index_file_name= NULL;
/* ALTER TABLE ends previous transaction */
if (end_active_trans(thd))
goto error;
@ -3127,13 +3187,13 @@ end_with_restore_list:
}
thd->enable_slow_log= opt_log_slow_admin_statements;
res= mysql_alter_table(thd, select_lex->db, lex->name,
&lex->create_info,
first_table, lex->create_list,
lex->key_list,
select_lex->order_list.elements,
res= mysql_alter_table(thd, select_lex->db, lex->name,
&create_info,
first_table,
&alter_info,
select_lex->order_list.elements,
(ORDER *) select_lex->order_list.first,
lex->ignore, &lex->alter_info, 1);
lex->ignore);
}
break;
}
@ -3286,7 +3346,7 @@ end_with_restore_list:
goto error; /* purecov: inspected */
thd->enable_slow_log= opt_log_slow_admin_statements;
res= (specialflag & (SPECIAL_SAFE_MODE | SPECIAL_NO_NEW_FUNC)) ?
mysql_recreate_table(thd, first_table, 1) :
mysql_recreate_table(thd, first_table) :
mysql_optimize_table(thd, first_table, &lex->check_opt);
/* ! we write after unlocking the table */
if (!res && !lex->no_write_to_binlog)
@ -3602,15 +3662,6 @@ end_with_restore_list:
lex->drop_temporary);
}
break;
case SQLCOM_DROP_INDEX:
DBUG_ASSERT(first_table == all_tables && first_table != 0);
if (check_one_table_access(thd, INDEX_ACL, all_tables))
goto error; /* purecov: inspected */
if (end_active_trans(thd))
goto error;
else
res = mysql_drop_index(thd, first_table, &lex->alter_info);
break;
case SQLCOM_SHOW_PROCESSLIST:
if (!thd->security_ctx->priv_user[0] &&
check_global_access(thd,PROCESS_ACL))
@ -3739,6 +3790,12 @@ end_with_restore_list:
break;
case SQLCOM_CREATE_DB:
{
/*
As mysql_create_db() may modify HA_CREATE_INFO structure passed to
it, we need to use a copy of LEX::create_info to make execution
prepared statement- safe.
*/
HA_CREATE_INFO create_info(lex->create_info);
if (end_active_trans(thd))
{
res= -1;
@ -3766,10 +3823,11 @@ end_with_restore_list:
break;
}
#endif
if (check_access(thd,CREATE_ACL,lex->name,0,1,0,is_schema_db(lex->name)))
break;
res= mysql_create_db(thd,(lower_case_table_names == 2 ? alias : lex->name),
&lex->create_info, 0);
&create_info, 0);
break;
}
case SQLCOM_DROP_DB:
@ -4456,7 +4514,7 @@ create_sp_error:
goto error;
}
my_bool nsok= thd->net.no_send_ok;
my_bool save_no_send_ok= thd->net.no_send_ok;
thd->net.no_send_ok= TRUE;
if (sp->m_flags & sp_head::MULTI_RESULTS)
{
@ -4467,7 +4525,7 @@ create_sp_error:
back
*/
my_error(ER_SP_BADSELECT, MYF(0), sp->m_qname.str);
thd->net.no_send_ok= nsok;
thd->net.no_send_ok= save_no_send_ok;
goto error;
}
/*
@ -4483,7 +4541,7 @@ create_sp_error:
if (check_routine_access(thd, EXECUTE_ACL,
sp->m_db.str, sp->m_name.str, TRUE, FALSE))
{
thd->net.no_send_ok= nsok;
thd->net.no_send_ok= save_no_send_ok;
goto error;
}
#endif
@ -4508,7 +4566,7 @@ create_sp_error:
thd->variables.select_limit= select_limit;
thd->net.no_send_ok= nsok;
thd->net.no_send_ok= save_no_send_ok;
thd->server_status&= ~bits_to_be_cleared;
if (!res)
@ -5917,15 +5975,17 @@ bool add_field_to_list(THD *thd, char *field_name, enum_field_types type,
if (type_modifier & PRI_KEY_FLAG)
{
lex->col_list.push_back(new key_part_spec(field_name,0));
lex->key_list.push_back(new Key(Key::PRIMARY, NullS, HA_KEY_ALG_UNDEF,
0, lex->col_list));
lex->alter_info.key_list.push_back(new Key(Key::PRIMARY, NullS,
HA_KEY_ALG_UNDEF, 0,
lex->col_list));
lex->col_list.empty();
}
if (type_modifier & (UNIQUE_FLAG | UNIQUE_KEY_FLAG))
{
lex->col_list.push_back(new key_part_spec(field_name,0));
lex->key_list.push_back(new Key(Key::UNIQUE, NullS, HA_KEY_ALG_UNDEF, 0,
lex->col_list));
lex->alter_info.key_list.push_back(new Key(Key::UNIQUE, NullS,
HA_KEY_ALG_UNDEF, 0,
lex->col_list));
lex->col_list.empty();
}
@ -5988,7 +6048,7 @@ bool add_field_to_list(THD *thd, char *field_name, enum_field_types type,
interval_list, cs, uint_geom_type))
DBUG_RETURN(1);
lex->create_list.push_back(new_field);
lex->alter_info.create_list.push_back(new_field);
lex->last_field=new_field;
DBUG_RETURN(0);
}
@ -7016,55 +7076,6 @@ Item * all_any_subquery_creator(Item *left_expr,
}
/*
CREATE INDEX and DROP INDEX are implemented by calling ALTER TABLE with
the proper arguments. This isn't very fast but it should work for most
cases.
In the future ALTER TABLE will notice that only added indexes
and create these one by one for the existing table without having to do
a full rebuild.
One should normally create all indexes with CREATE TABLE or ALTER TABLE.
*/
bool mysql_create_index(THD *thd, TABLE_LIST *table_list, List<Key> &keys)
{
List<create_field> fields;
ALTER_INFO alter_info;
alter_info.flags= ALTER_ADD_INDEX;
HA_CREATE_INFO create_info;
DBUG_ENTER("mysql_create_index");
bzero((char*) &create_info,sizeof(create_info));
create_info.db_type=DB_TYPE_DEFAULT;
create_info.default_table_charset= thd->variables.collation_database;
create_info.row_type= ROW_TYPE_NOT_USED;
DBUG_RETURN(mysql_alter_table(thd,table_list->db,table_list->table_name,
&create_info, table_list,
fields, keys, 0, (ORDER*)0,
0, &alter_info, 1));
}
bool mysql_drop_index(THD *thd, TABLE_LIST *table_list, ALTER_INFO *alter_info)
{
List<create_field> fields;
List<Key> keys;
HA_CREATE_INFO create_info;
DBUG_ENTER("mysql_drop_index");
bzero((char*) &create_info,sizeof(create_info));
create_info.db_type=DB_TYPE_DEFAULT;
create_info.default_table_charset= thd->variables.collation_database;
create_info.row_type= ROW_TYPE_NOT_USED;
alter_info->clear();
alter_info->flags= ALTER_DROP_INDEX;
DBUG_RETURN(mysql_alter_table(thd,table_list->db,table_list->table_name,
&create_info, table_list,
fields, keys, 0, (ORDER*)0,
0, alter_info, 1));
}
/*
Multi update query pre-check
@ -7363,7 +7374,6 @@ bool create_table_precheck(THD *thd, TABLE_LIST *tables,
want_priv= ((lex->create_info.options & HA_LEX_CREATE_TMP_TABLE) ?
CREATE_TMP_ACL : CREATE_ACL);
lex->create_info.alias= create_table->alias;
if (check_access(thd, want_priv, create_table->db,
&create_table->grant.privilege, 0, 0,
test(create_table->schema_table)) ||

1
sql/sql_select.cc
View file

@ -10434,6 +10434,7 @@ evaluate_join_record(JOIN *join, JOIN_TAB *join_tab,
*/
join->examined_rows++;
join->thd->row_count++;
join_tab->read_record.file->unlock_row();
}
return NESTED_LOOP_OK;
}

2
sql/sql_show.cc
View file

@ -460,7 +460,7 @@ mysqld_show_create(THD *thd, TABLE_LIST *table_list)
}
bool mysqld_show_create_db(THD *thd, char *dbname,
HA_CREATE_INFO *create_info)
const HA_CREATE_INFO *create_info)
{
Security_context *sctx= thd->security_ctx;
char buff[2048];

170
sql/sql_table.cc
View file

@ -645,8 +645,7 @@ int prepare_create_field(create_field *sql_field,
mysql_prepare_table()
thd Thread object
create_info Create information (like MAX_ROWS)
fields List of fields to create
keys List of keys to create
alter_info List of columns and indexes to create
DESCRIPTION
Prepares the table and key structures for table creation.
@ -660,8 +659,8 @@ int prepare_create_field(create_field *sql_field,
*/
static int mysql_prepare_table(THD *thd, HA_CREATE_INFO *create_info,
List<create_field> *fields,
List<Key> *keys, bool tmp_table,
Alter_info *alter_info,
bool tmp_table,
uint *db_options,
handler *file, KEY **key_info_buffer,
uint *key_count, int select_field_count)
@ -675,11 +674,12 @@ static int mysql_prepare_table(THD *thd, HA_CREATE_INFO *create_info,
int timestamps= 0, timestamps_with_niladic= 0;
int field_no,dup_no;
int select_field_pos,auto_increment=0;
List_iterator<create_field> it(*fields),it2(*fields);
List_iterator<create_field> it(alter_info->create_list);
List_iterator<create_field> it2(alter_info->create_list);
uint total_uneven_bit_length= 0;
DBUG_ENTER("mysql_prepare_table");
select_field_pos= fields->elements - select_field_count;
select_field_pos= alter_info->create_list.elements - select_field_count;
null_fields=blob_columns=0;
create_info->varchar= 0;
max_key_length= file->max_key_length();
@ -1004,7 +1004,8 @@ static int mysql_prepare_table(THD *thd, HA_CREATE_INFO *create_info,
/* Create keys */
List_iterator<Key> key_iterator(*keys), key_iterator2(*keys);
List_iterator<Key> key_iterator(alter_info->key_list);
List_iterator<Key> key_iterator2(alter_info->key_list);
uint key_parts=0, fk_key_count=0;
bool primary_key=0,unique_key=0;
Key *key, *key2;
@ -1563,14 +1564,13 @@ void sp_prepare_create_field(THD *thd, create_field *sql_field)
SYNOPSIS
mysql_create_table()
thd Thread object
db Database
table_name Table name
create_info Create information (like MAX_ROWS)
fields List of fields to create
keys List of keys to create
internal_tmp_table Set to 1 if this is an internal temporary table
(From ALTER TABLE)
thd Thread object
db Database
table_name Table name
create_info [in/out] Create information (like MAX_ROWS)
alter_info [in/out] List of columns and indexes to create
internal_tmp_table Set to 1 if this is an internal temporary table
(From ALTER TABLE)
DESCRIPTION
If one creates a temporary table, this is automatically opened
@ -1580,6 +1580,11 @@ void sp_prepare_create_field(THD *thd, create_field *sql_field)
select_field_count is also used for CREATE ... SELECT,
and must be zero for standard create of table.
Note that structures passed as 'create_info' and 'alter_info' parameters
may be modified by this function. It is responsibility of the caller to
make a copy of create_info in order to provide correct execution in
prepared statements/stored routines.
RETURN VALUES
FALSE OK
TRUE error
@ -1587,8 +1592,8 @@ void sp_prepare_create_field(THD *thd, create_field *sql_field)
bool mysql_create_table(THD *thd,const char *db, const char *table_name,
HA_CREATE_INFO *create_info,
List<create_field> &fields,
List<Key> &keys,bool internal_tmp_table,
Alter_info *alter_info,
bool internal_tmp_table,
uint select_field_count)
{
char path[FN_REFLEN];
@ -1600,7 +1605,7 @@ bool mysql_create_table(THD *thd,const char *db, const char *table_name,
DBUG_ENTER("mysql_create_table");
/* Check for duplicate fields and check type of table to create */
if (!fields.elements)
if (!alter_info->create_list.elements)
{
my_message(ER_TABLE_MUST_HAVE_COLUMNS, ER(ER_TABLE_MUST_HAVE_COLUMNS),
MYF(0));
@ -1644,10 +1649,10 @@ bool mysql_create_table(THD *thd,const char *db, const char *table_name,
create_info->default_table_charset= db_info.default_table_charset;
}
if (mysql_prepare_table(thd, create_info, &fields,
&keys, internal_tmp_table, &db_options, file,
&key_info_buffer, &key_count,
select_field_count))
if (mysql_prepare_table(thd, create_info, alter_info, internal_tmp_table,
&db_options, file,
&key_info_buffer, &key_count,
select_field_count))
DBUG_RETURN(TRUE);
/* Check if table exists */
@ -1737,8 +1742,8 @@ bool mysql_create_table(THD *thd,const char *db, const char *table_name,
create_info->table_options=db_options;
if (rea_create_table(thd, path, db, table_name,
create_info, fields, key_count,
key_info_buffer))
create_info, alter_info->create_list,
key_count, key_info_buffer))
goto end;
if (create_info->options & HA_LEX_CREATE_TMP_TABLE)
{
@ -2323,9 +2328,12 @@ static bool mysql_admin_table(THD* thd, TABLE_LIST* tables,
(table->table->file->ha_check_for_upgrade(check_opt) ==
HA_ADMIN_NEEDS_ALTER))
{
my_bool save_no_send_ok= thd->net.no_send_ok;
close_thread_tables(thd);
tmp_disable_binlog(thd); // binlogging is done by caller if wanted
result_code= mysql_recreate_table(thd, table, 0);
thd->net.no_send_ok= TRUE;
result_code= mysql_recreate_table(thd, table);
thd->net.no_send_ok= save_no_send_ok;
reenable_binlog(thd);
goto send_result;
}
@ -2404,6 +2412,7 @@ send_result_message:
case HA_ADMIN_TRY_ALTER:
{
my_bool save_no_send_ok= thd->net.no_send_ok;
/*
This is currently used only by InnoDB. ha_innobase::optimize() answers
"try with alter", so here we close the table, do an ALTER TABLE,
@ -2414,7 +2423,9 @@ send_result_message:
*save_next_global= table->next_global;
table->next_local= table->next_global= 0;
tmp_disable_binlog(thd); // binlogging is done by caller if wanted
result_code= mysql_recreate_table(thd, table, 0);
thd->net.no_send_ok= TRUE;
result_code= mysql_recreate_table(thd, table);
thd->net.no_send_ok= save_no_send_ok;
reenable_binlog(thd);
close_thread_tables(thd);
if (!result_code) // recreation went ok
@ -2984,14 +2995,20 @@ bool alter_table_manage_keys(TABLE *table, int indexes_were_disabled,
/*
Alter table
NOTE
The structures passed as 'create_info' and 'alter_info' parameters may
be modified by this function. It is responsibility of the caller to make
a copy of create_info in order to provide correct execution in prepared
statements/stored routines.
*/
bool mysql_alter_table(THD *thd,char *new_db, char *new_name,
HA_CREATE_INFO *create_info,
TABLE_LIST *table_list,
List<create_field> &fields, List<Key> &keys,
uint order_num, ORDER *order, bool ignore,
ALTER_INFO *alter_info, bool do_send_ok)
Alter_info *alter_info,
uint order_num, ORDER *order, bool ignore)
{
TABLE *table,*new_table=0;
int error;
@ -3212,8 +3229,7 @@ view_err:
Query_log_event qinfo(thd, thd->query, thd->query_length, FALSE, FALSE);
mysql_bin_log.write(&qinfo);
}
if (do_send_ok)
send_ok(thd);
send_ok(thd);
}
else if (error > 0)
{
@ -3240,10 +3256,9 @@ view_err:
restore_record(table, s->default_values); // Empty record for DEFAULT
List_iterator<Alter_drop> drop_it(alter_info->drop_list);
List_iterator<create_field> def_it(fields);
List_iterator<create_field> def_it(alter_info->create_list);
List_iterator<Alter_column> alter_it(alter_info->alter_list);
List<create_field> create_list; // Add new fields here
List<Key> key_list; // Add new keys here
Alter_info new_info; // Add new columns and indexes here
create_field *def;
/*
@ -3291,13 +3306,13 @@ view_err:
def->field=field;
if (!def->after)
{
create_list.push_back(def);
new_info.create_list.push_back(def);
def_it.remove();
}
}
else
{ // Use old field value
create_list.push_back(def=new create_field(field,field));
new_info.create_list.push_back(def= new create_field(field, field));
alter_it.rewind(); // Change default if ALTER
Alter_column *alter;
while ((alter=alter_it++))
@ -3321,7 +3336,7 @@ view_err:
}
}
def_it.rewind();
List_iterator<create_field> find_it(create_list);
List_iterator<create_field> find_it(new_info.create_list);
while ((def=def_it++)) // Add new columns
{
if (def->change && ! def->field)
@ -3330,9 +3345,9 @@ view_err:
DBUG_RETURN(TRUE);
}
if (!def->after)
create_list.push_back(def);
new_info.create_list.push_back(def);
else if (def->after == first_keyword)
create_list.push_front(def);
new_info.create_list.push_front(def);
else
{
create_field *find;
@ -3356,7 +3371,7 @@ view_err:
alter_info->alter_list.head()->name, table_name);
DBUG_RETURN(TRUE);
}
if (!create_list.elements)
if (!new_info.create_list.elements)
{
my_message(ER_CANT_REMOVE_ALL_FIELDS, ER(ER_CANT_REMOVE_ALL_FIELDS),
MYF(0));
@ -3368,8 +3383,8 @@ view_err:
for which some fields exists.
*/
List_iterator<Key> key_it(keys);
List_iterator<create_field> field_it(create_list);
List_iterator<Key> key_it(alter_info->key_list);
List_iterator<create_field> field_it(new_info.create_list);
List<key_part_spec> key_parts;
KEY *key_info=table->key_info;
@ -3441,24 +3456,37 @@ view_err:
key_part_length));
}
if (key_parts.elements)
key_list.push_back(new Key(key_info->flags & HA_SPATIAL ? Key::SPATIAL :
(key_info->flags & HA_NOSAME ?
(!my_strcasecmp(system_charset_info,
key_name, primary_key_name) ?
Key::PRIMARY : Key::UNIQUE) :
(key_info->flags & HA_FULLTEXT ?
Key::FULLTEXT : Key::MULTIPLE)),
key_name,
key_info->algorithm,
test(key_info->flags & HA_GENERATED_KEY),
key_parts));
{
Key *key;
enum Key::Keytype key_type;
if (key_info->flags & HA_SPATIAL)
key_type= Key::SPATIAL;
else if (key_info->flags & HA_NOSAME)
{
if (! my_strcasecmp(system_charset_info, key_name, primary_key_name))
key_type= Key::PRIMARY;
else
key_type= Key::UNIQUE;
}
else if (key_info->flags & HA_FULLTEXT)
key_type= Key::FULLTEXT;
else
key_type= Key::MULTIPLE;
key= new Key(key_type, key_name,
key_info->algorithm,
test(key_info->flags & HA_GENERATED_KEY),
key_parts);
new_info.key_list.push_back(key);
}
}
{
Key *key;
while ((key=key_it++)) // Add new keys
{
if (key->type != Key::FOREIGN_KEY)
key_list.push_back(key);
new_info.key_list.push_back(key);
if (key->name &&
!my_strcasecmp(system_charset_info,key->name,primary_key_name))
{
@ -3593,7 +3621,7 @@ view_err:
{
tmp_disable_binlog(thd);
error= mysql_create_table(thd, new_db, tmp_name,
create_info,create_list,key_list,1,0);
create_info, &new_info, 1, 0);
reenable_binlog(thd);
if (error)
DBUG_RETURN(error);
@ -3634,9 +3662,9 @@ view_err:
{
new_table->timestamp_field_type= TIMESTAMP_NO_AUTO_SET;
new_table->next_number_field=new_table->found_next_number_field;
error=copy_data_between_tables(table, new_table, create_list, ignore,
order_num, order, &copied, &deleted,
alter_info->keys_onoff);
error= copy_data_between_tables(table, new_table, new_info.create_list,
ignore, order_num, order,
&copied, &deleted, alter_info->keys_onoff);
}
else if (!new_table)
{
@ -3860,8 +3888,7 @@ end_temporary:
my_snprintf(tmp_name, sizeof(tmp_name), ER(ER_INSERT_INFO),
(ulong) (copied + deleted), (ulong) deleted,
(ulong) thd->cuted_fields);
if (do_send_ok)
send_ok(thd,copied+deleted,0L,tmp_name);
send_ok(thd, copied + deleted, 0L, tmp_name);
thd->some_tables_deleted=0;
DBUG_RETURN(FALSE);
@ -4060,31 +4087,26 @@ copy_data_between_tables(TABLE *from,TABLE *to,
mysql_recreate_table()
thd Thread handler
tables Tables to recreate
do_send_ok If we should send_ok() or leave it to caller
RETURN
Like mysql_alter_table().
*/
bool mysql_recreate_table(THD *thd, TABLE_LIST *table_list,
bool do_send_ok)
bool mysql_recreate_table(THD *thd, TABLE_LIST *table_list)
{
DBUG_ENTER("mysql_recreate_table");
LEX *lex= thd->lex;
HA_CREATE_INFO create_info;
lex->create_list.empty();
lex->key_list.empty();
lex->col_list.empty();
lex->alter_info.reset();
bzero((char*) &create_info,sizeof(create_info));
Alter_info alter_info;
DBUG_ENTER("mysql_recreate_table");
bzero((char*) &create_info, sizeof(create_info));
create_info.db_type=DB_TYPE_DEFAULT;
create_info.row_type=ROW_TYPE_NOT_USED;
create_info.default_table_charset=default_charset_info;
/* Force alter table to recreate table */
lex->alter_info.flags= ALTER_CHANGE_COLUMN;
alter_info.flags= ALTER_CHANGE_COLUMN;
DBUG_RETURN(mysql_alter_table(thd, NullS, NullS, &create_info,
table_list, lex->create_list,
lex->key_list, 0, (ORDER *) 0,
0, &lex->alter_info, do_send_ok));
table_list, &alter_info,
0, (ORDER *) 0, 0));
}

47
sql/sql_yacc.yy
View file

@ -1352,8 +1352,7 @@ create:
TL_READ_NO_INSERT:
TL_READ)))
YYABORT;
lex->create_list.empty();
lex->key_list.empty();
lex->alter_info.reset();
lex->col_list.empty();
lex->change=NullS;
bzero((char*) &lex->create_info,sizeof(lex->create_info));
@ -1371,16 +1370,17 @@ create:
if (!lex->current_select->add_table_to_list(lex->thd, $7, NULL,
TL_OPTION_UPDATING))
YYABORT;
lex->create_list.empty();
lex->key_list.empty();
lex->alter_info.reset();
lex->alter_info.flags= ALTER_ADD_INDEX;
lex->col_list.empty();
lex->change=NullS;
}
'(' key_list ')'
{
LEX *lex=Lex;
Key *key= new Key($2, $4.str, $5, 0, lex->col_list);
lex->key_list.push_back(new Key($2,$4.str, $5, 0, lex->col_list));
lex->alter_info.key_list.push_back(key);
lex->col_list.empty();
}
| CREATE DATABASE opt_if_not_exists ident
@ -2920,29 +2920,34 @@ key_def:
key_type opt_ident key_alg '(' key_list ')'
{
LEX *lex=Lex;
lex->key_list.push_back(new Key($1,$2, $3, 0, lex->col_list));
Key *key= new Key($1, $2, $3, 0, lex->col_list);
lex->alter_info.key_list.push_back(key);
lex->col_list.empty(); /* Alloced by sql_alloc */
}
| opt_constraint constraint_key_type opt_ident key_alg '(' key_list ')'
{
LEX *lex=Lex;
const char *key_name= $3 ? $3:$1;
lex->key_list.push_back(new Key($2, key_name, $4, 0,
lex->col_list));
Key *key= new Key($2, key_name, $4, 0, lex->col_list);
lex->alter_info.key_list.push_back(key);
lex->col_list.empty(); /* Alloced by sql_alloc */
}
| opt_constraint FOREIGN KEY_SYM opt_ident '(' key_list ')' references
{
LEX *lex=Lex;
lex->key_list.push_back(new foreign_key($4 ? $4:$1, lex->col_list,
$8,
lex->ref_list,
lex->fk_delete_opt,
lex->fk_update_opt,
lex->fk_match_option));
lex->key_list.push_back(new Key(Key::MULTIPLE, $4 ? $4 : $1,
HA_KEY_ALG_UNDEF, 1,
lex->col_list));
const char *key_name= $4 ? $4 : $1;
Key *key= new foreign_key(key_name, lex->col_list,
$8,
lex->ref_list,
lex->fk_delete_opt,
lex->fk_update_opt,
lex->fk_match_option);
lex->alter_info.key_list.push_back(key);
key= new Key(Key::MULTIPLE, key_name,
HA_KEY_ALG_UNDEF, 1,
lex->col_list);
lex->alter_info.key_list.push_back(key);
lex->col_list.empty(); /* Alloced by sql_alloc */
}
| constraint opt_check_constraint
@ -3484,8 +3489,6 @@ alter:
if (!lex->select_lex.add_table_to_list(thd, $4, NULL,
TL_OPTION_UPDATING))
YYABORT;
lex->create_list.empty();
lex->key_list.empty();
lex->col_list.empty();
lex->select_lex.init_order();
lex->select_lex.db=
@ -3495,8 +3498,7 @@ alter:
lex->create_info.db_type= DB_TYPE_DEFAULT;
lex->create_info.default_table_charset= NULL;
lex->create_info.row_type= ROW_TYPE_NOT_USED;
lex->alter_info.reset();
lex->alter_info.flags= 0;
lex->alter_info.reset();
}
alter_list
{}
@ -6254,7 +6256,8 @@ drop:
{
LEX *lex=Lex;
lex->sql_command= SQLCOM_DROP_INDEX;
lex->alter_info.drop_list.empty();
lex->alter_info.reset();
lex->alter_info.flags= ALTER_DROP_INDEX;
lex->alter_info.drop_list.push_back(new Alter_drop(Alter_drop::KEY,
$3.str));
if (!lex->current_select->add_table_to_list(lex->thd, $5, NULL,