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Merge bodhi.local:/opt/local/work/mysql-4.1-4968

Browse Source 
into  bodhi.local:/opt/local/work/mysql-5.0-4968-pull-from-4.1
This commit is contained in:
kostja@bodhi.local
2006-12-12 01:23:30 +03:00
parent 87a87bc04b 90072e69b3
commit 758404b238
12 changed files with 725 additions and 230 deletions
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291
mysql-test/r/ps.result
View File

@ -1055,6 +1055,297 @@ EXECUTE stmt USING @a;
0 0
DEALLOCATE PREPARE stmt;
DROP TABLE t1;
ERROR HY000: Unknown error
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 0
set global max_prepared_stmt_count=1;
prepare stmt from "select 1";
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 1
prepare stmt1 from "select 1";
ERROR HY000: Unknown error
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 1
deallocate prepare stmt;
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 0
prepare stmt from "select 1";
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 1
prepare stmt from "select 2";
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 1
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 1
select @@max_prepared_stmt_count;
@@max_prepared_stmt_count
1
set global max_prepared_stmt_count=0;
prepare stmt from "select 1";
ERROR HY000: Unknown error
execute stmt;
ERROR HY000: Unknown prepared statement handler (stmt) given to EXECUTE
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 0
prepare stmt from "select 1";
ERROR HY000: Unknown error
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 0
set global max_prepared_stmt_count=3;
select @@max_prepared_stmt_count;
@@max_prepared_stmt_count
3
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 0
prepare stmt from "select 1";
prepare stmt from "select 2";
prepare stmt1 from "select 3";
prepare stmt2 from "select 4";
ERROR HY000: Unknown error
prepare stmt2 from "select 4";
ERROR HY000: Unknown error
select @@max_prepared_stmt_count;
@@max_prepared_stmt_count
3
show status like 'prepared_stmt_count';
Variable_name Value
Prepared_stmt_count 3
deallocate prepare stmt;
set global max_prepared_stmt_count= @old_max_prepared_stmt_count;
drop table if exists t1;
create temporary table if not exists t1 (a1 int);
prepare stmt from "delete t1 from t1 where (cast(a1/3 as unsigned) * 3) = a1";
drop temporary table t1;
create temporary table if not exists t1 (a1 int);
execute stmt;
drop temporary table t1;
create temporary table if not exists t1 (a1 int);
execute stmt;
drop temporary table t1;
create temporary table if not exists t1 (a1 int);
execute stmt;
drop temporary table t1;
deallocate prepare stmt;
CREATE TABLE t1(
ID int(10) unsigned NOT NULL auto_increment,
Member_ID varchar(15) NOT NULL default '',
Action varchar(12) NOT NULL,
Action_Date datetime NOT NULL,
Track varchar(15) default NULL,
User varchar(12) default NULL,
Date_Updated timestamp NOT NULL default CURRENT_TIMESTAMP on update
CURRENT_TIMESTAMP,
PRIMARY KEY (ID),
KEY Action (Action),
KEY Action_Date (Action_Date)
);
INSERT INTO t1(Member_ID, Action, Action_Date, Track) VALUES
('111111', 'Disenrolled', '2006-03-01', 'CAD' ),
('111111', 'Enrolled', '2006-03-01', 'CAD' ),
('111111', 'Disenrolled', '2006-07-03', 'CAD' ),
('222222', 'Enrolled', '2006-03-07', 'CAD' ),
('222222', 'Enrolled', '2006-03-07', 'CHF' ),
('222222', 'Disenrolled', '2006-08-02', 'CHF' ),
('333333', 'Enrolled', '2006-03-01', 'CAD' ),
('333333', 'Disenrolled', '2006-03-01', 'CAD' ),
('444444', 'Enrolled', '2006-03-01', 'CAD' ),
('555555', 'Disenrolled', '2006-03-01', 'CAD' ),
('555555', 'Enrolled', '2006-07-21', 'CAD' ),
('555555', 'Disenrolled', '2006-03-01', 'CHF' ),
('666666', 'Enrolled', '2006-02-09', 'CAD' ),
('666666', 'Enrolled', '2006-05-12', 'CHF' ),
('666666', 'Disenrolled', '2006-06-01', 'CAD' );
PREPARE STMT FROM
"SELECT GROUP_CONCAT(Track SEPARATOR ', ') FROM t1
WHERE Member_ID=? AND Action='Enrolled' AND
(Track,Action_Date) IN (SELECT Track, MAX(Action_Date) FROM t1
WHERE Member_ID=?
GROUP BY Track
HAVING Track>='CAD' AND
MAX(Action_Date)>'2006-03-01')";
SET @id='111111';
EXECUTE STMT USING @id,@id;
GROUP_CONCAT(Track SEPARATOR ', ')
NULL
SET @id='222222';
EXECUTE STMT USING @id,@id;
GROUP_CONCAT(Track SEPARATOR ', ')
CAD
DEALLOCATE PREPARE STMT;
DROP TABLE t1;
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (i INT, INDEX(i));
INSERT INTO t1 VALUES (1);
PREPARE stmt FROM "SELECT (COUNT(i) = 1), COUNT(i) FROM t1 WHERE i = ?";
SET @a = 0;
EXECUTE stmt USING @a;
(COUNT(i) = 1) COUNT(i)
0 0
SET @a = 1;
EXECUTE stmt USING @a;
(COUNT(i) = 1) COUNT(i)
1 1
SET @a = 0;
EXECUTE stmt USING @a;
(COUNT(i) = 1) COUNT(i)
0 0
PREPARE stmt FROM "SELECT (AVG(i) = 1), AVG(i) FROM t1 WHERE i = ?";
SET @a = 0;
EXECUTE stmt USING @a;
(AVG(i) = 1) AVG(i)
NULL NULL
SET @a = 1;
EXECUTE stmt USING @a;
(AVG(i) = 1) AVG(i)
1 1.0000
SET @a = 0;
EXECUTE stmt USING @a;
(AVG(i) = 1) AVG(i)
NULL NULL
PREPARE stmt FROM "SELECT (VARIANCE(i) = 1), VARIANCE(i) FROM t1 WHERE i = ?";
SET @a = 0;
EXECUTE stmt USING @a;
(VARIANCE(i) = 1) VARIANCE(i)
NULL NULL
SET @a = 1;
EXECUTE stmt USING @a;
(VARIANCE(i) = 1) VARIANCE(i)
0 0.0000
SET @a = 0;
EXECUTE stmt USING @a;
(VARIANCE(i) = 1) VARIANCE(i)
NULL NULL
PREPARE stmt FROM "SELECT (STDDEV(i) = 1), STDDEV(i) FROM t1 WHERE i = ?";
SET @a = 0;
EXECUTE stmt USING @a;
(STDDEV(i) = 1) STDDEV(i)
NULL NULL
SET @a = 1;
EXECUTE stmt USING @a;
(STDDEV(i) = 1) STDDEV(i)
0 0.0000
SET @a = 0;
EXECUTE stmt USING @a;
(STDDEV(i) = 1) STDDEV(i)
NULL NULL
PREPARE stmt FROM "SELECT (BIT_OR(i) = 1), BIT_OR(i) FROM t1 WHERE i = ?";
SET @a = 0;
EXECUTE stmt USING @a;
(BIT_OR(i) = 1) BIT_OR(i)
0 0
SET @a = 1;
EXECUTE stmt USING @a;
(BIT_OR(i) = 1) BIT_OR(i)
1 1
SET @a = 0;
EXECUTE stmt USING @a;
(BIT_OR(i) = 1) BIT_OR(i)
0 0
PREPARE stmt FROM "SELECT (BIT_AND(i) = 1), BIT_AND(i) FROM t1 WHERE i = ?";
SET @a = 0;
EXECUTE stmt USING @a;
(BIT_AND(i) = 1) BIT_AND(i)
0 18446744073709551615
SET @a = 1;
EXECUTE stmt USING @a;
(BIT_AND(i) = 1) BIT_AND(i)
1 1
SET @a = 0;
EXECUTE stmt USING @a;
(BIT_AND(i) = 1) BIT_AND(i)
0 18446744073709551615
PREPARE stmt FROM "SELECT (BIT_XOR(i) = 1), BIT_XOR(i) FROM t1 WHERE i = ?";
SET @a = 0;
EXECUTE stmt USING @a;
(BIT_XOR(i) = 1) BIT_XOR(i)
0 0
SET @a = 1;
EXECUTE stmt USING @a;
(BIT_XOR(i) = 1) BIT_XOR(i)
1 1
SET @a = 0;
EXECUTE stmt USING @a;
(BIT_XOR(i) = 1) BIT_XOR(i)
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` char(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` char(4) NOT NULL default ''
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop database mysqltest;
deallocate prepare stmt1;
deallocate prepare stmt2;
execute stmt;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c` char(10) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 DATA DIRECTORY='MYSQLTEST_VARDIR/tmp/'
drop table t1;
execute stmt;
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c` char(10) default NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 DATA DIRECTORY='MYSQLTEST_VARDIR/tmp/'
drop table t1;
deallocate prepare stmt;
End of 4.1 tests.
create table t1 (a varchar(20));
insert into t1 values ('foo');

74
mysql-test/t/ps.test
View File

@ -1106,11 +1106,81 @@ 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
--disable_query_log
eval prepare stmt from "create table t1 (c char(10)) data directory='$MYSQLTEST_VARDIR/tmp'";
--enable_query_log
execute stmt;
--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
show create table t1;
drop table t1;
execute stmt;
--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
show create table t1;
drop table t1;
deallocate prepare stmt;
--echo End of 4.1 tests.
############################# 5.0 tests start ################################
#
#

16
sql/mysql_priv.h
View File

@ -774,17 +774,15 @@ 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);
@ -793,9 +791,6 @@ 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,
@ -897,7 +892,8 @@ 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);

17
sql/sql_class.h
View File

@ -1840,19 +1840,20 @@ 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),
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);

2
sql/sql_insert.cc
View File

@ -2764,7 +2764,7 @@ 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

12
sql/sql_lex.cc
View File

@ -1055,6 +1055,18 @@ 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),
is_simple(rhs.is_simple)
{}
/*
Skip comment in the end of statement.

54
sql/sql_lex.h
View File

@ -688,18 +688,58 @@ 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
{
@ -885,8 +925,6 @@ 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;
@ -979,7 +1017,7 @@ 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) */
/*

58
sql/sql_list.h
View File

@ -62,9 +62,14 @@ 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)
@ -75,8 +80,6 @@ public:
info= 0;
next= this;
}
friend class base_list;
friend class base_list_iterator;
};
@ -92,12 +95,57 @@ 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)
{
@ -348,6 +396,8 @@ 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); }

197
sql/sql_parse.cc
View File

@ -2894,17 +2894,33 @@ 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 unsent_create_error;
}
if ((res= create_table_precheck(thd, select_tables, create_table)))
goto end_with_restore_list;
#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 +2928,14 @@ 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
@ -2980,11 +2996,13 @@ 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,
&create_info,
&alter_info,
select_lex->item_list,
lex->duplicates,
lex->ignore)))
@ -2996,23 +3014,19 @@ 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,
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 +3038,48 @@ 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.default_table_charset= thd->variables.collation_database;
res= mysql_alter_table(thd, first_table->db, first_table->real_name,
&create_info, first_table, &alter_info,
0, (ORDER*)0, DUP_ERROR, 0);
break;
}
#ifdef HAVE_REPLICATION
case SQLCOM_SLAVE_START:
{
@ -3074,6 +3120,17 @@ 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 +3145,7 @@ 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 +3164,13 @@ 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;
@ -3128,12 +3185,12 @@ 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,
&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 +3343,7 @@ 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 +3659,6 @@ 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 +3787,12 @@ 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;
@ -3769,7 +3823,7 @@ end_with_restore_list:
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:
@ -5916,14 +5970,16 @@ 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->alter_info.key_list.push_back(new Key(Key::UNIQUE, NullS,
HA_KEY_ALG_UNDEF, 0,
lex->col_list));
lex->col_list.empty();
}
@ -5987,7 +6043,7 @@ 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);
}
@ -7012,53 +7068,6 @@ 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;
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;
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

2
sql/sql_show.cc
View File

@ -461,7 +461,7 @@ 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;
int length;

137
sql/sql_table.cc
View File

@ -644,8 +644,7 @@ 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.
@ -659,8 +658,8 @@ 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)
@ -674,11 +673,12 @@ 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();
@ -1003,7 +1003,8 @@ 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;
@ -1565,9 +1566,8 @@ void sp_prepare_create_field(THD *thd, create_field *sql_field)
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
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)
@ -1579,6 +1579,11 @@ 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
@ -1586,7 +1591,7 @@ 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,
Alter_info *alter_info,
List<Key> &keys,bool internal_tmp_table,
uint select_field_count)
{
@ -1599,7 +1604,7 @@ 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));
@ -1643,8 +1648,8 @@ 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,
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);
@ -1736,8 +1741,8 @@ 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)
{
@ -2403,6 +2408,7 @@ 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,
@ -2413,7 +2419,9 @@ 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
@ -2935,14 +2943,21 @@ err:
/*
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;
@ -3158,7 +3173,6 @@ 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);
}
else if (error > 0)
@ -3186,10 +3200,9 @@ 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;
/*
@ -3237,13 +3250,13 @@ 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++))
@ -3267,7 +3280,7 @@ 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)
@ -3276,9 +3289,9 @@ 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;
@ -3302,7 +3315,7 @@ 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));
@ -3314,8 +3327,8 @@ 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;
@ -3387,24 +3400,37 @@ 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 *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));
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))
{
@ -3539,7 +3565,7 @@ 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,alter_info, 1, 0);
reenable_binlog(thd);
if (error)
DBUG_RETURN(error);
@ -3580,8 +3606,9 @@ 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);
error= copy_data_between_tables(table, new_table, new_info.create_list,
ignore, order_num, order, &copied,
&deleted);
}
thd->last_insert_id=next_insert_id; // Needed for correct log
thd->count_cuted_fields= CHECK_FIELD_IGNORE;
@ -3794,7 +3821,6 @@ 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);
thd->some_tables_deleted=0;
DBUG_RETURN(FALSE);
@ -3990,21 +4016,19 @@ 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)
int 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();
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;
@ -4012,9 +4036,8 @@ bool mysql_recreate_table(THD *thd, TABLE_LIST *table_list,
/* Force alter table to recreate table */
lex->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));
}

37
sql/sql_yacc.yy
View File

@ -1171,8 +1171,7 @@ 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));
@ -1190,16 +1189,18 @@ 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.is_simple= 0;
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
@ -2734,29 +2735,34 @@ 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,
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->key_list.push_back(new Key(Key::MULTIPLE, $4 ? $4 : $1,
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->col_list);
lex->alter_info.key_list.push_back(key);
lex->col_list.empty(); /* Alloced by sql_alloc */
}
| constraint opt_check_constraint
@ -3298,8 +3304,6 @@ 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=
@ -3310,7 +3314,6 @@ alter:
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;
}
alter_list
{}
@ -6072,7 +6075,9 @@ drop:
{
LEX *lex=Lex;
lex->sql_command= SQLCOM_DROP_INDEX;
lex->alter_info.drop_list.empty();
lex->alter_info.reset();
lex->alter_info.is_simple= 0;
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,