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MDEV-9142 :Adding Constraint with no database reference

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results in ERROR 1046 (3D000) at line 13: No database selected.

Use database from create table to foreign key database if
nothing else is given.
This commit is contained in:
Jan Lindström
2016-04-07 10:47:46 +03:00
parent 0ea4c73dae
commit 19e3597e0c
5 changed files with 113 additions and 7 deletions
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44
mysql-test/suite/innodb/r/innodb-fk.result
View File

@ -68,3 +68,47 @@ Warning 150 Alter table `test`.`t2` with foreign key constraint failed. Referen
Error 1005 Can't create table '#sql-temporary' (errno: 150) Error 1005 Can't create table '#sql-temporary' (errno: 150)
drop table t2; drop table t2;
drop table t1; drop table t1;
CREATE DATABASE kg_test1;
CREATE DATABASE kg_test2;
CREATE TABLE `kg_test1`.`group` (
Id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
CREATE TABLE `kg_test1`.`person` (
`Id` INT(11) NOT NULL AUTO_INCREMENT,
`Name` VARCHAR(50) NOT NULL,
PRIMARY KEY (`Id`),
CONSTRAINT `fk_person_group` FOREIGN KEY (`Id`) REFERENCES `group` (`Id`)
) ENGINE=INNODB DEFAULT CHARSET=utf8;
show create table `kg_test1`.`person`;
Table Create Table
person CREATE TABLE `person` (
`Id` int(11) NOT NULL AUTO_INCREMENT,
`Name` varchar(50) NOT NULL,
PRIMARY KEY (`Id`),
CONSTRAINT `fk_person_group` FOREIGN KEY (`Id`) REFERENCES `group` (`Id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8
CREATE TABLE `kg_test2`.`person2` (
`Id` INT(11) NOT NULL AUTO_INCREMENT,
`Name` VARCHAR(50) NOT NULL,
PRIMARY KEY (`Id`),
CONSTRAINT `fk_person_group` FOREIGN KEY (`Id`) REFERENCES `group` (`Id`)
) ENGINE=INNODB DEFAULT CHARSET=utf8;
ERROR HY000: Can't create table 'kg_test2.person2' (errno: 150)
CREATE TABLE `kg_test2`.`person2` (
`Id` INT(11) NOT NULL AUTO_INCREMENT,
`Name` VARCHAR(50) NOT NULL,
PRIMARY KEY (`Id`),
CONSTRAINT `fk_person_group` FOREIGN KEY (`Id`) REFERENCES `kg_test1`.`group` (`Id`)
) ENGINE=INNODB DEFAULT CHARSET=utf8;
show create table `kg_test2`.`person2`;
Table Create Table
person2 CREATE TABLE `person2` (
`Id` int(11) NOT NULL AUTO_INCREMENT,
`Name` varchar(50) NOT NULL,
PRIMARY KEY (`Id`),
CONSTRAINT `fk_person_group` FOREIGN KEY (`Id`) REFERENCES `kg_test1`.`group` (`Id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8
SHOW WARNINGS;
Level Code Message
DROP DATABASE kg_test2;
DROP DATABASE kg_test1;

41
mysql-test/suite/innodb/t/innodb-fk.test
View File

@ -124,3 +124,44 @@ show warnings;
drop table t2; drop table t2;
drop table t1; drop table t1;
#
# MDEV-9142 :Adding Constraint with no database reference
# results in ERROR 1046 (3D000) at line 13: No database selected
#
CREATE DATABASE kg_test1;
CREATE DATABASE kg_test2;
CREATE TABLE `kg_test1`.`group` (
Id INT(11) NOT NULL AUTO_INCREMENT PRIMARY KEY
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
CREATE TABLE `kg_test1`.`person` (
`Id` INT(11) NOT NULL AUTO_INCREMENT,
`Name` VARCHAR(50) NOT NULL,
PRIMARY KEY (`Id`),
CONSTRAINT `fk_person_group` FOREIGN KEY (`Id`) REFERENCES `group` (`Id`)
) ENGINE=INNODB DEFAULT CHARSET=utf8;
show create table `kg_test1`.`person`;
--error 1005
CREATE TABLE `kg_test2`.`person2` (
`Id` INT(11) NOT NULL AUTO_INCREMENT,
`Name` VARCHAR(50) NOT NULL,
PRIMARY KEY (`Id`),
CONSTRAINT `fk_person_group` FOREIGN KEY (`Id`) REFERENCES `group` (`Id`)
) ENGINE=INNODB DEFAULT CHARSET=utf8;
CREATE TABLE `kg_test2`.`person2` (
`Id` INT(11) NOT NULL AUTO_INCREMENT,
`Name` VARCHAR(50) NOT NULL,
PRIMARY KEY (`Id`),
CONSTRAINT `fk_person_group` FOREIGN KEY (`Id`) REFERENCES `kg_test1`.`group` (`Id`)
) ENGINE=INNODB DEFAULT CHARSET=utf8;
show create table `kg_test2`.`person2`;
SHOW WARNINGS;
DROP DATABASE kg_test2;
DROP DATABASE kg_test1;

30
sql/sql_parse.cc
View File

@ -5395,6 +5395,7 @@ bool check_global_access(THD *thd, ulong want_access, bool no_errors)
temporary table flag) temporary table flag)
@param alter_info [in] Initial list of columns and indexes for the @param alter_info [in] Initial list of columns and indexes for the
table to be created table to be created
@param create_db [in] Database of the created table
@retval @retval
false ok. false ok.
@ -5403,7 +5404,8 @@ bool check_global_access(THD *thd, ulong want_access, bool no_errors)
*/ */
bool check_fk_parent_table_access(THD *thd, bool check_fk_parent_table_access(THD *thd,
HA_CREATE_INFO *create_info, HA_CREATE_INFO *create_info,
Alter_info *alter_info) Alter_info *alter_info,
const char* create_db)
{ {
Key *key; Key *key;
List_iterator<Key> key_iterator(alter_info->key_list); List_iterator<Key> key_iterator(alter_info->key_list);
@ -5443,10 +5445,28 @@ bool check_fk_parent_table_access(THD *thd,
return true; return true;
} }
} }
else if (thd->lex->copy_db_to(&db_name.str, &db_name.length))
return true;
else else
is_qualified_table_name= false; {
if (!thd->db)
{
db_name.str= (char *) thd->memdup(create_db, strlen(create_db)+1);
db_name.length= strlen(create_db);
is_qualified_table_name= true;
if(create_db && check_db_name(&db_name))
{
my_error(ER_WRONG_DB_NAME, MYF(0), db_name.str);
return true;
}
}
else
{
if (thd->lex->copy_db_to(&db_name.str, &db_name.length))
return true;
else
is_qualified_table_name= false;
}
}
// if lower_case_table_names is set then convert tablename to lower case. // if lower_case_table_names is set then convert tablename to lower case.
if (lower_case_table_names) if (lower_case_table_names)
@ -7462,7 +7482,7 @@ bool create_table_precheck(THD *thd, TABLE_LIST *tables,
goto err; goto err;
} }
if (check_fk_parent_table_access(thd, &lex->create_info, &lex->alter_info)) if (check_fk_parent_table_access(thd, &lex->create_info, &lex->alter_info, create_table->db))
goto err; goto err;
error= FALSE; error= FALSE;

3
sql/sql_parse.h
View File

@ -47,7 +47,8 @@ bool create_table_precheck(THD *thd, TABLE_LIST *tables,
TABLE_LIST *create_table); TABLE_LIST *create_table);
bool check_fk_parent_table_access(THD *thd, bool check_fk_parent_table_access(THD *thd,
HA_CREATE_INFO *create_info, HA_CREATE_INFO *create_info,
Alter_info *alter_info); Alter_info *alter_info,
const char* create_db);
bool parse_sql(THD *thd, bool parse_sql(THD *thd,
Parser_state *parser_state, Parser_state *parser_state,

2
sql/sql_table.cc
View File

@ -6305,7 +6305,7 @@ bool mysql_alter_table(THD *thd,char *new_db, char *new_name,
till this point for the alter operation. till this point for the alter operation.
*/ */
if ((alter_info->flags & ALTER_FOREIGN_KEY) && if ((alter_info->flags & ALTER_FOREIGN_KEY) &&
check_fk_parent_table_access(thd, create_info, alter_info)) check_fk_parent_table_access(thd, create_info, alter_info, new_db))
goto err; goto err;
/* /*