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fd247cc21f
This patch also fixes:
MDEV-33050 Build-in schemas like oracle_schema are accent insensitive
MDEV-33084 LASTVAL(t1) and LASTVAL(T1) do not work well with lower-case-table-names=0
MDEV-33085 Tables T1 and t1 do not work well with ENGINE=CSV and lower-case-table-names=0
MDEV-33086 SHOW OPEN TABLES IN DB1 -- is case insensitive with lower-case-table-names=0
MDEV-33088 Cannot create triggers in the database `MYSQL`
MDEV-33103 LOCK TABLE t1 AS t2 -- alias is not case sensitive with lower-case-table-names=0
MDEV-33109 DROP DATABASE MYSQL -- does not drop SP with lower-case-table-names=0
MDEV-33110 HANDLER commands are case insensitive with lower-case-table-names=0
MDEV-33119 User is case insensitive in INFORMATION_SCHEMA.VIEWS
MDEV-33120 System log table names are case insensitive with lower-cast-table-names=0
- Removing the virtual function strnncoll() from MY_COLLATION_HANDLER
- Adding a wrapper function CHARSET_INFO::streq(), to compare
two strings for equality. For now it calls strnncoll() internally.
In the future it will turn into a virtual function.
- Adding new accent sensitive case insensitive collations:
- utf8mb4_general1400_as_ci
- utf8mb3_general1400_as_ci
They implement accent sensitive case insensitive comparison.
The weight of a character is equal to the code point of its
upper case variant. These collations use Unicode-14.0.0 casefolding data.
The result of
my_charset_utf8mb3_general1400_as_ci.strcoll()
is very close to the former
my_charset_utf8mb3_general_ci.strcasecmp()
There is only a difference in a couple dozen rare characters, because:
- the switch from "tolower" to "toupper" comparison, to make
utf8mb3_general1400_as_ci closer to utf8mb3_general_ci
- the switch from Unicode-3.0.0 to Unicode-14.0.0
This difference should be tolarable. See the list of affected
characters in the MDEV description.
Note, utf8mb4_general1400_as_ci correctly handles non-BMP characters!
Unlike utf8mb4_general_ci, it does not treat all BMP characters
as equal.
- Adding classes representing names of the file based database objects:
Lex_ident_db
Lex_ident_table
Lex_ident_trigger
Their comparison collation depends on the underlying
file system case sensitivity and on --lower-case-table-names
and can be either my_charset_bin or my_charset_utf8mb3_general1400_as_ci.
- Adding classes representing names of other database objects,
whose names have case insensitive comparison style,
using my_charset_utf8mb3_general1400_as_ci:
Lex_ident_column
Lex_ident_sys_var
Lex_ident_user_var
Lex_ident_sp_var
Lex_ident_ps
Lex_ident_i_s_table
Lex_ident_window
Lex_ident_func
Lex_ident_partition
Lex_ident_with_element
Lex_ident_rpl_filter
Lex_ident_master_info
Lex_ident_host
Lex_ident_locale
Lex_ident_plugin
Lex_ident_engine
Lex_ident_server
Lex_ident_savepoint
Lex_ident_charset
engine_option_value::Name
- All the mentioned Lex_ident_xxx classes implement a method streq():
if (ident1.streq(ident2))
do_equal();
This method works as a wrapper for CHARSET_INFO::streq().
- Changing a lot of "LEX_CSTRING name" to "Lex_ident_xxx name"
in class members and in function/method parameters.
- Replacing all calls like
system_charset_info->coll->strcasecmp(ident1, ident2)
to
ident1.streq(ident2)
- Taking advantage of the c++11 user defined literal operator
for LEX_CSTRING (see m_strings.h) and Lex_ident_xxx (see lex_ident.h)
data types. Use example:
const Lex_ident_column primary_key_name= "PRIMARY"_Lex_ident_column;
is now a shorter version of:
const Lex_ident_column primary_key_name=
Lex_ident_column({STRING_WITH_LEN("PRIMARY")});
207 lines
5 KiB
Text
207 lines
5 KiB
Text
#
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# Test of --lower-case-table-names
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#
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#remove this include after fix MDEV-27944
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--source include/no_view_protocol.inc
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show variables like "lower_case_table_names";
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create table T1 (id int primary key, Word varchar(40) not null, Index(Word));
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create table t4 (id int primary key, Word varchar(40) not null);
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INSERT INTO T1 VALUES (1, 'a'), (2, 'b'), (3, 'c');
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INSERT INTO T4 VALUES(1,'match');
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SELECT * FROM t1;
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SELECT T1.id from T1 LIMIT 1;
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SELECT T2.id from t1 as T2 LIMIT 1;
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SELECT * from t1 left join t4 on (test.t1.id= TEST.t4.id) where TEST.t1.id >= test.t4.id;
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# This gave an error in 4.0, but it's fixed in 4.1
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SELECT T2.id from t1 as t2 LIMIT 1;
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RENAME TABLE T1 TO T2;
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ALTER TABLE T2 ADD new_col int not null;
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ALTER TABLE T2 RENAME T3;
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show tables like 't_';
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drop table t3,t4;
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#
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# Test alias
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#
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create table t1 (a int);
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select count(*) from T1;
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select count(*) from t1;
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select count(T1.a) from t1;
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select count(bags.a) from t1 as Bags;
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drop table t1;
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#
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# Test all caps database name
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#
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create database mysqltest;
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use MYSQLTEST;
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create table t1 (a int);
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select T1.a from MYSQLTEST.T1;
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select t1.a from MYSQLTEST.T1;
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select mysqltest.t1.* from MYSQLTEST.t1;
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select MYSQLTEST.t1.* from MYSQLTEST.t1;
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select MYSQLTEST.T1.* from MYSQLTEST.T1;
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select MYSQLTEST.T1.* from T1;
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alter table t1 rename to T1;
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select MYSQLTEST.t1.* from MYSQLTEST.t1;
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drop database mysqltest;
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use test;
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#
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# multiupdate/delete & --lower-case-table-names
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#
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create table t1 (a int);
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create table t2 (a int);
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delete p1.*,P2.* from t1 as p1, t2 as p2 where p1.a=P2.a;
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delete P1.*,p2.* from t1 as P1, t2 as P2 where P1.a=p2.a;
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update t1 as p1, t2 as p2 SET p1.a=1,P2.a=1 where p1.a=P2.a;
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update t1 as P1, t2 as P2 SET P1.a=1,p2.a=1 where P1.a=p2.a;
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drop table t1,t2;
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#
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# aliases case insensitive
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#
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create table t1 (a int);
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create table t2 (a int);
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--error ER_NONUNIQ_TABLE
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select * from t1 c, t2 C;
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--error ER_NONUNIQ_TABLE
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select C.a, c.a from t1 c, t2 C;
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drop table t1, t2;
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--echo #
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--echo # Bug #9761: CREATE TABLE ... LIKE ... not handled correctly when lower_case_table_names is set
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--echo #
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create table t1 (a int);
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create table t2 like T1;
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drop table t1, t2;
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show tables;
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--echo #
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--echo # End of 4.1 tests
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--echo #
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--echo #
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--echo # Bug#20404: SHOW CREATE TABLE fails with Turkish I
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--echo #
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set names utf8;
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create table İ (s1 int);
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show create table İ;
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show tables;
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drop table İ;
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create table İİ (s1 int);
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show create table İİ;
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show tables;
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drop table İİ;
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set names latin1;
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--echo #
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--echo # End of 5.0 tests
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--echo #
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--echo #
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--echo # Bug#21317: SHOW CREATE DATABASE does not obey to lower_case_table_names
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--echo #
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create database mysql_TEST character set latin2;
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create table mysql_TEST.T1 (a int);
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show create database mysql_TEST;
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show create table mysql_TEST.T1;
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show databases like "mysql%";
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show databases like "mysql_TE%";
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drop database mysql_TEST;
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--echo #
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--echo # End of 10.0 tests
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--echo #
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--echo #
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--echo # MDEV-17148 DROP DATABASE throw "Directory not empty" after changed lower_case_table_names.
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--echo #
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let $datadir=`select @@datadir`;
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create database db1;
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create table t1 (a int);
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copy_file $datadir/test/t1.frm $datadir/db1/T1.frm;
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drop database db1;
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drop table t1;
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--echo #
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--echo # End of 10.2 tests
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--echo #
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--echo #
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--echo # MDEV-25109 Server crashes in sp_name::sp_name upon invalid data in mysql.proc
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--echo #
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call mtr.add_suppression("Stored routine ''.'': invalid value in column");
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insert ignore into mysql.proc () values ();
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--error ER_SP_WRONG_NAME
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show function status;
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delete from mysql.proc where name = '';
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--echo #
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--echo # End of 10.3 tests
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--echo #
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--echo #
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--echo # Start of 11.3 tests
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--echo #
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--echo #
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--echo # MDEV-31948 Add class DBNameBuffer, split check_db_name() into stages
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--echo #
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SET NAMES utf8;
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# U+FFED HALFWIDTH BLACK SQUARE
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SET @mb3char= _utf8 0xEFBFAD;
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# Database names fitting into the NAME_CHAR_LEN characters limit
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--error ER_BAD_DB_ERROR
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EXECUTE IMMEDIATE CONCAT('use `', REPEAT(@mb3char, 64), '`');
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--error ER_BAD_DB_ERROR
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EXECUTE IMMEDIATE CONCAT('use `#mysql50#', REPEAT(@mb3char, 64), '`');
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--error ER_BAD_DB_ERROR
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EXECUTE IMMEDIATE CONCAT('SHOW CREATE DATABASE `', REPEAT(@mb3char, 64), '`');
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--error ER_BAD_DB_ERROR
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EXECUTE IMMEDIATE CONCAT('SHOW CREATE DATABASE `#mysql50#', REPEAT(@mb3char, 64), '`');
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# Database names longer than NAME_CHAR_LEN characters
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--error ER_WRONG_DB_NAME
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EXECUTE IMMEDIATE CONCAT('use `', REPEAT(@mb3char, 65), '`');
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--error ER_WRONG_DB_NAME
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EXECUTE IMMEDIATE CONCAT('use `#mysql50#', REPEAT(@mb3char, 65), '`');
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--error ER_WRONG_DB_NAME
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EXECUTE IMMEDIATE CONCAT('SHOW CREATE DATABASE `', REPEAT(@mb3char, 65), '`');
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--error ER_WRONG_DB_NAME
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EXECUTE IMMEDIATE CONCAT('SHOW CREATE DATABASE `#mysql50#', REPEAT(@mb3char, 65), '`');
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--echo #
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--echo # End of 11.3 tests
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--echo #
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--echo #
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--echo # Start of 11.4 tests
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--echo #
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--echo #
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--echo # MDEV-33110 HANDLER commands are case insensitive with lower-case-table-names=0
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--echo #
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SET sql_mode=ORACLE;
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DELIMITER $$;
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CREATE OR REPLACE PACKAGE test.pkg AS
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END TEST.PKG;
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$$
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DELIMITER ;$$
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DROP PACKAGE test.pkg;
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--echo #
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--echo # End of 11.4 tests
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--echo #
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