mirror of
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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")});
378 lines
11 KiB
Text
378 lines
11 KiB
Text
#
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# Test of --lower-case-table-names=2
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# (User has case insensitive file system and wants to preserve case of
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# table names)
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#
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--source include/have_innodb.inc
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--require include/lowercase2.require
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disable_query_log;
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show variables like "lower_case_table_names";
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enable_query_log;
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--disable_warnings
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DROP TABLE IF EXISTS t1,t2,t3,t2aA,t1Aa;
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DROP DATABASE IF EXISTS `TEST_$1`;
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DROP DATABASE IF EXISTS `test_$1`;
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DROP DATABASE IF EXISTS mysqltest_LC2;
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--enable_warnings
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CREATE TABLE T1 (a int) ENGINE=MyISAM;
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INSERT INTO T1 VALUES (1);
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SHOW TABLES LIKE "T1";
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SHOW TABLES LIKE "t1";
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SHOW CREATE TABLE T1;
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RENAME TABLE T1 TO T2;
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SHOW TABLES LIKE "T2";
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SELECT * FROM t2;
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RENAME TABLE T2 TO t3;
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SHOW TABLES LIKE "T3";
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RENAME TABLE T3 TO T1;
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SHOW TABLES LIKE "T1";
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ALTER TABLE T1 add b int;
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SHOW TABLES LIKE "T1";
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ALTER TABLE T1 RENAME T2;
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SHOW TABLES LIKE "T2";
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LOCK TABLE T2 WRITE;
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ALTER TABLE T2 drop b;
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SHOW TABLES LIKE "T2";
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UNLOCK TABLES;
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RENAME TABLE T2 TO T1;
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SHOW TABLES LIKE "T1";
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SELECT * from T1;
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DROP TABLE T1;
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#
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# Test database level
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#
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CREATE DATABASE `TEST_$1`;
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SHOW DATABASES LIKE "TEST%";
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DROP DATABASE `test_$1`;
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#
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# Test of innodb tables with lower_case_table_names=2
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#
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CREATE TABLE T1 (a int) engine=innodb;
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INSERT INTO T1 VALUES (1);
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SHOW TABLES LIKE "T1";
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SHOW TABLES LIKE "t1";
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SHOW CREATE TABLE T1;
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RENAME TABLE T1 TO T2;
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SHOW TABLES LIKE "T2";
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SELECT * FROM t2;
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RENAME TABLE T2 TO t3;
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SHOW TABLES LIKE "T3";
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RENAME TABLE T3 TO T1;
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SHOW TABLES LIKE "T1";
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ALTER TABLE T1 add b int;
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SHOW TABLES LIKE "T1";
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ALTER TABLE T1 RENAME T2;
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SHOW TABLES LIKE "T2";
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LOCK TABLE T2 WRITE;
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ALTER TABLE T2 drop b;
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SHOW TABLES LIKE "T2";
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UNLOCK TABLES;
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RENAME TABLE T2 TO T1;
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SHOW TABLES LIKE "T1";
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SELECT * from T1;
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DROP TABLE T1;
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create database mysqltest_UPPERCASE;
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CREATE TABLE mysqltest_UPPERCASE.T1 (a int) engine=innodb;
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CREATE TABLE mysqltest_uppercase.t2 (a int) engine=innodb;
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CREATE TABLE mysqltest_UPPERCASE.t3 (a int) engine=innodb;
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drop table mysqltest_UPPERCASE.T1;
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drop table mysqltest_UPPERCASE.T2;
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drop table mysqltest_uppercase.t3;
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drop database mysqltest_UPPERCASE;
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#
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# Test problem with temporary tables (Bug #2858)
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#
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create table T1 (EVENT_ID int auto_increment primary key, LOCATION char(20));
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insert into T1 values (NULL,"Mic-4"),(NULL,"Mic-5"),(NULL,"Mic-6");
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SELECT LOCATION FROM T1 WHERE EVENT_ID=2 UNION ALL SELECT LOCATION FROM T1 WHERE EVENT_ID=3;
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SELECT LOCATION FROM T1 WHERE EVENT_ID=2 UNION ALL SELECT LOCATION FROM T1 WHERE EVENT_ID=3;
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SELECT LOCATION FROM T1 WHERE EVENT_ID=2 UNION ALL SELECT LOCATION FROM T1 WHERE EVENT_ID=3;
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drop table T1;
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#
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# Test name conversion with ALTER TABLE / CREATE INDEX (Bug #3109)
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#
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create table T1 (A int);
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alter table T1 add index (A);
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show tables like 'T1%';
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alter table t1 add index (A);
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show tables like 't1%';
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drop table t1;
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#
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# Bug #7261: Alter table loses temp table
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#
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create temporary table T1(a int(11), b varchar(8));
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insert into T1 values (1, 'abc');
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select * from T1;
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alter table T1 add index (a);
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select * from T1;
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drop table T1;
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#
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# Bug #8355: Tables not dropped from table cache on drop db
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#
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create database mysqltest_LC2;
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use mysqltest_LC2;
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create table myUC (i int);
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show tables;
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insert into myUC values (1),(2),(3);
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select * from myUC;
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use test;
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drop database mysqltest_LC2;
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create database mysqltest_LC2;
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use mysqltest_LC2;
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create table myUC (i int);
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select * from myUC;
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use test;
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drop database mysqltest_LC2;
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#
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# Bug #9500: Problem with WHERE clause
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#
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create table t2aA (col1 int);
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create table t1Aa (col1 int);
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select t1Aa.col1 from t1aA,t2Aa where t1Aa.col1 = t2aA.col1;
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drop table t2aA, t1Aa;
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# End of 4.1 tests
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#
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# Bug#17661 information_schema.SCHEMATA returns uppercase with lower_case_table_names = 1
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#
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create database mysqltest_LC2;
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use mysqltest_LC2;
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create table myUC (i int);
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select TABLE_SCHEMA,TABLE_NAME FROM information_schema.TABLES
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where TABLE_SCHEMA ='mysqltest_LC2';
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use test;
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drop database mysqltest_LC2;
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--echo #
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--echo # Bug #11758687: 50924: object names not resolved correctly
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--echo # on lctn2 systems
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--echo #
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CREATE DATABASE BUP_XPFM_COMPAT_DB2;
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CREATE TABLE BUP_XPFM_COMPAT_DB2.TABLE2 (c13 INT) DEFAULT CHARSET latin1;
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CREATE TABLE BUP_XPFM_COMPAT_DB2.table1 (c13 INT) DEFAULT CHARSET latin1;
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CREATE TABLE bup_xpfm_compat_db2.table3 (c13 INT) DEFAULT CHARSET latin1;
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delimiter |;
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#
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CREATE TRIGGER BUP_XPFM_COMPAT_DB2.trigger1 AFTER INSERT
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ON BUP_XPFM_COMPAT_DB2.table1 FOR EACH ROW
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update BUP_XPFM_COMPAT_DB2.table1 set c13=12;
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CREATE TRIGGER BUP_XPFM_COMPAT_DB2.TRIGGER2 AFTER INSERT
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ON BUP_XPFM_COMPAT_DB2.TABLE2 FOR EACH ROW
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update BUP_XPFM_COMPAT_DB2.table1 set c13=12;
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CREATE TRIGGER BUP_XPFM_COMPAT_DB2.TrigGer3 AFTER INSERT
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ON BUP_XPFM_COMPAT_DB2.TaBle3 FOR EACH ROW
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update BUP_XPFM_COMPAT_DB2.table1 set c13=12;
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delimiter ;|
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SELECT trigger_schema, trigger_name, event_object_table FROM
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INFORMATION_SCHEMA.TRIGGERS
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WHERE trigger_schema COLLATE utf8_bin = 'BUP_XPFM_COMPAT_DB2'
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ORDER BY trigger_schema, trigger_name;
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DROP DATABASE BUP_XPFM_COMPAT_DB2;
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--echo # End of 5.1 tests
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--echo #
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--echo # Test for bug #44738 "fill_schema_table_from_frm() opens tables without
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--echo # lowercasing table name". Due to not properly normalizing table names
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--echo # in lower_case_table_names modes in this function queries to I_S which
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--echo # were executed through it left entries with incorrect key in table
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--echo # definition cache. As result further queries to I_S that used this
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--echo # function produced stale results in cases when table definition was
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--echo # changed by a DDL statement. Also combination of this issue and a
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--echo # similar problem in CREATE TABLE (it also has peeked into table
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--echo # definition cache using non-normalized key) led to spurious
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--echo # ER_TABLE_EXISTS_ERROR errors when one tried to create table with the
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--echo # same name as a previously existing but dropped table.
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--echo #
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--disable_warnings
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drop database if exists mysqltest_UPPERCASE;
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drop table if exists t_bug44738_UPPERCASE;
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--enable_warnings
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create database mysqltest_UPPERCASE;
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use mysqltest_UPPERCASE;
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select database();
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create table t_bug44738_UPPERCASE (i int) comment='Old comment';
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create table t_bug44738_lowercase (i int) comment='Old comment';
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create table t_bug44738_UPPERCASE2 (i int) comment='Old comment';
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create table t_bug44738_lowercase2 (i int) comment='Old comment';
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select table_schema, table_name, table_comment from information_schema.tables
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where table_schema like 'mysqltest_%' and table_name like 't_bug44738_%'
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order by table_name;
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alter table t_bug44738_UPPERCASE comment='New comment';
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alter table t_bug44738_lowercase comment='New comment';
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alter table mysqltest_uppercase.t_bug44738_UPPERCASE2 comment='New comment';
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alter table mysqltest_UPPERCASE.t_bug44738_lowercase2 comment='New comment';
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--echo # There should be no stale entries in TDC for our tables after the
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--echo # above ALTER TABLE statements so new version of comments should be
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--echo # returned by the below query to I_S.
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select table_schema, table_name, table_comment from information_schema.tables
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where table_schema like 'mysqltest_%' and table_name like 't_bug44738_%'
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order by table_name;
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drop database mysqltest_UPPERCASE;
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use test;
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--echo # Let us check that the original test case which led to discovery
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--echo # of this problem also works.
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create table t_bug44738_UPPERCASE (i int);
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select table_schema, table_name, table_comment from information_schema.tables
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where table_schema = 'test' and table_name like 't_bug44738_%';
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drop table t_bug44738_UPPERCASE;
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--echo # After the above DROP TABLE there are no entries in TDC which correspond
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--echo # to our table and therefore the below statement should succeed.
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create table t_bug44738_UPPERCASE (i int);
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drop table t_bug44738_UPPERCASE;
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--echo # Finally, let us check that another issue which was exposed by
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--echo # the original test case is solved. I.e. that the table is not
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--echo # created if there is an entry for it in TDC even though it was
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--echo # removed from disk.
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create table t_bug44738_UPPERCASE (i int) engine = myisam;
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--echo # Load table definition in TDC.
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select table_schema, table_name, table_comment from information_schema.tables
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where table_schema = 'test' and table_name like 't_bug44738_%';
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--echo # Simulate manual removal of the table.
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let $MYSQLD_DATADIR= `select @@datadir`;
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--remove_file $MYSQLD_DATADIR/test/t_bug44738_UPPERCASE.frm
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--remove_file $MYSQLD_DATADIR/test/t_bug44738_UPPERCASE.MYD
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--remove_file $MYSQLD_DATADIR/test/t_bug44738_UPPERCASE.MYI
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--echo # Check that still there is an entry for table in TDC.
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show open tables like 't_bug44738_%';
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--echo # So attempt to create table with the same name should fail.
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--error ER_TABLE_EXISTS_ERROR
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create table t_bug44738_UPPERCASE (i int);
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--echo # And should succeed after FLUSH TABLES.
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flush tables;
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create table t_bug44738_UPPERCASE (i int);
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drop table t_bug44738_UPPERCASE;
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--echo #
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--echo # Bug #21317 SHOW CREATE DATABASE does not obey to
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--echo # lower_case_table_names
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--echo #
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create database mysql_TEST;
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create table mysql_TEST.T1(a int);
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show databases like 'mysql%';
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show databases like 'mysql_T%';
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show databases like 'mysql_t%';
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show create database mysql_test;
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show create database mysql_TEST;
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show create table mysql_TEST.T1;
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show create table mysql_test.t1;
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drop database mysql_TEST;
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--echo # MDEV-30765 SHOW TABLES not working properly with
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--echo # lower_case_table_names=2
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--echo #
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create database db1;
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use db1;
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--echo # lowercase table name
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create table `a` (a int);
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--echo # uppercase table name
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create table `B` (a int);
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create user 'mysqltest_1'@'localhost' identified by 'password';
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grant select, show view on db1.`a` to 'mysqltest_1'@'localhost';
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grant select, show view on db1.`B` to 'mysqltest_1'@'localhost';
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connect (conn1, localhost, mysqltest_1, password, db1);
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show tables;
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connection default;
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disconnect conn1;
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drop user 'mysqltest_1'@'localhost';
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drop tables a, B;
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drop database db1;
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--echo #
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--echo # MDEV-32025 Crashes in MDL_key::mdl_key_init with lower-case-table-names=2
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--echo #
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CREATE DATABASE `#mysql50#D+b1`;
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ALTER DATABASE `#mysql50#D+b1` UPGRADE DATA DIRECTORY NAME;
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SHOW CREATE DATABASE `D+b1`;
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SHOW CREATE DATABASE `d+b1`;
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DROP DATABASE `D+b1`;
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CREATE DATABASE Db1;
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ALTER DATABASE Db1 DEFAULT CHARACTER SET utf8;
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SHOW CREATE DATABASE Db1;
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SHOW CREATE DATABASE db1;
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DROP DATABASE Db1;
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--echo #
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--echo # MDEV-32026 lowercase_table2.test failures in 11.3
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--echo #
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CREATE DATABASE Db1;
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SHOW CREATE DATABASE Db1;
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USE Db1;
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SELECT DATABASE();
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DROP DATABASE Db1;
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CREATE DATABASE Db1;
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CREATE FUNCTION Db1.f1() RETURNS INT RETURN 10;
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CREATE FUNCTION db1.f2() RETURNS INT RETURN 10;
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SELECT db, name FROM mysql.proc WHERE name LIKE '^f[12]';
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SELECT Db1.f1();
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SELECT db1.f2();
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DROP DATABASE Db1;
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--echo #
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--echo # MDEV-32025 Crashes in MDL_key::mdl_key_init with lower-case-table-names=2
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--echo #
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CREATE DATABASE `#mysql50#D+b1`;
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ALTER DATABASE `#mysql50#D+b1` UPGRADE DATA DIRECTORY NAME;
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SHOW CREATE DATABASE `D+b1`;
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SHOW CREATE DATABASE `d+b1`;
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DROP DATABASE `D+b1`;
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CREATE DATABASE Db1;
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ALTER DATABASE Db1 DEFAULT CHARACTER SET utf8;
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SHOW CREATE DATABASE Db1;
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SHOW CREATE DATABASE db1;
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DROP DATABASE Db1;
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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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