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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")});
154 lines
2.9 KiB
Text
154 lines
2.9 KiB
Text
--echo #
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--echo # Start of 11.5 tests
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--echo #
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--echo #
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--echo # MDEV-31340 Remove MY_COLLATION_HANDLER::strcasecmp()
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--echo #
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#
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# Identifiers are accent sensitive and case insensitive,
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# and there are usually only two variants of a letter (capital and small)
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# having equal octet length in utf8.
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#
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# There are a few exceptions (coming from Unicode casefolding rules)
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# changing octet length during casefolding.
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#
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# Testing "U+0132 LATIN SMALL LETTER DOTLESS I" versus letters I and i.
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#
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# Column
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SET NAMES utf8;
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--error ER_DUP_FIELDNAME
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CREATE TABLE t1 (I int, ı int);
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# Index
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--error ER_DUP_KEYNAME
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CREATE TABLE t1 (a int, b int, KEY I(a), KEY ı(b));
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# Locale
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SET @@lc_time_names=it_ıT;
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SELECT @@lc_time_names;
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SET @@lc_time_names=DEFAULT;
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# Host
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#CREATE user u1@ıT;
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#SELECT user, host FROM mysql.user WHERE user='u1';
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#DROP USER u1@it;
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# I_S table name
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CREATE VIEW v1 AS SELECT 1;
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SELECT COUNT(*) FROM INFORMATION_SCHEMA.VIEWS WHERE TABLE_NAME='v1';
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SELECT COUNT(*) FROM INFORMATION_SCHEMA.VıEWS WHERE TABLE_NAME='v1';
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DROP VIEW v1;
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# Window name
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CREATE OR REPLACE TABLE t1 (pk int, c int);
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INSERT INTO t1 VALUES (1,1);
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INSERT INTO t1 VALUES (1,2);
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INSERT INTO t1 VALUES (1,3);
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INSERT INTO t1 VALUES (2,1);
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INSERT INTO t1 VALUES (2,2);
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INSERT INTO t1 VALUES (2,3);
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SELECT pk, COUNT(*) OVER I AS cnt
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FROM t1
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WINDOW ı AS (PARTITION BY c ORDER BY pk ROWS BETWEEN 1 PRECEDING AND 1 FOLLOWING);
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DROP TABLE t1;
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# Function
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SELECT CEIL(10.6);
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SELECT CEıL(10.6);
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CREATE FUNCTION I() RETURNS INT RETURN 1;
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SELECT ı();
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DROP FUNCTION ı;
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# CTE - WITH reference
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WITH I AS (SELECT 'a1' AS a, 'b1' AS b) SELECT * FROM ı;
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# Plugin
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--error ER_PLUGIN_INSTALLED
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INSTALL PLUGIN arıa SONAME 'not important';
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# Engine
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CREATE TABLE t1 (a INT) ENGINE=MyıSAM;
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SHOW CREATE TABLE t1;
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DROP TABLE t1;
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# System variable
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SELECT @@CHARACTER_SET_CLıENT;
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# User variable
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SET @I='i';
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SELECT @ı;
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# System versioning: row start, row end
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CREATE TABLE t1(
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x INT,
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start_timestamp TIMESTAMP(6) GENERATED ALWAYS AS ROW START,
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end_timestamp TIMESTAMP(6) GENERATED ALWAYS AS ROW END,
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PERIOD FOR SYSTEM_TIME(start_tımestamp, end_tımestamp)
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) WITH SYSTEM VERSIONING;
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SHOW CREATE TABLE t1;
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DROP TABLE t1;
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# Label names
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DELIMITER $$;
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--error ER_SP_LABEL_REDEFINE
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BEGIN NOT ATOMIC
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label_ı:
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LOOP
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label_I:
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LOOP
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LEAVE label_I;
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END LOOP;
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LEAVE label_ı;
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END LOOP;
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END;
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$$
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DELIMITER ;$$
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DELIMITER $$;
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BEGIN NOT ATOMIC
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label_ı:
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LOOP
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SELECT 'looping' AS stage;
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LEAVE label_I;
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END LOOP;
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SELECT 'out of loop' AS stage;
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END;
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$$
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DELIMITER ;$$
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# References in GROUP BY
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CREATE TABLE t1 (a INT);
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INSERT INTO t1 VALUES (1),(2),(3);
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SELECT 'a' AS I FROM t1 GROUP BY ı;
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SELECT 'a' AS ı FROM t1 GROUP BY I;
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--error ER_BAD_FIELD_ERROR
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SELECT 'a' AS İ FROM t1 GROUP BY i;
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--error ER_BAD_FIELD_ERROR
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SELECT 'a' AS i FROM t1 GROUP BY İ;
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DROP TABLE t1;
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--echo #
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--echo # End of 11.5 tests
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--echo #
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