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MDEV-8334: Rename utf8 to utf8mb3

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This patch changes the main name of 3 byte character set from utf8 to
utf8mb3. New old_mode UTF8_IS_UTF8MB3 is added and set TRUE by default,
so that utf8 would mean utf8mb3. If not set, utf8 would mean utf8mb4.
This commit is contained in:
Rucha Deodhar
2021-02-15 01:39:37 +05:30
committed by Oleksandr Byelkin
parent c366845a0b
commit 2fdb556e04
415 changed files with 8048 additions and 7826 deletions
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10
mysql-test/main/empty_string_literal.result
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@ -31,17 +31,17 @@ latin2 NULL
SET sql_mode=@mode;
SELECT N'',CHARSET(N''), N'x', CHARSET(N'x');
NULL CHARSET(N'') x CHARSET(N'x')
NULL utf8 x utf8
NULL utf8mb3 x utf8mb3
SELECT CHARSET(NULLIF(N'',N'')),NULLIF(N'',N'');
CHARSET(NULLIF(N'',N'')) NULLIF(N'',N'')
utf8 NULL
utf8mb3 NULL
SET sql_mode=default;
SELECT N'',CHARSET(N''), N'x', CHARSET(N'x');
CHARSET(N'') x CHARSET(N'x')
utf8 x utf8
utf8mb3 x utf8mb3
SELECT CHARSET(NULLIF(N'',N'')),NULLIF(N'',N'');
CHARSET(NULLIF(N'',N'')) NULLIF(N'',N'')
utf8 NULL
utf8mb3 NULL
#
# Test CHARSET prefix litteral
#
@ -98,7 +98,7 @@ NULL CHARSET(_latin1'' '' '')
NULL latin1
SELECT N'' '' '',CHARSET(N'' '' '');
NULL CHARSET(N'' '' '')
NULL utf8
NULL utf8mb3
#
# UNION - implicit group by
#