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MDEV-16814 CREATE TABLE SELECT JSON_QUOTE(multibyte_charset_expr) makes a field of a wrong length

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This commit is contained in:
Alexander Barkov
2018-07-24 18:15:15 +04:00
parent 45ab00f097
commit a8227a1543
3 changed files with 24 additions and 2 deletions
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15
mysql-test/r/func_json.result
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@ -297,7 +297,7 @@ json_quote('foo')
show create table t1;
Table Create Table
t1 CREATE TABLE `t1` (
`json_quote('foo')` varchar(10) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL
`json_quote('foo')` varchar(38) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
drop table t1;
select json_merge('string');
@ -747,3 +747,16 @@ INSERT INTO t1 VALUES ('foo'),('bar');
SELECT * FROM t1 WHERE c IN (JSON_EXTRACT('{"a":"b"}', '$.*'));
c
DROP TABLE t1;
#
# MDEV-16814 CREATE TABLE SELECT JSON_QUOTE(multibyte_charset_expr) makes a field of a wrong length
#
CREATE TABLE t1 AS SELECT
JSON_QUOTE(_latin1'foo') AS c1,
JSON_QUOTE(_utf8'foo') AS c2;
SHOW CREATE TABLE t1;
Table Create Table
t1 CREATE TABLE `t1` (
`c1` varchar(38) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL,
`c2` varchar(38) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;