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MDEV-25151 JSON_TABLE: Unexpectedly padded values in a PATH column.

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Field length can increase after the change_charset(), so need to
set field->ptr properly.

also sensitive parts of the test moved to json_not_embedded.test.
This commit is contained in:
Alexey Botchkov
2021-03-18 15:36:28 +04:00
parent 047eb2258d
commit 51ac57fbbe
5 changed files with 90 additions and 51 deletions
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20
mysql-test/suite/json/r/json_table_notembedded.result Normal file
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create database db;
use db;
create table t (a text);
insert into t values ('{"foo":"bar"}');
create user u@localhost;
grant select (a) on db.t to u@localhost;
connect con1,localhost,u,,db;
select a from t;
a
{"foo":"bar"}
select * from t, json_table(t.a, '$' columns(f varchar(20) path '$.foo')) as jt;
a f
{"foo":"bar"} bar
select * into outfile 'f' from json_table('[]', '$' columns(x for ordinality)) q;
ERROR 28000: Access denied for user 'u'@'localhost' (using password: NO)
connection default;
disconnect con1;
drop user u@localhost;
drop database db;
use test;