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MDEV-32235: mysql_json cannot be used on newly created table

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- Closes PR #2839
- Usage of `Column_definition_fix_attributes()` suggested by Alexandar
  Barkov - thanks bar, that is better than hook in server code
  (reverted 22f3ebe4bf)
  - This method is called after parsing the data type:
    * in `CREATE/ALTER TABLE`
    * in SP: return data type, parameter data type, variable data type
  - We want to disallow all these use cases of MYSQL_JSON.

- Reviewer: bar@mariadb.com
            cvicentiu@mariadb.org
This commit is contained in:
Anel Husakovic
2024-01-12 15:39:38 +01:00
committed by Alexander Barkov
parent 8b5c1d5afa
commit 8a763c014e
3 changed files with 76 additions and 8 deletions
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41
mysql-test/main/mysql_json_table_recreate.test
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@ -51,6 +51,13 @@ show create table mysql_json_test;
--error ER_TABLE_NEEDS_REBUILD
select * from mysql_json_test;
--error ER_TABLE_NEEDS_REBUILD
CREATE TABLE t2 AS SELECT * FROM mysql_json_test;
--error ER_NOT_ALLOWED_IN_THIS_CONTEXT
CREATE TABLE t2 (a mysql_json /*new column*/) AS SELECT * FROM mysql_json_test;
--error ER_NOT_ALLOWED_IN_THIS_CONTEXT
CREATE TABLE t2 (actual mysql_json /*existing column*/) AS SELECT * FROM mysql_json_test;
--error ER_TABLE_NEEDS_REBUILD
LOCK TABLES mysql_json_test WRITE;
@ -97,9 +104,8 @@ drop table mysql_json_test_big;
create table t1(j json);
show create table t1;
drop table t1;
--error ER_NOT_ALLOWED_IN_THIS_CONTEXT
create table t1(j mysql_json);
show create table t1;
drop table t1;
# `json` type should not have character set and collation other than utf8mb4_bin
--error ER_PARSE_ERROR
create table `testjson` (
@ -121,6 +127,37 @@ create table `testjson` (
show create table testjson;
drop table testjson;
--echo #
--echo # MDEV-32235: mysql_json cannot be used on newly created table
--echo #
--error ER_NOT_ALLOWED_IN_THIS_CONTEXT
CREATE TABLE t(j mysql_json);
--error ER_NOT_ALLOWED_IN_THIS_CONTEXT
CREATE TABLE IF NOT EXISTS t(j mysql_json);
--error ER_NOT_ALLOWED_IN_THIS_CONTEXT
CREATE OR REPLACE TABLE t(j mysql_json);
--error ER_NOT_ALLOWED_IN_THIS_CONTEXT
CREATE TEMPORARY TABLE t(j mysql_json);
CREATE TABLE t1 (a TEXT);
--error ER_NOT_ALLOWED_IN_THIS_CONTEXT
ALTER TABLE t1 MODIFY a mysql_json;
DROP TABLE t1;
--error ER_NOT_ALLOWED_IN_THIS_CONTEXT
CREATE FUNCTION f1() RETURNS mysql_json RETURN NULL;
--error ER_NOT_ALLOWED_IN_THIS_CONTEXT
CREATE FUNCTION f1(a mysql_json) RETURNS INT RETURN 0;
DELIMITER $$;
--error ER_NOT_ALLOWED_IN_THIS_CONTEXT
CREATE PROCEDURE p1()
BEGIN
DECLARE a mysql_json;
END;
$$
DELIMITER ;$$
--echo #
--echo # End of 10.5 tests
--echo #