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MDEV-11833 JSON functions don't seem to respect max_allowed_packet.

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Now let's check JSON length to fit the max_allowed packet.
This commit is contained in:
Alexey Botchkov
2017-03-14 17:31:14 +04:00
parent d0e8b427a1
commit af6eee1fc5
4 changed files with 63 additions and 2 deletions
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23
mysql-test/r/func_json.result
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@ -595,3 +595,26 @@ JSON_search( '{"x": "\\""}', "one", '"')
SELECT JSON_search( '{"x": "\\""}', "one", '\\"');
JSON_search( '{"x": "\\""}', "one", '\\"')
"$.x"
set @@global.net_buffer_length=1024;
set @@global.max_allowed_packet=2048;
connect newconn, localhost, root,,;
show variables like 'net_buffer_length';
Variable_name Value
net_buffer_length 1024
show variables like 'max_allowed_packet';
Variable_name Value
max_allowed_packet 2048
select json_array(repeat('a',1024),repeat('a',1024));
json_array(repeat('a',1024),repeat('a',1024))
NULL
Warnings:
Warning 1301 Result of json_array() was larger than max_allowed_packet (2048) - truncated
select json_object("a", repeat('a',1024),"b", repeat('a',1024));
json_object("a", repeat('a',1024),"b", repeat('a',1024))
NULL
Warnings:
Warning 1301 Result of json_object() was larger than max_allowed_packet (2048) - truncated
connection default;
set @@global.max_allowed_packet = default;
set @@global.net_buffer_length = default;
disconnect newconn;