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MDEV-25704 Add RANDOM_BYTES function

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MySQL 5.6 added the RANDOM_BYTES function.
https://dev.mysql.com/doc/refman/5.6/en/encryption-functions.html#function_random-bytes

This is needed for compatibility purposes.
This commit is contained in:
Vanislavsky
2022-02-13 23:19:02 +10:00
committed by Sergei Golubchik
parent 0fbbf2ee78
commit 3c2b0cac52
7 changed files with 227 additions and 1 deletions
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57
mysql-test/main/func_str.test
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@@ -1,6 +1,7 @@
# Description
# -----------
# Testing string functions
--source include/have_sequence.inc
--disable_warnings
drop table if exists t1,t2;
@@ -2193,3 +2194,59 @@ SELECT GROUP_CONCAT( UpdateXML( '<a>new year</a>', '/a', '2019-01-01 00:00:00' )
--echo #
--echo # End of 10.4 tests
--echo #
--echo #
--echo # MDEV-25704 Function random_bytes
--echo #
create table t1 as select random_bytes(100);
show create table t1;
drop table t1;
--echo # The sequence starts at 17 so that the probability of test failure is small enough (about 2^(-136))
select count(*) from seq_17_to_1024 where random_bytes(seq) <=> random_bytes(seq);
select (count(*) = 1024) from seq_1_to_1024 where length(random_bytes(seq)) = seq;
--echo #
--echo # Test NULL output for NULL input
--echo #
SELECT random_bytes(NULL);
--echo #
--echo # Test For values outside range from 1 to 1024, an error occurs
--echo #
--error 1690
SELECT random_bytes(0);
--error 1690
SELECT random_bytes(-1);
--error 1690
SELECT random_bytes(-100);
--error 1690
SELECT random_bytes(-26);
--error 1690
SELECT random_bytes(-132);
--error 1690
SELECT random_bytes(1025);
--error 1690
SELECT random_bytes(11111);
--error 1690
SELECT random_bytes(2056);
--echo #
--echo # Test For invalid argument, an error occurs
--echo #
--error 1690
SELECT random_bytes('s');
--error 1690
SELECT random_bytes('r');
--error 1690
SELECT random_bytes('res');
--error 1690
SELECT random_bytes('test');
--echo #
--echo # End of 10.10 tests
--echo #