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| author | Sergey Vojtovich <svoj@mariadb.org> | 2018-04-03 18:34:46 +0400 |
|---|---|---|
| committer | Sergey Vojtovich <svoj@mariadb.org> | 2018-04-20 17:05:28 +0400 |
| commit | 38c799c9a5e5aadd3f4df157a4151dd1f71d5bcb (patch) | |
| tree | de40f9f47e38832c87e314ab32cb38255bf7d0a1 /mysql-test/main/column_compression.test | |
| parent | 3dec6c48bce84a6c804f2a714aa899aef8c45f93 (diff) | |
| download | mariadb-git-38c799c9a5e5aadd3f4df157a4151dd1f71d5bcb.tar.gz | |
MDEV-15763 - VARCHAR(1) COMPRESSED crashes the server
Storing 1 byte long string in VARCHAR() COMPRESSED column may trigger
integer overflow when calculating available space for zlib output.
Diffstat (limited to 'mysql-test/main/column_compression.test')
| -rw-r--r-- | mysql-test/main/column_compression.test | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/mysql-test/main/column_compression.test b/mysql-test/main/column_compression.test index af1886e0a54..84f17076494 100644 --- a/mysql-test/main/column_compression.test +++ b/mysql-test/main/column_compression.test @@ -102,3 +102,13 @@ INSERT INTO t1 VALUES('a'); INSERT INTO t1 VALUES(' '); SELECT LENGTH(a) FROM t1; DROP TABLE t1; + + +--echo # +--echo # MDEV-15763 - VARCHAR(1) COMPRESSED crashes the server +--echo # +CREATE TABLE t1(a VARCHAR(1) COMPRESSED); +SET column_compression_threshold=0; +INSERT INTO t1 VALUES('a'); +SET column_compression_threshold=DEFAULT; +DROP TABLE t1; |