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Diffstat (limited to 'mysql-test/r/mdl_sync.result')
| -rw-r--r-- | mysql-test/r/mdl_sync.result | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/mysql-test/r/mdl_sync.result b/mysql-test/r/mdl_sync.result index 984f0df3d0e..b78b8dadc77 100644 --- a/mysql-test/r/mdl_sync.result +++ b/mysql-test/r/mdl_sync.result @@ -2381,3 +2381,17 @@ commit; # Reap ALTER TABLE. set debug_sync= 'RESET'; drop table t1; +# +# Bug#52856 concurrent show columns or show full columns causes a crash!!! +# +CREATE TABLE t1(a CHAR(255)); +SET DEBUG_SYNC= "get_schema_column SIGNAL waiting WAIT_FOR completed"; +SHOW FULL COLUMNS FROM t1; +SET DEBUG_SYNC= "now WAIT_FOR waiting"; +SHOW FULL COLUMNS FROM t1; +Field Type Collation Null Key Default Extra Privileges Comment +a char(255) latin1_swedish_ci YES NULL # +SET DEBUG_SYNC= "now SIGNAL completed"; +Field Type Collation Null Key Default Extra Privileges Comment +a char(255) latin1_swedish_ci YES NULL # +DROP TABLE t1; |