diff options
| -rw-r--r-- | mysql-test/r/lock_sync.result | 27 | ||||
| -rw-r--r-- | mysql-test/t/lock_sync.test | 54 | ||||
| -rw-r--r-- | sql/sql_base.cc | 3 |
3 files changed, 82 insertions, 2 deletions
diff --git a/mysql-test/r/lock_sync.result b/mysql-test/r/lock_sync.result index 752f278a2b4..8b662cc8a82 100644 --- a/mysql-test/r/lock_sync.result +++ b/mysql-test/r/lock_sync.result @@ -629,3 +629,30 @@ drop procedure p1; drop procedure p2; drop table t1, t2, t3, t4, t5, te; set @@global.concurrent_insert= @old_concurrent_insert; +# +# Bug#11763784 56541: ASSERTION TABLE->DB_STAT FAILED IN +# SQL_BASE.CC::OPEN_TABLE() DURING I_S Q +# +DROP TABLE IF EXISTS t1; +CREATE TABLE t1(a int); +INSERT INTO t1 VALUES (1), (2); +CREATE TRIGGER t1_bi BEFORE INSERT ON t1 FOR EACH ROW BEGIN END; +# Connection con2 +SET DEBUG_SYNC= 'before_open_in_get_all_tables SIGNAL is_waits WAIT_FOR is_cont'; +# Sending: +SELECT * FROM information_schema.table_constraints JOIN t1 ON table_name = a; +# Connection con1 +SET DEBUG_SYNC= 'now WAIT_FOR is_waits'; +# Sending: +DROP TRIGGER t1_bi; +# Connection default +# Wait until DROP TRIGGER is blocked, waiting for t1 +SET DEBUG_SYNC= 'now SIGNAL is_cont'; +# Connection con2 +# Reaping SELECT * FROM information_schema.table_constraints JOIN t1... +CONSTRAINT_CATALOG CONSTRAINT_SCHEMA CONSTRAINT_NAME TABLE_SCHEMA TABLE_NAME CONSTRAINT_TYPE a +# Connection con1 +# Reaping DROP TRIGGER t1_bi +# Connection default +DROP TABLE t1; +SET DEBUG_SYNC= 'RESET'; diff --git a/mysql-test/t/lock_sync.test b/mysql-test/t/lock_sync.test index 17f8abb75f3..1df09524140 100644 --- a/mysql-test/t/lock_sync.test +++ b/mysql-test/t/lock_sync.test @@ -862,6 +862,60 @@ disconnect con2; set @@global.concurrent_insert= @old_concurrent_insert; +--echo # +--echo # Bug#11763784 56541: ASSERTION TABLE->DB_STAT FAILED IN +--echo # SQL_BASE.CC::OPEN_TABLE() DURING I_S Q +--echo # + +--disable_warnings +DROP TABLE IF EXISTS t1; +--enable_warnings + +CREATE TABLE t1(a int); +INSERT INTO t1 VALUES (1), (2); +CREATE TRIGGER t1_bi BEFORE INSERT ON t1 FOR EACH ROW BEGIN END; + +connect (con1, localhost, root); +--echo # Connection con2 +connect (con2, localhost, root); +SET DEBUG_SYNC= 'before_open_in_get_all_tables SIGNAL is_waits WAIT_FOR is_cont'; +--echo # Sending: +--send SELECT * FROM information_schema.table_constraints JOIN t1 ON table_name = a + +--echo # Connection con1 +connection con1; +SET DEBUG_SYNC= 'now WAIT_FOR is_waits'; +--echo # Sending: +--send DROP TRIGGER t1_bi + +--echo # Connection default +connection default; +--echo # Wait until DROP TRIGGER is blocked, waiting for t1 +let $wait_condition= + SELECT COUNT(*) = 1 FROM information_schema.processlist + WHERE state = "Waiting for table" AND + info = "DROP TRIGGER t1_bi"; +--source include/wait_condition.inc +SET DEBUG_SYNC= 'now SIGNAL is_cont'; + +--echo # Connection con2 +connection con2; +--echo # Reaping SELECT * FROM information_schema.table_constraints JOIN t1... +--reap + +--echo # Connection con1 +connection con1; +--echo # Reaping DROP TRIGGER t1_bi +--reap + +--echo # Connection default +connection default; +DROP TABLE t1; +SET DEBUG_SYNC= 'RESET'; +disconnect con1; +disconnect con2; + + # Check that all connections opened by test cases in this file are really # gone so execution of other tests won't be affected by their presence. --source include/wait_until_count_sessions.inc diff --git a/sql/sql_base.cc b/sql/sql_base.cc index 9765148cda1..dc78f3b84c6 100644 --- a/sql/sql_base.cc +++ b/sql/sql_base.cc @@ -2798,10 +2798,9 @@ TABLE *open_table(THD *thd, TABLE_LIST *table_list, MEM_ROOT *mem_root, ("Found table '%s.%s' with different refresh version", table_list->db, table_list->table_name)); - /* Ignore FLUSH, but not name locks! */ + /* Ignore FLUSH and pending name locks, but not acquired name locks! */ if (flags & MYSQL_LOCK_IGNORE_FLUSH && !table->open_placeholder) { - DBUG_ASSERT(table->db_stat); /* Force close at once after usage */ thd->version= table->s->version; continue; |