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MDL BF-BF conflict on ALTER and UPDATE with multi-level foreign key parents #479

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MDL BF-BF conflict on ALTER and UPDATE with multi-level foreign key parents #479

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63c4d72
MDEV-35018 MDL BF-BF conflict on DROP TABLE
sciascid Sep 26, 2024
c7a4ec5
MDL BF-BF conflict on ALTER and UPDATE with multi-level foreign key p…
hemantdangi-gc Jan 27, 2025
ec10115
Revert "MDL BF-BF conflict on ALTER and UPDATE with multi-level forei…
hemantdangi-gc Jan 27, 2025
190be96
MDL BF-BF conflict on ALTER and UPDATE with multi-level foreign key p…
hemantdangi-gc Jan 27, 2025
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6 changes: 6 additions & 0 deletions include/mysql/service_wsrep.h
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Original file line number Diff line number Diff line change
Expand Up @@ -123,6 +123,7 @@ extern struct wsrep_service_st {
#define wsrep_thd_is_local(T) wsrep_service->wsrep_thd_is_local_func(T)
#define wsrep_thd_self_abort(T) wsrep_service->wsrep_thd_self_abort_func(T)
#define wsrep_thd_append_key(T,W,N,K) wsrep_service->wsrep_thd_append_key_func(T,W,N,K)
#define wsrep_thd_append_table_key(T,D,B,K) wsrep_service->wsrep_thd_append_table_key_func(T,D,B,K)
#define wsrep_thd_client_state_str(T) wsrep_service->wsrep_thd_client_state_str_func(T)
#define wsrep_thd_client_mode_str(T) wsrep_service->wsrep_thd_client_mode_str_func(T)
#define wsrep_thd_transaction_state_str(T) wsrep_service->wsrep_thd_transaction_state_str_func(T)
Expand Down Expand Up @@ -228,6 +229,11 @@ extern "C" int wsrep_thd_append_key(MYSQL_THD thd,
int n_keys,
enum Wsrep_service_key_type);

extern "C" int wsrep_thd_append_table_key(MYSQL_THD thd,
const char* db,
const char* table,
enum Wsrep_service_key_type);

extern const char* wsrep_sr_table_name_full;

extern "C" const char* wsrep_get_sr_table_name();
Expand Down
38 changes: 38 additions & 0 deletions mysql-test/suite/galera/r/MDEV-35018.result
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Original file line number Diff line number Diff line change
@@ -0,0 +1,38 @@
connection node_2;
connection node_1;
connection node_2;
SET GLOBAL wsrep_slave_threads=2;
CREATE TABLE t1 (
id INTEGER PRIMARY KEY,
f2 INTEGER);
CREATE TABLE t2 (
f1 INT PRIMARY KEY,
t1_id INT NOT NULL,
f2 INTEGER NOT NULL,
KEY key_t1_id(t1_id),
CONSTRAINT key_t1_id FOREIGN KEY (t1_id) REFERENCES t1 (id) ON UPDATE CASCADE ON DELETE CASCADE);
INSERT INTO t1 VALUES (1,0);
INSERT INTO t1 VALUES (2,0);
INSERT INTO t2 VALUES (1,1,1234);
INSERT INTO t2 VALUES (2,2,1234);
connection node_2;
SET GLOBAL DEBUG_DBUG = "d,sync.wsrep_apply_toi";
connection node_1;
DROP TABLE t2;
connection node_2;
SET DEBUG_SYNC = "now WAIT_FOR sync.wsrep_apply_toi_reached";
SET SESSION wsrep_sync_wait = 0;
1
connection node_1;
UPDATE t1 SET f2 = 1 WHERE id=2;
connection node_2;
SET DEBUG_SYNC = "now SIGNAL signal.wsrep_apply_toi";
SET SESSION wsrep_sync_wait = DEFAULT;
SELECT * FROM t1;
id f2
1 0
2 1
SET DEBUG_SYNC = 'RESET';
SET GLOBAL DEBUG_DBUG = '';
SET GLOBAL wsrep_slave_threads = DEFAULT;
DROP TABLE t1;
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