You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
201 lines
7.1 KiB
201 lines
7.1 KiB
--source include/have_debug.inc
|
|
--source include/have_debug_sync.inc
|
|
|
|
--echo # Testing of histogram statistics that uses DEBUG functionality.
|
|
|
|
--echo #
|
|
--echo # Simulate a failure due to dropping histograms during DROP TABLE
|
|
--echo #
|
|
CREATE TABLE t1 (col1 INT, col2 INT);
|
|
ANALYZE TABLE t1 UPDATE HISTOGRAM ON col1, col2 WITH 10 BUCKETS;
|
|
SELECT schema_name, table_name, column_name
|
|
FROM information_schema.COLUMN_STATISTICS;
|
|
|
|
SELECT schema_name, table_name, column_name
|
|
FROM information_schema.COLUMN_STATISTICS;
|
|
SELECT COUNT(*) FROM information_schema.TABLES
|
|
WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 't1';
|
|
|
|
SET DEBUG='+d,fail_after_drop_histograms';
|
|
--error ER_UNABLE_TO_DROP_COLUMN_STATISTICS
|
|
DROP TABLE t1;
|
|
|
|
SELECT schema_name, table_name, column_name
|
|
FROM information_schema.COLUMN_STATISTICS;
|
|
SELECT COUNT(*) FROM information_schema.TABLES
|
|
WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 't1';
|
|
|
|
SET DEBUG='-d,fail_after_drop_histograms';
|
|
|
|
--echo #
|
|
--echo # Simulate a failure due to dropping histograms during ALTER TABLE
|
|
--echo #
|
|
|
|
SELECT schema_name, table_name, column_name
|
|
FROM information_schema.COLUMN_STATISTICS;
|
|
SELECT COUNT(*) FROM information_schema.COLUMNS
|
|
WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 't1' AND COLUMN_NAME = 'col2';
|
|
|
|
SET DEBUG='+d,fail_after_drop_histograms';
|
|
--error ER_UNABLE_TO_DROP_COLUMN_STATISTICS
|
|
ALTER TABLE t1 DROP COLUMN col2;
|
|
|
|
SELECT schema_name, table_name, column_name
|
|
FROM information_schema.COLUMN_STATISTICS;
|
|
SELECT COUNT(*) FROM information_schema.COLUMNS
|
|
WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 't1' AND COLUMN_NAME = 'col2';
|
|
|
|
SET DEBUG='-d,fail_after_drop_histograms';
|
|
|
|
--echo #
|
|
--echo # Simulate a failure due to renaming histograms during ALTER TABLE RENAME
|
|
--echo #
|
|
SELECT schema_name, table_name, column_name
|
|
FROM information_schema.COLUMN_STATISTICS;
|
|
SELECT COUNT(*) FROM information_schema.TABLES
|
|
WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 't1';
|
|
|
|
SET DEBUG='+d,fail_after_rename_histograms';
|
|
--error ER_UNABLE_TO_UPDATE_COLUMN_STATISTICS
|
|
ALTER TABLE t1 RENAME TO t2;
|
|
SELECT schema_name, table_name, column_name
|
|
FROM information_schema.COLUMN_STATISTICS;
|
|
SELECT COUNT(*) FROM information_schema.TABLES
|
|
WHERE TABLE_SCHEMA = 'test' AND TABLE_NAME = 't1';
|
|
SET DEBUG='-d,fail_after_rename_histograms';
|
|
|
|
DROP TABLE t1;
|
|
|
|
|
|
--echo #
|
|
--echo # Check that histogram with sampling works as expected
|
|
--echo #
|
|
|
|
SET DEBUG='+d,histogram_force_sampling';
|
|
|
|
CREATE TABLE t1 (col1 DOUBLE);
|
|
INSERT INTO t1 SELECT RAND(1);
|
|
INSERT INTO t1 SELECT RAND(2) FROM t1;
|
|
INSERT INTO t1 SELECT RAND(3) FROM t1;
|
|
INSERT INTO t1 SELECT RAND(4) FROM t1;
|
|
INSERT INTO t1 SELECT RAND(5) FROM t1;
|
|
INSERT INTO t1 SELECT RAND(6) FROM t1;
|
|
INSERT INTO t1 SELECT RAND(7) FROM t1;
|
|
INSERT INTO t1 SELECT RAND(8) FROM t1;
|
|
INSERT INTO t1 SELECT RAND(9) FROM t1;
|
|
INSERT INTO t1 SELECT RAND(10) FROM t1;
|
|
|
|
ANALYZE TABLE t1 UPDATE HISTOGRAM ON col1 WITH 4 BUCKETS;
|
|
SELECT schema_name, table_name, column_name,
|
|
JSON_REMOVE(histogram, '$."last-updated"')
|
|
FROM information_schema.COLUMN_STATISTICS;
|
|
|
|
SET DEBUG='-d,histogram_force_sampling';
|
|
DROP TABLE t1;
|
|
|
|
--echo #
|
|
--echo # Bug#26020352 WL8943:ASSERTION `M_THD->GET_TRANSACTION()->IS_EMPTY(
|
|
--echo # TRANSACTION_CTX::STMT) && M
|
|
--echo #
|
|
CREATE TABLE t1 (col1 INT);
|
|
ANALYZE TABLE t1 UPDATE HISTOGRAM ON col1 WITH 10 BUCKETS;
|
|
SELECT schema_name, table_name, column_name
|
|
FROM information_schema.COLUMN_STATISTICS;
|
|
SET DEBUG='+d,histogram_fail_after_open_table';
|
|
ANALYZE TABLE t1 UPDATE HISTOGRAM ON col1 WITH 10 BUCKETS;
|
|
SELECT schema_name, table_name, column_name
|
|
FROM information_schema.COLUMN_STATISTICS;
|
|
SET DEBUG='-d,histogram_fail_after_open_table';
|
|
DROP TABLE t1;
|
|
|
|
--echo #
|
|
--echo # Bug#26027240 WL8943:VIRTUAL BOOL SQL_CMD_ANALYZE_TABLE::EXECUTE(THD*):
|
|
--echo # ASSERTION `FALSE' FAIL
|
|
--echo #
|
|
CREATE TABLE t1 (col1 INT);
|
|
ANALYZE TABLE t1 UPDATE HISTOGRAM ON col1 WITH 10 BUCKETS;
|
|
SET DEBUG='+d,histogram_fail_during_lock_for_write';
|
|
ANALYZE TABLE t1 DROP HISTOGRAM ON col1;
|
|
|
|
--echo # Since we have simulated a fail, the histogram should still be present.
|
|
--echo # However, since this is a simulation of failure no error is reported.
|
|
SELECT schema_name, table_name, column_name
|
|
FROM information_schema.COLUMN_STATISTICS;
|
|
SET DEBUG='-d,histogram_fail_during_lock_for_write';
|
|
ANALYZE TABLE t1 DROP HISTOGRAM ON col1;
|
|
|
|
--echo # The histogram should now be gone.
|
|
SELECT schema_name, table_name, column_name
|
|
FROM information_schema.COLUMN_STATISTICS;
|
|
DROP TABLE t1;
|
|
|
|
|
|
--echo #
|
|
--echo # Bug#26772858 MDL FOR COLUMN STATISTICS IS NOT PROPERLY REFLECTED IN
|
|
--echo # P_S.METADATA_LOCKS
|
|
--echo #
|
|
connect(con1, localhost, root,,);
|
|
CREATE TABLE t1 (col1 INT);
|
|
SET DEBUG_SYNC='store_histogram_after_write_lock SIGNAL histogram_1_waiting WAIT_FOR continue_store_histogram';
|
|
--send ANALYZE TABLE t1 UPDATE HISTOGRAM ON col1 WITH 2 BUCKETS;
|
|
|
|
# The connection 'con1' will now wait on the debug sync point
|
|
# "store_histogram_after_write_lock", where it has acquired an exclusive lock
|
|
# on the histogram object. Switch connection, and inspect the metadata locks
|
|
# table in performance schema in order to verify that OBJECT_TYPE is properly
|
|
# reflected. Wait until 'con1' has signaled that it actually is waiting
|
|
--connection default
|
|
SET DEBUG_SYNC='now WAIT_FOR histogram_1_waiting';
|
|
SELECT OBJECT_TYPE, OBJECT_SCHEMA, OBJECT_NAME, COLUMN_NAME
|
|
FROM performance_schema.metadata_locks
|
|
WHERE LOCK_TYPE = "EXCLUSIVE"
|
|
AND OBJECT_TYPE = "COLUMN STATISTICS"
|
|
ORDER BY OBJECT_TYPE, OBJECT_SCHEMA, OBJECT_NAME, COLUMN_NAME;
|
|
|
|
# While 'con1' still is waiting on the sync point right after the exclusive lock
|
|
# is aquired, open a new connection and create a histogram for the same column.
|
|
# The effect we want is a wait on the same MDL, so that we can inspect that
|
|
# the lock is fully reflected in performance_schema.events_waits_*
|
|
connect(con2, localhost, root,,);
|
|
SET DEBUG_SYNC='mdl_acquire_lock_wait SIGNAL histogram_2_lock_waiting';
|
|
--send ANALYZE TABLE t1 UPDATE HISTOGRAM ON col1 WITH 2 BUCKETS;
|
|
|
|
# Go back to the default connection, and verify the contents of
|
|
# performance_schema.events_waits_*. Wait until 'con2' has signaled that it is
|
|
# actually waiting for the lock.
|
|
--connection default
|
|
SET DEBUG_SYNC='now WAIT_FOR histogram_2_lock_waiting';
|
|
SELECT OBJECT_TYPE, OBJECT_SCHEMA, OBJECT_NAME, INDEX_NAME
|
|
FROM performance_schema.events_waits_current
|
|
WHERE OBJECT_TYPE = "COLUMN STATISTICS"
|
|
ORDER BY OBJECT_TYPE, OBJECT_SCHEMA, OBJECT_NAME, INDEX_NAME;
|
|
|
|
# Finally let 'con1' finish building the histogram. Once 'con1' has released the
|
|
# MDL on the column statistics object, 'con2' will continue and do its work.
|
|
SET DEBUG_SYNC='now SIGNAL continue_store_histogram';
|
|
|
|
--connection con1
|
|
--reap
|
|
--disconnect con1
|
|
--source include/wait_until_disconnected.inc
|
|
|
|
--connection con2
|
|
--reap
|
|
--disconnect con2
|
|
--source include/wait_until_disconnected.inc
|
|
|
|
--connection default
|
|
DROP TABLE t1;
|
|
|
|
--echo #
|
|
--echo # Bug#27672693 HISTOGRAMS: ASSERTION FAILED: !THD->TX_READ_ONLY
|
|
--echo #
|
|
CREATE TABLE t1(col1 INT);
|
|
SET LOCAL TRANSACTION READ ONLY;
|
|
--error ER_CANT_EXECUTE_IN_READ_ONLY_TRANSACTION
|
|
INSERT INTO t1 (col1) VALUES (1);
|
|
ANALYZE TABLE t1 UPDATE HISTOGRAM ON col1 WITH 16 BUCKETS;
|
|
SET LOCAL TRANSACTION READ WRITE;
|
|
INSERT INTO t1 (col1) VALUES (1);
|
|
ANALYZE TABLE t1 UPDATE HISTOGRAM ON col1 WITH 16 BUCKETS;
|
|
DROP TABLE t1;
|
|
|