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-- source include/not_embedded.inc
-- source include/have_innodb.inc
-- source ../include/ps_truncate_all_tables.inc
# Tests for sys schema
# Verify the sys.schema_table_lock_waits view
# Ensure structure changes don't slip in
DESC sys.schema_table_lock_waits;
# Make sure view select does not error, but ignore results
--disable_result_log
SELECT * FROM sys.schema_table_lock_waits;
--enable_result_log
# Ensure structure changes don't slip in
DESC sys.x$schema_table_lock_waits;
# Make sure view select does not error, but ignore results
--disable_result_log
SELECT * FROM sys.x$schema_table_lock_waits;
--enable_result_log
# Ensure lock waits show up correctly
--connect(con1,localhost,root,,)
--connect(con2,localhost,root,,)
connection con1;
CREATE TABLE test.lock_waits (i INT PRIMARY KEY, j INT) ENGINE = InnoDB;
LOCK TABLE lock_waits WRITE;
connection con2;
send ALTER TABLE test.lock_waits ADD k VARCHAR(20);
connection default;
while (`SELECT COUNT(*)=0 FROM sys.schema_table_lock_waits`)
{
--sleep 0.5
}
SELECT object_schema, object_name,
waiting_account, waiting_lock_type, waiting_query,
blocking_account, blocking_lock_type, blocking_lock_duration
FROM sys.schema_table_lock_waits;
disconnect con1;
connection default;
while (`SELECT COUNT(*)<> 0 FROM sys.schema_table_lock_waits`)
{
--sleep 0.5
}
disconnect con2;
connection default;
DROP TABLE test.lock_waits;
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