mariadb/mysql-test/suite/perfschema/r/table_name.result
2020-03-14 09:51:36 +01:00

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Text

#
#
# TEST 1: Normal tables prefixed with "#sql" and "sql".
#
USE test;
CREATE TABLE `#sql_1` (a int, b text);
INSERT INTO `#sql_1` VALUES(1,'one');
#
CREATE TABLE `sql_1` (a int, b text);
INSERT INTO `sql_1` VALUES(1,'one');
#
# Verify that the tables are treated as normal tables .
#
SELECT object_type, object_schema, object_name
FROM performance_schema.objects_summary_global_by_type
WHERE object_schema="test"
ORDER BY object_name;
object_type object_schema object_name
TABLE test #sql_1
TABLE test sql_1
#
# Drop the tables, verify that the table objects are removed.
#
DROP TABLE `#sql_1`;
DROP TABLE `sql_1`;
#
SELECT object_type, object_schema, object_name
FROM performance_schema.objects_summary_global_by_type
WHERE object_schema="test"
ORDER BY object_name;
object_type object_schema object_name
#
#
# TEST 2: Temporary tables, no special prefix.
#
CREATE TEMPORARY TABLE sql_temp2_myisam (a int, b text) ENGINE=MYISAM;
INSERT INTO sql_temp2_myisam VALUES(1,'one');
#
CREATE TEMPORARY TABLE sql_temp2_innodb (a int, b text) ENGINE=INNODB;
INSERT INTO sql_temp2_innodb VALUES(1,'one');
#
# Confirm that the temporary tables are ignored.
#
SELECT object_type, object_schema, object_name
FROM performance_schema.objects_summary_global_by_type
WHERE object_schema="test"
ORDER BY object_name;
object_type object_schema object_name
#
# Drop the tables, verify that the table objects are not created.
#
DROP TABLE sql_temp2_myisam;
DROP TABLE sql_temp2_innodb;
#
SELECT object_type, object_schema, object_name
FROM performance_schema.objects_summary_global_by_type
WHERE object_schema="test"
ORDER BY object_name;
object_type object_schema object_name
#
#
# TEST 3: Temporary tables with the "#sql" prefix.
#
CREATE TEMPORARY TABLE `#sql_temp3_myisam` (a int, b text) ENGINE=MYISAM;
CHECK TABLE `#sql_temp3_myisam`;
Table Op Msg_type Msg_text
test.#sql_temp3_myisam check status OK
INSERT INTO `#sql_temp3_myisam` VALUES(1,'one');
#
CREATE TEMPORARY TABLE `#sql_temp3_innodb` (a int, b text) ENGINE=INNODB;
CHECK TABLE `#sql_temp3_innodb`;
Table Op Msg_type Msg_text
test.#sql_temp3_innodb check status OK
INSERT INTO `#sql_temp3_innodb` VALUES(1,'one');
#
# Confirm that the temporary tables are ignored.
#
SELECT object_type, object_schema, object_name
FROM performance_schema.objects_summary_global_by_type
WHERE object_schema="test"
ORDER BY object_name;
object_type object_schema object_name
#
# Drop the temporary tables.
#
DROP TABLE `#sql_temp3_myisam`;
DROP TABLE `#sql_temp3_innodb`;
#
# Confirm that the temporary tables are still ignored.
#
SELECT object_type, object_schema, object_name
FROM performance_schema.objects_summary_global_by_type
WHERE object_schema="test"
ORDER BY object_name;
object_type object_schema object_name
#
#
# TEST 4: Special case: MyISAM temporary tables are recreated as non-temporary
# when they are truncated.
#
CREATE TEMPORARY TABLE `sql_temp4_myisam` (a int, b text) ENGINE=MYISAM;
INSERT INTO `sql_temp4_myisam` VALUES(1,'one');
#
CREATE TEMPORARY TABLE `#sql_temp4_myisam` (a int, b text) ENGINE=MYISAM;
INSERT INTO `#sql_temp4_myisam` VALUES(1,'one');
#
# Confirm that the MyISAM temporary tables are ignored.
#
SELECT object_type, object_schema, object_name
FROM performance_schema.objects_summary_global_by_type
WHERE object_schema="test"
ORDER BY object_name;
object_type object_schema object_name
#
# Truncate the MyISAM temporary tables, forcing them to be recreated as non-temporary.
#
TRUNCATE TABLE `sql_temp4_myisam`;
TRUNCATE TABLE `#sql_temp4_myisam`;
#
# Confirm that the recreated MyISAM tables are still regarded as temporary and ignored.
#
SELECT object_type, object_schema, object_name
FROM performance_schema.objects_summary_global_by_type
WHERE object_schema="test"
ORDER BY object_name;
object_type object_schema object_name
#
# Drop the recreated MyISAM tables;
#
DROP TABLE `sql_temp4_myisam`;
DROP TABLE `#sql_temp4_myisam`;
#
# Confirm that the recreated temporary tables are still ignored.
#
SELECT object_type, object_schema, object_name
FROM performance_schema.objects_summary_global_by_type
WHERE object_schema="test"
ORDER BY object_name;
object_type object_schema object_name
#
#
# TEST 5: Generate temporary tables with ALTER MyISAM table.
#
USE test;
CREATE TABLE t1 (a int) ENGINE=MYISAM;
INSERT INTO t1 VALUES (1), (2), (3);
ALTER TABLE t1 ADD COLUMN (b int);
#
# Confirm that the recreated temporary tables are still ignored.
#
SELECT object_type, object_schema, object_name
FROM performance_schema.objects_summary_global_by_type
WHERE object_schema="test"
ORDER BY object_name;
object_type object_schema object_name
#
# Drop the MyISAM table
#
DROP TABLE t1;
#
# Confirm that no tables remain;
#
SELECT object_type, object_schema, object_name
FROM performance_schema.objects_summary_global_by_type
WHERE object_schema="test"
ORDER BY object_name;
object_type object_schema object_name