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#
# Tests of touching the rules table from different transactions.
#
Warnings:
Warning 1681 'RESET QUERY CACHE' is deprecated and will be removed in a future release.
Warnings:
Warning 1681 'RESET QUERY CACHE' is deprecated and will be removed in a future release.
# Query rewrite plugin was installed.
SET autocommit = 0;
SELECT @@autocommit;
@@autocommit
0
START TRANSACTION;
INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement )
VALUES ( 'SELECT "Rewrite me conn 1"', 'SELECT "Rewritten conn 1 rule 1"' );
COMMIT;
START TRANSACTION;
INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement )
VALUES ( 'SELECT "Rewrite me conn 2"', 'SELECT "Rewritten conn 2 rule 1"' );
COMMIT;
CALL query_rewrite.flush_rewrite_rules();
Warnings:
Warning 1681 'RESET QUERY CACHE' is deprecated and will be removed in a future release.
SELECT "Rewrite me conn 1";
Rewritten conn 1 rule 1
Rewritten conn 1 rule 1
Warnings:
Note 1105 Query 'SELECT "Rewrite me conn 1"' rewritten to 'SELECT "Rewritten conn 1 rule 1"' by a query rewrite plugin
SELECT "Rewrite me conn 2";
Rewritten conn 2 rule 1
Rewritten conn 2 rule 1
Warnings:
Note 1105 Query 'SELECT "Rewrite me conn 2"' rewritten to 'SELECT "Rewritten conn 2 rule 1"' by a query rewrite plugin
CALL query_rewrite.flush_rewrite_rules();
Warnings:
Warning 1681 'RESET QUERY CACHE' is deprecated and will be removed in a future release.
SELECT "Rewrite me conn 1";
Rewritten conn 1 rule 1
Rewritten conn 1 rule 1
Warnings:
Note 1105 Query 'SELECT "Rewrite me conn 1"' rewritten to 'SELECT "Rewritten conn 1 rule 1"' by a query rewrite plugin
SELECT "Rewrite me conn 2";
Rewritten conn 2 rule 1
Rewritten conn 2 rule 1
Warnings:
Note 1105 Query 'SELECT "Rewrite me conn 2"' rewritten to 'SELECT "Rewritten conn 2 rule 1"' by a query rewrite plugin
SELECT "Rewrite me conn 1";
Rewritten conn 1 rule 1
Rewritten conn 1 rule 1
Warnings:
Note 1105 Query 'SELECT "Rewrite me conn 1"' rewritten to 'SELECT "Rewritten conn 1 rule 1"' by a query rewrite plugin
SELECT "Rewrite me conn 2";
Rewritten conn 2 rule 1
Rewritten conn 2 rule 1
Warnings:
Note 1105 Query 'SELECT "Rewrite me conn 2"' rewritten to 'SELECT "Rewritten conn 2 rule 1"' by a query rewrite plugin
# This would cause failed assertion unless the mdl locks are released.
SELECT xxx(pattern) FROM query_rewrite.rewrite_rules;
ERROR 42000: FUNCTION test.xxx does not exist
Warnings:
Warning 1620 Plugin is busy and will be uninstalled on shutdown
# Query rewrite plugin was queued for uninstalling.
#
# Now make sure that everything works as long we do as we're supposed
# to, even with autocommit = 0.
#
SET autocommit = 0;
SELECT @@autocommit;
@@autocommit
0
Warnings:
Warning 1681 'RESET QUERY CACHE' is deprecated and will be removed in a future release.
Warnings:
Warning 1681 'RESET QUERY CACHE' is deprecated and will be removed in a future release.
# Query rewrite plugin was installed.
START TRANSACTION;
INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement )
VALUES ( 'SELECT "Rewrite me"', 'SELECT "Rewritten w/rule 1"' );
CALL query_rewrite.flush_rewrite_rules();
Warnings:
Warning 1681 'RESET QUERY CACHE' is deprecated and will be removed in a future release.
SELECT 'Rewrite me';
Rewritten w/rule 1
Rewritten w/rule 1
Warnings:
Note 1105 Query 'SELECT 'Rewrite me'' rewritten to 'SELECT "Rewritten w/rule 1"' by a query rewrite plugin
SHOW STATUS LIKE 'Rewriter_%';
Variable_name Value
Rewriter_number_loaded_rules 1
Rewriter_number_reloads 2
Rewriter_number_rewritten_queries 1
Rewriter_reload_error OFF
Warnings:
Warning 1620 Plugin is busy and will be uninstalled on shutdown
# Query rewrite plugin was queued for uninstalling.
#
# Now check that we don't fail even if @@autocommit is 0. In this case
# InnoDB times out waiting for a lock, the plugin can't load the rules,
# and we expect a message in the error log.
#
SET autocommit = 0;
SELECT @@autocommit;
@@autocommit
0
Warnings:
Warning 1681 'RESET QUERY CACHE' is deprecated and will be removed in a future release.
Warnings:
Warning 1681 'RESET QUERY CACHE' is deprecated and will be removed in a future release.
# Query rewrite plugin was installed.
CALL mtr.add_suppression("Got error from storage engine while refreshing rewrite rules.");
# This would cause failed assertion unless the mdl locks are released.
SELECT xxx(pattern) FROM query_rewrite.rewrite_rules;
ERROR 42000: FUNCTION test.xxx does not exist
START TRANSACTION;
INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement )
VALUES ( 'SELECT "Rewrite me"', 'SELECT "Rewritten w/rule 1"' );
SET @@global.innodb_lock_wait_timeout = 1;
SELECT load_rewrite_rules();
load_rewrite_rules()
Loading of some rule(s) failed.
SET @@global.innodb_lock_wait_timeout = DEFAULT;
SELECT 'Rewrite me';
Rewrite me
Rewrite me
SHOW STATUS LIKE 'Rewriter_%';
Variable_name Value
Rewriter_number_loaded_rules 0
Rewriter_number_reloads 2
Rewriter_number_rewritten_queries 0
Rewriter_reload_error ON
COMMIT;
SELECT 'Rewrite me';
Rewrite me
Rewrite me
SHOW STATUS LIKE 'Rewriter_%';
Variable_name Value
Rewriter_number_loaded_rules 0
Rewriter_number_reloads 2
Rewriter_number_rewritten_queries 0
Rewriter_reload_error ON
SELECT load_rewrite_rules();
load_rewrite_rules()
NULL
SELECT 'Rewrite me';
Rewritten w/rule 1
Rewritten w/rule 1
Warnings:
Note 1105 Query 'SELECT 'Rewrite me'' rewritten to 'SELECT "Rewritten w/rule 1"' by a query rewrite plugin
SHOW STATUS LIKE 'Rewriter_%';
Variable_name Value
Rewriter_number_loaded_rules 1
Rewriter_number_reloads 3
Rewriter_number_rewritten_queries 1
Rewriter_reload_error OFF
Warnings:
Warning 1620 Plugin is busy and will be uninstalled on shutdown
# Query rewrite plugin was queued for uninstalling.
#
# Now let's make sure that everything works fine if we run with
# autocommit.
#
SET autocommit = 1;
SELECT @@autocommit;
@@autocommit
1
Warnings:
Warning 1681 'RESET QUERY CACHE' is deprecated and will be removed in a future release.
Warnings:
Warning 1681 'RESET QUERY CACHE' is deprecated and will be removed in a future release.
# Query rewrite plugin was installed.
# This would cause failed assertion unless the mdl locks are released.
SELECT xxx(pattern) FROM query_rewrite.rewrite_rules;
ERROR 42000: FUNCTION test.xxx does not exist
START TRANSACTION;
INSERT INTO query_rewrite.rewrite_rules ( pattern, replacement )
VALUES ( 'SELECT "Rewrite me"', 'SELECT "Rewritten w/rule 1"' );
SET @@global.innodb_lock_wait_timeout = 1;
SELECT load_rewrite_rules();
load_rewrite_rules()
Loading of some rule(s) failed.
SET @@global.innodb_lock_wait_timeout = DEFAULT;
SELECT 'Rewrite me';
Rewrite me
Rewrite me
COMMIT;
SELECT 'Rewrite me';
Rewrite me
Rewrite me
SELECT load_rewrite_rules();
load_rewrite_rules()
NULL
SELECT 'Rewrite me';
Rewritten w/rule 1
Rewritten w/rule 1
Warnings:
Note 1105 Query 'SELECT 'Rewrite me'' rewritten to 'SELECT "Rewritten w/rule 1"' by a query rewrite plugin
SET autocommit = DEFAULT;
Warnings:
Warning 1620 Plugin is busy and will be uninstalled on shutdown
# Query rewrite plugin was queued for uninstalling.