#
# parameters:
# $fk_child - child table name
# $fk_parent - parent table name
#
--connection node_1
SET GLOBAL wsrep_slave_threads=2 ;
--eval CREATE TABLE `$fk_parent ` ( id INT AUTO_INCREMENT PRIMARY KEY, j INT) ENGINE=InnoDB
--eval CREATE TABLE `$fk_child ` (id INT AUTO_INCREMENT PRIMARY KEY, parent_id INT, j INT, FOREIGN KEY (parent_id) REFERENCES `$fk_parent `(id)) ENGINE=InnoDB
--eval INSERT INTO `$fk_parent ` VALUES (23 ,0 )
--connection node_2
--let $wait_condition = SELECT COUNT(*) = 1 FROM `$fk_parent `;
--source include/wait_condition.inc
--connection node_1a
SET GLOBAL DEBUG_DBUG='+d,wsrep_ha_write_row' ;
--connection node_2
--eval INSERT INTO `$fk_child ` VALUES (21 ,23 ,0 ),(22 ,23 ,0 ),(23 ,23 ,0 )
--connection node_1a
SET DEBUG_SYNC='now WAIT_FOR wsrep_ha_write_row_reached' ;
--let $wsrep_received_before = `SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME = 'wsrep_received' `
--connection node_2
--eval UPDATE `$fk_parent ` SET j=2 WHERE id=23
--connection node_1a
--let $wait_condition = SELECT VARIABLE_VALUE = $wsrep_received_before + 1 FROM INFORMATION_SCHEMA.SESSION_STATUS WHERE VARIABLE_NAME = 'wsrep_received'
--source include/wait_condition.inc
SET GLOBAL DEBUG_DBUG='-d,wsrep_ha_write_row' ;
SET DEBUG_SYNC='now SIGNAL wsrep_ha_write_row_continue' ;
SET GLOBAL DEBUG_DBUG="RESET" ;
SET DEBUG_SYNC = 'RESET' ;
SET GLOBAL wsrep_slave_threads=DEFAULT;
--connection node_2
--eval drop table `$fk_child `
--eval drop table `$fk_parent `
Messung V0.5 in Prozent C=90 H=95 G=92
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-11)
¤
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