connect con1,localhost,root; create table t1 (a int, b int); create table t2 (c int, d int); create view v1 as select c+1 as e, d+1 as f from t2; SET DEBUG_SYNC= 'table_field_cached SIGNAL in_sync WAIT_FOR go'; prepare stmt1 from "select a from t1"; execute stmt1; connection default; SET DEBUG_SYNC= 'now WAIT_FOR in_sync'; SET DEBUG_SYNC= 'now SIGNAL go'; connection con1; a SET DEBUG_SYNC= 'table_field_cached SIGNAL in_sync WAIT_FOR go'; prepare stmt1 from "select e from v1"; execute stmt1; connection default; SET DEBUG_SYNC= 'now WAIT_FOR in_sync'; SET DEBUG_SYNC= 'now SIGNAL go'; connection con1; e connection default; disconnect con1; SET DEBUG_SYNC = 'RESET'; drop view v1; drop table t1,t2;