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CREATE TABLE t1(a VARCHAR(5),FULLTEXT KEY(a)) ENGINE=InnoDB;
SET DEBUG_SYNC = 'get_next_FTS_DOC_ID SIGNAL prepared WAIT_FOR race';
REPLACE INTO t1(a) values('aaa');
SET DEBUG_SYNC = 'now WAIT_FOR prepared';
REPLACE INTO t1(a) VALUES('aaa');
SET DEBUG_SYNC = 'now SIGNAL race';
SET DEBUG_SYNC = 'RESET';
DROP TABLE t1;
#
# MDEV-19529 InnoDB hang on DROP FULLTEXT INDEX
#
CREATE TABLE t1(f1 CHAR(100), FULLTEXT(f1))ENGINE=InnoDB;
INSERT INTO t1 VALUES('test');
CREATE TABLE t2 (f1 char(100), FULLTEXT idx1(f1))ENGINE=InnoDB;
INSERT INTO t2 VALUES('mariadb');
SET GLOBAL debug_dbug ='+d,fts_instrument_sync_request,ib_optimize_wq_hang';
SET DEBUG_SYNC= 'fts_instrument_sync_request
SIGNAL drop_index_start WAIT_FOR sync_op';
INSERT INTO t1 VALUES('Keyword');
SET DEBUG_SYNC='now WAIT_FOR drop_index_start';
SET DEBUG_SYNC= 'norebuild_fts_drop SIGNAL sync_op WAIT_FOR fts_drop_index';
ALTER TABLE t2 drop index idx1;
set DEBUG_SYNC= 'now SIGNAL fts_drop_index';
SET global DEBUG_DBUG=RESET;
drop table t1, t2;
set DEBUG_SYNC=RESET;
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