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CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1), (2), (3);
connect con1,localhost,root;
SET DEBUG_SYNC="handler_ha_index_next_end SIGNAL idx_scan_in_progress WAIT_FOR finish_scan";
SELECT * FROM t1;
connection default;
SET DEBUG_SYNC="now WAIT_FOR idx_scan_in_progress";
set @tmp=@@use_stat_tables;
set use_stat_tables='preferably_for_queries';
ANALYZE TABLE t1;
Table Op Msg_type Msg_text
test.t1 analyze status OK
set use_stat_tables=@tmp;
SELECT * FROM t1;
a
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SET DEBUG_SYNC="now SIGNAL finish_scan";
connection con1;
a
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disconnect con1;
connection default;
SET DEBUG_SYNC='reset';
DROP TABLE t1;
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