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SHOW CREATE TABLE DATA_DICTIONARY.haildb_STATUS;
SELECT COUNT(NAME) FROM DATA_DICTIONARY.haildb_STATUS;
SELECT NAME FROM DATA_DICTIONARY.haildb_STATUS;
SELECT * FROM DATA_DICTIONARY.haildb_STATUS WHERE NAME="page_size";
--replace_column 1 #
SELECT (@fsync_count:= VALUE) AS fsyncs FROM DATA_DICTIONARY.haildb_STATUS WHERE NAME="fsync_req_done";
create table t1 (a int primary key);
SELECT (@fsync_count < @fsync_count:= VALUE) AS fsyncs FROM DATA_DICTIONARY.haildb_STATUS WHERE NAME="fsync_req_done";
insert into t1 values (1);
SELECT (@fsync_count < @fsync_count:= VALUE) AS fsyncs FROM DATA_DICTIONARY.haildb_STATUS WHERE NAME="fsync_req_done";
insert into t1 values (5),(2),(3),(4);
SELECT (@fsync_count < @fsync_count:= VALUE) AS fsyncs FROM DATA_DICTIONARY.haildb_STATUS WHERE NAME="fsync_req_done";
delete from t1;
SELECT (@fsync_count < @fsync_count:= VALUE) AS fsyncs FROM DATA_DICTIONARY.haildb_STATUS WHERE NAME="fsync_req_done";
begin;
insert into t1 values (1);
insert into t1 values (2);
insert into t1 values (3);
insert into t1 values (4);
commit;
SELECT (@fsync_count < @fsync_count:= VALUE) AS fsyncs FROM DATA_DICTIONARY.haildb_STATUS WHERE NAME="fsync_req_done";
DROP TABLE t1;
SELECT (@fsync_count < (@fsync_count:= VALUE)) AS fsyncs FROM DATA_DICTIONARY.haildb_STATUS WHERE NAME="fsync_req_done";
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