sqlite/mptest/multiwrite01.test

/*
** This script sets up five different tasks all writing and updating
** the database at the same time, but each in its own table.
*/
--task 1
  DROP TABLE IF EXISTS t1;
  CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
  --sleep 1
  INSERT INTO t1 VALUES(1, randomblob(2000));
  INSERT INTO t1 VALUES(2, randomblob(1000));
  --sleep 1
  INSERT INTO t1 SELECT a+2, randomblob(1500) FROM t1;
  INSERT INTO t1 SELECT a+4, randomblob(1500) FROM t1;
  INSERT INTO t1 SELECT a+8, randomblob(1500) FROM t1;
  --sleep 1
  INSERT INTO t1 SELECT a+16, randomblob(1500) FROM t1;
  --sleep 1
  INSERT INTO t1 SELECT a+32, randomblob(1500) FROM t1;
  SELECT count(*) FROM t1;
  --match 64
  SELECT avg(length(b)) FROM t1;
  --match 1500.0
  --sleep 2
  UPDATE t1 SET b='x'||a||'y';
  SELECT total(length(b)) FROM t1;
  --match 247
--end


--task 2
  DROP TABLE IF EXISTS t2;
  CREATE TABLE t2(a INTEGER PRIMARY KEY, b);
  --sleep 1
  INSERT INTO t2 VALUES(1, randomblob(2000));
  INSERT INTO t2 VALUES(2, randomblob(1000));
  --sleep 1
  INSERT INTO t2 SELECT a+2, randomblob(1500) FROM t2;
  INSERT INTO t2 SELECT a+4, randomblob(1500) FROM t2;
  INSERT INTO t2 SELECT a+8, randomblob(1500) FROM t2;
  --sleep 1
  INSERT INTO t2 SELECT a+16, randomblob(1500) FROM t2;
  --sleep 1
  INSERT INTO t2 SELECT a+32, randomblob(1500) FROM t2;
  SELECT count(*) FROM t2;
  --match 64
  SELECT avg(length(b)) FROM t2;
  --match 1500.0
  --sleep 2
  UPDATE t2 SET b='x'||a||'y';
  SELECT total(length(b)) FROM t2;
  --match 247
--end

--task 3
  DROP TABLE IF EXISTS t3;
  CREATE TABLE t3(a INTEGER PRIMARY KEY, b);
  --sleep 1
  INSERT INTO t3 VALUES(1, randomblob(2000));
  INSERT INTO t3 VALUES(2, randomblob(1000));
  --sleep 1
  INSERT INTO t3 SELECT a+2, randomblob(1500) FROM t3;
  INSERT INTO t3 SELECT a+4, randomblob(1500) FROM t3;
  INSERT INTO t3 SELECT a+8, randomblob(1500) FROM t3;
  --sleep 1
  INSERT INTO t3 SELECT a+16, randomblob(1500) FROM t3;
  --sleep 1
  INSERT INTO t3 SELECT a+32, randomblob(1500) FROM t3;
  SELECT count(*) FROM t3;
  --match 64
  SELECT avg(length(b)) FROM t3;
  --match 1500.0
  --sleep 2
  UPDATE t3 SET b='x'||a||'y';
  SELECT total(length(b)) FROM t3;
  --match 247
--end

--task 4
  DROP TABLE IF EXISTS t4;
  CREATE TABLE t4(a INTEGER PRIMARY KEY, b);
  --sleep 1
  INSERT INTO t4 VALUES(1, randomblob(2000));
  INSERT INTO t4 VALUES(2, randomblob(1000));
  --sleep 1
  INSERT INTO t4 SELECT a+2, randomblob(1500) FROM t4;
  INSERT INTO t4 SELECT a+4, randomblob(1500) FROM t4;
  INSERT INTO t4 SELECT a+8, randomblob(1500) FROM t4;
  --sleep 1
  INSERT INTO t4 SELECT a+16, randomblob(1500) FROM t4;
  --sleep 1
  INSERT INTO t4 SELECT a+32, randomblob(1500) FROM t4;
  SELECT count(*) FROM t4;
  --match 64
  SELECT avg(length(b)) FROM t4;
  --match 1500.0
  --sleep 2
  UPDATE t4 SET b='x'||a||'y';
  SELECT total(length(b)) FROM t4;
  --match 247
--end

--task 5
  DROP TABLE IF EXISTS t5;
  CREATE TABLE t5(a INTEGER PRIMARY KEY, b);
  --sleep 1
  INSERT INTO t5 VALUES(1, randomblob(2000));
  INSERT INTO t5 VALUES(2, randomblob(1000));
  --sleep 1
  INSERT INTO t5 SELECT a+2, randomblob(1500) FROM t5;
  INSERT INTO t5 SELECT a+4, randomblob(1500) FROM t5;
  INSERT INTO t5 SELECT a+8, randomblob(1500) FROM t5;
  --sleep 1
  INSERT INTO t5 SELECT a+16, randomblob(1500) FROM t5;
  --sleep 1
  INSERT INTO t5 SELECT a+32, randomblob(1500) FROM t5;
  SELECT count(*) FROM t5;
  --match 64
  SELECT avg(length(b)) FROM t5;
  --match 1500.0
  --sleep 2
  UPDATE t5 SET b='x'||a||'y';
  SELECT total(length(b)) FROM t5;
  --match 247
--end

--wait all
SELECT count(*), total(length(b)) FROM t1;
--match 64 247
SELECT count(*), total(length(b)) FROM t2;
--match 64 247
SELECT count(*), total(length(b)) FROM t3;
--match 64 247
SELECT count(*), total(length(b)) FROM t4;
--match 64 247
SELECT count(*), total(length(b)) FROM t5;
--match 64 247
DROP TABLE t1;
DROP TABLE t2;
DROP TABLE t3;
DROP TABLE t4;
DROP TABLE t5;