/* ** 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;