#select max(usage_user) from cpu where(hostname='host_a' and hostname='host_b'and hostname='host_c'and hostname='host_d'and hostname='host_e'and hostname='host_f' and hostname='host_g'and hostname='host_h') ;
#select max(usage_user) from cpu where(hostname='host_a' and hostname='host_b'and hostname='host_c'and hostname='host_d'and hostname='host_e'and hostname='host_f' and hostname='host_g'and hostname='host_h') interval(1h);
#select max(usage_user) from cpu where(hostname='host_a' and hostname='host_b'and hostname='host_c'and hostname='host_d'and hostname='host_e'and hostname='host_f' and hostname='host_g'and hostname='host_h') and time >x and time <y interval(10m);
# a,b,c,d,e,f,g,h are random 8 numbers, y-x =12 hour
#select max(usage_user) from cpu where(hostname='host_a' and hostname='host_b'and hostname='host_c'and hostname='host_d'and hostname='host_e'and hostname='host_f' and hostname='host_g'and hostname='host_h') and time >x and time <y interval(10m);
# a,b,c,d,e,f,g,h are random 8 numbers, y-x =1 hours
#select max(usage_user) from cpu where(hostname='host_a' and hostname='host_b'and hostname='host_c'and hostname='host_d'and hostname='host_e'and hostname='host_f' and hostname='host_g'and hostname='host_h') ;
#select max(usage_user) from cpu where(hostname='host_a' and hostname='host_b'and hostname='host_c'and hostname='host_d'and hostname='host_e'and hostname='host_f' and hostname='host_g'and hostname='host_h') interval(1h);
#select max(usage_user) from cpu where(hostname='host_a' and hostname='host_b'and hostname='host_c'and hostname='host_d'and hostname='host_e'and hostname='host_f' and hostname='host_g'and hostname='host_h') and time >x and time <y interval(10m);
# a,b,c,d,e,f,g,h are random 8 numbers, y-x =12 hour
#select max(usage_user) from cpu where(hostname='host_a' and hostname='host_b'and hostname='host_c'and hostname='host_d'and hostname='host_e'and hostname='host_f' and hostname='host_g'and hostname='host_h') and time >x and time <y interval(10m);
# a,b,c,d,e,f,g,h are random 8 numbers, y-x =1 hours
tdSql.query("select stb_t.ts, stb_t.dscrption, stb_t.temperature, stb_t.id, stb_p.dscrption, stb_p.pressure from stb_p, stb_t where stb_p.ts=stb_t.ts and stb_p.id = stb_t.id")
tdSql.checkRows(6)
tdSql.query("select stb_t.ts, stb_t.dscrption, stb_t.temperature, stb_t.pid, stb_p.id, stb_p.dscrption, stb_p.pressure,stb_v.velocity from stb_p, stb_t, stb_v where stb_p.ts=stb_t.ts and stb_p.ts=stb_v.ts and stb_p.id = stb_t.id")
tdSql.checkRows(2)
tdSql.error("select stb_t.ts, stb_t.dscrption, stb_t.temperature, stb_t.pid, stb_p.id, stb_p.dscrption, stb_p.pressure,stb_v.velocity from stb_p, stb_t, stb_v where stb_p.ts=stb_t.ts and stb_p.ts=stb_v.ts and stb_p.id = stb_t.id")