In doris regression-test/suites, a lot of test cases quit immediately only if "FINISHED", otherwise they will wait till timeout. For example:
while (max_try_secs--) {
String res = getJobState(tbName1)
if (res == "FINISHED") {
sleep(3000)
break
} else {
Thread.sleep(1000)
if (max_try_secs < 1) {
println "test timeout," + "state:" + res
assertEquals("FINISHED", res)
}
}
}
This PR added checks so that these test cases can quit immediately also if "CANCELLED", which is the only unchanging status other than "FINISHED".
1. add RemainedDownPredicates
2. fix core dump when _scan_ranges is empty
3. fix invalid memory access on vLiteral's debug_string()
4. enlarge mv test wait time
When select large number of data from a table, the profile will show that:
- ScannerCtxSchedCount: 2.82664M(2826640)
But there is only 8 times of ScannerSchedCount, most of them are busy running.
After improvement, the ScannerCtxSchedCount will be reduced to only 10.
