1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
# name: test/sql/parallelism/interquery/concurrent_reads_while_altering.test
# description: Test concurrent reads while altering
# group: [interquery]
statement ok
CREATE OR REPLACE TABLE integers(i INTEGER)
statement ok
INSERT INTO integers SELECT * FROM range(10000);
concurrentloop threadid 0 20
loop i 0 20
onlyif threadid=0
statement ok
BEGIN;
onlyif threadid=0
statement ok
ALTER TABLE integers ADD COLUMN newcol_${i} INTEGER
onlyif threadid=0
statement ok
INSERT INTO integers (i) SELECT * FROM range(10000 + ${i} * 100, 10100 + ${i} * 100);
onlyif threadid=0
statement ok
COMMIT
endloop
loop i 0 20
skipif threadid=0
statement ok
SELECT * FROM integers
endloop
endloop
query II
SELECT COUNT(*), SUM(i) FROM integers
----
12000 71994000
|
