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Allow drop-index-concurrently-1 test to run at any isolation level.

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It previously reported failure at REPEATABLE READ and SERIALIZABLE
transaction isolation levels for make installcheck.
This commit is contained in:
Kevin Grittner 2013-10-08 16:55:12 -05:00
parent 6648775028
commit 31a877f18b
3 changed files with 52 additions and 3 deletions
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6
src/test/isolation/expected/drop-index-concurrently-1.out
View File

@ -1,7 +1,11 @@
Parsed test spec with 3 sessions
starting permutation: noseq prepi preps begin explaini explains select2 drop insert2 end2 selecti selects end
starting permutation: noseq chkiso prepi preps begin explaini explains select2 drop insert2 end2 selecti selects end
step noseq: SET enable_seqscan = false;
step chkiso: SELECT (setting in ('read committed','read uncommitted')) AS is_read_committed FROM pg_settings WHERE name = 'default_transaction_isolation';
is_read_committed
t
step prepi: PREPARE getrow_idx AS SELECT * FROM test_dc WHERE data=34 ORDER BY id,data;
step preps: PREPARE getrow_seq AS SELECT * FROM test_dc WHERE data::text=34::text ORDER BY id,data;
step begin: BEGIN;

42
src/test/isolation/expected/drop-index-concurrently-1_2.out Normal file
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@ -0,0 +1,42 @@
Parsed test spec with 3 sessions
starting permutation: noseq chkiso prepi preps begin explaini explains select2 drop insert2 end2 selecti selects end
step noseq: SET enable_seqscan = false;
step chkiso: SELECT (setting in ('read committed','read uncommitted')) AS is_read_committed FROM pg_settings WHERE name = 'default_transaction_isolation';
is_read_committed
f
step prepi: PREPARE getrow_idx AS SELECT * FROM test_dc WHERE data=34 ORDER BY id,data;
step preps: PREPARE getrow_seq AS SELECT * FROM test_dc WHERE data::text=34::text ORDER BY id,data;
step begin: BEGIN;
step explaini: EXPLAIN (COSTS OFF) EXECUTE getrow_idx;
QUERY PLAN
Sort
Sort Key: id
-> Index Scan using test_dc_data on test_dc
Index Cond: (data = 34)
step explains: EXPLAIN (COSTS OFF) EXECUTE getrow_seq;
QUERY PLAN
Sort
Sort Key: id, data
-> Seq Scan on test_dc
Filter: ((data)::text = '34'::text)
step select2: SELECT * FROM test_dc WHERE data=34 ORDER BY id,data;
id data
34 34
step drop: DROP INDEX CONCURRENTLY test_dc_data; <waiting ...>
step insert2: INSERT INTO test_dc(data) SELECT * FROM generate_series(1, 100);
step end2: COMMIT;
step selecti: EXECUTE getrow_idx;
id data
34 34
step selects: EXECUTE getrow_seq;
id data
34 34
step end: COMMIT;
step drop: <... completed>

7
src/test/isolation/specs/drop-index-concurrently-1.spec
View File

@ -1,7 +1,9 @@
# DROP INDEX CONCURRENTLY
#
# This test shows that the concurrent write behaviour works correctly
# with the expected output being 2 rows.
# with the expected output being 2 rows at the READ COMMITTED and READ
# UNCOMMITTED transaction isolation levels, and 1 row at the other
# transaction isolation levels.
#
setup
{
@ -17,6 +19,7 @@ teardown
session "s1"
step "noseq" { SET enable_seqscan = false; }
step "chkiso" { SELECT (setting in ('read committed','read uncommitted')) AS is_read_committed FROM pg_settings WHERE name = 'default_transaction_isolation'; }
step "prepi" { PREPARE getrow_idx AS SELECT * FROM test_dc WHERE data=34 ORDER BY id,data; }
step "preps" { PREPARE getrow_seq AS SELECT * FROM test_dc WHERE data::text=34::text ORDER BY id,data; }
step "begin" { BEGIN; }
@ -35,4 +38,4 @@ step "end2" { COMMIT; }
session "s3"
step "drop" { DROP INDEX CONCURRENTLY test_dc_data; }
permutation "noseq" "prepi" "preps" "begin" "explaini" "explains" "select2" "drop" "insert2" "end2" "selecti" "selects" "end"
permutation "noseq" "chkiso" "prepi" "preps" "begin" "explaini" "explains" "select2" "drop" "insert2" "end2" "selecti" "selects" "end"