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Overview
| Comment: | Test BEGIN CONCURRENT transactions that consist entirely of read-only statements. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | begin-concurrent |
| Files: | files | file ages | folders |
| SHA3-256: |
c3fe1f4b7e8dcadcb516622719d000b8 |
| User & Date: | dan 2017-08-24 10:10:28 |
Context
|
2017-08-28
| ||
| 17:19 | Merge recent enhancements from trunk. (check-in: d53108e7 user: drh tags: begin-concurrent) | |
|
2017-08-24
| ||
| 10:10 | Test BEGIN CONCURRENT transactions that consist entirely of read-only statements. (check-in: c3fe1f4b user: dan tags: begin-concurrent) | |
|
2017-08-12
| ||
| 14:06 | Add a more rigorous test case for the bug fixed by the previous commit on this branch. (check-in: 42560723 user: dan tags: begin-concurrent) | |
Changes
Changes to test/concurrent4.test.
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} {wal}
do_execsql_test 3.2 {
BEGIN CONCURRENT;
REPLACE INTO t1 VALUES(25, randomblob(1117));
COMMIT;
} {}
finish_test
|
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} {wal}
do_execsql_test 3.2 {
BEGIN CONCURRENT;
REPLACE INTO t1 VALUES(25, randomblob(1117));
COMMIT;
} {}
#-------------------------------------------------------------------------
# Test the effect of BEGIN CONCURRENT transactions that consist entirely
# of read-only statements.
#
reset_db
do_execsql_test 4.0 {
PRAGMA page_size = 1024;
PRAGMA journal_mode = wal;
CREATE TABLE t4(a, b);
INSERT INTO t4 VALUES(1, 2);
INSERT INTO t4 VALUES(3, 4);
} {wal}
sqlite3 db2 test.db
do_test 4.1.1 {
db eval {
BEGIN CONCURRENT;
INSERT INTO t4 VALUES(5, 6);
}
db2 eval {
BEGIN CONCURRENT;
SELECT * FROM t4;
ROLLBACK;
}
} {1 2 3 4}
do_test 4.1.2 {
db eval { COMMIT }
db2 eval { SELECT * FROM t4 }
} {1 2 3 4 5 6}
do_test 4.2.1 {
db eval {
BEGIN CONCURRENT;
INSERT INTO t4 VALUES(7, 8);
}
db2 eval {
BEGIN CONCURRENT;
SELECT * FROM t4;
COMMIT;
}
} {1 2 3 4 5 6}
do_test 4.2.2 {
db eval { COMMIT }
db2 eval { SELECT * FROM t4 }
} {1 2 3 4 5 6 7 8}
do_test 4.3 {
db2 eval {
BEGIN CONCURRENT;
SELECT * FROM t4;
}
db eval {
BEGIN CONCURRENT;
INSERT INTO t4 VALUES(9, 10);
COMMIT;
}
db2 eval {
SELECT * FROM t4;
COMMIT;
}
} {1 2 3 4 5 6 7 8}
set sz [file size test.db-wal]
do_test 4.4.1 {
db eval {
BEGIN CONCURRENT;
SELECT * FROM t4;
SELECT * FROM sqlite_master;
}
db eval COMMIT
file size test.db-wal
} $sz
do_test 4.4.2 {
db eval {
BEGIN CONCURRENT;
SELECT * FROM t4;
SELECT * FROM sqlite_master;
ROLLBACK;
}
file size test.db-wal
} $sz
finish_test
|