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author | Jan Mercl <0xjnml@gmail.com> | 2020-07-26 22:36:18 +0200 |
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committer | Jan Mercl <0xjnml@gmail.com> | 2020-07-26 22:36:18 +0200 |
commit | b406626c64313ae348996c243a0a05d3f6ed2c3c (patch) | |
tree | 0eaae4fa6348b150568725e6f2ec0b4c4203b5f8 /testdata/tcl/savepoint7.test | |
parent | d8d9f40ce80062793349c0ea47520b6878312f4a (diff) |
release v1.4.0-beta1v1.4.0-beta1
Diffstat (limited to 'testdata/tcl/savepoint7.test')
-rw-r--r-- | testdata/tcl/savepoint7.test | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/testdata/tcl/savepoint7.test b/testdata/tcl/savepoint7.test new file mode 100644 index 0000000..59c3cd6 --- /dev/null +++ b/testdata/tcl/savepoint7.test @@ -0,0 +1,132 @@ +# 2012 March 31 +# +# The author disclaims copyright to this source code. In place of +# a legal notice, here is a blessing: +# +# May you do good and not evil. +# May you find forgiveness for yourself and forgive others. +# May you share freely, never taking more than you give. +# +#*********************************************************************** +# +# Focus on the interaction between RELEASE and ROLLBACK TO with +# pending query aborts. See ticket [27ca74af3c083f787a1c44b11fbb7c53bdbbcf1e]. +# + +set testdir [file dirname $argv0] +source $testdir/tester.tcl + +# The RELEASE of an inner savepoint should not effect pending queries. +# +do_test savepoint7-1.1 { + db eval { + CREATE TABLE t1(a,b,c); + CREATE TABLE t2(x,y,z); + INSERT INTO t1 VALUES(1,2,3); + INSERT INTO t1 VALUES(4,5,6); + INSERT INTO t1 VALUES(7,8,9); + SAVEPOINT x1; + } + db eval {SELECT * FROM t1} { + db eval { + SAVEPOINT x2; + CREATE TABLE IF NOT EXISTS t3(xyz); + INSERT INTO t2 VALUES($a,$b,$c); + RELEASE x2; + } + } + db eval {SELECT * FROM t2; RELEASE x1} +} {1 2 3 4 5 6 7 8 9} + +do_test savepoint7-1.2 { + db eval {DELETE FROM t2;} + db eval {SELECT * FROM t1} { + db eval { + SAVEPOINT x2; + INSERT INTO t2 VALUES($a,$b,$c); + RELEASE x2; + } + } + db eval {SELECT * FROM t2;} +} {1 2 3 4 5 6 7 8 9} + +do_test savepoint7-1.3 { + db eval {DELETE FROM t2; BEGIN;} + db eval {SELECT * FROM t1} { + db eval { + SAVEPOINT x2; + INSERT INTO t2 VALUES($a,$b,$c); + RELEASE x2; + } + } + db eval {SELECT * FROM t2; ROLLBACK;} +} {1 2 3 4 5 6 7 8 9} + +# However, a ROLLBACK of an inner savepoint will abort all queries, including +# queries in outer contexts. +# +do_test savepoint7-2.1 { + db eval {DELETE FROM t2; SAVEPOINT x1; CREATE TABLE t4(abc);} + set rc [catch { + db eval {SELECT * FROM t1} { + db eval { + SAVEPOINT x2; + INSERT INTO t2 VALUES($a,$b,$c); + ROLLBACK TO x2; + } + } + } msg] + db eval {RELEASE x1} + list $rc $msg [db eval {SELECT * FROM t2}] +} {1 {abort due to ROLLBACK} {}} + +do_test savepoint7-2.2 { + db eval {DELETE FROM t2;} + set rc [catch { + db eval {SELECT * FROM t1} { + db eval { + SAVEPOINT x2; + CREATE TABLE t5(pqr); + INSERT INTO t2 VALUES($a,$b,$c); + ROLLBACK TO x2; + } + } + } msg] + list $rc $msg [db eval {SELECT * FROM t2}] +} {1 {abort due to ROLLBACK} {}} + +# Ticket: https://www.sqlite.org/src/tktview/7f7f8026eda387d544b +# Segfault in the in-memory journal logic triggered by a tricky +# combination of SAVEPOINT operations. +# +unset -nocomplain i +for {set i 248} {$i<=253} {incr i} { + do_test savepoint7-3.$i { + db close + forcedelete test.db + sqlite3 db test.db + db eval { + PRAGMA page_size=1024; + PRAGMA temp_store=MEMORY; + BEGIN; + CREATE TABLE t1(x INTEGER PRIMARY KEY, y TEXT); + WITH RECURSIVE c(x) AS (VALUES(1) UNION SELECT x+1 FROM c WHERE x<$::i) + INSERT INTO t1(x,y) SELECT x*10, printf('%04d%.800c',x,'*') FROM c; + SAVEPOINT one; + SELECT count(*) FROM t1; + WITH RECURSIVE c(x) AS (VALUES(1) UNION SELECT x+1 FROM c WHERE x<$::i) + INSERT INTO t1(x,y) SELECT x*10+1, printf('%04d%.800c',x,'*') FROM c; + ROLLBACK TO one; + SELECT count(*) FROM t1; + SAVEPOINT twoB; + WITH RECURSIVE c(x) AS (VALUES(1) UNION SELECT x+1 FROM c WHERE x<10) + INSERT INTO t1(x,y) SELECT x*10+2, printf('%04d%.800c',x,'*') FROM c; + ROLLBACK TO twoB; + RELEASE one; + COMMIT; + } + } [list $i $i] +} + + +finish_test |