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sqlite/ext/session/sessionat.test
dan 61c758b53a Fix a problem causing the sessions module to occasionally lose track of rows
with composite primary keys when there are two rows with the same text value
in the leftmost column of the PK.

FossilOrigin-Name: 09aed13678374bf22087cd808808b711dc703b7c18bc8aaf704850611e17f5cd
2018-01-17 17:38:18 +00:00

250 lines
7.2 KiB
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# 2017 February 04
#
# 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.
#
#***********************************************************************
#
# Tests for the sessions module. Specifically, that a changeset can
# be applied after ALTER TABLE ADD COLUMN has been used to add
# columns to tables.
#
if {![info exists testdir]} {
set testdir [file join [file dirname [info script]] .. .. test]
}
source [file join [file dirname [info script]] session_common.tcl]
source $testdir/tester.tcl
ifcapable !session {finish_test; return}
set testprefix sessionat
db close
sqlite3_shutdown
test_sqlite3_log log
proc log {code msg} { lappend ::log $code $msg }
proc reset_test {} {
catch { db close }
catch { db2 close }
forcedelete test.db test.db2
sqlite3 db test.db
sqlite3 db2 test.db2
}
# Run all tests in this file twice. Once with "WITHOUT ROWID", and once
# with regular rowid tables.
#
# ?.1.*: Test that PK inconsistencies are detected if one or more of the PK
# columns are not present in the changeset.
#
# ?.2.*: Test that it is not possible to apply a changeset with N columns
# to a db with fewer than N columns.
#
# ?.3.*: Test some INSERT, UPDATE and DELETE operations that do not
# require conflict handling.
#
# ?.4.*: Test some INSERT, UPDATE and DELETE operations that do require
# conflict handling.
#
# ?.5.*: Test that attempting to concat two changesets with different
# numbers of columns for the same table is an error.
#
foreach {tn trailing} {
sessionat-ipk ""
sessionat-wor " WITHOUT ROWID "
} {
eval [string map [list %WR% $trailing] {
reset_test
#-----------------------------------------------------------------------
do_execsql_test $tn.1.0 {
CREATE TABLE t1(a, b, PRIMARY KEY(a)) %WR%;
}
do_execsql_test -db db2 $tn.1.1 {
CREATE TABLE t1(a, b, c, PRIMARY KEY(a, c)) %WR%;
}
do_test $tn.1.2 {
set ::log {}
do_then_apply_sql { INSERT INTO t1 VALUES('one', 'two') }
set ::log
} [list \
SQLITE_SCHEMA {sqlite3changeset_apply(): primary key mismatch for table t1}
]
do_execsql_test $tn.1.3 { SELECT * FROM t1 } {one two}
do_execsql_test -db db2 $tn.1.4 { SELECT * FROM t1 } {}
#-----------------------------------------------------------------------
do_execsql_test $tn.2.0 {
CREATE TABLE t2(x, y, z, PRIMARY KEY(x)) %WR%;
}
do_execsql_test -db db2 $tn.2.1 {
CREATE TABLE t2(x, y, PRIMARY KEY(x)) %WR%;
}
do_test $tn.2.2 {
db cache flush
set ::log {}
do_then_apply_sql { INSERT INTO t2 VALUES(1, 2, 3) }
set ::log
} [list SQLITE_SCHEMA \
{sqlite3changeset_apply(): table t2 has 2 columns, expected 3 or more}
]
do_execsql_test $tn.2.3 { SELECT * FROM t2 } {1 2 3}
do_execsql_test -db db2 $tn.2.4 { SELECT * FROM t2 } {}
#-----------------------------------------------------------------------
do_execsql_test $tn.3.0 {
CREATE TABLE t3(a, b, PRIMARY KEY(b)) %WR%;
}
do_execsql_test -db db2 $tn.3.1 {
CREATE TABLE t3(a, b, c DEFAULT 'D', PRIMARY KEY(b)) %WR%;
}
do_test $tn.3.2 {
do_then_apply_sql {
INSERT INTO t3 VALUES(1, 2);
INSERT INTO t3 VALUES(3, 4);
INSERT INTO t3 VALUES(5, 6);
};
db2 eval {SELECT * FROM t3}
} {1 2 D 3 4 D 5 6 D}
do_test $tn.3.3 {
do_then_apply_sql {
UPDATE t3 SET a=45 WHERE b=4;
DELETE FROM t3 WHERE a=5;
};
db2 eval {SELECT * FROM t3}
} {1 2 D 45 4 D}
#-----------------------------------------------------------------------
# 4.1: INSERT statements
# 4.2: DELETE statements
# 4.3: UPDATE statements
#
do_execsql_test $tn.4.1.0 {
CREATE TABLE t4(x INTEGER PRIMARY KEY, y) %WR%;
}
do_execsql_test -db db2 $tn.4.1.1 {
CREATE TABLE t4(x INTEGER PRIMARY KEY, y, z) %WR%;
INSERT INTO t4 VALUES(1, 2, 3);
INSERT INTO t4 VALUES(4, 5, 6);
}
do_conflict_test $tn.4.1.2 -tables t4 -sql {
INSERT INTO t4 VALUES(10, 20);
INSERT INTO t4 VALUES(4, 11);
} -conflicts {
{INSERT t4 CONFLICT {i 4 i 11} {i 4 i 5}}
}
do_execsql_test -db db2 $tn.4.1.3 {
SELECT * FROM t4 ORDER BY x
} {1 2 3 4 5 6 10 20 {}}
do_conflict_test $tn.4.1.4 -policy REPLACE -tables t4 -sql {
INSERT INTO t4 VALUES(1, 11);
} -conflicts {
{INSERT t4 CONFLICT {i 1 i 11} {i 1 i 2}}
}
do_execsql_test -db db2 $tn.4.1.5 {
SELECT * FROM t4 ORDER BY x
} {1 11 {} 4 5 6 10 20 {}}
do_execsql_test $tn.4.2.0 {
DELETE FROM t4;
INSERT INTO t4 VALUES(1, 'A');
INSERT INTO t4 VALUES(2, 'B');
INSERT INTO t4 VALUES(3, 'C');
INSERT INTO t4 VALUES(4, 'D');
}
do_execsql_test -db db2 $tn.4.2.1 {
DELETE FROM t4;
INSERT INTO t4 VALUES(1, 'A', 'a');
INSERT INTO t4 VALUES(3, 'C', 'c');
INSERT INTO t4 VALUES(4, 'E', 'd');
}
do_conflict_test $tn.4.2.2 -tables t4 -sql {
DELETE FROM t4 WHERE x=2;
DELETE FROM t4 WHERE x=4;
} -conflicts {
{DELETE t4 NOTFOUND {i 2 t B}}
{DELETE t4 DATA {i 4 t D} {i 4 t E}}
}
do_execsql_test $tn.4.3.0 {
CREATE TABLE t5(a, b, c PRIMARY KEY) %WR%;
INSERT INTO t5 VALUES(1,1,1), (2,2,2), (3,3,3), (4,4,4);
}
do_execsql_test -db db2 $tn.4.3.1 {
CREATE TABLE t5(a, b, c PRIMARY KEY, d CHECK(b!=10)) %WR%;
INSERT INTO t5 VALUES (2,2,2,2), (3,8,3,3), (4,4,4,4);
}
do_conflict_test $tn.4.3.2 -tables t5 -sql {
UPDATE t5 SET a=4 WHERE c=1;
UPDATE t5 SET b=9 WHERE c=3;
UPDATE t5 SET b=10 WHERE c=2;
} -conflicts {
{UPDATE t5 NOTFOUND {i 1 {} {} i 1} {i 4 {} {} {} {}}}
{UPDATE t5 DATA {{} {} i 3 i 3} {{} {} i 9 {} {}} {i 3 i 8 i 3}}
{UPDATE t5 CONSTRAINT {{} {} i 2 i 2} {{} {} i 10 {} {}}}
}
#-----------------------------------------------------------------------
do_execsql_test $tn.5.0 {
CREATE TABLE t6(a, b, c, PRIMARY KEY(a, b)) %WR%;
}
do_execsql_test -db db2 $tn.5.1 {
CREATE TABLE t6(a, b, c, d, e, PRIMARY KEY(a, b)) %WR%;
}
do_test $tn.5.2 {
set c1 [sql_exec_changeset db {
INSERT INTO t6 VALUES(1, 1, 1);
INSERT INTO t6 VALUES(2, 2, 2);
}]
set c2 [sql_exec_changeset db2 {
INSERT INTO t6 VALUES(3, 3, 3, 3, 3);
INSERT INTO t6 VALUES(4, 4, 4, 4, 4);
}]
list [catch { sqlite3changeset_concat $c1 $c2} msg] $msg
} {1 SQLITE_SCHEMA}
#-----------------------------------------------------------------------
db2 close
sqlite3 db2 test.db
do_execsql_test $tn.6.0 {
CREATE TABLE t7(a INTEGER PRIMARY KEY, b) %WR%;
INSERT INTO t7 VALUES(1, 1);
INSERT INTO t7 VALUES(2, 2);
INSERT INTO t7 VALUES(3, 3);
}
do_test $tn.6.1 {
set c1 [sql_exec_changeset db {
INSERT INTO t7 VALUES(4, 4);
DELETE FROM t7 WHERE a=1;
UPDATE t7 SET b=222 WHERE a=2;
}]
set cinv [sqlite3changeset_invert $c1]
execsql { SELECT * FROM t7 }
} {2 222 3 3 4 4}
do_execsql_test -db db2 $tn.6.2 {
ALTER TABLE t7 ADD COLUMN c DEFAULT 'ccc'
}
proc xConfict {args} { return "OMIT" }
do_test $tn.6.3 {
sqlite3changeset_apply db $cinv xConflict
execsql { SELECT * FROM t7 }
} {1 1 ccc 2 2 ccc 3 3 ccc}
}]
}
catch { db close }
catch { db2 close }
sqlite3_shutdown
test_sqlite3_log
finish_test