sqlite3/ext/session/sessionG.test

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# 2016 March 30
#
# 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.
#
#***********************************************************************
#
# This file implements regression tests for the sessions module.
# Specifically, it tests that UNIQUE constraints are dealt with correctly.
#
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 sessionG
forcedelete test.db2
sqlite3 db2 test.db2
do_test 1.0 {
do_common_sql {
CREATE TABLE t1(a PRIMARY KEY, b UNIQUE);
INSERT INTO t1 VALUES(1, 'one');
INSERT INTO t1 VALUES(2, 'two');
INSERT INTO t1 VALUES(3, 'three');
}
do_then_apply_sql -ignorenoop {
DELETE FROM t1 WHERE a=1;
INSERT INTO t1 VALUES(4, 'one');
}
compare_db db db2
} {}
do_test 1.1 {
do_then_apply_sql -ignorenoop {
DELETE FROM t1 WHERE a=4;
INSERT INTO t1 VALUES(1, 'one');
}
compare_db db db2
} {}
do_test 1.2 {
execsql { INSERT INTO t1 VALUES(5, 'five') } db2
do_then_apply_sql -ignorenoop {
INSERT INTO t1 VALUES(11, 'eleven');
INSERT INTO t1 VALUES(12, 'five');
}
execsql { SELECT * FROM t1 } db2
} {2 two 3 three 1 one 5 five 11 eleven}
do_test 1.3 {
execsql { SELECT * FROM t1 }
} {2 two 3 three 1 one 11 eleven 12 five}
#-------------------------------------------------------------------------
#
reset_db
db2 close
forcedelete test.db2
sqlite3 db2 test.db2
do_test 2.1 {
do_common_sql {
CREATE TABLE t1(a PRIMARY KEY, b UNIQUE, c UNIQUE);
INSERT INTO t1 VALUES(1, 1, 1);
INSERT INTO t1 VALUES(2, 2, 2);
INSERT INTO t1 VALUES(3, 3, 3);
}
} {}
do_test 2.2.1 {
# It is not possible to apply the changeset generated by the following
# SQL, as none of the three updated rows may be updated as part of the
# first pass.
do_then_apply_sql -ignorenoop {
UPDATE t1 SET b=0 WHERE a=1;
UPDATE t1 SET b=1 WHERE a=2;
UPDATE t1 SET b=2 WHERE a=3;
UPDATE t1 SET b=3 WHERE a=1;
}
db2 eval { SELECT a, b FROM t1 }
} {1 1 2 2 3 3}
do_test 2.2.2 { db eval { SELECT a, b FROM t1 } } {1 3 2 1 3 2}
#-------------------------------------------------------------------------
#
reset_db
db2 close
forcedelete test.db2
sqlite3 db2 test.db2
do_test 3.1 {
do_common_sql {
CREATE TABLE t1(a PRIMARY KEY, b UNIQUE, c UNIQUE);
INSERT INTO t1 VALUES(1, 1, 1);
INSERT INTO t1 VALUES(2, 2, 2);
INSERT INTO t1 VALUES(3, 3, 3);
}
} {}
do_test 3.3 {
do_then_apply_sql -ignorenoop {
UPDATE t1 SET b=4 WHERE a=3;
UPDATE t1 SET b=3 WHERE a=2;
UPDATE t1 SET b=2 WHERE a=1;
}
compare_db db db2
} {}
do_test 3.4 {
do_then_apply_sql -ignorenoop {
UPDATE t1 SET b=1 WHERE a=1;
UPDATE t1 SET b=2 WHERE a=2;
UPDATE t1 SET b=3 WHERE a=3;
}
compare_db db db2
} {}
#-------------------------------------------------------------------------
#
reset_db
db2 close
forcedelete test.db2
sqlite3 db2 test.db2
do_test 4.1 {
do_common_sql {
CREATE TABLE t1(a PRIMARY KEY, b UNIQUE);
INSERT INTO t1 VALUES(1, 1);
INSERT INTO t1 VALUES(2, 2);
INSERT INTO t1 VALUES(3, 3);
CREATE TABLE t2(a PRIMARY KEY, b UNIQUE);
INSERT INTO t2 VALUES(1, 1);
INSERT INTO t2 VALUES(2, 2);
INSERT INTO t2 VALUES(3, 3);
}
} {}
do_test 4.2 {
do_then_apply_sql -ignorenoop {
UPDATE t1 SET b=4 WHERE a=3;
UPDATE t1 SET b=3 WHERE a=2;
UPDATE t1 SET b=2 WHERE a=1;
UPDATE t2 SET b=0 WHERE a=1;
UPDATE t2 SET b=1 WHERE a=2;
UPDATE t2 SET b=2 WHERE a=3;
}
compare_db db db2
} {}
do_test 4.3 {
do_then_apply_sql -ignorenoop {
UPDATE t1 SET b=1 WHERE a=1;
UPDATE t1 SET b=2 WHERE a=2;
UPDATE t1 SET b=3 WHERE a=3;
UPDATE t2 SET b=3 WHERE a=3;
UPDATE t2 SET b=2 WHERE a=2;
UPDATE t2 SET b=1 WHERE a=1;
}
compare_db db db2
} {}
#-------------------------------------------------------------------------
reset_db
catch { db2 close }
forcedelete test.db2
sqlite3 db2 test.db2
do_execsql_test 5.0.1 {
CREATE TABLE t1(a PRIMARY KEY, b, c);
CREATE TABLE t2(a, b, c PRIMARY KEY);
CREATE TABLE t3(a, b PRIMARY KEY, c);
}
do_execsql_test -db db2 5.0.2 {
CREATE TABLE t1(a PRIMARY KEY, b, c);
CREATE TABLE t2(a, b, c);
CREATE TABLE t3(a, b PRIMARY KEY, c);
}
do_test 5.1 {
do_then_apply_sql -ignorenoop {
INSERT INTO t1 VALUES(1, 2, 3);
INSERT INTO t2 VALUES(4, 5, 6);
INSERT INTO t3 VALUES(7, 8, 9);
}
db2 eval {
SELECT * FROM t1;
SELECT * FROM t2;
SELECT * FROM t3;
}
} {1 2 3 7 8 9}
#-------------------------------------------------------------------------
reset_db
db func number_name number_name
do_execsql_test 6.0 {
CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
CREATE UNIQUE INDEX t1b ON t1(b);
WITH s(i) AS (
SELECT 1
UNION ALL
SELECT i+1 FROM s WHERE i<1000
)
INSERT INTO t1 SELECT i, number_name(i) FROM s;
}
do_test 6.1 {
db eval BEGIN
set ::C [changeset_from_sql {
DELETE FROM t1;
WITH s(i) AS (
SELECT 1
UNION ALL
SELECT i+1 FROM s WHERE i<1000
)
INSERT INTO t1 SELECT i, number_name(i+1) FROM s;
}]
db eval ROLLBACK
execsql { SELECT count(*) FROM t1 WHERE number_name(a) IS NOT b }
} {0}
proc xConflict {args} { exit ; return "OMIT" }
do_test 6.2 {
sqlite3changeset_apply db $C xConflict
} {}
do_execsql_test 6.3 { SELECT count(*) FROM t1; } {1000}
do_execsql_test 6.4 {
SELECT count(*) FROM t1 WHERE number_name(a+1) IS NOT b;
} {0}
# db eval { SELECT * FROM t1 } { puts "$a || $b" }
finish_test