sqlite/test/update.test
drh 7b14b65d20 Do not allow triggers that run as part of REPLACE conflict resolution
during an UPDATE to modify the the table being updated.  Otherwise, those
triggers might delete content out from under the update operation, leading
to all kinds of problems.  Ticket [314cc133e5ada126]

FossilOrigin-Name: db4b7e1dc399c1f16b827ac087aa37c0815f4b2f41f1ffad59963eead2ab5562
2019-12-29 22:08:20 +00:00

734 lines
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# 2001 September 15
#
# 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 SQLite library. The
# focus of this file is testing the UPDATE statement.
#
# $Id: update.test,v 1.19 2008/04/10 18:44:36 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
# Try to update an non-existent table
#
do_test update-1.1 {
set v [catch {execsql {UPDATE test1 SET f2=5 WHERE f1<1}} msg]
lappend v $msg
} {1 {no such table: test1}}
# Try to update a read-only table
#
do_test update-2.1 {
set v [catch \
{execsql {UPDATE sqlite_master SET name='xyz' WHERE name='123'}} msg]
lappend v $msg
} {1 {table sqlite_master may not be modified}}
# Create a table to work with
#
do_test update-3.1 {
execsql {CREATE TABLE test1(f1 int,f2 int)}
for {set i 1} {$i<=10} {incr i} {
set sql "INSERT INTO test1 VALUES($i,[expr {1<<$i}])"
execsql $sql
}
execsql {SELECT * FROM test1 ORDER BY f1}
} {1 2 2 4 3 8 4 16 5 32 6 64 7 128 8 256 9 512 10 1024}
# Unknown column name in an expression
#
do_test update-3.2 {
set v [catch {execsql {UPDATE test1 SET f1=f3*2 WHERE f2==32}} msg]
lappend v $msg
} {1 {no such column: f3}}
do_test update-3.3 {
set v [catch {execsql {UPDATE test1 SET f1=test2.f1*2 WHERE f2==32}} msg]
lappend v $msg
} {1 {no such column: test2.f1}}
do_test update-3.4 {
set v [catch {execsql {UPDATE test1 SET f3=f1*2 WHERE f2==32}} msg]
lappend v $msg
} {1 {no such column: f3}}
# Actually do some updates
#
do_test update-3.5 {
execsql {UPDATE test1 SET f2=f2*3}
} {}
do_test update-3.5.1 {
db changes
} {10}
# verify that SELECT does not reset the change counter
do_test update-3.5.2 {
db eval {SELECT count(*) FROM test1}
} {10}
do_test update-3.5.3 {
db changes
} {10}
do_test update-3.6 {
execsql {SELECT * FROM test1 ORDER BY f1}
} {1 6 2 12 3 24 4 48 5 96 6 192 7 384 8 768 9 1536 10 3072}
do_test update-3.7 {
execsql {PRAGMA count_changes=on}
execsql {UPDATE test1 SET f2=f2/3 WHERE f1<=5}
} {5}
do_test update-3.8 {
execsql {SELECT * FROM test1 ORDER BY f1}
} {1 2 2 4 3 8 4 16 5 32 6 192 7 384 8 768 9 1536 10 3072}
do_test update-3.9 {
execsql {UPDATE test1 SET f2=f2/3 WHERE f1>5}
} {5}
do_test update-3.10 {
execsql {SELECT * FROM test1 ORDER BY f1}
} {1 2 2 4 3 8 4 16 5 32 6 64 7 128 8 256 9 512 10 1024}
# Swap the values of f1 and f2 for all elements
#
do_test update-3.11 {
execsql {UPDATE test1 SET F2=f1, F1=f2}
} {10}
do_test update-3.12 {
execsql {SELECT * FROM test1 ORDER BY F1}
} {2 1 4 2 8 3 16 4 32 5 64 6 128 7 256 8 512 9 1024 10}
do_test update-3.13 {
execsql {PRAGMA count_changes=off}
execsql {UPDATE test1 SET F2=f1, F1=f2}
} {}
do_test update-3.14 {
execsql {SELECT * FROM test1 ORDER BY F1}
} {1 2 2 4 3 8 4 16 5 32 6 64 7 128 8 256 9 512 10 1024}
# Create duplicate entries and make sure updating still
# works.
#
do_test update-4.0 {
execsql {
DELETE FROM test1 WHERE f1<=5;
INSERT INTO test1(f1,f2) VALUES(8,88);
INSERT INTO test1(f1,f2) VALUES(8,888);
INSERT INTO test1(f1,f2) VALUES(77,128);
INSERT INTO test1(f1,f2) VALUES(777,128);
}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128}
do_test update-4.1 {
execsql {UPDATE test1 SET f2=f2+1 WHERE f1==8}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 89 8 257 8 889 9 512 10 1024 77 128 777 128}
do_test update-4.2 {
execsql {UPDATE test1 SET f2=f2-1 WHERE f1==8 and f2>800}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 89 8 257 8 888 9 512 10 1024 77 128 777 128}
do_test update-4.3 {
execsql {UPDATE test1 SET f2=f2-1 WHERE f1==8 and f2<800}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128}
do_test update-4.4 {
execsql {UPDATE test1 SET f1=f1+1 WHERE f2==128}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 8 88 8 128 8 256 8 888 9 512 10 1024 78 128 778 128}
do_test update-4.5 {
execsql {UPDATE test1 SET f1=f1-1 WHERE f1>100 and f2==128}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 8 88 8 128 8 256 8 888 9 512 10 1024 78 128 777 128}
do_test update-4.6 {
execsql {
PRAGMA count_changes=on;
UPDATE test1 SET f1=f1-1 WHERE f1<=100 and f2==128;
}
} {2}
do_test update-4.7 {
execsql {
PRAGMA count_changes=off;
SELECT * FROM test1 ORDER BY f1,f2
}
} {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128}
# Repeat the previous sequence of tests with an index.
#
do_test update-5.0 {
execsql {CREATE INDEX idx1 ON test1(f1)}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128}
do_test update-5.1 {
execsql {UPDATE test1 SET f2=f2+1 WHERE f1==8}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 89 8 257 8 889 9 512 10 1024 77 128 777 128}
do_test update-5.2 {
execsql {UPDATE test1 SET f2=f2-1 WHERE f1==8 and f2>800}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 89 8 257 8 888 9 512 10 1024 77 128 777 128}
do_test update-5.3 {
execsql {UPDATE test1 SET f2=f2-1 WHERE f1==8 and f2<800}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128}
do_test update-5.4 {
execsql {UPDATE test1 SET f1=f1+1 WHERE f2==128}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 8 88 8 128 8 256 8 888 9 512 10 1024 78 128 778 128}
do_test update-5.4.1 {
execsql {SELECT * FROM test1 WHERE f1==78 ORDER BY f1,f2}
} {78 128}
do_test update-5.4.2 {
execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2}
} {778 128}
do_test update-5.4.3 {
execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2}
} {8 88 8 128 8 256 8 888}
do_test update-5.5 {
execsql {UPDATE test1 SET f1=f1-1 WHERE f1>100 and f2==128}
} {}
do_test update-5.5.1 {
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 8 88 8 128 8 256 8 888 9 512 10 1024 78 128 777 128}
do_test update-5.5.2 {
execsql {SELECT * FROM test1 WHERE f1==78 ORDER BY f1,f2}
} {78 128}
do_test update-5.5.3 {
execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2}
} {}
do_test update-5.5.4 {
execsql {SELECT * FROM test1 WHERE f1==777 ORDER BY f1,f2}
} {777 128}
do_test update-5.5.5 {
execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2}
} {8 88 8 128 8 256 8 888}
do_test update-5.6 {
execsql {
PRAGMA count_changes=on;
UPDATE test1 SET f1=f1-1 WHERE f1<=100 and f2==128;
}
} {2}
do_test update-5.6.1 {
execsql {
PRAGMA count_changes=off;
SELECT * FROM test1 ORDER BY f1,f2
}
} {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128}
do_test update-5.6.2 {
execsql {SELECT * FROM test1 WHERE f1==77 ORDER BY f1,f2}
} {77 128}
do_test update-5.6.3 {
execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2}
} {}
do_test update-5.6.4 {
execsql {SELECT * FROM test1 WHERE f1==777 ORDER BY f1,f2}
} {777 128}
do_test update-5.6.5 {
execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2}
} {8 88 8 256 8 888}
# Repeat the previous sequence of tests with a different index.
#
execsql {PRAGMA synchronous=FULL}
do_test update-6.0 {
execsql {DROP INDEX idx1}
execsql {CREATE INDEX idx1 ON test1(f2)}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128}
do_test update-6.1 {
execsql {UPDATE test1 SET f2=f2+1 WHERE f1==8}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 89 8 257 8 889 9 512 10 1024 77 128 777 128}
do_test update-6.1.1 {
execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2}
} {8 89 8 257 8 889}
do_test update-6.1.2 {
execsql {SELECT * FROM test1 WHERE f2==89 ORDER BY f1,f2}
} {8 89}
do_test update-6.1.3 {
execsql {SELECT * FROM test1 WHERE f1==88 ORDER BY f1,f2}
} {}
do_test update-6.2 {
execsql {UPDATE test1 SET f2=f2-1 WHERE f1==8 and f2>800}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 89 8 257 8 888 9 512 10 1024 77 128 777 128}
do_test update-6.3 {
execsql {UPDATE test1 SET f2=f2-1 WHERE f1==8 and f2<800}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128}
do_test update-6.3.1 {
execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2}
} {8 88 8 256 8 888}
do_test update-6.3.2 {
execsql {SELECT * FROM test1 WHERE f2==89 ORDER BY f1,f2}
} {}
do_test update-6.3.3 {
execsql {SELECT * FROM test1 WHERE f2==88 ORDER BY f1,f2}
} {8 88}
do_test update-6.4 {
execsql {UPDATE test1 SET f1=f1+1 WHERE f2==128}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 8 88 8 128 8 256 8 888 9 512 10 1024 78 128 778 128}
do_test update-6.4.1 {
execsql {SELECT * FROM test1 WHERE f1==78 ORDER BY f1,f2}
} {78 128}
do_test update-6.4.2 {
execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2}
} {778 128}
do_test update-6.4.3 {
execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2}
} {8 88 8 128 8 256 8 888}
do_test update-6.5 {
execsql {UPDATE test1 SET f1=f1-1 WHERE f1>100 and f2==128}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 8 88 8 128 8 256 8 888 9 512 10 1024 78 128 777 128}
do_test update-6.5.1 {
execsql {SELECT * FROM test1 WHERE f1==78 ORDER BY f1,f2}
} {78 128}
do_test update-6.5.2 {
execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2}
} {}
do_test update-6.5.3 {
execsql {SELECT * FROM test1 WHERE f1==777 ORDER BY f1,f2}
} {777 128}
do_test update-6.5.4 {
execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2}
} {8 88 8 128 8 256 8 888}
do_test update-6.6 {
execsql {UPDATE test1 SET f1=f1-1 WHERE f1<=100 and f2==128}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128}
do_test update-6.6.1 {
execsql {SELECT * FROM test1 WHERE f1==77 ORDER BY f1,f2}
} {77 128}
do_test update-6.6.2 {
execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2}
} {}
do_test update-6.6.3 {
execsql {SELECT * FROM test1 WHERE f1==777 ORDER BY f1,f2}
} {777 128}
do_test update-6.6.4 {
execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2}
} {8 88 8 256 8 888}
# Repeat the previous sequence of tests with multiple
# indices
#
do_test update-7.0 {
execsql {CREATE INDEX idx2 ON test1(f2)}
execsql {CREATE INDEX idx3 ON test1(f1,f2)}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128}
do_test update-7.1 {
execsql {UPDATE test1 SET f2=f2+1 WHERE f1==8}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 89 8 257 8 889 9 512 10 1024 77 128 777 128}
do_test update-7.1.1 {
execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2}
} {8 89 8 257 8 889}
do_test update-7.1.2 {
execsql {SELECT * FROM test1 WHERE f2==89 ORDER BY f1,f2}
} {8 89}
do_test update-7.1.3 {
execsql {SELECT * FROM test1 WHERE f1==88 ORDER BY f1,f2}
} {}
do_test update-7.2 {
execsql {UPDATE test1 SET f2=f2-1 WHERE f1==8 and f2>800}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 89 8 257 8 888 9 512 10 1024 77 128 777 128}
do_test update-7.3 {
# explain {UPDATE test1 SET f2=f2-1 WHERE f1==8 and F2<300}
execsql {UPDATE test1 SET f2=f2-1 WHERE f1==8 and f2<800}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128}
do_test update-7.3.1 {
execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2}
} {8 88 8 256 8 888}
do_test update-7.3.2 {
execsql {SELECT * FROM test1 WHERE f2==89 ORDER BY f1,f2}
} {}
do_test update-7.3.3 {
execsql {SELECT * FROM test1 WHERE f2==88 ORDER BY f1,f2}
} {8 88}
do_test update-7.4 {
execsql {UPDATE test1 SET f1=f1+1 WHERE f2==128}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 8 88 8 128 8 256 8 888 9 512 10 1024 78 128 778 128}
do_test update-7.4.1 {
execsql {SELECT * FROM test1 WHERE f1==78 ORDER BY f1,f2}
} {78 128}
do_test update-7.4.2 {
execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2}
} {778 128}
do_test update-7.4.3 {
execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2}
} {8 88 8 128 8 256 8 888}
do_test update-7.5 {
execsql {UPDATE test1 SET f1=f1-1 WHERE f1>100 and f2==128}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 8 88 8 128 8 256 8 888 9 512 10 1024 78 128 777 128}
do_test update-7.5.1 {
execsql {SELECT * FROM test1 WHERE f1==78 ORDER BY f1,f2}
} {78 128}
do_test update-7.5.2 {
execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2}
} {}
do_test update-7.5.3 {
execsql {SELECT * FROM test1 WHERE f1==777 ORDER BY f1,f2}
} {777 128}
do_test update-7.5.4 {
execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2}
} {8 88 8 128 8 256 8 888}
do_test update-7.6 {
execsql {UPDATE test1 SET f1=f1-1 WHERE f1<=100 and f2==128}
execsql {SELECT * FROM test1 ORDER BY f1,f2}
} {6 64 7 128 8 88 8 256 8 888 9 512 10 1024 77 128 777 128}
do_test update-7.6.1 {
execsql {SELECT * FROM test1 WHERE f1==77 ORDER BY f1,f2}
} {77 128}
do_test update-7.6.2 {
execsql {SELECT * FROM test1 WHERE f1==778 ORDER BY f1,f2}
} {}
do_test update-7.6.3 {
execsql {SELECT * FROM test1 WHERE f1==777 ORDER BY f1,f2}
} {777 128}
do_test update-7.6.4 {
execsql {SELECT * FROM test1 WHERE f1==8 ORDER BY f1,f2}
} {8 88 8 256 8 888}
# Error messages
#
do_test update-9.1 {
set v [catch {execsql {
UPDATE test1 SET x=11 WHERE f1=1025
}} msg]
lappend v $msg
} {1 {no such column: x}}
do_test update-9.2 {
set v [catch {execsql {
UPDATE test1 SET f1=x(11) WHERE f1=1025
}} msg]
lappend v $msg
} {1 {no such function: x}}
do_test update-9.3 {
set v [catch {execsql {
UPDATE test1 SET f1=11 WHERE x=1025
}} msg]
lappend v $msg
} {1 {no such column: x}}
do_test update-9.4 {
set v [catch {execsql {
UPDATE test1 SET f1=11 WHERE x(f1)=1025
}} msg]
lappend v $msg
} {1 {no such function: x}}
# Try doing updates on a unique column where the value does not
# really change.
#
do_test update-10.1 {
execsql {
DROP TABLE test1;
CREATE TABLE t1(
a integer primary key,
b UNIQUE,
c, d,
e, f,
UNIQUE(c,d)
);
INSERT INTO t1 VALUES(1,2,3,4,5,6);
INSERT INTO t1 VALUES(2,3,4,4,6,7);
SELECT * FROM t1
}
} {1 2 3 4 5 6 2 3 4 4 6 7}
do_test update-10.2 {
catchsql {
UPDATE t1 SET a=1, e=9 WHERE f=6;
SELECT * FROM t1;
}
} {0 {1 2 3 4 9 6 2 3 4 4 6 7}}
do_test update-10.3 {
catchsql {
UPDATE t1 SET a=1, e=10 WHERE f=7;
SELECT * FROM t1;
}
} {1 {UNIQUE constraint failed: t1.a}}
do_test update-10.4 {
catchsql {
SELECT * FROM t1;
}
} {0 {1 2 3 4 9 6 2 3 4 4 6 7}}
do_test update-10.5 {
catchsql {
UPDATE t1 SET b=2, e=11 WHERE f=6;
SELECT * FROM t1;
}
} {0 {1 2 3 4 11 6 2 3 4 4 6 7}}
do_test update-10.6 {
catchsql {
UPDATE t1 SET b=2, e=12 WHERE f=7;
SELECT * FROM t1;
}
} {1 {UNIQUE constraint failed: t1.b}}
do_test update-10.7 {
catchsql {
SELECT * FROM t1;
}
} {0 {1 2 3 4 11 6 2 3 4 4 6 7}}
do_test update-10.8 {
catchsql {
UPDATE t1 SET c=3, d=4, e=13 WHERE f=6;
SELECT * FROM t1;
}
} {0 {1 2 3 4 13 6 2 3 4 4 6 7}}
do_test update-10.9 {
catchsql {
UPDATE t1 SET c=3, d=4, e=14 WHERE f=7;
SELECT * FROM t1;
}
} {1 {UNIQUE constraint failed: t1.c, t1.d}}
do_test update-10.10 {
catchsql {
SELECT * FROM t1;
}
} {0 {1 2 3 4 13 6 2 3 4 4 6 7}}
# Make sure we can handle a subquery in the where clause.
#
ifcapable subquery {
do_test update-11.1 {
execsql {
UPDATE t1 SET e=e+1 WHERE b IN (SELECT b FROM t1);
SELECT b,e FROM t1;
}
} {2 14 3 7}
do_test update-11.2 {
execsql {
UPDATE t1 SET e=e+1 WHERE a IN (SELECT a FROM t1);
SELECT a,e FROM t1;
}
} {1 15 2 8}
do_test update-11.3 {
execsql {
UPDATE t1 AS xyz SET e=e+1 WHERE xyz.a IN (SELECT a FROM t1);
SELECT a,e FROM t1;
}
} {1 16 2 9}
do_test update-11.4 {
execsql {
UPDATE t1 AS xyz SET e=e+1 WHERE EXISTS(SELECT 1 FROM t1 WHERE t1.a<xyz.a);
SELECT a,e FROM t1;
}
} {1 16 2 10}
}
integrity_check update-12.1
# Ticket 602. Updates should occur in the same order as the records
# were discovered in the WHERE clause.
#
do_test update-13.1 {
execsql {
BEGIN;
CREATE TABLE t2(a);
INSERT INTO t2 VALUES(1);
INSERT INTO t2 VALUES(2);
INSERT INTO t2 SELECT a+2 FROM t2;
INSERT INTO t2 SELECT a+4 FROM t2;
INSERT INTO t2 SELECT a+8 FROM t2;
INSERT INTO t2 SELECT a+16 FROM t2;
INSERT INTO t2 SELECT a+32 FROM t2;
INSERT INTO t2 SELECT a+64 FROM t2;
INSERT INTO t2 SELECT a+128 FROM t2;
INSERT INTO t2 SELECT a+256 FROM t2;
INSERT INTO t2 SELECT a+512 FROM t2;
INSERT INTO t2 SELECT a+1024 FROM t2;
COMMIT;
SELECT count(*) FROM t2;
}
} {2048}
do_test update-13.2 {
execsql {
SELECT count(*) FROM t2 WHERE a=rowid;
}
} {2048}
do_test update-13.3 {
execsql {
UPDATE t2 SET rowid=rowid-1;
SELECT count(*) FROM t2 WHERE a=rowid+1;
}
} {2048}
do_test update-13.3 {
execsql {
UPDATE t2 SET rowid=rowid+10000;
UPDATE t2 SET rowid=rowid-9999;
SELECT count(*) FROM t2 WHERE a=rowid;
}
} {2048}
do_test update-13.4 {
execsql {
BEGIN;
INSERT INTO t2 SELECT a+2048 FROM t2;
INSERT INTO t2 SELECT a+4096 FROM t2;
INSERT INTO t2 SELECT a+8192 FROM t2;
SELECT count(*) FROM t2 WHERE a=rowid;
COMMIT;
}
} 16384
do_test update-13.5 {
execsql {
UPDATE t2 SET rowid=rowid-1;
SELECT count(*) FROM t2 WHERE a=rowid+1;
}
} 16384
integrity_check update-13.6
ifcapable {trigger} {
# Test for proper detection of malformed WHEN clauses on UPDATE triggers.
#
do_test update-14.1 {
execsql {
CREATE TABLE t3(a,b,c);
CREATE TRIGGER t3r1 BEFORE UPDATE on t3 WHEN nosuchcol BEGIN
SELECT 'illegal WHEN clause';
END;
}
} {}
do_test update-14.2 {
catchsql {
UPDATE t3 SET a=1;
}
} {1 {no such column: nosuchcol}}
do_test update-14.3 {
execsql {
CREATE TABLE t4(a,b,c);
CREATE TRIGGER t4r1 AFTER UPDATE on t4 WHEN nosuchcol BEGIN
SELECT 'illegal WHEN clause';
END;
}
} {}
do_test update-14.4 {
catchsql {
UPDATE t4 SET a=1;
}
} {1 {no such column: nosuchcol}}
} ;# ifcapable {trigger}
# Ticket [https://www.sqlite.org/src/tktview/43107840f1c02] on 2014-10-29
# An assertion fault on UPDATE
#
do_execsql_test update-15.1 {
CREATE TABLE t15(a INTEGER PRIMARY KEY, b);
INSERT INTO t15(a,b) VALUES(10,'abc'),(20,'def'),(30,'ghi');
ALTER TABLE t15 ADD COLUMN c;
CREATE INDEX t15c ON t15(c);
INSERT INTO t15(a,b)
VALUES(5,'zyx'),(15,'wvu'),(25,'tsr'),(35,'qpo');
UPDATE t15 SET c=printf("y%d",a) WHERE c IS NULL;
SELECT a,b,c,'|' FROM t15 ORDER BY a;
} {5 zyx y5 | 10 abc y10 | 15 wvu y15 | 20 def y20 | 25 tsr y25 | 30 ghi y30 | 35 qpo y35 |}
# Unreleased bug in UPDATE caused by the UPSERT changes.
# Found by OSSFuzz as soon as the UPSERT changes landed on trunk.
# Never released into the wild. 2018-04-19.
#
do_execsql_test update-16.1 {
CREATE TABLE t16(a INTEGER PRIMARY KEY ON CONFLICT REPLACE, b UNIQUE);
INSERT INTO t16(a,b) VALUES(1,2),(3,4),(5,6);
UPDATE t16 SET a=a;
SELECT * FROM t16 ORDER BY +a;
} {1 2 3 4 5 6}
# 2019-12-09 gramfuzz find
# If a partial index that does not reference any column of its table (which is you
# must admit is a very strange index, but one that is allowed) is used by an UPDATE
# statement, void the use of OP_DeferredSeek on the main loop, as the seek will not
# be resolved prior to the OP_Delete.
#
do_execsql_test update-17.10 {
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(x,y);
INSERT INTO t1(x) VALUES(1);
CREATE INDEX t1x1 ON t1(1) WHERE 3;
UPDATE t1 SET x=2, y=3 WHERE 3;
SELECT * FROM t1;
} {2 3}
# 2019-12-22 ticket 5ad2aa6921faa1ee
# Make a hard-copy of values that need to be run through OP_RealAffinity
# rather than a soft-copy. This is not strictly necessary, but it avoids
# a memory-accounting assert().
#
reset_db
do_execsql_test update-18.10 {
PRAGMA encoding = 'UTF16';
CREATE TABLE t0(c0 REAL, c1);
INSERT INTO t0(c0,c1) VALUES('xyz',11),('uvw',22);
CREATE INDEX i0 ON t0(c1) WHERE c0 GLOB 3;
CREATE INDEX i1 ON t0(c0,c1) WHERE typeof(c0)='text' AND typeof(c1)='integer';
UPDATE t0 SET c1=345;
SELECT * FROM t0;
} {xyz 345 uvw 345}
# 2019-12-22 ticket c62c5e58524b204d
# This is really the same underlying problem as 5ad2aa6921faa1ee
#
reset_db
do_execsql_test update-18.20 {
PRAGMA encoding = 'utf16';
CREATE TABLE t0(c0 TEXT);
CREATE INDEX i0 ON t0(0 LIKE COALESCE(c0, 0));
INSERT INTO t0(c0) VALUES (0), (0);
SELECT * FROM t0;
} {0 0}
# 2019-12-28 assertion fault reported by Yongheng
# Similar to ticket ec8abb025e78f40c
# An UPDATE was reaching the OP_Delete after running OP_DeferredSeek
# without ever hitting an OP_Column. The enhanced solution is to
# fix OP_Delete so that it can do the seek itself.
#
reset_db
do_execsql_test update-19.10 {
CREATE TABLE t1(
a TEXT,
b INTEGER PRIMARY KEY UNIQUE
);
INSERT INTO t1 VALUES(1,2);
UPDATE t1 SET a = quote(b) WHERE b>=2;
SELECT * FROM t1;
} {2 2}
# 2019-12-29 ticket https://www.sqlite.org/src/info/314cc133e5ada126
# REPLACE conflict resolution during an UPDATE causes a DELETE trigger
# to fire. If that DELETE trigger subsequently modifies the row
# being updated, bad things can happen. Prevent this by prohibiting
# triggers from making changes to the table being updated while doing
# REPLACE conflict resolution on the UPDATE.
#
# See also tickets:
# https://www.sqlite.org/src/info/c1e19e12046d23fe 2019-10-25
# https://www.sqlite.org/src/info/a8a4847a2d96f5de 2019-10-16
#
reset_db
do_execsql_test update-20.10 {
PRAGMA recursive_triggers = true;
CREATE TABLE t1(a UNIQUE ON CONFLICT REPLACE, b);
INSERT INTO t1(a,b) VALUES(4,12),(9,13);
CREATE INDEX i0 ON t1(b);
CREATE TRIGGER tr0 DELETE ON t1 BEGIN
UPDATE t1 SET b = a;
END;
PRAGMA integrity_check;
} {ok}
do_catchsql_test update-20.20 {
UPDATE t1 SET a=0;
} {1 {constraint failed}}
do_execsql_test update-20.30 {
PRAGMA integrity_check;
} {ok}
finish_test