xref: /sqlite-3.40.0/test/conflict.test (revision 6b8b8749)

# 2002 January 29
#
# 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.
#
# This file implements tests for the conflict resolution extension
# to SQLite.
#
# $Id: conflict.test,v 1.14 2002/08/18 20:28:07 drh Exp $

set testdir [file dirname $argv0]
source $testdir/tester.tcl

# Create tables for the first group of tests.
#
do_test conflict-1.0 {
  execsql {
    CREATE TABLE t1(a, b, c, UNIQUE(a,b));
    CREATE TABLE t2(x);
    SELECT c FROM t1 ORDER BY c;
  }
} {}

# Six columns of configuration data as follows:
#
#   i      The reference number of the test
#   conf   The conflict resolution algorithm on the BEGIN statement
#   cmd    An INSERT or REPLACE command to execute against table t1
#   t0     True if there is an error from $cmd
#   t1     Content of "c" column of t1 assuming no error in $cmd
#   t2     Content of "x" column of t2
#
foreach {i conf cmd t0 t1 t2} {
  1 {}       INSERT                  1 {}  1
  2 {}       {INSERT OR IGNORE}      0 3   1
  3 {}       {INSERT OR REPLACE}     0 4   1
  4 {}       REPLACE                 0 4   1
  5 {}       {INSERT OR FAIL}        1 {}  1
  6 {}       {INSERT OR ABORT}       1 {}  1
  7 {}       {INSERT OR ROLLBACK}    1 {}  {}
  8 IGNORE   INSERT                  0 3   1
  9 IGNORE   {INSERT OR IGNORE}      0 3   1
 10 IGNORE   {INSERT OR REPLACE}     0 4   1
 11 IGNORE   REPLACE                 0 4   1
 12 IGNORE   {INSERT OR FAIL}        1 {}  1
 13 IGNORE   {INSERT OR ABORT}       1 {}  1
 14 IGNORE   {INSERT OR ROLLBACK}    1 {}  {}
 15 REPLACE  INSERT                  0 4   1
 16 FAIL     INSERT                  1 {}  1
 17 ABORT    INSERT                  1 {}  1
 18 ROLLBACK INSERT                  1 {}  {}
} {
  do_test conflict-1.$i {
    if {$conf!=""} {set conf "ON CONFLICT $conf"}
    set r0 [catch {execsql [subst {
      DELETE FROM t1;
      DELETE FROM t2;
      INSERT INTO t1 VALUES(1,2,3);
      BEGIN $conf;
      INSERT INTO t2 VALUES(1);
      $cmd INTO t1 VALUES(1,2,4);
    }]} r1]
    catch {execsql {COMMIT}}
    if {$r0} {set r1 {}} {set r1 [execsql {SELECT c FROM t1}]}
    set r2 [execsql {SELECT x FROM t2}]
    list $r0 $r1 $r2
  } [list $t0 $t1 $t2]
}

# Create tables for the first group of tests.
#
do_test conflict-2.0 {
  execsql {
    DROP TABLE t1;
    DROP TABLE t2;
    CREATE TABLE t1(a INTEGER PRIMARY KEY, b, c, UNIQUE(a,b));
    CREATE TABLE t2(x);
    SELECT c FROM t1 ORDER BY c;
  }
} {}

# Six columns of configuration data as follows:
#
#   i      The reference number of the test
#   conf   The conflict resolution algorithm on the BEGIN statement
#   cmd    An INSERT or REPLACE command to execute against table t1
#   t0     True if there is an error from $cmd
#   t1     Content of "c" column of t1 assuming no error in $cmd
#   t2     Content of "x" column of t2
#
foreach {i conf cmd t0 t1 t2} {
  1 {}       INSERT                  1 {}  1
  2 {}       {INSERT OR IGNORE}      0 3   1
  3 {}       {INSERT OR REPLACE}     0 4   1
  4 {}       REPLACE                 0 4   1
  5 {}       {INSERT OR FAIL}        1 {}  1
  6 {}       {INSERT OR ABORT}       1 {}  1
  7 {}       {INSERT OR ROLLBACK}    1 {}  {}
  8 IGNORE   INSERT                  0 3   1
  9 IGNORE   {INSERT OR IGNORE}      0 3   1
 10 IGNORE   {INSERT OR REPLACE}     0 4   1
 11 IGNORE   REPLACE                 0 4   1
 12 IGNORE   {INSERT OR FAIL}        1 {}  1
 13 IGNORE   {INSERT OR ABORT}       1 {}  1
 14 IGNORE   {INSERT OR ROLLBACK}    1 {}  {}
 15 REPLACE  INSERT                  0 4   1
 16 FAIL     INSERT                  1 {}  1
 17 ABORT    INSERT                  1 {}  1
 18 ROLLBACK INSERT                  1 {}  {}
} {
  do_test conflict-2.$i {
    if {$conf!=""} {set conf "ON CONFLICT $conf"}
    set r0 [catch {execsql [subst {
      DELETE FROM t1;
      DELETE FROM t2;
      INSERT INTO t1 VALUES(1,2,3);
      BEGIN $conf;
      INSERT INTO t2 VALUES(1);
      $cmd INTO t1 VALUES(1,2,4);
    }]} r1]
    catch {execsql {COMMIT}}
    if {$r0} {set r1 {}} {set r1 [execsql {SELECT c FROM t1}]}
    set r2 [execsql {SELECT x FROM t2}]
    list $r0 $r1 $r2
  } [list $t0 $t1 $t2]
}

# Create tables for the first group of tests.
#
do_test conflict-3.0 {
  execsql {
    DROP TABLE t1;
    DROP TABLE t2;
    CREATE TABLE t1(a, b, c INTEGER PRIMARY KEY, UNIQUE(a,b));
    CREATE TABLE t2(x);
    SELECT c FROM t1 ORDER BY c;
  }
} {}

# Six columns of configuration data as follows:
#
#   i      The reference number of the test
#   conf   The conflict resolution algorithm on the BEGIN statement
#   cmd    An INSERT or REPLACE command to execute against table t1
#   t0     True if there is an error from $cmd
#   t1     Content of "c" column of t1 assuming no error in $cmd
#   t2     Content of "x" column of t2
#
foreach {i conf cmd t0 t1 t2} {
  1 {}       INSERT                  1 {}  1
  2 {}       {INSERT OR IGNORE}      0 3   1
  3 {}       {INSERT OR REPLACE}     0 4   1
  4 {}       REPLACE                 0 4   1
  5 {}       {INSERT OR FAIL}        1 {}  1
  6 {}       {INSERT OR ABORT}       1 {}  1
  7 {}       {INSERT OR ROLLBACK}    1 {}  {}
  8 IGNORE   INSERT                  0 3   1
  9 IGNORE   {INSERT OR IGNORE}      0 3   1
 10 IGNORE   {INSERT OR REPLACE}     0 4   1
 11 IGNORE   REPLACE                 0 4   1
 12 IGNORE   {INSERT OR FAIL}        1 {}  1
 13 IGNORE   {INSERT OR ABORT}       1 {}  1
 14 IGNORE   {INSERT OR ROLLBACK}    1 {}  {}
 15 REPLACE  INSERT                  0 4   1
 16 FAIL     INSERT                  1 {}  1
 17 ABORT    INSERT                  1 {}  1
 18 ROLLBACK INSERT                  1 {}  {}
} {
  do_test conflict-3.$i {
    if {$conf!=""} {set conf "ON CONFLICT $conf"}
    set r0 [catch {execsql [subst {
      DELETE FROM t1;
      DELETE FROM t2;
      INSERT INTO t1 VALUES(1,2,3);
      BEGIN $conf;
      INSERT INTO t2 VALUES(1);
      $cmd INTO t1 VALUES(1,2,4);
    }]} r1]
    catch {execsql {COMMIT}}
    if {$r0} {set r1 {}} {set r1 [execsql {SELECT c FROM t1}]}
    set r2 [execsql {SELECT x FROM t2}]
    list $r0 $r1 $r2
  } [list $t0 $t1 $t2]
}

do_test conflict-4.0 {
  execsql {
    DROP TABLE t2;
    CREATE TABLE t2(x);
    SELECT x FROM t2;
  }
} {}

# Six columns of configuration data as follows:
#
#   i      The reference number of the test
#   conf1  The conflict resolution algorithm on the UNIQUE constraint
#   conf2  The conflict resolution algorithm on the BEGIN statement
#   cmd    An INSERT or REPLACE command to execute against table t1
#   t0     True if there is an error from $cmd
#   t1     Content of "c" column of t1 assuming no error in $cmd
#   t2     Content of "x" column of t2
#
foreach {i conf1 conf2 cmd t0 t1 t2} {
  1 {}       {}       INSERT                  1 {}  1
  2 REPLACE  {}       INSERT                  0 4   1
  3 IGNORE   {}       INSERT                  0 3   1
  4 FAIL     {}       INSERT                  1 {}  1
  5 ABORT    {}       INSERT                  1 {}  1
  6 ROLLBACK {}       INSERT                  1 {}  {}
  7 REPLACE  {}       {INSERT OR IGNORE}      0 3   1
  8 IGNORE   {}       {INSERT OR REPLACE}     0 4   1
  9 FAIL     {}       {INSERT OR IGNORE}      0 3   1
 10 ABORT    {}       {INSERT OR REPLACE}     0 4   1
 11 ROLLBACK {}       {INSERT OR IGNORE }     0 3   1
 12 REPLACE  IGNORE   INSERT                  0 4   1
 13 IGNORE   REPLACE  INSERT                  0 3   1
 14 FAIL     IGNORE   INSERT                  1 {}  1
 15 ABORT    REPLACE  INSERT                  1 {}  1
 16 ROLLBACK IGNORE   INSERT                  1 {}  {}
} {
  do_test conflict-4.$i {
    if {$conf1!=""} {set conf1 "ON CONFLICT $conf1"}
    if {$conf2!=""} {set conf2 "ON CONFLICT $conf2"}
    set r0 [catch {execsql [subst {
      DROP TABLE t1;
      CREATE TABLE t1(a,b,c,UNIQUE(a,b) $conf1);
      DELETE FROM t2;
      INSERT INTO t1 VALUES(1,2,3);
      BEGIN $conf2;
      INSERT INTO t2 VALUES(1);
      $cmd INTO t1 VALUES(1,2,4);
    }]} r1]
    catch {execsql {COMMIT}}
    if {$r0} {set r1 {}} {set r1 [execsql {SELECT c FROM t1}]}
    set r2 [execsql {SELECT x FROM t2}]
    list $r0 $r1 $r2
  } [list $t0 $t1 $t2]
}

do_test conflict-5.0 {
  execsql {
    DROP TABLE t2;
    CREATE TABLE t2(x);
    SELECT x FROM t2;
  }
} {}

# Six columns of configuration data as follows:
#
#   i      The reference number of the test
#   conf1  The conflict resolution algorithm on the NOT NULL constraint
#   conf2  The conflict resolution algorithm on the BEGIN statement
#   cmd    An INSERT or REPLACE command to execute against table t1
#   t0     True if there is an error from $cmd
#   t1     Content of "c" column of t1 assuming no error in $cmd
#   t2     Content of "x" column of t2
#
foreach {i conf1 conf2 cmd t0 t1 t2} {
  1 {}       {}       INSERT                  1 {}  1
  2 REPLACE  {}       INSERT                  0 5   1
  3 IGNORE   {}       INSERT                  0 {}  1
  4 FAIL     {}       INSERT                  1 {}  1
  5 ABORT    {}       INSERT                  1 {}  1
  6 ROLLBACK {}       INSERT                  1 {}  {}
  7 REPLACE  {}       {INSERT OR IGNORE}      0 {}  1
  8 IGNORE   {}       {INSERT OR REPLACE}     0 5   1
  9 FAIL     {}       {INSERT OR IGNORE}      0 {}  1
 10 ABORT    {}       {INSERT OR REPLACE}     0 5   1
 11 ROLLBACK {}       {INSERT OR IGNORE}      0 {}  1
 12 {}       {}       {INSERT OR IGNORE}      0 {}  1
 13 {}       {}       {INSERT OR REPLACE}     0 5   1
 14 {}       {}       {INSERT OR FAIL}        1 {}  1
 15 {}       {}       {INSERT OR ABORT}       1 {}  1
 16 {}       {}       {INSERT OR ROLLBACK}    1 {}  {}
 17 {}       IGNORE   INSERT                  0 {}  1
 18 {}       REPLACE  INSERT                  0 5   1
 19 {}       FAIL     INSERT                  1 {}  1
 20 {}       ABORT    INSERT                  1 {}  1
 21 {}       ROLLBACK INSERT                  1 {}  {}
 22 REPLACE  FAIL     INSERT                  0 5   1
 23 IGNORE   ROLLBACK INSERT                  0 {}  1
} {
  if {$t0} {set t1 {constraint failed}}
  do_test conflict-5.$i {
    if {$conf1!=""} {set conf1 "ON CONFLICT $conf1"}
    if {$conf2!=""} {set conf2 "ON CONFLICT $conf2"}
    set r0 [catch {execsql [subst {
      DROP TABLE t1;
      CREATE TABLE t1(a,b,c NOT NULL $conf1 DEFAULT 5);
      DELETE FROM t2;
      BEGIN $conf2;
      INSERT INTO t2 VALUES(1);
      $cmd INTO t1 VALUES(1,2,NULL);
    }]} r1]
    catch {execsql {COMMIT}}
    if {!$r0} {set r1 [execsql {SELECT c FROM t1}]}
    set r2 [execsql {SELECT x FROM t2}]
    list $r0 $r1 $r2
  } [list $t0 $t1 $t2]
}

do_test conflict-6.0 {
  execsql {
    DROP TABLE t2;
    CREATE TABLE t2(a,b,c);
    INSERT INTO t2 VALUES(1,2,1);
    INSERT INTO t2 VALUES(2,3,2);
    INSERT INTO t2 VALUES(3,4,1);
    INSERT INTO t2 VALUES(4,5,4);
    SELECT c FROM t2 ORDER BY b;
    CREATE TABLE t3(x);
    INSERT INTO t3 VALUES(1);
  }
} {1 2 1 4}

# Six columns of configuration data as follows:
#
#   i      The reference number of the test
#   conf1  The conflict resolution algorithm on the UNIQUE constraint
#   conf2  The conflict resolution algorithm on the BEGIN statement
#   cmd    An UPDATE command to execute against table t1
#   t0     True if there is an error from $cmd
#   t1     Content of "b" column of t1 assuming no error in $cmd
#   t2     Content of "x" column of t3
#
foreach {i conf1 conf2 cmd t0 t1 t2} {
  1 {}       {}       UPDATE                  1 {6 7 8 9}  1
  2 REPLACE  {}       UPDATE                  0 {7 6 9}    1
  3 IGNORE   {}       UPDATE                  0 {6 7 3 9}  1
  4 FAIL     {}       UPDATE                  1 {6 7 3 4}  1
  5 ABORT    {}       UPDATE                  1 {1 2 3 4}  1
  6 ROLLBACK {}       UPDATE                  1 {1 2 3 4}  0
  7 REPLACE  {}       {UPDATE OR IGNORE}      0 {6 7 3 9}  1
  8 IGNORE   {}       {UPDATE OR REPLACE}     0 {7 6 9}    1
  9 FAIL     {}       {UPDATE OR IGNORE}      0 {6 7 3 9}  1
 10 ABORT    {}       {UPDATE OR REPLACE}     0 {7 6 9}    1
 11 ROLLBACK {}       {UPDATE OR IGNORE}      0 {6 7 3 9}   1
 12 {}       {}       {UPDATE OR IGNORE}      0 {6 7 3 9}  1
 13 {}       {}       {UPDATE OR REPLACE}     0 {7 6 9}    1
 14 {}       {}       {UPDATE OR FAIL}        1 {6 7 3 4}  1
 15 {}       {}       {UPDATE OR ABORT}       1 {1 2 3 4}  1
 16 {}       {}       {UPDATE OR ROLLBACK}    1 {1 2 3 4}  0
 17 {}       IGNORE   UPDATE                  0 {6 7 3 9}  1
 18 {}       REPLACE  UPDATE                  0 {7 6 9}    1
 19 {}       FAIL     UPDATE                  1 {6 7 3 4}  1
 20 {}       ABORT    UPDATE                  1 {1 2 3 4}  1
 21 {}       ROLLBACK UPDATE                  1 {1 2 3 4}  0
 22 REPLACE  FAIL     UPDATE                  0 {7 6 9}    1
 23 IGNORE   ROLLBACK UPDATE                  0 {6 7 3 9}  1
} {
  if {$t0} {set t1 {constraint failed}}
  do_test conflict-6.$i {
    if {$conf1!=""} {set conf1 "ON CONFLICT $conf1"}
    if {$conf2!=""} {set conf2 "ON CONFLICT $conf2"}
    set r0 [catch {execsql [subst {
      DROP TABLE t1;
      CREATE TABLE t1(a,b,c, UNIQUE(a) $conf1);
      INSERT INTO t1 SELECT * FROM t2;
      UPDATE t3 SET x=0;
      BEGIN $conf2;
      $cmd t3 SET x=1;
      $cmd t1 SET b=b*2;
      $cmd t1 SET a=c+5;
    }]} r1]
    catch {execsql {COMMIT}}
    if {!$r0} {set r1 [execsql {SELECT a FROM t1 ORDER BY b}]}
    set r2 [execsql {SELECT x FROM t3}]
    list $r0 $r1 $r2
  } [list $t0 $t1 $t2]
}

# Test to make sure a lot of IGNOREs don't cause a stack overflow
#
do_test conflict-7.1 {
  execsql {
    DROP TABLE t1;
    DROP TABLE t2;
    DROP TABLE t3;
    CREATE TABLE t1(a unique, b);
  }
  for {set i 1} {$i<=50} {incr i} {
    execsql "INSERT into t1 values($i,[expr {$i+1}]);"
  }
  execsql {
    SELECT count(*), min(a), max(b) FROM t1;
  }
} {50 1 51}
do_test conflict-7.2 {
  execsql {
    PRAGMA count_changes=on;
    UPDATE OR IGNORE t1 SET a=1000;
  }
} {1}
do_test conflict-7.2.1 {
  db changes
} {1}
do_test conflict-7.3 {
  execsql {
    SELECT b FROM t1 WHERE a=1000;
  }
} {2}
do_test conflict-7.4 {
  execsql {
    SELECT count(*) FROM t1;
  }
} {50}
do_test conflict-7.5 {
  execsql {
    PRAGMA count_changes=on;
    UPDATE OR REPLACE t1 SET a=1001;
  }
} {50}
do_test conflict-7.5.1 {
  db changes
} {50}
do_test conflict-7.6 {
  execsql {
    SELECT b FROM t1 WHERE a=1001;
  }
} {51}
do_test conflict-7.7 {
  execsql {
    SELECT count(*) FROM t1;
  }
} {1}
do_test conflict-7.7.1 {
  db changes
} {0}

# Make sure the row count is right for rows that are ignored on
# an insert.
#
do_test conflict-8.1 {
  execsql {
    DELETE FROM t1;
    INSERT INTO t1 VALUES(1,2);
  }
  execsql {
    INSERT OR IGNORE INTO t1 VALUES(2,3);
  }
} {1}
do_test conflict-8.1.1 {
  db changes
} {1}
do_test conflict-8.2 {
  execsql {
    INSERT OR IGNORE INTO t1 VALUES(2,4);
  }
} {0}
do_test conflict-8.2.1 {
  db changes
} {0}
do_test conflict-8.3 {
  execsql {
    INSERT OR REPLACE INTO t1 VALUES(2,4);
  }
} {1}
do_test conflict-8.3.1 {
  db changes
} {1}
do_test conflict-8.4 {
  execsql {
    INSERT OR IGNORE INTO t1 SELECT * FROM t1;
  }
} {0}
do_test conflict-8.4.1 {
  db changes
} {0}
do_test conflict-8.5 {
  execsql {
    INSERT OR IGNORE INTO t1 SELECT a+2,b+2 FROM t1;
  }
} {2}
do_test conflict-8.5.1 {
  db changes
} {2}
do_test conflict-8.6 {
  execsql {
    INSERT OR IGNORE INTO t1 SELECT a+3,b+3 FROM t1;
  }
} {3}
do_test conflict-8.6.1 {
  db changes
} {3}

integrity_check conflict-8.99

do_test conflict-9.1 {
  execsql {
    PRAGMA count_changes=0;
    CREATE TABLE t2(
      a INTEGER UNIQUE ON CONFLICT IGNORE,
      b INTEGER UNIQUE ON CONFLICT FAIL,
      c INTEGER UNIQUE ON CONFLICT REPLACE,
      d INTEGER UNIQUE ON CONFLICT ABORT,
      e INTEGER UNIQUE ON CONFLICT ROLLBACK
    );
    CREATE TABLE t3(x);
    INSERT INTO t3 VALUES(1);
    SELECT * FROM t3;
  }
} {1}
do_test conflict-9.2 {
  catchsql {
    INSERT INTO t2 VALUES(1,1,1,1,1);
    INSERT INTO t2 VALUES(2,2,2,2,2);
    SELECT * FROM t2;
  }
} {0 {1 1 1 1 1 2 2 2 2 2}}
do_test conflict-9.3 {
  catchsql {
    INSERT INTO t2 VALUES(1,3,3,3,3);
    SELECT * FROM t2;
  }
} {0 {1 1 1 1 1 2 2 2 2 2}}
do_test conflict-9.4 {
  catchsql {
    UPDATE t2 SET a=a+1 WHERE a=1;
    SELECT * FROM t2;
  }
} {0 {1 1 1 1 1 2 2 2 2 2}}
do_test conflict-9.5 {
  catchsql {
    INSERT INTO t2 VALUES(3,1,3,3,3);
    SELECT * FROM t2;
  }
} {1 {constraint failed}}
do_test conflict-9.6 {
  catchsql {
    UPDATE t2 SET b=b+1 WHERE b=1;
    SELECT * FROM t2;
  }
} {1 {constraint failed}}
do_test conflict-9.7 {
  catchsql {
    BEGIN;
    UPDATE t3 SET x=x+1;
    INSERT INTO t2 VALUES(3,1,3,3,3);
    SELECT * FROM t2;
  }
} {1 {constraint failed}}
do_test conflict-9.8 {
  execsql {COMMIT}
  execsql {SELECT * FROM t3}
} {2}
do_test conflict-9.6 {
  catchsql {
    BEGIN;
    UPDATE t3 SET x=x+1;
    UPDATE t2 SET b=b+1 WHERE b=1;
    SELECT * FROM t2;
  }
} {1 {constraint failed}}
do_test conflict-9.10 {
  execsql {COMMIT}
  execsql {SELECT * FROM t3}
} {3}
do_test conflict-9.11 {
  catchsql {
    INSERT INTO t2 VALUES(3,3,3,1,3);
    SELECT * FROM t2;
  }
} {1 {constraint failed}}
do_test conflict-9.12 {
  catchsql {
    UPDATE t2 SET d=d+1 WHERE d=1;
    SELECT * FROM t2;
  }
} {1 {constraint failed}}
do_test conflict-9.13 {
  catchsql {
    BEGIN;
    UPDATE t3 SET x=x+1;
    INSERT INTO t2 VALUES(3,3,3,1,3);
    SELECT * FROM t2;
  }
} {1 {constraint failed}}
do_test conflict-9.14 {
  execsql {COMMIT}
  execsql {SELECT * FROM t3}
} {4}
do_test conflict-9.15 {
  catchsql {
    BEGIN;
    UPDATE t3 SET x=x+1;
    UPDATE t2 SET d=d+1 WHERE d=1;
    SELECT * FROM t2;
  }
} {1 {constraint failed}}
do_test conflict-9.16 {
  execsql {COMMIT}
  execsql {SELECT * FROM t3}
} {5}
do_test conflict-9.17 {
  catchsql {
    INSERT INTO t2 VALUES(3,3,3,3,1);
    SELECT * FROM t2;
  }
} {1 {constraint failed}}
do_test conflict-9.18 {
  catchsql {
    UPDATE t2 SET e=e+1 WHERE e=1;
    SELECT * FROM t2;
  }
} {1 {constraint failed}}
do_test conflict-9.19 {
  catchsql {
    BEGIN;
    UPDATE t3 SET x=x+1;
    INSERT INTO t2 VALUES(3,3,3,3,1);
    SELECT * FROM t2;
  }
} {1 {constraint failed}}
do_test conflict-9.20 {
  catch {execsql {COMMIT}}
  execsql {SELECT * FROM t3}
} {5}
do_test conflict-9.21 {
  catchsql {
    BEGIN;
    UPDATE t3 SET x=x+1;
    UPDATE t2 SET e=e+1 WHERE e=1;
    SELECT * FROM t2;
  }
} {1 {constraint failed}}
do_test conflict-9.22 {
  catch {execsql {COMMIT}}
  execsql {SELECT * FROM t3}
} {5}
do_test conflict-9.23 {
  catchsql {
    INSERT INTO t2 VALUES(3,3,1,3,3);
    SELECT * FROM t2;
  }
} {0 {2 2 2 2 2 3 3 1 3 3}}
do_test conflict-9.24 {
  catchsql {
    UPDATE t2 SET c=c-1 WHERE c=2;
    SELECT * FROM t2;
  }
} {0 {2 2 1 2 2}}
do_test conflict-9.25 {
  catchsql {
    BEGIN;
    UPDATE t3 SET x=x+1;
    INSERT INTO t2 VALUES(3,3,1,3,3);
    SELECT * FROM t2;
  }
} {0 {3 3 1 3 3}}
do_test conflict-9.26 {
  catch {execsql {COMMIT}}
  execsql {SELECT * FROM t3}
} {6}

finish_test