# 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 script is database locks.

#

# $Id: trans.test,v 1.38 2008/04/19 20:34:19 drh Exp $

set testdir [file dirname $argv0]

source $testdir/tester.tcl

# Create several tables to work with.

#

do_test trans-1.0 {

  execsql {

    CREATE TABLE one(a int PRIMARY KEY, b text);

    INSERT INTO one VALUES(1,'one');

    INSERT INTO one VALUES(2,'two');

    INSERT INTO one VALUES(3,'three');

    SELECT b FROM one ORDER BY a;

  }

} {one two three}

integrity_check trans-1.0.1

do_test trans-1.1 {

  execsql {

    CREATE TABLE two(a int PRIMARY KEY, b text);

    INSERT INTO two VALUES(1,'I');

    INSERT INTO two VALUES(5,'V');

    INSERT INTO two VALUES(10,'X');

    SELECT b FROM two ORDER BY a;

  }

} {I V X}

do_test trans-1.9 {

  sqlite3 altdb test.db

  execsql {SELECT b FROM one ORDER BY a} altdb

} {one two three}

do_test trans-1.10 {

  execsql {SELECT b FROM two ORDER BY a} altdb

} {I V X}

integrity_check trans-1.11

# Basic transactions

#

do_test trans-2.1 {

  set v [catch {execsql {BEGIN}} msg]

  lappend v $msg

} {0 {}}

do_test trans-2.2 {

  set v [catch {execsql {END}} msg]

  lappend v $msg

} {0 {}}

do_test trans-2.3 {

  set v [catch {execsql {BEGIN TRANSACTION}} msg]

  lappend v $msg

} {0 {}}

do_test trans-2.4 {

  set v [catch {execsql {COMMIT TRANSACTION}} msg]

  lappend v $msg

} {0 {}}

do_test trans-2.5 {

  set v [catch {execsql {BEGIN TRANSACTION 'foo'}} msg]

  lappend v $msg

} {0 {}}

do_test trans-2.6 {

  set v [catch {execsql {ROLLBACK TRANSACTION 'foo'}} msg]

  lappend v $msg

} {0 {}}

do_test trans-2.10 {

  execsql {

    BEGIN;

    SELECT a FROM one ORDER BY a;

    SELECT a FROM two ORDER BY a;

    END;

  }

} {1 2 3 1 5 10}

integrity_check trans-2.11

# Check the locking behavior

#

do_test trans-3.1 {

  execsql {

    BEGIN;

    UPDATE one SET a = 0 WHERE 0;

    SELECT a FROM one ORDER BY a;

  }

} {1 2 3}

do_test trans-3.2 {

  catchsql {

    SELECT a FROM two ORDER BY a;

  } altdb

} {0 {1 5 10}}

do_test trans-3.3 {

  catchsql {

    SELECT a FROM one ORDER BY a;

  } altdb

} {0 {1 2 3}}

do_test trans-3.4 {

  catchsql {

    INSERT INTO one VALUES(4,'four');

  }

} {0 {}}

do_test trans-3.5 {

  catchsql {

    SELECT a FROM two ORDER BY a;

  } altdb

} {0 {1 5 10}}

do_test trans-3.6 {

  catchsql {

    SELECT a FROM one ORDER BY a;

  } altdb

} {0 {1 2 3}}

do_test trans-3.7 {

  catchsql {

    INSERT INTO two VALUES(4,'IV');

  }

} {0 {}}

do_test trans-3.8 {

  catchsql {

    SELECT a FROM two ORDER BY a;

  } altdb

} {0 {1 5 10}}

do_test trans-3.9 {

  catchsql {

    SELECT a FROM one ORDER BY a;

  } altdb

} {0 {1 2 3}}

do_test trans-3.10 {

  execsql {END TRANSACTION}

} {}

do_test trans-3.11 {

  set v [catch {execsql {

    SELECT a FROM two ORDER BY a;

  } altdb} msg]

  lappend v $msg

} {0 {1 4 5 10}}

do_test trans-3.12 {

  set v [catch {execsql {

    SELECT a FROM one ORDER BY a;

  } altdb} msg]

  lappend v $msg

} {0 {1 2 3 4}}

do_test trans-3.13 {

  set v [catch {execsql {

    SELECT a FROM two ORDER BY a;

  } db} msg]

  lappend v $msg

} {0 {1 4 5 10}}

do_test trans-3.14 {

  set v [catch {execsql {

    SELECT a FROM one ORDER BY a;

  } db} msg]

  lappend v $msg

} {0 {1 2 3 4}}

integrity_check trans-3.15

do_test trans-4.1 {

  set v [catch {execsql {

    COMMIT;

  } db} msg]

  lappend v $msg

} {1 {cannot commit - no transaction is active}}

do_test trans-4.2 {

  set v [catch {execsql {

    ROLLBACK;

  } db} msg]

  lappend v $msg

} {1 {cannot rollback - no transaction is active}}

do_test trans-4.3 {

  catchsql {

    BEGIN TRANSACTION;

    UPDATE two SET a = 0 WHERE 0;

    SELECT a FROM two ORDER BY a;

  } db

} {0 {1 4 5 10}}

do_test trans-4.4 {

  catchsql {

    SELECT a FROM two ORDER BY a;

  } altdb

} {0 {1 4 5 10}}

do_test trans-4.5 {

  catchsql {

    SELECT a FROM one ORDER BY a;

  } altdb

} {0 {1 2 3 4}}

do_test trans-4.6 {

  catchsql {

    BEGIN TRANSACTION;

    SELECT a FROM one ORDER BY a;

  } db

} {1 {cannot start a transaction within a transaction}}

do_test trans-4.7 {

  catchsql {

    SELECT a FROM two ORDER BY a;

  } altdb

} {0 {1 4 5 10}}

do_test trans-4.8 {

  catchsql {

    SELECT a FROM one ORDER BY a;

  } altdb

} {0 {1 2 3 4}}

do_test trans-4.9 {

  set v [catch {execsql {

    END TRANSACTION;

    SELECT a FROM two ORDER BY a;

  } db} msg]

  lappend v $msg

} {0 {1 4 5 10}}

do_test trans-4.10 {

  set v [catch {execsql {

    SELECT a FROM two ORDER BY a;

  } altdb} msg]

  lappend v $msg

} {0 {1 4 5 10}}

do_test trans-4.11 {

  set v [catch {execsql {

    SELECT a FROM one ORDER BY a;

  } altdb} msg]

  lappend v $msg

} {0 {1 2 3 4}}

integrity_check trans-4.12

do_test trans-4.98 {

  altdb close

  execsql {

    DROP TABLE one;

    DROP TABLE two;

  }

} {}

integrity_check trans-4.99

# Check out the commit/rollback behavior of the database

#

do_test trans-5.1 {

  execsql {SELECT name FROM sqlite_master WHERE type='table' ORDER BY name}

} {}

do_test trans-5.2 {

  execsql {BEGIN TRANSACTION}

  execsql {SELECT name FROM sqlite_master WHERE type='table' ORDER BY name}

} {}

do_test trans-5.3 {

  execsql {CREATE TABLE one(a text, b int)}

  execsql {SELECT name FROM sqlite_master WHERE type='table' ORDER BY name}

} {one}

do_test trans-5.4 {

  execsql {SELECT a,b FROM one ORDER BY b}

} {}

do_test trans-5.5 {

  execsql {INSERT INTO one(a,b) VALUES('hello', 1)}

  execsql {SELECT a,b FROM one ORDER BY b}

} {hello 1}

do_test trans-5.6 {

  execsql {ROLLBACK}

  execsql {SELECT name FROM sqlite_master WHERE type='table' ORDER BY name}

} {}

do_test trans-5.7 {

  set v [catch {

    execsql {SELECT a,b FROM one ORDER BY b}

  } msg]

  lappend v $msg

} {1 {no such table: one}}

# Test commits and rollbacks of table CREATE TABLEs, CREATE INDEXs

# DROP TABLEs and DROP INDEXs

#

do_test trans-5.8 {

  execsql {

    SELECT name fROM sqlite_master 

    WHERE type='table' OR type='index'

    ORDER BY name

  }

} {}

do_test trans-5.9 {

  execsql {

    BEGIN TRANSACTION;

    CREATE TABLE t1(a int, b int, c int);

    SELECT name fROM sqlite_master 

    WHERE type='table' OR type='index'

    ORDER BY name;

  }

} {t1}

do_test trans-5.10 {

  execsql {

    CREATE INDEX i1 ON t1(a);

    SELECT name fROM sqlite_master 

    WHERE type='table' OR type='index'

    ORDER BY name;

  }

} {i1 t1}

do_test trans-5.11 {

  execsql {

    COMMIT;

    SELECT name fROM sqlite_master 

    WHERE type='table' OR type='index'

    ORDER BY name;

  }

} {i1 t1}

do_test trans-5.12 {

  execsql {

    BEGIN TRANSACTION;

    CREATE TABLE t2(a int, b int, c int);

    CREATE INDEX i2a ON t2(a);

    CREATE INDEX i2b ON t2(b);

    DROP TABLE t1;

    SELECT name fROM sqlite_master 

    WHERE type='table' OR type='index'

    ORDER BY name;

  }

} {i2a i2b t2}

do_test trans-5.13 {

  execsql {

    ROLLBACK;

    SELECT name fROM sqlite_master 

    WHERE type='table' OR type='index'

    ORDER BY name;

  }

} {i1 t1}

do_test trans-5.14 {

  execsql {

    BEGIN TRANSACTION;

    DROP INDEX i1;

    SELECT name fROM sqlite_master 

    WHERE type='table' OR type='index'

    ORDER BY name;

  }

} {t1}

do_test trans-5.15 {

  execsql {

    ROLLBACK;

    SELECT name fROM sqlite_master 

    WHERE type='table' OR type='index'

    ORDER BY name;

  }

} {i1 t1}

do_test trans-5.16 {

  execsql {

    BEGIN TRANSACTION;

    DROP INDEX i1;

    CREATE TABLE t2(x int, y int, z int);

    CREATE INDEX i2x ON t2(x);

    CREATE INDEX i2y ON t2(y);

    INSERT INTO t2 VALUES(1,2,3);

    SELECT name fROM sqlite_master 

    WHERE type='table' OR type='index'

    ORDER BY name;

  }

} {i2x i2y t1 t2}

do_test trans-5.17 {

  execsql {

    COMMIT;

    SELECT name fROM sqlite_master 

    WHERE type='table' OR type='index'

    ORDER BY name;

  }

} {i2x i2y t1 t2}

do_test trans-5.18 {

  execsql {

    SELECT * FROM t2;

  }

} {1 2 3}

do_test trans-5.19 {

  execsql {

    SELECT x FROM t2 WHERE y=2;

  }

} {1}

do_test trans-5.20 {

  execsql {

    BEGIN TRANSACTION;

    DROP TABLE t1;

    DROP TABLE t2;

    SELECT name fROM sqlite_master 

    WHERE type='table' OR type='index'

    ORDER BY name;

  }

} {}

do_test trans-5.21 {

  set r [catch {execsql {

    SELECT * FROM t2

  }} msg]

  lappend r $msg

} {1 {no such table: t2}}

do_test trans-5.22 {

  execsql {

    ROLLBACK;

    SELECT name fROM sqlite_master 

    WHERE type='table' OR type='index'

    ORDER BY name;

  }

} {i2x i2y t1 t2}

do_test trans-5.23 {

  execsql {

    SELECT * FROM t2;

  }

} {1 2 3}

integrity_check trans-5.23

# Try to DROP and CREATE tables and indices with the same name

# within a transaction.  Make sure ROLLBACK works.

#

do_test trans-6.1 {

  execsql2 {

    INSERT INTO t1 VALUES(1,2,3);

    BEGIN TRANSACTION;

    DROP TABLE t1;

    CREATE TABLE t1(p,q,r);

    ROLLBACK;

    SELECT * FROM t1;

  }

} {a 1 b 2 c 3}

do_test trans-6.2 {

  execsql2 {

    INSERT INTO t1 VALUES(1,2,3);

    BEGIN TRANSACTION;

    DROP TABLE t1;

    CREATE TABLE t1(p,q,r);

    COMMIT;

    SELECT * FROM t1;

  }

} {}

do_test trans-6.3 {

  execsql2 {

    INSERT INTO t1 VALUES(1,2,3);

    SELECT * FROM t1;

  }

} {p 1 q 2 r 3}

do_test trans-6.4 {

  execsql2 {

    BEGIN TRANSACTION;

    DROP TABLE t1;

    CREATE TABLE t1(a,b,c);

    INSERT INTO t1 VALUES(4,5,6);

    SELECT * FROM t1;

    DROP TABLE t1;

  }

} {a 4 b 5 c 6}

do_test trans-6.5 {

  execsql2 {

    ROLLBACK;

    SELECT * FROM t1;

  }

} {p 1 q 2 r 3}

do_test trans-6.6 {

  execsql2 {

    BEGIN TRANSACTION;

    DROP TABLE t1;

    CREATE TABLE t1(a,b,c);

    INSERT INTO t1 VALUES(4,5,6);

    SELECT * FROM t1;

    DROP TABLE t1;

  }

} {a 4 b 5 c 6}

do_test trans-6.7 {

  catchsql {

    COMMIT;

    SELECT * FROM t1;

  }

} {1 {no such table: t1}}

# Repeat on a table with an automatically generated index.

#

do_test trans-6.10 {

  execsql2 {

    CREATE TABLE t1(a unique,b,c);

    INSERT INTO t1 VALUES(1,2,3);

    BEGIN TRANSACTION;

    DROP TABLE t1;

    CREATE TABLE t1(p unique,q,r);

    ROLLBACK;

    SELECT * FROM t1;

  }

} {a 1 b 2 c 3}

do_test trans-6.11 {

  execsql2 {

    BEGIN TRANSACTION;

    DROP TABLE t1;

    CREATE TABLE t1(p unique,q,r);

    COMMIT;

    SELECT * FROM t1;

  }

} {}

do_test trans-6.12 {

  execsql2 {

    INSERT INTO t1 VALUES(1,2,3);

    SELECT * FROM t1;

  }

} {p 1 q 2 r 3}

do_test trans-6.13 {

  execsql2 {

    BEGIN TRANSACTION;

    DROP TABLE t1;

    CREATE TABLE t1(a unique,b,c);

    INSERT INTO t1 VALUES(4,5,6);

    SELECT * FROM t1;

    DROP TABLE t1;

  }

} {a 4 b 5 c 6}

do_test trans-6.14 {

  execsql2 {

    ROLLBACK;

    SELECT * FROM t1;

  }

} {p 1 q 2 r 3}

do_test trans-6.15 {

  execsql2 {

    BEGIN TRANSACTION;

    DROP TABLE t1;

    CREATE TABLE t1(a unique,b,c);

    INSERT INTO t1 VALUES(4,5,6);

    SELECT * FROM t1;

    DROP TABLE t1;

  }

} {a 4 b 5 c 6}

do_test trans-6.16 {

  catchsql {

    COMMIT;

    SELECT * FROM t1;

  }

} {1 {no such table: t1}}