[sql] Remove SQLite 3.10.2 reference directory.

third_party/sqlite/sqlite-src-3100200/test/e_changes.test

-# 2011 October 28
-#
-# 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.
-#
-#***********************************************************************
-#
-
-set testdir [file dirname $argv0]
-source $testdir/tester.tcl
-set testprefix e_changes
-
-# Like [do_execsql_test], except it appends the value returned by 
-# [db changes] to the result of executing the SQL script.
-#
-proc do_changes_test {tn sql res} {
-  uplevel [list \
-    do_test $tn "concat \[execsql {$sql}\] \[db changes\]" $res
-  ]
-}
-
-
-#--------------------------------------------------------------------------
-# EVIDENCE-OF: R-15996-49369 This function returns the number of rows
-# modified, inserted or deleted by the most recently completed INSERT,
-# UPDATE or DELETE statement on the database connection specified by the
-# only parameter.
-#
-do_execsql_test 1.0 {
-  CREATE TABLE t1(a, b);
-  CREATE TABLE t2(x, y, PRIMARY KEY(x, y)) WITHOUT ROWID;
-  CREATE INDEX i1 ON t1(a);
-  CREATE INDEX i2 ON t2(y);
-}
-foreach {tn schema} {
-  1 { 
-      CREATE TABLE t1(a, b);
-      CREATE INDEX i1 ON t1(b);
-  }
-  2 { 
-      CREATE TABLE t1(a, b, PRIMARY KEY(a, b)) WITHOUT ROWID;
-      CREATE INDEX i1 ON t1(b);
-  }
-} {
-  reset_db
-  execsql $schema
-
-  # Insert 1 row.
-  do_changes_test 1.$tn.1 { INSERT INTO t1 VALUES(0, 0) } 1
-
-  # Insert 10 rows.
-  do_changes_test 1.$tn.2 {
-    WITH rows(i, j) AS (
-        SELECT 1, 1 UNION ALL SELECT i+1, j+i FROM rows WHERE i<10
-    )
-    INSERT INTO t1 SELECT * FROM rows
-  } 10
-
-  # Modify 5 rows.
-  do_changes_test 1.$tn.3 {
-    UPDATE t1 SET b=b+1 WHERE a<5;
-  } 5
-
-  # Delete 4 rows
-  do_changes_test 1.$tn.4 {
-    DELETE FROM t1 WHERE a>6
-  } 4
-
-  # Check the "on the database connecton specified" part of hte
-  # requirement - changes made by other connections do not show up in
-  # the return value of sqlite3_changes().
-  do_test 1.$tn.5 {
-    sqlite3 db2 test.db
-    execsql { INSERT INTO t1 VALUES(-1, -1) } db2
-    db2 changes
-  } 1
-  do_test 1.$tn.6 {
-    db changes
-  } 4
-  db2 close
-
-  # Test that statements that modify no rows because they hit UNIQUE
-  # constraints set the sqlite3_changes() value to 0. Regardless of
-  # whether or not they are executed inside an explicit transaction.
-  #
-  #   1.$tn.8-9: outside of a transaction
-  #   1.$tn.10-12: inside a transaction
-  #
-  do_changes_test 1.$tn.7 {
-    CREATE UNIQUE INDEX i2 ON t1(a);
-  } 4
-  do_catchsql_test 1.$tn.8 {
-    INSERT INTO t1 VALUES('a', 0), ('b', 0), ('c', 0), (0, 11);
-  } {1 {UNIQUE constraint failed: t1.a}}
-  do_test 1.$tn.9 { db changes } 0
-  do_catchsql_test 1.$tn.10 {
-    BEGIN;
-      INSERT INTO t1 VALUES('a', 0), ('b', 0), ('c', 0), (0, 11);
-  } {1 {UNIQUE constraint failed: t1.a}}
-  do_test 1.$tn.11 { db changes } 0
-  do_changes_test 1.$tn.12 COMMIT 0
-
-}
-
-
-#--------------------------------------------------------------------------
-# EVIDENCE-OF: R-44877-05564 Executing any other type of SQL statement
-# does not modify the value returned by this function.
-#
-reset_db
-do_changes_test 2.1 { CREATE TABLE t1(x)          } 0
-do_changes_test 2.2 { 
-  WITH d(y) AS (SELECT 1 UNION ALL SELECT y+1 FROM d WHERE y<47)
-  INSERT INTO t1 SELECT y FROM d;
-} 47
-
-# The statement above set changes() to 47. Check that none of the following
-# modify this.
-do_changes_test 2.3 { SELECT count(x) FROM t1 } {47 47}
-do_changes_test 2.4 { DROP TABLE t1               } 47
-do_changes_test 2.5 { CREATE TABLE t1(x)          } 47
-do_changes_test 2.6 { ALTER TABLE t1 ADD COLUMN b } 47
-
-
-#--------------------------------------------------------------------------
-# EVIDENCE-OF: R-53938-27527 Only changes made directly by the INSERT,
-# UPDATE or DELETE statement are considered - auxiliary changes caused
-# by triggers, foreign key actions or REPLACE constraint resolution are
-# not counted.
-#
-#   3.1.*: triggers
-#   3.2.*: foreign key actions
-#   3.3.*: replace constraints
-#
-reset_db
-do_execsql_test 3.1.0 {
-  CREATE TABLE log(x);
-  CREATE TABLE p1(one PRIMARY KEY, two);
-
-  CREATE TRIGGER tr_ai AFTER INSERT ON p1 BEGIN
-    INSERT INTO log VALUES('insert');
-  END;
-  CREATE TRIGGER tr_bd BEFORE DELETE ON p1 BEGIN
-    INSERT INTO log VALUES('delete');
-  END;
-  CREATE TRIGGER tr_au AFTER UPDATE ON p1 BEGIN
-    INSERT INTO log VALUES('update');
-  END;
-
-}
-
-do_changes_test 3.1.1 {
-  INSERT INTO p1 VALUES('a', 'A'), ('b', 'B'), ('c', 'C');
-} 3
-do_changes_test 3.1.2 {
-  UPDATE p1 SET two = two||two;
-} 3
-do_changes_test 3.1.3 {
-  DELETE FROM p1 WHERE one IN ('a', 'c');
-} 2
-do_execsql_test 3.1.4 {
-  -- None of the inserts on table log were counted.
-  SELECT count(*) FROM log
-} 8
-
-do_execsql_test 3.2.0 {
-  DELETE FROM p1;
-  INSERT INTO p1 VALUES('a', 'A'), ('b', 'B'), ('c', 'C');
-
-  CREATE TABLE c1(a, b, FOREIGN KEY(a) REFERENCES p1 ON DELETE SET NULL);
-  CREATE TABLE c2(a, b, FOREIGN KEY(a) REFERENCES p1 ON DELETE SET DEFAULT);
-  CREATE TABLE c3(a, b, FOREIGN KEY(a) REFERENCES p1 ON DELETE CASCADE);
-  INSERT INTO c1 VALUES('a', 'aaa');
-  INSERT INTO c2 VALUES('b', 'bbb');
-  INSERT INTO c3 VALUES('c', 'ccc');
-
-  INSERT INTO p1 VALUES('d', 'D'), ('e', 'E'), ('f', 'F');
-  CREATE TABLE c4(a, b, FOREIGN KEY(a) REFERENCES p1 ON UPDATE SET NULL);
-  CREATE TABLE c5(a, b, FOREIGN KEY(a) REFERENCES p1 ON UPDATE SET DEFAULT);
-  CREATE TABLE c6(a, b, FOREIGN KEY(a) REFERENCES p1 ON UPDATE CASCADE);
-  INSERT INTO c4 VALUES('d', 'aaa');
-  INSERT INTO c5 VALUES('e', 'bbb');
-  INSERT INTO c6 VALUES('f', 'ccc');
-
-  PRAGMA foreign_keys = ON;
-}
-
-do_changes_test 3.2.1 { DELETE FROM p1 WHERE one = 'a' } 1
-do_changes_test 3.2.2 { DELETE FROM p1 WHERE one = 'b' } 1
-do_changes_test 3.2.3 { DELETE FROM p1 WHERE one = 'c' } 1
-do_execsql_test 3.2.4 { 
-  SELECT * FROM c1;
-  SELECT * FROM c2;
-  SELECT * FROM c3;
-} {{} aaa {} bbb}
-
-do_changes_test 3.2.5 { UPDATE p1 SET one = 'g' WHERE one = 'd' } 1
-do_changes_test 3.2.6 { UPDATE p1 SET one = 'h' WHERE one = 'e' } 1
-do_changes_test 3.2.7 { UPDATE p1 SET one = 'i' WHERE one = 'f' } 1
-do_execsql_test 3.2.8 { 
-  SELECT * FROM c4;
-  SELECT * FROM c5;
-  SELECT * FROM c6;
-} {{} aaa {} bbb i ccc}
-
-do_execsql_test 3.3.0 {
-  CREATE TABLE r1(a UNIQUE, b UNIQUE);
-  INSERT INTO r1 VALUES('i', 'i');
-  INSERT INTO r1 VALUES('ii', 'ii');
-  INSERT INTO r1 VALUES('iii', 'iii');
-  INSERT INTO r1 VALUES('iv', 'iv');
-  INSERT INTO r1 VALUES('v', 'v');
-  INSERT INTO r1 VALUES('vi', 'vi');
-  INSERT INTO r1 VALUES('vii', 'vii');
-}
-
-do_changes_test 3.3.1 { INSERT OR REPLACE INTO r1 VALUES('i', 1)    }   1
-do_changes_test 3.3.2 { INSERT OR REPLACE INTO r1 VALUES('iv', 'v') }   1
-do_changes_test 3.3.3 { UPDATE OR REPLACE r1 SET b='v' WHERE a='iii' }  1
-do_changes_test 3.3.4 { UPDATE OR REPLACE r1 SET b='vi',a='vii' WHERE a='ii' } 1
-do_execsql_test 3.3.5 { 
-  SELECT * FROM r1 ORDER BY a;
-} {i 1   iii v   vii vi}
-
-
-#--------------------------------------------------------------------------
-# EVIDENCE-OF: R-09813-48563 The value returned by sqlite3_changes()
-# immediately after an INSERT, UPDATE or DELETE statement run on a view
-# is always zero.
-#
-reset_db
-do_execsql_test 4.1 {
-  CREATE TABLE log(log);
-  CREATE TABLE t1(x, y);
-  INSERT INTO t1 VALUES(1, 2);
-  INSERT INTO t1 VALUES(3, 4);
-  INSERT INTO t1 VALUES(5, 6);
-
-  CREATE VIEW v1 AS SELECT * FROM t1;
-  CREATE TRIGGER v1_i INSTEAD OF INSERT ON v1 BEGIN
-    INSERT INTO log VALUES('insert');
-  END;
-  CREATE TRIGGER v1_u INSTEAD OF UPDATE ON v1 BEGIN
-    INSERT INTO log VALUES('update'), ('update');
-  END;
-  CREATE TRIGGER v1_d INSTEAD OF DELETE ON v1 BEGIN
-    INSERT INTO log VALUES('delete'), ('delete'), ('delete');
-  END;
-}
-
-do_changes_test 4.2.1 { INSERT INTO t1 SELECT * FROM t1 }  3
-do_changes_test 4.2.2 { INSERT INTO v1 VALUES(1, 2) }      0
-
-do_changes_test 4.3.1 { INSERT INTO t1 SELECT * FROM t1 }  6
-do_changes_test 4.3.2 { UPDATE v1 SET y='xyz' WHERE x=1 }  0
-
-do_changes_test 4.4.1 { INSERT INTO t1 SELECT * FROM t1 } 12
-do_changes_test 4.4.2 { DELETE FROM v1 WHERE x=5 }         0
-
-
-#--------------------------------------------------------------------------
-# EVIDENCE-OF: R-32918-61474 Before entering a trigger program the value
-# returned by sqlite3_changes() function is saved. After the trigger
-# program has finished, the original value is restored.
-#
-reset_db
-db func my_changes my_changes
-set ::changes [list]
-proc my_changes {x} {
-  set res [db changes]
-  lappend ::changes $x $res
-  return $res
-}
-
-do_execsql_test 5.1.0 {
-  CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
-  CREATE TABLE t2(x);
-  INSERT INTO t1 VALUES(1, NULL);
-  INSERT INTO t1 VALUES(2, NULL);
-  INSERT INTO t1 VALUES(3, NULL);
-  CREATE TRIGGER AFTER UPDATE ON t1 BEGIN
-    INSERT INTO t2 VALUES('a'), ('b'), ('c');
-    SELECT my_changes('trigger');
-  END;
-}
-
-do_execsql_test 5.1.1 {
-  INSERT INTO t2 VALUES('a'), ('b');
-  UPDATE t1 SET b = my_changes('update');
-  SELECT * FROM t1;
-} {1 2 2 2 3 2}
-
-# Value is being restored to "2" when the trigger program exits.
-do_test 5.1.2 {
-  set ::changes
-} {update 2 trigger 3 update 2 trigger 3 update 2 trigger 3}
-
-
-reset_db
-do_execsql_test 5.2.0 {
-  CREATE TABLE t1(a, b);
-  CREATE TABLE log(x);
-  INSERT INTO t1 VALUES(1, 0);
-  INSERT INTO t1 VALUES(2, 0);
-  INSERT INTO t1 VALUES(3, 0);
-  CREATE TRIGGER t1_a_u AFTER UPDATE ON t1 BEGIN
-    INSERT INTO log VALUES(old.b || ' -> ' || new.b || ' c = ' || changes() );
-  END;
-  CREATE TABLE t2(a);
-  INSERT INTO t2 VALUES(1), (2), (3);
-  UPDATE t1 SET b = changes();
-}
-do_execsql_test 5.2.1 {
-  SELECT * FROM t1;
-} {1 3 2 3 3 3}
-do_execsql_test 5.2.2 {
-  SELECT * FROM log;
-} {{0 -> 3 c = 3} {0 -> 3 c = 3} {0 -> 3 c = 3}}
-
-
-#--------------------------------------------------------------------------
-# EVIDENCE-OF: R-17146-37073 Within a trigger program each INSERT,
-# UPDATE and DELETE statement sets the value returned by
-# sqlite3_changes() upon completion as normal. Of course, this value
-# will not include any changes performed by sub-triggers, as the
-# sqlite3_changes() value will be saved and restored after each
-# sub-trigger has run.
-reset_db
-do_execsql_test 6.0 {
-
-  CREATE TABLE t1(a, b);
-  CREATE TABLE t2(a, b);
-  CREATE TABLE t3(a, b);
-  CREATE TABLE log(x);
-
-  CREATE TRIGGER t1_i BEFORE INSERT ON t1 BEGIN
-    INSERT INTO t2 VALUES(new.a, new.b), (new.a, new.b);
-    INSERT INTO log VALUES('t2->' || changes());
-  END;
-
-  CREATE TRIGGER t2_i AFTER INSERT ON t2 BEGIN
-    INSERT INTO t3 VALUES(new.a, new.b), (new.a, new.b), (new.a, new.b);
-    INSERT INTO log VALUES('t3->' || changes());
-  END;
-
-  CREATE TRIGGER t1_u AFTER UPDATE ON t1 BEGIN
-    UPDATE t2 SET b=new.b WHERE a=old.a;
-    INSERT INTO log VALUES('t2->' || changes());
-  END;
-
-  CREATE TRIGGER t2_u BEFORE UPDATE ON t2 BEGIN
-    UPDATE t3 SET b=new.b WHERE a=old.a;
-    INSERT INTO log VALUES('t3->' || changes());
-  END;
-
-  CREATE TRIGGER t1_d AFTER DELETE ON t1 BEGIN
-    DELETE FROM t2 WHERE a=old.a AND b=old.b;
-    INSERT INTO log VALUES('t2->' || changes());
-  END;
-
-  CREATE TRIGGER t2_d BEFORE DELETE ON t2 BEGIN
-    DELETE FROM t3 WHERE a=old.a AND b=old.b;
-    INSERT INTO log VALUES('t3->' || changes());
-  END;
-}
-
-do_changes_test 6.1 {
-  INSERT INTO t1 VALUES('+', 'o');
-  SELECT * FROM log;
-} {t3->3 t3->3 t2->2 1}
-
-do_changes_test 6.2 {
-  DELETE FROM log;
-  UPDATE t1 SET b='*';
-  SELECT * FROM log;
-} {t3->6 t3->6 t2->2 1}
-
-do_changes_test 6.3 {
-  DELETE FROM log;
-  DELETE FROM t1;
-  SELECT * FROM log;
-} {t3->6 t3->0 t2->2 1}
-
-
-#--------------------------------------------------------------------------
-# EVIDENCE-OF: R-43399-09409 This means that if the changes() SQL
-# function (or similar) is used by the first INSERT, UPDATE or DELETE
-# statement within a trigger, it returns the value as set when the
-# calling statement began executing.
-#
-# EVIDENCE-OF: R-53215-27584 If it is used by the second or subsequent
-# such statement within a trigger program, the value returned reflects
-# the number of rows modified by the previous INSERT, UPDATE or DELETE
-# statement within the same trigger.
-#
-reset_db
-do_execsql_test 7.1 {
-  CREATE TABLE q1(t);
-  CREATE TABLE q2(u, v);
-  CREATE TABLE q3(w);
-
-  CREATE TRIGGER q2_insert BEFORE INSERT ON q2 BEGIN
-
-    /* changes() returns value from previous I/U/D in callers context */
-    INSERT INTO q1 VALUES('1:' || changes());
-
-    /* changes() returns value of previous I/U/D in this context */
-    INSERT INTO q3 VALUES(changes()), (2), (3);
-    INSERT INTO q1 VALUES('2:' || changes());
-    INSERT INTO q3 VALUES(changes() + 3), (changes()+4);
-    SELECT 'this does not affect things!';
-    INSERT INTO q1 VALUES('3:' || changes());
-    UPDATE q3 SET w = w+10 WHERE w%2;
-    INSERT INTO q1 VALUES('4:' || changes());
-    DELETE FROM q3;
-    INSERT INTO q1 VALUES('5:' || changes());
-  END;
-}
-
-do_execsql_test 7.2 {
-  INSERT INTO q2 VALUES('x', 'y');
-  SELECT * FROM q1;
-} {
-  1:0   2:3   3:2   4:3   5:5
-}
-
-do_execsql_test 7.3 {
-  DELETE FROM q1;
-  INSERT INTO q2 VALUES('x', 'y');
-  SELECT * FROM q1;
-} {
-  1:5   2:3   3:2   4:3   5:5
-}
-
-
-
-finish_test