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sqlite3

# 2009 December 16
#
# 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 to verify that ticket [31338dca7e] has been
# fixed.  Ticket [31338dca7e] demonstrates problems with the OR-clause
# optimization in joins where the WHERE clause is of the form
#
#     (x AND y) OR z
#
# And the x and y subterms from from different tables of the join.
#

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

do_test tkt-31338-1.1 {
  db eval {
    CREATE TABLE t1(x);
    CREATE TABLE t2(y);
    INSERT INTO t1 VALUES(111);
    INSERT INTO t1 VALUES(222);
    INSERT INTO t2 VALUES(333);
    INSERT INTO t2 VALUES(444);
    SELECT * FROM t1, t2
     WHERE (x=111 AND y!=444) OR x=222
     ORDER BY x, y;
  }
} {111 333 222 333 222 444}

do_test tkt-31338-1.2 {
  db eval {
    CREATE INDEX t1x ON t1(x);
    SELECT * FROM t1, t2
     WHERE (x=111 AND y!=444) OR x=222
     ORDER BY x, y;
  }
} {111 333 222 333 222 444}

do_test tkt-31338-2.1 {
  db eval {
    CREATE TABLE t3(v,w);
    CREATE TABLE t4(x,y);
    CREATE TABLE t5(z);
    INSERT INTO t3 VALUES(111,222);
    INSERT INTO t3 VALUES(333,444);
    INSERT INTO t4 VALUES(222,333);
    INSERT INTO t4 VALUES(444,555);
    INSERT INTO t5 VALUES(888);
    INSERT INTO t5 VALUES(999);
    
    SELECT * FROM t3, t4, t5
     WHERE (v=111 AND x=w AND z!=999) OR (v=333 AND x=444)
     ORDER BY v, w, x, y, z;
  }
} {111 222 222 333 888 333 444 444 555 888 333 444 444 555 999}

do_test tkt-31338-2.2 {
  db eval {
   CREATE INDEX t3v ON t3(v);
   CREATE INDEX t4x ON t4(x);
    SELECT * FROM t3, t4, t5
     WHERE (v=111 AND x=w AND z!=999) OR (v=333 AND x=444)
     ORDER BY v, w, x, y, z;
  }
} {111 222 222 333 888 333 444 444 555 888 333 444 444 555 999}


# Ticket [2c2de252666662f5459904fc33a9f2956cbff23c]
#
do_test tkt-31338-3.1 {
  foreach x [db eval {SELECT name FROM sqlite_master WHERE type='table'}] {
     db eval "DROP TABLE $x"
  }
  db eval {
    CREATE TABLE t1(a,b,c,d);
    CREATE TABLE t2(e,f);
    INSERT INTO t1 VALUES(1,2,3,4);
    INSERT INTO t2 VALUES(10,-8);
    CREATE INDEX t1a ON t1(a);
    CREATE INDEX t1b ON t1(b);
    CREATE TABLE t3(g);
    INSERT INTO t3 VALUES(4);
    CREATE TABLE t4(h);
    INSERT INTO t4 VALUES(5);
    
    SELECT * FROM t3 LEFT JOIN t1 ON d=g LEFT JOIN t4 ON c=h
     WHERE (a=1 AND h=4)
         OR (b IN (
               SELECT x FROM (SELECT e+f AS x, e FROM t2 ORDER BY 1 LIMIT 2)
               GROUP BY e
            ));
  }    
} {4 1 2 3 4 {}}
do_test tkt-31338-3.2 {
  db eval {    
    SELECT * FROM t3 LEFT JOIN t1 ON d=g LEFT JOIN t4 ON c=h
     WHERE (a=1 AND h=4)
         OR (b=2 AND b NOT IN (
               SELECT x+1 FROM (SELECT e+f AS x, e FROM t2 ORDER BY 1 LIMIT 2)
               GROUP BY e
            ));
  }    
} {4 1 2 3 4 {}}
do_test tkt-31338-3.3 {
  db eval {    
    SELECT * FROM t3 LEFT JOIN t1 ON d=g LEFT JOIN t4 ON c=h
     WHERE (+a=1 AND h=4)
         OR (b IN (
               SELECT x FROM (SELECT e+f AS x, e FROM t2 ORDER BY 1 LIMIT 2)
               GROUP BY e
            ));
  }    
} {4 1 2 3 4 {}}
do_test tkt-31338-3.4 {
  db eval {    
    SELECT * FROM t3 LEFT JOIN t1 ON d=g LEFT JOIN t4 ON c=h
     WHERE (a=1 AND h=4)
         OR (+b IN (
               SELECT x FROM (SELECT e+f AS x, e FROM t2 ORDER BY 1 LIMIT 2)
               GROUP BY e
            ));
  }    
} {4 1 2 3 4 {}}

do_test tkt-31338-3.5 {
  db eval {
    CREATE TABLE t5(a,b,c,d,e,f);
    CREATE TABLE t6(g,h);
    CREATE TRIGGER t6r AFTER INSERT ON t6 BEGIN
      INSERT INTO t5    
        SELECT * FROM t3 LEFT JOIN t1 ON d=g LEFT JOIN t4 ON c=h
         WHERE (a=1 AND h=4)
            OR (b IN (
               SELECT x FROM (SELECT e+f AS x, e FROM t2 ORDER BY 1 LIMIT 2)
               GROUP BY e
            ));
    END;
    INSERT INTO t6 VALUES(88,99);
    SELECT * FROM t5;
  }    
} {4 1 2 3 4 {}}

do_test tkt-31338-3.6 {
  db eval {    
    INSERT INTO t1 VALUES(2,4,3,4);
    INSERT INTO t1 VALUES(99,101,3,4);
    INSERT INTO t1 VALUES(98,97,3,4);
    SELECT * FROM t3 LEFT JOIN t1 ON d=g LEFT JOIN t4 ON c=h
     WHERE (a=1 AND h=4)
         OR (b IN (
               SELECT x+a FROM (SELECT e+f AS x, e FROM t2 ORDER BY 1 LIMIT 2)
               GROUP BY e
            ));
  }    
} {4 2 4 3 4 {} 4 99 101 3 4 {}}

do_test tkt-31338-3.7 {
  db eval {
    SELECT * FROM t3 LEFT JOIN t1 ON d=g LEFT JOIN t4 ON c=h
     WHERE (a=1 AND h=4)
         OR (b IN (
               SELECT x FROM (SELECT e+f+a AS x, e FROM t2 ORDER BY 1 LIMIT 2)
               GROUP BY e
            ));
  }    
} {4 2 4 3 4 {} 4 99 101 3 4 {}}


finish_test